Author SHA1 Message Date
YikaiFu-cart 3f88b1ccca fix: 更新规范化逆运动学实验产物 2026-08-24 18:12:29 +08:00
YikaiFu-cart f30aac547b fix: 规范化实验产物行尾 2026-08-24 18:10:40 +08:00
YikaiFu-cart 8e14246346 docs: 生成逆运动学对比实验结果 2026-08-24 18:09:17 +08:00
YikaiFu-cart d7ff769109 feat: 添加逆运动学对比实验入口 2026-08-24 18:07:22 +08:00
YikaiFu-cart 6df791b00f feat: 生成逆运动学论文对比图 2026-08-24 17:55:44 +08:00
YikaiFu-cart b0f4fafd54 feat: 汇总逆运动学对比结果 2026-08-24 17:52:01 +08:00
YikaiFu-cart 398a50b0b3 feat: 添加三种逆运动学离线复放 2026-08-24 17:50:23 +08:00
YikaiFu-cart fbd170c0be feat: 添加逆运动学对比指标 2026-08-24 17:46:01 +08:00
YikaiFu-cart d1d5c8bcb8 feat: 读取番茄采摘目标轨迹 2026-08-24 17:44:58 +08:00
YikaiFu-cart 08586107dd feat: 添加逆运动学轨迹重采样 2026-08-24 17:43:47 +08:00
YikaiFu-cart 5785e73edb docs: 添加逆运动学对比实验方案 2026-08-24 17:40:56 +08:00
YikaiFu-cart 7a5c27d6b9 feat: 优化双臂采摘QP稳健性 2026-08-13 10:23:35 +08:00
YikaiFu-cart 807374c9fd chore: 忽略本地工作树 2026-08-12 22:57:04 +08:00
YikaiFu-cart a196cec750 docs: 添加J3仿真标定方案 2026-08-12 22:56:48 +08:00
YikaiFu-cart f173e37f35 更新README.md 2026-08-11 12:48:14 +08:00
YikaiFu-cart 43699a81f1 fix: 修复mujoco仿真里左臂剪刀安装位置与实际位置不同 2026-08-04 20:53:26 +08:00
YikaiFu-cart 5a6ec47e6c fix: 更新 README 和配置文件,调整模式和工具设置 2026-08-04 18:11:19 +08:00
YikaiFu-cart b24165640d fix: 阻止重复遥操作节点继续运行 2026-08-04 14:36:16 +08:00
YikaiFu-cart 1fefae34e5 fix: 完善 MuJoCo 退出与测试环境 2026-08-04 13:58:35 +08:00
YikaiFu-cart 9c47c94c79 docs: 补充双臂 MuJoCo 使用说明 2026-08-04 13:46:54 +08:00
YikaiFu-cart 0dfe3d77dc fix: 安全关闭 MuJoCo 显示窗口 2026-08-04 13:46:31 +08:00
YikaiFu-cart 002484b610 feat: 接入双臂 MuJoCo 启动模式 2026-08-04 13:37:31 +08:00
YikaiFu-cart 826b929d97 feat: 添加双臂 MuJoCo 显示节点 2026-08-04 13:36:39 +08:00
YikaiFu-cart f5790a8c77 feat: 支持 MuJoCo 双臂即时复位 2026-08-04 13:34:27 +08:00
YikaiFu-cart c1bc56fe09 test: 补充关节状态发布夹具 2026-08-04 13:33:06 +08:00
YikaiFu-cart 9a00898be3 feat: 发布双臂关节状态与目标 2026-08-04 13:31:52 +08:00
YikaiFu-cart 631e3ee11c feat: 添加双臂 MuJoCo 运动学模型 2026-08-04 13:30:20 +08:00
YikaiFu-cart 1df09fef63 docs: 添加双臂 MuJoCo 设计与计划 2026-08-04 11:42:07 +08:00
YikaiFu-cart 36f82fe2db docs: 更新双 RM75 逆解说明 2026-08-03 16:53:26 +08:00
YikaiFu-cart 56baabae7a feat: 接入双 RM75 逆解模型 2026-08-03 16:33:57 +08:00
YikaiFu-cart 451de103b8 feat: 使用双 RM75 局部相对逆解 2026-08-03 16:08:07 +08:00
YikaiFu-cart 99cb45ef6d test: 强化双臂逆解测试边界 2026-08-03 16:00:33 +08:00
YikaiFu-cart a9c605c804 test: 修正双臂 offset 断言 2026-08-03 15:52:35 +08:00
YikaiFu-cart 2d197a8928 test: 添加双 RM75 逆解回归 2026-08-03 15:49:58 +08:00
YikaiFu-cart 7edc28b44a config: 同步双臂 TCP 与前方工作空间 2026-08-03 15:37:59 +08:00
YikaiFu-cart 700d709fb1 docs: 添加双 RM75 逆解设计与计划 2026-08-03 14:24:09 +08:00
YikaiFu-cart ba068b19a1 Add scissor mesh files for dual_rm75 model 2026-08-03 09:55:26 +08:00
YikaiFu-cart 75eff40fa2 config:修改机械臂yaml文件 2026-07-31 16:20:59 +08:00
YikaiFu-cart 21c444dcc8 config: 更新左右臂初始位姿 2026-07-31 15:32:06 +08:00
YikaiFu-cart 4e068ce637 feat: 添加手柄主键回初始位姿 2026-07-31 15:31:35 +08:00
YikaiFu-cart 5267da14c2 feat: 复用适配器初始位姿运动 2026-07-31 15:30:20 +08:00
YikaiFu-cart 3981c380ea docs: 修正遥操作测试命令 2026-07-31 15:29:22 +08:00
YikaiFu-cart 80e823c097 docs: 添加手柄主键回位实施计划 2026-07-31 15:24:59 +08:00
YikaiFu-cart b7eab7cc76 docs: 补充左右臂初始位姿 2026-07-31 15:18:47 +08:00
YikaiFu-cart cf559f6d25 docs: 添加手柄主键回位设计 2026-07-31 15:08:15 +08:00
69 changed files with 32846 additions and 732 deletions
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# Built Visual Studio Code Extensions
*.vsix
.codex
.codex
.worktrees/
+1
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除非用户明确要求,否则不要自动提交、推送或修改远程仓库。
使用 Superpowers 执行任务时,只允许按相关 skill 工作流创建本地 Git 提交;
同一项变更生成的规格文档与实施计划必须合并为一次本地提交,不得分别提交。
禁止执行 `git push`、合并本地分支、合并 PR 或其他远程写操作。相关 skill
如需独立 worktree 或配套本地分支,可以创建,但不得将其合并到其他分支。
其他情况下,除非用户明确要求,不要自动创建分支。
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# XR-RM75 双臂遥操作工作空间
# XR-RM75 双臂遥操作
本仓库是面向 **Ubuntu 22.04 + ROS2 Humble + PICO 4 Ultra + 睿尔曼 RM75**阶段一 XR 双臂遥操作项目。当前目标是先跑通一条低速、安全、可调试的闭环:
基于 **Ubuntu 22.04ROS2 HumblePICO 4 Ultra 睿尔曼 RM75**双臂 XR 遥操作
工作空间,支持单臂/双臂 Mock 与真机控制,以及 MuJoCo 运动学显示。
> [!WARNING]
> 真机命令会连接并控制机械臂。首次运行必须从 Mock 和单臂低速验证开始,确保急停
> 可用且工作区无人。当前项目没有双臂碰撞检测或避障。
## 当前能力
- PICO/XR 双手柄 UDP 输入,相对位姿目标与 Placo QP 七关节控制。
- 单臂/双臂 Mock 与真机、手柄/话题夹爪控制,以及只读 MuJoCo 双臂显示。
- 工作空间/圆柱限位、速度限制、指令超时和安全慢停。
- 统一 launch、Tkinter 启动面板、调试话题和 Mock 输入工具。
尚未完成:D405/D435 视频流、数据记录、相机标定、目标检测、双臂碰撞避障、任务级状态机,以及 PICO 与 ROS 的完整时间同步和状态回传。
## 系统架构
```text
PICO/XR 双手柄 UDP JSON
PICO / XRoboToolkit
-> UDP JSON
-> xr_rm_input/udp_controller_receiver
-> /xr/left_controller/xr/right_controller
-> /xr/left_controller/xr/right_controller
-> xr_rm_teleop/single_arm_velocity_teleop
-> Placo QP 单步逆解
-> 左右 RM75 七关节角透传控制
-> /xr_rm/<arm_name>/current_pose、raw_target_pose、target_pose、cmd_vel、target_clamped 调试话题
-> 相对 TCP 目标 + Placo QP
-> Mock 或 RM75 rm_movej_canfd
-> joint_states / 调试话题
-> 可选 xr_rm_mujoco/dual_arm_simulator
```
当前控制方式是“手柄相对位姿 + 单步 QP”遥操作:按住 `grip` 时锁定当前手柄位姿和机械臂 TCP 位姿,之后根据手柄相对位移和相对旋转生成目标 TCP。姿态目标使用旋转矩阵和 SO(3) 最短路径完成死区、滤波与限速,不经过 RPY。每个控制周期执行一次 Placo QP,并通过 `rm_movej_canfd` 下发 7 个关节目标。松开 `grip`、UDP 或关节反馈超时、节点退出时会请求机械臂慢停。
工作空间包含五个 ROS2 包:`xr_rm_input` 负责手柄输入,`xr_rm_interfaces` 定义消息,
`xr_rm_teleop` 实现遥操作与真机适配,`xr_rm_bringup` 提供启动和配置,
`xr_rm_mujoco` 负责只读运动学显示。
## 当前范围
`single_arm_velocity_teleop` 每个实例只控制一台机械臂;双臂模式分别启动 `left_arm_teleop``right_arm_teleop`
已完成:
## 环境与构建
- PICO/XR 手柄 UDP 数据接收,并分发到左右手柄 ROS2 话题。
- 通过统一的 `arm_debug.launch.py` 支持左臂、右臂、双臂的 mock 调试和真机调试。
- RM75 真机连接适配,包含关节反馈缓存、`rm_movej_canfd` 关节透传、安全速度/加速度配置、可选初始化点位移动。
- Placo 0.9.4 RM75 QP 逆解;收到首帧有效关节反馈后才启用,求解失败时保留上一组有效关节目标。
- 真机模式下,点击对应手柄 `trigger` 可切换并保持对应夹爪开/关状态。
- Tkinter 启动面板 `launcher_ui.py`,用于现场快速启动、监控 topic、检查环境和清理进程。
- XRoboToolkit bridge 读取左右手柄 pose、Grip、Trigger、摇杆和主副按键。
暂未完成:
- D405/D435 视频流、数据记录、相机标定和目标检测链路。
- 双臂碰撞模型、任务级状态机、自动采摘策略。
- PICO 端与 ROS 端的完整时间同步和状态回传。
## 项目结构
```text
src/
├── README.md # 项目主文档
├── AGENTS.md # Codex 项目工作流和安全规则
├── docs/superpowers/ # Superpowers 设计与实施计划
├── xr_rm_bringup/
│ ├── config/
│ │ ├── dual_arm_rm75.yaml # 双臂配置:left_arm_teleop 与 right_arm_teleop
│ │ ├── left_arm_rm75.yaml # 左臂单独调试配置
│ │ ├── right_arm_rm75.yaml # 右臂单独调试配置
│ │ └── peripherals_rm75.yaml # 左右臂末端外设配置
│ ├── launch/
│ │ └── arm_debug.launch.py # 统一入口:arm:=left/right/both, use_mock:=true/false
│ └── tools/
│ ├── launcher_ui.py # 图形化调试启动面板
│ └── realman_dual_arm_state_monitor.py
├── xr_rm_input/
│ ├── launch/
│ │ └── udp_receiver.launch.py # 低层 UDP 接收测试入口
│ ├── test/
│ │ └── test_controller_fields.py
│ └── xr_rm_input/
│ ├── udp_controller_receiver.py
│ ├── xrobotoolkit_to_udp_bridge.py
│ └── sample_udp_sender.py # 本机扫轴/正弦模拟手柄 UDP 数据
├── xr_rm_interfaces/
│ └── msg/
│ └── XrController.msg # 手柄状态与位姿
└── xr_rm_teleop/
├── models/
│ ├── rm75/ # 旧 RM75 模型资源(launch 不再选用)
│ └── rm75_omnipicker/ # RM75 + OmniPicker fixed URDF 与网格
└── xr_rm_teleop/
├── placo_ik_solver.py # Placo 0.9.4 单步 QP 逆解
├── single_arm_velocity_teleop.py
├── realman_adapter.py
└── fun_peripheral.py
```
`single_arm_velocity_teleop` 这个名字保留是有意的:双臂模式不是一个大节点直接控制两台机械臂,而是启动两个相同的单臂控制节点,分别命名为 `left_arm_teleop``right_arm_teleop`
## Superpowers Git 约束
使用 Superpowers 执行任务时,只允许按 skill 工作流创建本地 Git 提交。
禁止执行 `git push`、合并本地分支、合并 PR 或其他远程写操作。skill 如需
独立 worktree 或配套本地分支,可以创建,但不得将其合并到其他分支。
## 环境准备
在工作空间根目录,也就是包含 `src/` 的目录执行:
在工作空间根目录执行:
```bash
cd /home/robot/WS_xr
@@ -94,393 +49,125 @@ colcon build --symlink-install
source install/setup.bash
```
真机模式还需要安装睿尔曼 Python API2。若未安装,mock 模式仍可正常使用;真机启动时会提示缺少 `Robotic_Arm` 包。
遥操作和 MuJoCo 节点固定使用 `/home/robot/miniconda3/envs/xr/bin/python`
其中固定 Placo 0.9.4、Pinocchio 3.7.0、NumPy 2.2.6 和 MuJoCo 3.10.0;不要从
用户或系统 Python 覆盖这些版本。
遥操作节点固定由 `/home/robot/miniconda3/envs/xr/bin/python` 启动,并复用其中的 Python 3.10、Placo 0.9.4、Pinocchio 3.7.0 和 NumPy 2.2.6。`ros2``colcon``udp_controller_receiver` 仍使用系统 Python。禁止通过 `pip --user``sudo pip` 或系统安装升级 Placo、Pinocchio、EigenPy 和 NumPy
真机模式另需睿尔曼 Python API2Mock 模式不依赖厂商 SDK
只读检查 Placo 版本:
## 快速开始
以下命令均在 `/home/robot/WS_xr` 执行,并先 source ROS2 与 `install/setup.bash`
### Mock
```bash
/home/robot/miniconda3/envs/xr/bin/python -c \
"import importlib.metadata; print(importlib.metadata.version('placo'))"
ros2 launch xr_rm_bringup arm_debug.launch.py arm:=both use_mock:=true
```
输出必须为 `0.9.4`
如果希望 `launcher_ui.py` 从任意目录找到工作空间,可以设置:
另开终端发送模拟手柄数据:
```bash
export XR_RM_WS=/home/robot/WS_xr
```
## 使用 launcher_ui.py 调试
推荐现场调试优先使用图形化启动面板。它会自动进入工作空间、source ROS2 与 `install/setup.bash`,并把每个命令放到独立终端中运行。
源码方式启动:
```bash
cd /home/robot/WS_xr
python3 src/xr_rm_bringup/tools/launcher_ui.py
```
构建后也可以通过 ROS2 入口启动:
```bash
source /opt/ros/humble/setup.bash
source install/setup.bash
ros2 run xr_rm_bringup launcher_ui
```
面板顶部的 `Mode` 分为五类:
- `Simulation`:左臂 mock、右臂 mock、双臂 mock、sample UDP 发送、one-click mock demo、controller 位置/频率监控。
- `Left Arm`:左臂网络 ping、左臂真机 launch、左手 sample UDP。
- `Right Arm`:右臂网络 ping、右臂真机 launch、右手 sample UDP。
- `Dual Arm`:左右臂 ping、双臂真机 launch、双手 sample UDP。
- `Diagnostics``ros2 doctor --report` 和核心包的 `ros2 pkg prefix` 检查。
常用按钮:
- `Run Selected`:运行当前选中的命令。双击列表项也可以运行。
- `Check Env`:检查 ROS2 Humble、工作空间 build、终端、核心 ROS 包、睿尔曼 API2。
- `Stop All`:结束由本工作空间启动的 launch、sample sender、topic monitor、相关 ROS 节点和终端窗口。
每个模式都会附带基础监控入口:
- `Open Controller Topic Monitor`:同时查看 `/xr/left_controller``/xr/right_controller`
- `Open Target Velocity Monitor`:同时查看 `/xr_rm/left_rm75/cmd_vel``/xr_rm/right_rm75/cmd_vel`;该话题表示目标位姿变化率,仅用于调试。
- `Open ROS Topic/Node List Monitor`:每秒刷新 `ros2 topic list``ros2 node list`
`Simulation` 模式还提供 `Open Controller Position Monitor``Open Controller Hz Monitor`,用于快速看手柄位置字段和接收频率。
分屏监控依赖 `x-terminal-emulator` 指向 Terminator。若提示不支持,可安装并切换:
```bash
sudo apt install terminator wmctrl xdotool
sudo update-alternatives --config x-terminal-emulator
```
## 推荐调试顺序
第一步:检查环境。
打开 `launcher_ui.py`,点击 `Check Env`。如果 `install/setup.bash` 缺失,先回工作空间根目录重新执行 `colcon build --symlink-install`
第二步:分别跑左、右臂 mock 闭环。
分两个终端依次验证左臂:
```bash
ros2 launch xr_rm_bringup arm_debug.launch.py arm:=left use_mock:=true
ros2 run xr_rm_input sample_udp_sender --hand left --host 127.0.0.1 --port 15000 \
ros2 run xr_rm_input sample_udp_sender \
--hand both --host 127.0.0.1 --port 15000 \
--pattern axis_sweep --seconds 30
```
停止左臂进程后,再分别验证右臂:
单臂调试时将 `arm` 改为 `left``right`。推荐先分别完成左右单臂
Mock,再进入双臂或真机验证。
### MuJoCo
```bash
ros2 launch xr_rm_bringup arm_debug.launch.py arm:=right use_mock:=true
ros2 run xr_rm_input sample_udp_sender --hand right --host 127.0.0.1 --port 15000 \
--pattern axis_sweep --seconds 30
ros2 launch xr_rm_bringup arm_debug.launch.py \
arm:=both use_mock:=true use_mujoco:=true
```
`sample_udp_sender` 默认使用 `axis_sweep` 扫轴轨迹,并在终端打印 `XR +X/-X/+Y/-Y/+Z/-Z` 标签。需要检查末端姿态时可增加 `--rotation-pattern rpy_steps --rotation-amplitude-deg 25`
MuJoCo 只订阅关节状态,不参与控制。真机显示可将 `use_mock` 改为 `false`
但该命令会同时连接两台 RM75。
观察:
### PICO 输入
只保留一个 UDP 输入源,然后启动 XRoboToolkit bridge
```bash
ros2 topic echo /xr/left_controller
ros2 topic echo /xr/right_controller
ros2 topic echo /xr_rm/left_rm75/target_pose
ros2 topic echo /xr_rm/right_rm75/target_pose
ros2 topic echo /xr_rm/left_rm75/cmd_vel
ros2 topic echo /xr_rm/right_rm75/cmd_vel
ros2 run xr_rm_input xrobotoolkit_to_udp_bridge \
--host 127.0.0.1 --port 15000 --hz 90
```
第三步:单臂真机。
确认左右 topic 持续接收数据:
先只上一个臂,确认网络、方向、急停和限幅:
```bash
ros2 topic hz /xr/left_controller
ros2 topic hz /xr/right_controller
```
图形启动面板可运行 `python3 src/xr_rm_bringup/tools/launcher_ui.py`,提供
Simulation、MuJoCo、Real Hardware 和 Diagnostics 模式。
### 真机
确认对应 YAML 中 `move_to_initial_pose_on_connect: false`,再从单臂开始:
```bash
ros2 launch xr_rm_bringup arm_debug.launch.py arm:=left use_mock:=false
ros2 launch xr_rm_bringup arm_debug.launch.py arm:=right use_mock:=false
```
所有 YAML 默认都不会执行 `movej(initial_joint_pose)`。只有确认安全区清空后,才可在当前使用的
`left_arm_rm75.yaml``right_arm_rm75.yaml``dual_arm_rm75.yaml` 中将
`move_to_initial_pose_on_connect` 改为 `true`
第四步:双臂真机。
单臂方向、限位、急停、超时停止和夹爪均验证后,才能启动双臂:
```bash
ros2 launch xr_rm_bringup arm_debug.launch.py arm:=both use_mock:=false
```
双臂默认不会自动移动到初始化点;机器人地址、控制参数和初始化移动开关均从
`dual_arm_rm75.yaml` 读取
按住 `grip` 控制对应机械臂;松开后停止。点击 `trigger` 切换对应夹爪开/关。
左手 X、右手 A 会请求对应机械臂回到配置的初始位姿;真机使用前必须清空安全区
## Launch 入口说明
## Launch 参数
`arm_debug.launch.py` 是当前唯一的遥操作 launch 主入口,`launcher_ui.py` 中的 mock、单臂真机和双臂真机按钮都调用它。
统一入口为 `xr_rm_bringup/launch/arm_debug.launch.py`
常用参数:
| 参数 | 默认值 | 说明 |
| --- | --- | --- |
| `arm` | `right` | `left``right``both` |
| `use_mock` | `true` | `false` 会连接真机 |
| `use_mujoco` | `false` | 仅支持 `arm:=both` |
| `udp_host` | `0.0.0.0` | UDP 监听地址 |
| `udp_port` | `15000` | UDP 监听端口 |
| `udp_timer_hz` | `200.0` | UDP receiver 轮询频率 |
- `arm``left``right``both`,默认 `right`
- `use_mock``true` 不连接真机,`false` 连接 RM75。
- `udp_host`UDP 监听地址,默认 `0.0.0.0`
- `udp_port`UDP 监听端口,默认 `15000`
- `udp_timer_hz`UDP receiver 轮询频率,默认 `200.0`
## 配置
机器人 IP/端口、控制频率、CANFD、限速、工具和初始化位姿等行为参数只由对应 YAML
配置,launch 不再提供同名覆盖项。
| 文件 | 用途 |
| --- | --- |
| `dual_arm_rm75.yaml` | 双臂节点、网络、控制与安全参数 |
| `left_arm_rm75.yaml` | 左臂单独调试 |
| `right_arm_rm75.yaml` | 右臂单独调试 |
| `peripherals_rm75.yaml` | 工具坐标、负载和末端执行器 |
| `dual_arm_mujoco.yaml` | MuJoCo 刷新频率 |
## 配置文件说明
修改某一侧控制参数时,同时检查单臂和双臂 YAML 是否需要同步。必须保留工作空间/
圆柱限位、线速度与角速度限制、关节速度/加速度限制、指令超时和安全停止逻辑。
`xr_rm_bringup/config/dual_arm_rm75.yaml` 是双臂配置主文件,包含两个 ROS 节点命名空间:
`configure_safety_limits` 不得默认关闭;
`move_to_initial_pose_on_connect` 必须保持默认 `false`
- `left_arm_teleop`
- `right_arm_teleop`
## 测试
`left_arm_rm75.yaml``right_arm_rm75.yaml` 用于 `arm_debug.launch.py arm:=left/right` 的单臂调试,因为单臂节点名是 `single_arm_velocity_teleop`
`xr_rm_bringup/config/peripherals_rm75.yaml` 保存真实控制器使用的末端工具坐标、负载和左右臂外设选择,文件内容保持原状。Placo 使用 `xr_rm_teleop/models/rm75_omnipicker` 中的一体化 fixed URDF,直接控制相对 `omnipicker_base_link` 沿 `+Z` 偏移 `0.16 m``omnipicker_tcp`,不再把外设 YAML 的工具位姿重复转换到 QP。真机连接阶段仍会初始化外设,关节反馈、关节指令、慢停和开合命令复用该单臂节点的同一个 RealMan 连接。
重点控制参数:
- `controller_topic`:订阅的手柄话题。
- `scale`:手柄位移到 TCP 位移的比例。
- `target_filter_alpha` / `target_filter_alpha_fast`:目标 TCP 低通滤波系数,快速移动时自动使用更大的系数。
- `target_filter_fast_threshold_m`:进入快速滤波区间的目标变化阈值。
- `max_linear_speed`:目标位姿单帧步长限制对应的最大线速度。
- `enable_orientation_control`:是否把手柄相对旋转映射到 TCP 姿态。
- `orientation_filter_alpha` / `orientation_deadband_rad`:按 SO(3) 最短旋转角处理的目标 TCP 姿态滤波和死区。
- `max_orientation_speed`:目标 TCP 姿态沿 SO(3) 最短路径的最大角速度,当前为 `0.5 rad/s`
- `workspace_min` / `workspace_max`:笛卡尔工作空间边界。
- `cyl_radius_limit`:基座圆柱半径限制。
- `xr_to_robot_matrix``/xr/*_controller` Project 位移到 RM75 base 坐标的映射矩阵。
- `robot_ip` / `robot_port`RM75 TCP 控制连接地址。
- `realtime_push_host_ip`:连接机械臂 Wi-Fi 后本机实际 IPv4;可用
`ip -4 route get 192.168.192.19` 查看输出中的 `src`,当前为 `192.168.192.148`
- `realtime_push_port`UDP 主动反馈端口;左臂 `8089`、右臂 `8090`,同机双臂不能重复。
- `realtime_push_cycle_ms`:UDP 主动反馈周期,当前为厂商支持的 `5 ms`
- `follow` / `canfd_trajectory_mode``rm_movej_canfd` 的高跟随和轨迹模式参数。
- 当前三份 YAML 默认均使用 `follow: false` 完成安全基线验证;确认关节加速度与反馈稳定后,再单独测试高跟随。
- `initial_joint_pose`:mock 的初始关节反馈,以及显式开启初始化移动时的真机初始关节角。
当前 `/xr/*_controller` 的坐标处理:
- XRoboToolkit bridge 原样转发 SDK 的手柄位置和四元数,不额外转换坐标轴。
- receiver 默认按 `xyzw` 解析四元数,也可通过 `quat_order:=wxyz` 切换。
- 左臂映射:机器人位移增量 = `[-手柄y, 手柄z, -手柄x]`
- 右臂映射:机器人位移增量 = `[手柄y, 手柄z, 手柄x]`
如果某个机械臂方向相反,只改对应臂的 `xr_to_robot_matrix` 符号,不要同时改多个控制参数。
## 末端工具开合
真机 launch 默认会在遥操作节点内启用工具控制。左/右手柄 `trigger` 从低于阈值按到 `>= 0.95` 时,会切换一次对应夹爪开/关状态,并保持到下一次点击。`grip` 仍只控制机械臂运动,不影响夹爪 trigger 切换。
也可以用 Bool 话题手动控制开合,`true` 表示打开,`false` 表示闭合:
在工作空间根目录执行:
```bash
ros2 topic pub --once /xr_rm/left_rm75/tool_enable std_msgs/msg/Bool "{data: true}"
ros2 topic pub --once /xr_rm/left_rm75/tool_enable std_msgs/msg/Bool "{data: false}"
ros2 topic pub --once /xr_rm/right_rm75/tool_enable std_msgs/msg/Bool "{data: true}"
ros2 topic pub --once /xr_rm/right_rm75/tool_enable std_msgs/msg/Bool "{data: false}"
```
桌面 UI 的 `Left Arm``Right Arm` 模式里也有对应的 Tool Open/Close 命令项;`Dual Arm` 真机模式下可直接通过左右手柄 `trigger` 分别切换夹爪。
## UDP 数据格式
当前 XRoboToolkit bridge 每个周期发送一个双手柄 JSON 包:
```json
{
"t": 12.345,
"source_time": 12.345,
"seq": 42,
"frame_id": "xr_world",
"controllers": {
"left": {
"hand": "left",
"grip": true,
"trigger": 0.0,
"axis": [0.2, -0.4],
"buttons": {
"primary": true,
"secondary": false
},
"pos": [-0.12, 1.05, 0.30],
"quat": [0.0, 0.0, 0.0, 1.0],
"pose_valid": true,
"pose_source": "xrobotoolkit"
},
"right": {
"hand": "right",
"grip": true,
"trigger": 1.0,
"axis": [-0.1, 0.3],
"buttons": {
"primary": false,
"secondary": true
},
"pos": [0.12, 1.05, 0.30],
"quat": [0.0, 0.0, 0.0, 1.0],
"pose_valid": true,
"pose_source": "xrobotoolkit"
}
}
}
```
字段说明:
- `t` / `source_time`:bridge 的 PC 单调时间,用于诊断发送周期。
- `seq`bridge 递增的 UDP 包序号,bridge 重启后重新计数。
- `frame_id`:默认 `xr_world`,会写入 `XrController.header.frame_id`
- `grip`:运动使能。`true` 时进入相对位姿控制,`false` 时停止。
- `trigger`:经过 bridge 滞回处理的 `0.0/1.0` 值;上升沿切换对应夹爪状态。
- `axis`:摇杆 `[x, y]`,每个分量限制在 `-1.0``1.0`
- `buttons.primary`:左手 X 键或右手 A 键。
- `buttons.secondary`:左手 Y 键或右手 B 键。
- `pos`:手柄位置,长度 3。
- `quat`:手柄姿态四元数,默认按 `xyzw` 解析。
- `pose_valid`:姿态是否可信;`false` 时接收端强制 `grip=false`
- `pose_source`:当前 bridge 使用 `xrobotoolkit`
`axis``buttons.primary``buttons.secondary` 会进入 `XrController`;旧 UDP
包缺少这些字段时分别回退为 `[0,0]``false``false`
接收端发布的消息格式为:
```text
std_msgs/Header header
string hand
bool grip
float32 trigger
bool primary
bool secondary
float32[2] axis
geometry_msgs/Pose pose
```
`udp_controller_receiver` 仍兼容调试用的单手柄包:可以直接发送带 `hand``pos`
`quat` 的 JSON object,也可以用 `controllers` list、顶层 `left/right`
`pose.position``position``p``q` 等常见字段。
## 官方 XRoboToolkit bridge
如果使用官方 XRoboToolkit APK 和 PC-Service,可以用 `xrobotoolkit_to_udp_bridge` 从本机 ROS Python 环境中的 `xrobotoolkit_sdk` 读取左右手柄数据,再转换成当前 `udp_controller_receiver` 支持的 UDP JSON。
正式运行时不要同时启动官方 `PXREAClientUnity` / `RobotLinuxDemo` 可视化窗口。`/opt/apps/roboticsservice/run3D.sh` 会启动这个可视化 demo,适合单独确认 PICO 与 PC-Service 已连接;bridge 遥操作链路中只需要 PC-Service。
运行前只保留一个 UDP 输入源。先清掉重复 bridge、sample sender 和官方 Unity 可视化 demo,再保留或启动 PC-Service
```bash
pkill -f '[x]robotoolkit_to_udp_bridge'
pkill -f '[s]ample_udp_sender'
pkill -f '[R]obotLinuxDemo.x86_64'
pkill -f '[P]XREAClientUnity'
pgrep -af RoboticsServiceProcess || /opt/apps/roboticsservice/runService.sh
```
启动 ROS mock 接收链路:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
source install/setup.bash
ros2 launch xr_rm_bringup arm_debug.launch.py arm:=both use_mock:=true
```
另开终端启动 bridge
```bash
cd /home/robot/WS_xr
source ~/.bashrc
source /opt/ros/humble/setup.bash
source install/setup.bash
ros2 run xr_rm_input xrobotoolkit_to_udp_bridge \
--host 127.0.0.1 --port 15000 --hz 90
```
bridge 默认对 grip/trigger 做轻量滞回:`grip` 按下阈值 `0.90`、松开阈值 `0.75``trigger` 按下阈值 `0.95`、松开阈值 `0.75`。启动日志会打印 PID、UDP endpoint 和阈值,便于确认当前只运行了一个 bridge。
验证手柄数据是否进入 ROS
```bash
ps -ef | grep -E 'xrobotoolkit_to_udp_bridge|sample_udp_sender|RobotLinuxDemo|PXREAClientUnity' | grep -v grep
ros2 topic hz /xr/left_controller
ros2 topic hz /xr/right_controller
ros2 topic echo /xr/left_controller --field pose.position
ros2 topic echo /xr/right_controller --field pose.position
ros2 topic echo /xr/left_controller --field grip
ros2 topic echo /xr/right_controller --field grip
ros2 topic echo /xr/right_controller --field trigger
```
`/xr/left_controller``/xr/right_controller` 持续刷新、位置随手柄移动变化、`grip` 随握持键切换,即表示官方 XRoboToolkit 数据已经进入当前遥操作输入层。
## 真机安全验证
第一次接真机时按这个顺序走:
1. 确认急停、网络、机械臂工作区和人员位置。
2. `launcher_ui.py` 中先 `Ping Left RM75``Ping Right RM75`
3. 确认对应 YAML 中 `move_to_initial_pose_on_connect: false` 后单臂启动。
4. 手握急停,按住 `grip` 后只做小幅单轴移动。
5. 逐个确认上/下、前/后、左/右方向。
6. 小角度转动手柄,确认 `/xr_rm/<arm>/target_pose` 姿态和 `/xr_rm/<arm>/cmd_vel.twist.angular` 变化符合预期。
7. 点击对应 `trigger`,确认每次点击都会切换对应夹爪状态,松开 trigger 后状态保持且左右不串臂。
8. 确认松开 `grip` 后机械臂慢停,`/xr_rm/<arm>/cmd_vel` 回到零;trigger 仍只影响夹爪,不影响机械臂运动门控。
9. 左右臂都确认后,再进入双臂模式。
当前项目没有双臂碰撞检测。双臂首次联调时,请让两个工作区在物理上分开,低速验证,不要让两臂末端互相靠近。
## 后续优化路线
为了达到“稳定可用的双臂 XR 遥操作/采摘平台”,建议按下面顺序推进:
1. 稳定 PICO 数据链路:利用 `seq``source_time``pose_valid` 做频率、延迟、丢包和追踪状态统计,记录 `/xr/*_controller``/xr_rm/*/raw_target_pose``/xr_rm/*/target_pose``/xr_rm/*/target_clamped``/xr_rm/*/current_pose`
2. 提升真机安全性:增加启动前安全检查、软件急停 topic、UI Stop 状态提示、双臂中间区域互斥边界和速度/加速度限幅。
3. 细化末端执行器:增加夹爪状态反馈、力控比例、安全上限和现场可视化提示。
4. 接入视觉和数据记录:加入 D405/D435 相机 launch、TF、内外参和 rosbag2 实验记录。
5. 从遥操作走向半自动:先做目标检测和 3D 定位提示,再做单臂辅助,最后做双臂任务分配和任务级状态机。
## 常见问题
`launcher_ui.py` 提示找不到 `install/setup.bash`
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
colcon build --symlink-install
source install/setup.bash
colcon test --event-handlers console_direct+
colcon test-result --verbose
```
真机模式提示缺少 `Robotic_Arm`
涉及遥操作姿态控制时,额外运行
```text
未安装睿尔曼 Python API2。请安装厂商 SDK,或用 use_mock:=true 先跑模拟模式。
```bash
pytest src/xr_rm_teleop/test/test_orientation_control.py
```
Controller topic 没有数据:
- 确认 UDP 发送端目标 IP 是运行 ROS2 的主机 IP。
- 确认端口是 `15000`,或 launch 与发送端端口一致。
-`sample_udp_sender` 在本机验证接收链路。
- 确认 `xrobotoolkit_to_udp_bridge` 没有持续打印 SDK read failedSDK
读取失败时 bridge 会发送 `pose_valid=false` 的停止包。
机械臂不动:
- 确认 `grip=true`
- 确认 `udp_controller_receiver` 终端没有持续 `pose_valid=false` 日志;该字段不会写入 `XrController` 消息,但会让接收端强制停止。
- 确认 `/xr_rm/<arm>/raw_target_pose``/xr_rm/<arm>/target_pose` 是否在变化。
- 确认 `/xr_rm/<arm>/target_clamped` 是否持续为 `true`,如果是,目标 TCP 可能被工作空间、圆柱半径或单帧步长限制夹住。
- 确认真机 SDK 连接成功,且 RM75 没有报警或急停。
真机验证不属于自动测试。默认使用 `use_mock:=true`,未经现场安全确认不要连接或
移动机械臂。
@@ -0,0 +1,486 @@
# 手柄主键回初始位姿实施计划
> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
**Goal:** 左手 X 键和右手 A 键分别让对应机械臂安全回到配置的初始关节位姿,并同步三份机械臂配置中的新关节角。
**Architecture:** 继续使用现有左右手柄独立话题和单臂遥操作节点,不增加协调节点。遥操作节点检测自身 `XrController.primary` 的上升沿,先停止当前遥操作,再调用真机或 mock 适配器的同名回位方法并重新同步关节状态。
**Tech Stack:** Ubuntu 22.04、ROS2 Humble、Python 3、rclpy、pytest、ament/colcon、RealMan Python API2(仅真机运行时)。
## 全局约束
- 构建、测试和运行命令在 `/home/robot/WS_xr` 执行,并先运行 `source /opt/ros/humble/setup.bash`
- 所有自动验证使用 mock 或假对象,不连接真机、不移动机械臂、不操作夹爪。
- 保留工作空间与圆柱限位、线速度与角速度限制、指令超时和安全停止逻辑。
- `configure_safety_limits` 保持启用;`move_to_initial_pose_on_connect` 默认值保持 `false`
- mock 模式不得导入或依赖睿尔曼厂商 SDK,不新增 RealMan 连接。
- 只修改完成本功能所需文件,不新增依赖、节点、话题、服务或配置项。
- 左臂初始关节角(度):`[-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55]`
- 右臂初始关节角(度):`[-86.10, 22.80, -89.57, 93.98, -91.82, -87.32, -89.35]`
---
### Task 1: 复用适配器初始位姿运动
**Files:**
- Modify: `src/xr_rm_teleop/xr_rm_teleop/realman_adapter.py:42-82`
- Modify: `src/xr_rm_teleop/xr_rm_teleop/realman_adapter.py:178-182`
- Modify: `src/xr_rm_teleop/xr_rm_teleop/realman_adapter.py:454-459`
- Test: `src/xr_rm_teleop/test/test_initial_joint_pose.py:13-35`
**Interfaces:**
- Consumes: 现有 `initial_joint_pose: list[float]`(度)和 `init_move_speed: int`
- Produces: `MockRealManAdapter.move_to_initial_pose() -> None`
- Produces: `RealManAdapter.move_to_initial_pose() -> None`
- [ ] **Step 1: 先写失败测试**
将真机测试改为调用公开方法,并增加 mock 恢复初始关节角的测试:
```python
def test_initial_pose_uses_joint_move_only() -> None:
class FakeArm:
def __init__(self) -> None:
self.calls = []
def rm_movej(self, *args):
self.calls.append(args)
return 0
joints = [-167.21, 28.48, 28.21, 61.35, -14.40, 84.49, -124.51]
adapter = RealManAdapter(
"127.0.0.1",
8080,
0,
"127.0.0.1",
8090,
initial_joint_pose=joints,
)
adapter._arm = FakeArm()
adapter.move_to_initial_pose()
assert adapter._arm.calls == [(joints, 20, 0, 0, 1)]
def test_mock_initial_pose_restores_configured_joints() -> None:
initial_degrees = [-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55]
adapter = MockRealManAdapter(initial_degrees)
adapter.send_joint_target([0.0] * 7, follow=False)
adapter.move_to_initial_pose()
assert adapter.read_joint_state().positions == pytest.approx(
[math.radians(value) for value in initial_degrees]
)
```
- [ ] **Step 2: 运行测试并确认按预期失败**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
python3 -m pytest src/xr_rm_teleop/test/test_initial_joint_pose.py \
-k 'initial_pose_uses_joint_move_only or mock_initial_pose_restores_configured_joints' -v
```
Expected: FAIL,两个适配器都还没有公开的 `move_to_initial_pose` 方法。
- [ ] **Step 3: 写最小实现**
在 mock 中保存初始弧度值并实现恢复:
```python
self._initial_joint_positions = [
math.radians(value) for value in initial_joint_degrees
]
self._joint_positions = list(self._initial_joint_positions)
```
```python
def move_to_initial_pose(self) -> None:
self._joint_positions = list(self._initial_joint_positions)
self.last_joint_target = list(self._joint_positions)
```
将真机 `_move_to_initial_pose` 改为公开方法,并保留原有阻塞式关节运动:
```python
def move_to_initial_pose(self) -> None:
self._require_arm()
if self._initial_joint_pose is None:
raise RuntimeError("启用初始位姿移动时必须配置 initial_joint_pose")
ret = self._arm.rm_movej(
self._initial_joint_pose,
self._init_move_speed,
0,
0,
1,
)
self._check_return(ret, "rm_movej(initial_joint_pose)")
```
同时把 `connect()` 中的启动回位调用改为:
```python
if self._move_to_initial_pose_on_connect:
self.move_to_initial_pose()
```
- [ ] **Step 4: 运行测试并确认通过**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
python3 -m pytest src/xr_rm_teleop/test/test_initial_joint_pose.py \
-k 'initial_pose_uses_joint_move_only or mock_initial_pose_restores_configured_joints' -v
```
Expected: PASS。
- [ ] **Step 5: 创建本地提交**
```bash
cd /home/robot/WS_xr/src
git add xr_rm_teleop/xr_rm_teleop/realman_adapter.py \
xr_rm_teleop/test/test_initial_joint_pose.py
git commit -m "feat: 复用适配器初始位姿运动"
```
### Task 2: 在遥操作节点处理主键上升沿
**Files:**
- Modify: `src/xr_rm_teleop/xr_rm_teleop/single_arm_velocity_teleop.py:276-299`
- Modify: `src/xr_rm_teleop/xr_rm_teleop/single_arm_velocity_teleop.py:514-534`
- Test: `src/xr_rm_teleop/test/test_joint_control.py:16-114`
**Interfaces:**
- Consumes: `XrController.primary: bool`
- Consumes: Task 1 的 `adapter.move_to_initial_pose() -> None`
- Produces: `SingleArmVelocityTeleop._handle_initial_pose_button(msg: XrController) -> None`
- [ ] **Step 1: 先写主键边沿失败测试**
`test_joint_control.py` 增加测试辅助函数和成功路径测试:
```python
def _primary_button_teleop(*, move_error=None):
events = []
errors = []
snapshot = JointStateSnapshot([0.2] * 7, time.monotonic())
class Adapter:
def move_to_initial_pose(self):
events.append("move")
if move_error is not None:
raise move_error
def read_joint_state(self):
events.append("read")
return snapshot
teleop = object.__new__(SingleArmVelocityTeleop)
teleop._arm_name = "right_rm75"
teleop._adapter = Adapter()
teleop._last_primary_pressed = None
teleop._grip_rearm_required = False
teleop._safe_stop = lambda reset_active: events.append(
("stop", reset_active)
)
teleop._reset_joint_state = lambda value: events.append(("sync", value))
teleop._handle_trigger_gripper = lambda msg: None
teleop.get_clock = lambda: SimpleNamespace(now=lambda: FakeTime())
teleop.get_logger = lambda: SimpleNamespace(
info=lambda message: None,
error=lambda message: errors.append(message),
)
return teleop, events, errors, snapshot
def test_primary_button_rising_edge_moves_once_and_resyncs() -> None:
teleop, events, _, snapshot = _primary_button_teleop()
released = SimpleNamespace(primary=False)
pressed = SimpleNamespace(primary=True)
teleop._on_controller(released)
teleop._on_controller(pressed)
teleop._on_controller(pressed)
teleop._on_controller(released)
teleop._on_controller(pressed)
expected_once = [
("stop", True),
"move",
"read",
("sync", snapshot),
]
assert events == expected_once * 2
assert teleop._grip_rearm_required
```
- [ ] **Step 2: 运行测试并确认按预期失败**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
python3 -m pytest src/xr_rm_teleop/test/test_joint_control.py \
-k primary_button_rising_edge_moves_once_and_resyncs -v
```
Expected: FAIL,因为 `_on_controller` 尚未处理 `primary`
- [ ] **Step 3: 写最小成功实现**
在节点状态中增加与现有 trigger 相同的首次采样保护:
```python
self._last_primary_pressed: bool | None = None
```
在现有回调中接入主键处理:
```python
def _on_controller(self, msg: XrController) -> None:
self._last_msg = msg
self._last_msg_time = self.get_clock().now()
self._handle_initial_pose_button(msg)
self._handle_trigger_gripper(msg)
```
增加主键上升沿处理;首次采样只建立状态,避免节点启动时按键已经按住而意外运动:
```python
def _handle_initial_pose_button(self, msg: XrController) -> None:
if self._last_primary_pressed is None:
self._last_primary_pressed = msg.primary
return
rising_edge = msg.primary and not self._last_primary_pressed
self._last_primary_pressed = msg.primary
if not rising_edge:
return
self._grip_rearm_required = True
self._safe_stop(reset_active=True)
self._adapter.move_to_initial_pose()
self._reset_joint_state(self._adapter.read_joint_state())
self.get_logger().info(f"{self._arm_name} 已回到初始位姿。")
```
- [ ] **Step 4: 运行测试并确认通过**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
python3 -m pytest src/xr_rm_teleop/test/test_joint_control.py \
-k primary_button_rising_edge_moves_once_and_resyncs -v
```
Expected: PASS。
- [ ] **Step 5: 先写失败路径测试**
```python
def test_primary_button_move_failure_logs_and_stays_stopped() -> None:
failure = RuntimeError("rm_movej failed")
teleop, events, errors, _ = _primary_button_teleop(
move_error=failure
)
teleop._on_controller(SimpleNamespace(primary=False))
teleop._on_controller(SimpleNamespace(primary=True))
assert events == [("stop", True), "move"]
assert teleop._grip_rearm_required
assert errors == [
"right_rm75 回初始位姿失败:rm_movej failed"
]
```
- [ ] **Step 6: 运行失败路径测试并确认按预期失败**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
python3 -m pytest src/xr_rm_teleop/test/test_joint_control.py \
-k primary_button_move_failure_logs_and_stays_stopped -v
```
Expected: FAIL,并抛出 `RuntimeError: rm_movej failed`
- [ ] **Step 7: 增加最小异常处理**
`try/except` 包住回位和状态同步,失败时记录错误并保持已经设置的停止与 Grip
重新使能状态:
```python
try:
self._adapter.move_to_initial_pose()
self._reset_joint_state(self._adapter.read_joint_state())
except Exception as exc:
self.get_logger().error(
f"{self._arm_name} 回初始位姿失败:{exc}"
)
return
self.get_logger().info(f"{self._arm_name} 已回到初始位姿。")
```
- [ ] **Step 8: 运行两条主键测试并确认通过**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
python3 -m pytest src/xr_rm_teleop/test/test_joint_control.py -k primary_button -v
```
Expected: PASS。
- [ ] **Step 9: 创建本地提交**
```bash
cd /home/robot/WS_xr/src
git add xr_rm_teleop/xr_rm_teleop/single_arm_velocity_teleop.py \
xr_rm_teleop/test/test_joint_control.py
git commit -m "feat: 添加手柄主键回初始位姿"
```
### Task 3: 同步三份初始位姿配置
**Files:**
- Modify: `src/xr_rm_bringup/config/left_arm_rm75.yaml:57`
- Modify: `src/xr_rm_bringup/config/right_arm_rm75.yaml:57`
- Modify: `src/xr_rm_bringup/config/dual_arm_rm75.yaml:64`
- Modify: `src/xr_rm_bringup/config/dual_arm_rm75.yaml:121`
**Interfaces:**
- Consumes: 用户确认的左右臂 7 个关节角,单位为度。
- Produces: 单臂和双臂模式一致的对应臂 `initial_joint_pose`
- [ ] **Step 1: 只替换四处初始位姿**
```yaml
# left_arm_rm75.yaml
initial_joint_pose: [-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55]
# right_arm_rm75.yaml
initial_joint_pose: [-86.10, 22.80, -89.57, 93.98, -91.82, -87.32, -89.35]
# dual_arm_rm75.yaml / left_arm_teleop
initial_joint_pose: [-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55]
# dual_arm_rm75.yaml / right_arm_teleop
initial_joint_pose: [-86.10, 22.80, -89.57, 93.98, -91.82, -87.32, -89.35]
```
- [ ] **Step 2: 解析 YAML 并验证四处值**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
python3 - <<'PY'
from pathlib import Path
import yaml
config_dir = Path("src/xr_rm_bringup/config")
left = [-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55]
right = [-86.10, 22.80, -89.57, 93.98, -91.82, -87.32, -89.35]
left_single = yaml.safe_load((config_dir / "left_arm_rm75.yaml").read_text())
right_single = yaml.safe_load((config_dir / "right_arm_rm75.yaml").read_text())
dual = yaml.safe_load((config_dir / "dual_arm_rm75.yaml").read_text())
assert left_single["single_arm_velocity_teleop"]["ros__parameters"]["initial_joint_pose"] == left
assert right_single["single_arm_velocity_teleop"]["ros__parameters"]["initial_joint_pose"] == right
assert dual["left_arm_teleop"]["ros__parameters"]["initial_joint_pose"] == left
assert dual["right_arm_teleop"]["ros__parameters"]["initial_joint_pose"] == right
PY
```
Expected: exit code 0,无输出。
- [ ] **Step 3: 确认没有改动其他 YAML 参数**
Run:
```bash
cd /home/robot/WS_xr/src
git diff --word-diff=plain -- \
xr_rm_bringup/config/left_arm_rm75.yaml \
xr_rm_bringup/config/right_arm_rm75.yaml \
xr_rm_bringup/config/dual_arm_rm75.yaml
```
Expected: 只有四个 `initial_joint_pose` 列表发生变化。
- [ ] **Step 4: 创建本地提交**
```bash
cd /home/robot/WS_xr/src
git add xr_rm_bringup/config/left_arm_rm75.yaml \
xr_rm_bringup/config/right_arm_rm75.yaml \
xr_rm_bringup/config/dual_arm_rm75.yaml
git commit -m "config: 更新左右臂初始位姿"
```
### Task 4: 完整验证
**Files:**
- Verify: `src/xr_rm_teleop/test/test_initial_joint_pose.py`
- Verify: `src/xr_rm_teleop/test/test_joint_control.py`
- Verify: `src/xr_rm_teleop/test/test_orientation_control.py`
- Verify: 全部四个 ROS2 包
**Interfaces:**
- Consumes: Tasks 13 的本地提交。
- Produces: mock 测试与 ROS2 构建通过的可验证结果。
- [ ] **Step 1: 运行遥操作相关测试**
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
python3 -m pytest src/xr_rm_teleop/test/test_initial_joint_pose.py \
src/xr_rm_teleop/test/test_joint_control.py \
src/xr_rm_teleop/test/test_orientation_control.py
```
Expected: PASS,无 error 或 warning。
- [ ] **Step 2: 构建工作空间**
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
colcon build --symlink-install
```
Expected: `xr_rm_interfaces``xr_rm_input``xr_rm_teleop``xr_rm_bringup`
构建完成,无失败包。
- [ ] **Step 3: 检查最终范围**
```bash
cd /home/robot/WS_xr/src
git status --short
git log -6 --oneline
```
Expected: 工作区干净;只有设计、计划、适配器、遥操作节点、两份测试和三份 YAML
配置的相关本地提交,不存在远程写操作。
@@ -0,0 +1,870 @@
# 双 RM75 逆解模型替换实施计划
> **面向执行代理:** 必须逐项执行本计划,并使用 `superpowers:test-driven-development`;可选择 `superpowers:subagent-driven-development`(推荐)或 `superpowers:executing-plans`。
**目标:** 让单臂和双臂遥操作统一加载 `dual_rm75`,左右节点分别使用本侧局部 base→TCP 相对任务求解 7 个关节,并同步前方工作空间与真机 TCP 配置。
**架构:** 保留 `left_arm_teleop``right_arm_teleop` 两个独立节点和 RealMan 连接。每个节点创建独立 `PlacoIkSolver`,加载同一双臂 URDF,固定浮动基座、mask 另一臂关节,并通过当前侧关节名查询 q/v offset。节点继续在各自局部基坐标系生成目标,现有 PICO 映射与安全链路不变。
**技术栈:** Ubuntu 22.04、ROS2 Humble、Python 3.10、ament_python、Placo 0.9.4、NumPy、pytest、colcon。
---
## 执行约束
- 所有构建、测试和启动命令均在 `/home/robot/WS_xr` 执行,并先运行:
```bash
source /opt/ros/humble/setup.bash
```
- 真实 Placo 测试使用 `/home/robot/miniconda3/envs/xr/bin/python`,不能把跳过测试当作通过。
- 启动验收只允许 `use_mock:=true`,不得连接真机、移动机械臂或操作夹爪。
- 不修改 `configure_safety_limits: true`、`move_to_initial_pose_on_connect: false`、左右节点名或现有限速/超时/安全停止逻辑。
- 不增加碰撞约束、新依赖、第三个控制节点或公共坐标系控制路径。
- 每个实现任务只提交列出的文件,不提交无关工作树内容。
- `setup.py` 和 launch 路径属于配置集成;按已确认的测试设计使用完整构建、安装
资源检查和 mock 启动验收,不增加读取源码字符串的脆弱测试。
## 文件结构
**修改:**
- `xr_rm_teleop/xr_rm_teleop/placo_ik_solver.py`:选择左右运动链、查询 offset、建立相对位姿任务。
- `xr_rm_teleop/xr_rm_teleop/single_arm_velocity_teleop.py`:把当前侧名称传给求解器。
- `xr_rm_teleop/test/test_placo_transforms.py`:双臂 URDF、左右 offset、局部位姿和真实 Placo 收敛回归。
- `xr_rm_teleop/test/placo_ik_smoke.py`:左右分支手工性能冒烟脚本。
- `xr_rm_teleop/test/test_initial_joint_pose.py`:真机外设选择与三份工作空间配置回归。
- `xr_rm_teleop/setup.py`:安装双臂 URDF 和混合大小写 STL。
- `xr_rm_bringup/launch/arm_debug.launch.py`:单臂/双臂统一选择双臂 URDF。
- `xr_rm_bringup/config/dual_arm_rm75.yaml`:左右局部 Y 上界改为 `0.10`。
- `xr_rm_bringup/config/left_arm_rm75.yaml`:左臂局部 Y 上界改为 `0.10`。
- `xr_rm_bringup/config/right_arm_rm75.yaml`:右臂局部 Y 上界改为 `0.10`。
- `xr_rm_bringup/config/peripherals_rm75.yaml`:同步右臂 omnipic 和左臂编号 2 实际工具的 TCP。
- `README.md`:更新模型、局部坐标与配置说明。
**不创建新的生产模块或依赖。**
### 任务一:用回归测试锁定外设 TCP 与前方工作空间
**文件:**
- 修改:`xr_rm_teleop/test/test_initial_joint_pose.py`
- 修改:`xr_rm_bringup/config/peripherals_rm75.yaml`
- 修改:`xr_rm_bringup/config/dual_arm_rm75.yaml`
- 修改:`xr_rm_bringup/config/left_arm_rm75.yaml`
- 修改:`xr_rm_bringup/config/right_arm_rm75.yaml`
- [ ] **步骤 1:先写失败的真实配置测试**
在 `test_initial_joint_pose.py` 顶部补充导入:
```python
from pathlib import Path
import yaml
from xr_rm_teleop.fun_peripheral import (
PeripheralConfig,
_configure_tool_frame,
load_peripheral_config,
)
```
删除原来单行的 `PeripheralConfig, _configure_tool_frame` 导入,随后在
`test_peripheral_config_exposes_selected_tool()` 后加入:
```python
CONFIG_DIR = Path(__file__).resolve().parents[2] / "xr_rm_bringup" / "config"
def test_deployed_peripheral_config_matches_dual_urdf_tcps() -> None:
path = CONFIG_DIR / "peripherals_rm75.yaml"
left = load_peripheral_config(str(path), "left")
right = load_peripheral_config(str(path), "right")
assert left.scissorgripper == 2
assert left.tool_name == "minisci"
assert left.tool_pose == pytest.approx(
[0.0, 0.0, 0.165, 0.0, 0.0, 0.0, 1.0]
)
assert right.scissorgripper == 1
assert right.tool_name == "omnipic"
assert right.tool_pose == pytest.approx(
[0.0, 0.0, 0.14, 0.0, 0.0, 0.0, 1.0]
)
@pytest.mark.parametrize(
("filename", "node_name"),
[
("left_arm_rm75.yaml", "single_arm_velocity_teleop"),
("right_arm_rm75.yaml", "single_arm_velocity_teleop"),
("dual_arm_rm75.yaml", "left_arm_teleop"),
("dual_arm_rm75.yaml", "right_arm_teleop"),
],
)
def test_deployed_workspaces_keep_only_ten_centimeters_behind(
filename: str,
node_name: str,
) -> None:
with (CONFIG_DIR / filename).open("r", encoding="utf-8") as stream:
parameters = yaml.safe_load(stream)[node_name]["ros__parameters"]
assert parameters["workspace_min"] == [-0.70, -0.70, 0.10]
assert parameters["workspace_max"] == [0.70, 0.10, 0.75]
```
- [ ] **步骤 2:运行测试并确认按预期失败**
运行:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
pytest \
src/xr_rm_teleop/test/test_initial_joint_pose.py::test_deployed_peripheral_config_matches_dual_urdf_tcps \
src/xr_rm_teleop/test/test_initial_joint_pose.py::test_deployed_workspaces_keep_only_ten_centimeters_behind \
-v
```
预期:FAIL;当前左臂 `minisci.pose.z` 为 `0.19`、右臂 `omnipic.pose.z` 为
`0.16`,三份配置的 `workspace_max[1]` 为 `0.70`。
- [ ] **步骤 3:做最小配置修改**
在 `peripherals_rm75.yaml` 中只修改:
```yaml
omnipic:
pose: [0.0, 0.0, 0.14, 0.0, 0.0, 0.0, 1.0]
minisci:
pose: [0.0, 0.0, 0.165, 0.0, 0.0, 0.0, 1.0]
```
保持以下内容不变:
```yaml
scissor:
pose: [0.0, 0.0, 0.19, 0.0, 0.0, 0.0, 1.0]
arms:
left:
scissorgripper: 2
right:
scissorgripper: 1
```
在 `left_arm_rm75.yaml`、`right_arm_rm75.yaml` 以及 `dual_arm_rm75.yaml` 的左右
节点参数中只把:
```yaml
workspace_max: [0.70, 0.70, 0.75]
```
改为:
```yaml
workspace_max: [0.70, 0.10, 0.75]
```
- [ ] **步骤 4:运行配置测试并确认通过**
运行:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
pytest src/xr_rm_teleop/test/test_initial_joint_pose.py -v
```
预期:该文件全部通过,左臂索引仍为 `2`。
- [ ] **步骤 5:提交配置与测试**
```bash
git add \
src/xr_rm_teleop/test/test_initial_joint_pose.py \
src/xr_rm_bringup/config/peripherals_rm75.yaml \
src/xr_rm_bringup/config/dual_arm_rm75.yaml \
src/xr_rm_bringup/config/left_arm_rm75.yaml \
src/xr_rm_bringup/config/right_arm_rm75.yaml
git commit -m "config: 同步双臂 TCP 与前方工作空间"
```
### 任务二:为双臂局部相对逆解建立失败测试
**文件:**
- 修改:`xr_rm_teleop/test/test_placo_transforms.py`
- [ ] **步骤 1:把旧单臂 URDF 结构测试替换为双臂结构测试**
在测试文件导入中加入 `QP_ORIENTATION_TOLERANCE_RAD`,并定义模型路径:
```python
from xr_rm_teleop.placo_ik_solver import (
QP_ORIENTATION_TOLERANCE_RAD,
QP_POSITION_TOLERANCE_M,
PlacoIkSolver,
_validated_transform,
)
DUAL_URDF_PATH = (
Path(__file__).resolve().parents[1]
/ "models"
/ "dual_rm75"
/ "Dual_arm.urdf"
)
```
用下面测试替换 `test_fixed_urdf_has_seven_moving_joints_and_omnipicker_tcp()`
```python
def test_dual_urdf_has_two_rm75_chains_and_tool_tcps() -> None:
root = ElementTree.parse(DUAL_URDF_PATH).getroot()
moving_joint_names = [
joint.attrib["name"]
for joint in root.findall("joint")
if joint.attrib["type"] != "fixed"
]
assert moving_joint_names == [
*[f"omnipic_joint_{index}" for index in range(1, 8)],
*[f"scissor_joint_{index}" for index in range(1, 8)],
]
assert all(
mesh.attrib["filename"].startswith("meshes/")
for mesh in root.findall(".//mesh")
)
expected_fixed_joints = {
"omnipic_base_mount_joint": (
"dual_arm_base_link",
"omnipic_base_link",
None,
),
"scissor_base_mount_joint": (
"dual_arm_base_link",
"scissor_base_link",
None,
),
"omnipic_OmniPic_tcp_fixed": (
"omnipic_gripper_link",
"omnipic_OmniPic_tcp",
"0 0 0.14",
),
"scissor_scissor_tcp_fixed": (
"scissor_scissor_link",
"scissor_scissor_tcp",
"0 0 0",
),
"scissor_scissor_fixed_joint": (
"scissor_link_7",
"scissor_scissor_link",
"0 0 0.165",
),
}
for name, (parent, child, xyz) in expected_fixed_joints.items():
joint = root.find(f"joint[@name='{name}']")
assert joint is not None
assert joint.attrib["type"] == "fixed"
assert joint.find("parent").attrib["link"] == parent
assert joint.find("child").attrib["link"] == child
if xyz is not None:
assert joint.find("origin").attrib["xyz"] == xyz
```
- [ ] **步骤 2:增加左右求解器、offset 与相对位姿测试**
用下面代码替换 `_rm75_placo_solver()` 和旧的单臂收敛测试:
```python
ARM_CASES = [
pytest.param(
"left",
[-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55],
list(range(14, 21)),
list(range(13, 20)),
"omnipic",
id="left",
),
pytest.param(
"right",
[-86.10, 22.80, -89.57, 93.98, -91.82, -87.32, -89.35],
list(range(7, 14)),
list(range(6, 13)),
"scissor",
id="right",
),
]
def _dual_placo_solver(
arm: str,
joint_degrees: list[float],
) -> tuple[PlacoIkSolver, list[float]]:
pytest.importorskip("placo")
joints = [math.radians(value) for value in joint_degrees]
return PlacoIkSolver(str(DUAL_URDF_PATH), 1.0 / 90.0, arm), joints
@pytest.mark.parametrize(
("arm", "joint_degrees", "q_offsets", "v_offsets", "inactive_prefix"),
ARM_CASES,
)
def test_solver_uses_arm_specific_offsets(
arm: str,
joint_degrees: list[float],
q_offsets: list[int],
v_offsets: list[int],
inactive_prefix: str,
) -> None:
del inactive_prefix
solver, _ = _dual_placo_solver(arm, joint_degrees)
assert solver._q_offsets.tolist() == q_offsets
assert solver._v_offsets.tolist() == v_offsets
@pytest.mark.parametrize(
("arm", "joint_degrees", "q_offsets", "v_offsets", "inactive_prefix"),
ARM_CASES,
)
def test_joint_state_pose_is_relative_to_selected_arm_base(
arm: str,
joint_degrees: list[float],
q_offsets: list[int],
v_offsets: list[int],
inactive_prefix: str,
) -> None:
del q_offsets, v_offsets, inactive_prefix
solver, joints = _dual_placo_solver(arm, joint_degrees)
actual = solver.update_joint_state(joints)
expected = (
np.linalg.inv(solver._robot.get_T_world_frame(solver._base_frame))
@ solver._robot.get_T_world_frame(solver._tcp_frame)
)
assert actual == pytest.approx(expected)
@pytest.mark.parametrize(
("arm", "joint_degrees", "q_offsets", "v_offsets", "inactive_prefix"),
ARM_CASES,
)
def test_qp_solve_converges_without_moving_inactive_arm(
arm: str,
joint_degrees: list[float],
q_offsets: list[int],
v_offsets: list[int],
inactive_prefix: str,
) -> None:
del q_offsets, v_offsets
solver, joints = _dual_placo_solver(arm, joint_degrees)
inactive_offsets = [
solver._robot.get_joint_offset(f"{inactive_prefix}_joint_{index}")
for index in range(1, 8)
]
inactive_before = solver._robot.state.q[inactive_offsets].copy()
start_pose = solver.update_joint_state(joints)
target_pose = start_pose.copy()
target_pose[0, 3] += 0.01
result = solver.solve(target_pose)
reached_pose = solver.update_joint_state(result)
rotation_delta = target_pose[:3, :3] @ reached_pose[:3, :3].T
orientation_error = math.acos(
float(
np.clip(
(np.trace(rotation_delta) - 1.0) * 0.5,
-1.0,
1.0,
)
)
)
assert len(result) == 7
assert np.isfinite(result).all()
assert np.linalg.norm(
target_pose[:3, 3] - reached_pose[:3, 3]
) <= QP_POSITION_TOLERANCE_M
assert orientation_error <= QP_ORIENTATION_TOLERANCE_RAD
assert solver._robot.state.q[inactive_offsets] == pytest.approx(
inactive_before
)
def test_solver_rejects_unknown_arm() -> None:
pytest.importorskip("placo")
with pytest.raises(ValueError, match="arm must be left or right"):
PlacoIkSolver(str(DUAL_URDF_PATH), 1.0 / 90.0, "middle")
```
- [ ] **步骤 3:运行新测试并确认按预期失败**
运行:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_placo_transforms.py -v
```
预期:FAIL;当前 `PlacoIkSolver` 不接受 `arm` 参数,仍要求单臂 q shape 和
`joint_17`。
### 任务三:实现最小双臂分支相对求解器
**文件:**
- 修改:`xr_rm_teleop/xr_rm_teleop/placo_ik_solver.py`
- 修改:`xr_rm_teleop/test/test_placo_transforms.py`
- 修改:`xr_rm_teleop/test/placo_ik_smoke.py`
- [ ] **步骤 1:替换单臂固定常量**
把 `RM75_JOINT_NAMES` 和 `RM75_Q_SLICE` 替换为:
```python
ARM_CHAINS = {
"left": (
"scissor_base_link",
"scissor_scissor_tcp",
"scissor",
"omnipic",
),
"right": (
"omnipic_base_link",
"omnipic_OmniPic_tcp",
"omnipic",
"scissor",
),
}
DUAL_RM75_JOINT_NAMES = [
*[f"omnipic_joint_{index}" for index in range(1, 8)],
*[f"scissor_joint_{index}" for index in range(1, 8)],
]
```
- [ ] **步骤 2:按名称选择当前分支并建立相对任务**
将 `PlacoIkSolver.__init__()` 签名改为:
```python
def __init__(
self,
urdf_path: str,
dt: float,
arm: str,
) -> None:
```
在 `dt` 校验后先选择固定分支:
```python
if arm not in ARM_CHAINS:
raise ValueError("arm must be left or right")
self._base_frame, self._tcp_frame, prefix, inactive_prefix = ARM_CHAINS[arm]
self._joint_names = [f"{prefix}_joint_{index}" for index in range(1, 8)]
inactive_joint_names = [
f"{inactive_prefix}_joint_{index}" for index in range(1, 8)
]
```
加载 `RobotWrapper` 后,用下面代码替换单臂 q shape、关节顺序、offset 和限位初始化:
```python
if self._robot.state.q.shape != (21,):
raise RuntimeError(
f"expected Placo q shape (21,), got {self._robot.state.q.shape}"
)
if list(self._robot.joint_names()) != DUAL_RM75_JOINT_NAMES:
raise RuntimeError(
"unexpected dual RM75 joint order: "
f"{list(self._robot.joint_names())}"
)
self._q_offsets = np.asarray(
[self._robot.get_joint_offset(name) for name in self._joint_names],
dtype=int,
)
self._v_offsets = np.asarray(
[self._robot.get_joint_v_offset(name) for name in self._joint_names],
dtype=int,
)
if len(set(self._q_offsets.tolist())) != 7:
raise RuntimeError(f"invalid RM75 q offsets: {self._q_offsets.tolist()}")
if len(set(self._v_offsets.tolist())) != 7:
raise RuntimeError(f"invalid RM75 v offsets: {self._v_offsets.tolist()}")
self._joint_limits = np.asarray(
[self._robot.get_joint_limits(name) for name in self._joint_names]
)
self._velocity_limits = np.asarray(
[self._robot.model.velocityLimit[index] for index in self._v_offsets]
)
self._actual_joints: np.ndarray | None = None
```
用下面代码替换任务创建:
```python
self._solver = placo.KinematicsSolver(self._robot)
self._solver.dt = dt
self._solver.mask_fbase(True)
for name in inactive_joint_names:
self._solver.mask_dof(name)
self._solver.enable_velocity_limits(True)
self._frame_task = self._solver.add_relative_frame_task(
self._base_frame,
self._tcp_frame,
np.eye(4),
)
self._frame_task.configure("rm75_relative_frame", "soft", 1.0)
self._solver.add_kinetic_energy_regularization_task(1e-6)
```
- [ ] **步骤 3:让反馈和结果使用当前侧 offset 与局部位姿**
在 `update_joint_state()` 中用下面逻辑替换固定切片和绝对 TCP 查询:
```python
self._robot.state.q[self._q_offsets] = values
self._robot.update_kinematics()
base_to_tool = (
np.linalg.inv(self._robot.get_T_world_frame(self._base_frame))
@ self._robot.get_T_world_frame(self._tcp_frame)
)
if is_first_feedback:
self._frame_task.T_a_b = base_to_tool.copy()
return base_to_tool.copy()
```
在 `solve()` 中把任务目标与两处结果读取分别改为:
```python
self._frame_task.T_a_b = _validated_transform(target_tool_pose)
result = np.asarray(
self._robot.state.q[self._q_offsets],
dtype=float,
).copy()
```
迭代后的结果读取使用同一段 `self._q_offsets` 代码。`base_configuration`、目标误差、
结果校验和收敛循环保持不变。
- [ ] **步骤 4:更新无真实 Placo 的小型求解测试桩**
在 `test_qp_solve_accepts_position_error_within_two_millimeters()` 和
`test_qp_solve_rejects_position_error_above_two_millimeters()` 中设置:
```python
solver._q_offsets = np.arange(7, 14)
solver._robot = SimpleNamespace(
state=SimpleNamespace(q=np.zeros(21)),
)
solver._frame_task = SimpleNamespace(T_a_b=None)
```
第二个测试继续给 `_robot` 增加原有 `update_kinematics=lambda: None`,其他桩保持
原样。这样测试仍只覆盖 2 mm 收敛边界,不伪造 Placo 相对任务。
- [ ] **步骤 5:运行真实 Placo 测试并确认转绿**
运行:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_placo_transforms.py -v
```
预期:全部通过;左右真实 Placo 用例均执行,不能显示 skipped。
- [ ] **步骤 6:更新手工 Placo 冒烟脚本**
把 `placo_ik_smoke.py` 的 `CASES` 更新为当前左右初始角:
```python
CASES = {
"left": [-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55],
"right": [-86.10, 22.80, -89.57, 93.98, -91.82, -87.32, -89.35],
}
TOOL_CHAINS = {
"left": ("scissor_base_link", "scissor_link_7", 0.165),
"right": ("omnipic_base_link", "omnipic_link_7", 0.14),
}
```
两处求解器构造都改为:
```python
PlacoIkSolver(str(urdf_path), 1.0 / 125.0, arm)
```
把固定 `link_7`/`0.16` 检查替换为:
```python
base_frame, flange_frame, tcp_length = TOOL_CHAINS[arm]
world_to_base = drift_solver._robot.get_T_world_frame(base_frame)
world_to_flange = drift_solver._robot.get_T_world_frame(flange_frame)
base_to_flange = np.linalg.inv(world_to_base) @ world_to_flange
flange_to_tcp = np.linalg.inv(base_to_flange) @ stationary_target
assert np.allclose(flange_to_tcp[:3, 3], [0.0, 0.0, tcp_length])
assert np.allclose(flange_to_tcp[:3, :3], np.eye(3), atol=1e-5)
```
- [ ] **步骤 7:运行冒烟脚本**
运行:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
PYTHONPATH=src/xr_rm_teleop \
/home/robot/miniconda3/envs/xr/bin/python \
src/xr_rm_teleop/test/placo_ik_smoke.py \
src/xr_rm_teleop/models/dual_rm75/Dual_arm.urdf
```
预期:左右各输出一行有限误差与耗时统计;位置误差不超过 `0.005 m`、姿态误差
不超过 ``、静止漂移不超过 `0.05°`。
- [ ] **步骤 8:提交求解器与测试**
```bash
git add \
src/xr_rm_teleop/xr_rm_teleop/placo_ik_solver.py \
src/xr_rm_teleop/test/test_placo_transforms.py \
src/xr_rm_teleop/test/placo_ik_smoke.py
git commit -m "feat: 使用双 RM75 局部相对逆解"
```
### 任务四:接入节点、安装空间与统一 launch
**文件:**
- 修改:`xr_rm_teleop/xr_rm_teleop/single_arm_velocity_teleop.py`
- 修改:`xr_rm_teleop/setup.py`
- 修改:`xr_rm_bringup/launch/arm_debug.launch.py`
- [ ] **步骤 1:把节点当前侧传给求解器**
将节点中的求解器构造改为:
```python
self._ik_solver = PlacoIkSolver(
str(self.get_parameter("robot_urdf_path").value),
self._dt,
peripheral_arm,
)
```
复用已经用于外设加载的 `peripheral_arm`,不增加新的 ROS 参数。
- [ ] **步骤 2:安装双臂模型资源**
在 `xr_rm_teleop/setup.py` 的 `data_files` 中增加:
```python
(
f"share/{package_name}/models/dual_rm75",
["models/dual_rm75/Dual_arm.urdf"],
),
(
f"share/{package_name}/models/dual_rm75/meshes",
glob("models/dual_rm75/meshes/*.STL")
+ glob("models/dual_rm75/meshes/*.stl"),
),
```
保留旧模型安装项,避免破坏仓库中其他手工路径;不修改锁文件或依赖。
- [ ] **步骤 3:让所有 launch 模式选择双臂 URDF**
将 `_rm75_urdf()` 改名并替换为:
```python
def _dual_rm75_urdf() -> PathJoinSubstitution:
return PathJoinSubstitution([
FindPackageShare("xr_rm_teleop"),
"models",
"dual_rm75",
"Dual_arm.urdf",
])
```
把单臂节点和两个双臂节点中的:
```python
"robot_urdf_path": _rm75_urdf(),
```
全部替换为:
```python
"robot_urdf_path": _dual_rm75_urdf(),
```
- [ ] **步骤 4:构建完整工作空间**
运行:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
colcon build --symlink-install
```
预期:退出码 `0`,四个 ROS2 包构建成功。
- [ ] **步骤 5:验证安装空间包含完整模型**
运行:
```bash
cd /home/robot/WS_xr
test -f install/xr_rm_teleop/share/xr_rm_teleop/models/dual_rm75/Dual_arm.urdf
find install/xr_rm_teleop/share/xr_rm_teleop/models/dual_rm75/meshes \
-maxdepth 1 -type f | sort
```
预期:`test` 退出码 `0`;列表包含 `base_link.STL`、`OmniPic.stl`、
`scissor.stl`、`dual_arm_base.stl` 和 7 个 link 网格等现有资源。
- [ ] **步骤 6:运行双臂 mock 启动验收**
运行:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
source install/setup.bash
timeout 15s ros2 launch xr_rm_bringup arm_debug.launch.py \
arm:=both use_mock:=true
```
预期:日志显示 `left_rm75`、`right_rm75` 两个 Placo QP 节点启动,无模型路径、
q shape、关节名、frame 或 traceback 错误。`timeout` 到期的退出码 `124` 属于预期;
不得改用 `use_mock:=false`。
- [ ] **步骤 7:提交接入修改**
```bash
git add \
src/xr_rm_teleop/xr_rm_teleop/single_arm_velocity_teleop.py \
src/xr_rm_teleop/setup.py \
src/xr_rm_bringup/launch/arm_debug.launch.py
git commit -m "feat: 接入双 RM75 逆解模型"
```
### 任务五:更新文档并完成全量验证
**文件:**
- 修改:`README.md`
- [ ] **步骤 1:更新项目结构和模型说明**
在 README 的模型树中保留旧模型并增加:
```text
│ ├── rm75/ # 旧 RM75 模型资源(launch 不再选用)
│ ├── rm75_omnipicker/ # 旧单臂 OmniPicker 模型资源
│ └── dual_rm75/ # 当前左右臂统一使用的双 RM75 URDF 与网格
```
把“Placo 使用 `rm75_omnipicker` 和统一 `omnipicker_tcp`”段落替换为:
```markdown
Placo 使用 `xr_rm_teleop/models/dual_rm75/Dual_arm.urdf`。左右控制节点分别创建
独立求解器:左臂控制 `scissor_base_link` 到 `scissor_scissor_tcp`,右臂控制
`omnipic_base_link` 到 `omnipic_OmniPic_tcp`,并 mask 另一侧关节。节点目标仍在
各自局部基坐标系表达,不把现有 PICO 映射改为公共坐标系。
两侧局部 `-Y` 都指向机器人前方,工作空间在局部 `+Y` 后方只保留 `0.10 m`。
左臂局部 `+X/+Y/+Z` 分别向下/向后/向左外侧;右臂分别向上/向后/向右外侧。
真机工具坐标使用 URDF TCP:左臂硬件编号保持 `2`,实际选择的 `minisci` 工具
长度为 `0.165 m`;右臂编号保持 `1``omnipic` 工具长度为 `0.14 m`。
```
不要把“当前没有双臂碰撞检测”的安全提示改成已完成。
- [ ] **步骤 2:运行相关 Python 测试**
运行:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
pytest src/xr_rm_teleop/test/test_initial_joint_pose.py -v
pytest src/xr_rm_teleop/test/test_orientation_control.py -v
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_placo_transforms.py -v
```
预期:三个测试文件全部通过;真实 Placo 左右用例均执行。
- [ ] **步骤 3:重新构建工作空间**
运行:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
colcon build --symlink-install
```
预期:退出码 `0`。
- [ ] **步骤 4:重新运行最终 mock 验收**
运行:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
source install/setup.bash
timeout 15s ros2 launch xr_rm_bringup arm_debug.launch.py \
arm:=both use_mock:=true
```
预期:两个节点均启动且没有 traceback;退出码 `124` 仅由 `timeout` 产生。
- [ ] **步骤 5:检查最终范围和格式**
运行:
```bash
cd /home/robot/WS_xr/src
git diff --check
git status --short
git diff --stat
```
预期:无空白错误;变更仅包含本计划列出的求解器、测试、launch、安装、四份配置、
README 和 Superpowers 文档。
- [ ] **步骤 6:提交 README**
```bash
git add README.md
git commit -m "docs: 更新双 RM75 逆解说明"
```
## 完成标准
- 单臂和双臂 launch 均只选择安装空间中的 `dual_rm75/Dual_arm.urdf`。
- 左右节点是独立求解器实例,各自使用正确 base、TCP、q/v offset 和相对位姿任务。
- 当前侧小幅可达目标收敛,另一侧关节不漂移。
- 左臂硬件编号保持 `2`,实际工具 TCP 为 `0.165 m`;右臂编号保持 `1`TCP 为
`0.14 m`。
- 三份控制配置的局部 Y 范围为 `[-0.70, 0.10]`,其他安全参数不变。
- 相关测试、完整构建和 `arm:=both use_mock:=true` 启动验收取得新鲜证据。
- 未连接真机,未增加碰撞控制、依赖或无关重构。
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,406 @@
# RM75 双臂 J3 参考角仿真标定实施计划
> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
**Goal:** 使用当前双臂 URDF、Placo QP 和 MuJoCo 运动学模型运行可复现的左右臂 J3 参考角粗扫与细扫,并输出评分、稳定区间和推荐角度。
**Architecture:** 新增一个仅供离线实验使用的脚本,负责生成 18 条严格六维 TCP 轨迹、建立三类 QP 试验配置、运行候选角度扫描、计算硬门槛与并列评分,并生成 CSV/JSON/Markdown 结果。生产控制器、QP 求解器和 YAML 均不修改;测试只覆盖轨迹、评分和一个真实 Placo/MuJoCo 冒烟评估。
**Tech Stack:** Python 3.10、NumPy、Placo 0.9.4、MuJoCo 3.10、pytest、ROS2 Humble 工作空间。
---
## 文件结构
- 新增 `xr_rm_teleop/test/j3_reference_calibration.py`:离线轨迹生成、QP/MuJoCo 评估、评分、结果输出和命令行入口。
- 新增 `xr_rm_teleop/test/test_j3_reference_calibration.py`:轨迹端点、严格姿态插值、百分位评分、平台选择和真实模型冒烟测试。
- 生成 `docs/superpowers/results/2026-08-12-rm75-j3-calibration/summary.csv`:候选角度汇总。
- 生成 `docs/superpowers/results/2026-08-12-rm75-j3-calibration/trajectories.csv`:逐轨迹指标。
- 生成 `docs/superpowers/results/2026-08-12-rm75-j3-calibration/result.json`:机器可读结果。
- 生成 `docs/superpowers/results/2026-08-12-rm75-j3-calibration/report.md`:左右臂推荐角度、平台区间、基线对比和最差轨迹。
### Task 1:用失败测试固定轨迹与评分行为
**Files:**
- Create: `xr_rm_teleop/test/test_j3_reference_calibration.py`
- Create: `xr_rm_teleop/test/j3_reference_calibration.py`
- [ ] **Step 1:写轨迹生成失败测试**
测试使用以下公开接口:
```python
def build_task_trajectories(
initial_world_pose: np.ndarray,
control_rate_hz: float = 90.0,
max_linear_speed: float = 0.15,
max_angular_speed: float = 0.5,
) -> list[Trajectory]:
...
```
断言:
```python
def test_build_task_trajectories_creates_nine_strict_6d_routes() -> None:
initial = np.eye(4)
initial[:3, 3] = [0.35, 0.20, 0.10]
trajectories = build_task_trajectories(initial)
assert len(trajectories) == 9
assert {(route.harvest_y, route.harvest_z) for route in trajectories} == {
(y, z)
for y in (0.30, 0.40, 0.50)
for z in (-0.30, -0.20, -0.10)
}
for route in trajectories:
assert np.allclose(route.poses[0], initial)
assert np.allclose(route.poses[-1], initial)
basket = route.waypoints[5]
assert basket[0, 3] == pytest.approx(initial[0, 3])
assert basket[1, 3] == pytest.approx(initial[1, 3])
assert basket[2, 3] == pytest.approx(initial[2, 3] - 0.40)
assert basket[:3, 2] == pytest.approx([0.0, 0.0, -1.0], abs=1e-6)
```
- [ ] **Step 2:写评分和平台选择失败测试**
公开接口:
```python
def rank_candidates(rows: list[CandidateMetrics]) -> list[CandidateMetrics]:
...
def choose_stable_platform(
ranked: list[CandidateMetrics],
scan_step_deg: float,
) -> tuple[float, tuple[float, float]]:
...
```
测试构造三个硬门槛相同的候选,断言评分严格等于:
```python
score = (
0.45 * r_sigma
+ 0.20 * r_q4
+ 0.20 * r_elbow
+ 0.10 * r_smooth
+ 0.05 * r_track
)
```
并断言连续候选均达到最高分的 98% 时返回平台中点,而不是孤立端点。
- [ ] **Step 3:运行测试并确认按预期失败**
Run:
```bash
source /opt/ros/humble/setup.bash
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_j3_reference_calibration.py -q
```
Expected: FAIL,原因是 `j3_reference_calibration` 或公开函数尚不存在。
### Task 2:实现最小轨迹与评分模块
**Files:**
- Create: `xr_rm_teleop/test/j3_reference_calibration.py`
- Test: `xr_rm_teleop/test/test_j3_reference_calibration.py`
- [ ] **Step 1:实现旋转和 SE(3) 插值**
只使用 NumPy 和标准库:
```python
def rotation_angle(rotation: np.ndarray) -> float:
cosine = np.clip((np.trace(rotation) - 1.0) * 0.5, -1.0, 1.0)
return float(math.acos(cosine))
def rotation_vector(rotation: np.ndarray) -> np.ndarray:
angle = rotation_angle(rotation)
if angle <= 1e-12:
return np.zeros(3)
axis = np.array([
rotation[2, 1] - rotation[1, 2],
rotation[0, 2] - rotation[2, 0],
rotation[1, 0] - rotation[0, 1],
]) / (2.0 * math.sin(angle))
return axis * angle
def interpolate_pose(start: np.ndarray, end: np.ndarray, count: int) -> list[np.ndarray]:
relative = end[:3, :3] @ start[:3, :3].T
vector = rotation_vector(relative)
return [
make_pose(
start[:3, 3] + alpha * (end[:3, 3] - start[:3, 3]),
so3_exp(alpha * vector) @ start[:3, :3],
)
for alpha in np.linspace(0.0, 1.0, count + 1)[1:]
]
```
`rotation_vector` 对接近 180° 的情况使用特征向量兜底,避免工具朝下转换产生除零。
- [ ] **Step 2:实现九条本侧完整轨迹**
定义不可变数据类:
```python
@dataclass(frozen=True)
class Trajectory:
name: str
harvest_y: float
harvest_z: float
waypoints: tuple[np.ndarray, ...]
poses: tuple[np.ndarray, ...]
```
航点固定为:初始、预接近、采摘、预接近、筐上方、筐内、筐上方、初始。每段点数为:
```python
duration = max(
translation_distance / max_linear_speed,
rotation_distance / max_angular_speed,
)
steps = max(1, math.ceil(duration * control_rate_hz))
```
- [ ] **Step 3:实现百分位排名和并列评分**
同值获得同一百分位,单一取值获得 1.0。平滑性和跟踪排名分别定义为:
```python
r_smooth = 0.5 * rank_low(motion_cost) + 0.5 * rank_low(max_joint_speed)
r_track = 0.5 * rank_low(max_position_error) + 0.5 * rank_low(max_orientation_error)
```
硬门槛按 `(N_fail, -N_complete)` 字典序先筛选;只有满足位置误差、姿态误差、J4、
关节限位、速度和跳变条件的候选进入综合评分。
- [ ] **Step 4:运行测试确认通过**
Run:
```bash
source /opt/ros/humble/setup.bash
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_j3_reference_calibration.py -q
```
Expected: 轨迹与评分测试 PASS。
### Task 3:用失败测试固定真实 Placo/MuJoCo 单轨迹评估
**Files:**
- Modify: `xr_rm_teleop/test/test_j3_reference_calibration.py`
- Modify: `xr_rm_teleop/test/j3_reference_calibration.py`
- [ ] **Step 1:写真实模型冒烟失败测试**
接口:
```python
def evaluate_trajectory(
arm: str,
trajectory: Trajectory,
variant: Variant,
urdf_path: Path,
initial_joint_degrees: tuple[float, ...],
) -> TrajectoryMetrics:
...
```
使用左臂从初始 TCP 沿公共 `+Y` 移动 1 mm 的两点轨迹,断言:
```python
assert metrics.cycles == 2
assert metrics.failures == 0
assert math.isfinite(metrics.min_sigma)
assert metrics.min_q4_margin_deg > 0.0
assert metrics.max_position_error_m <= 2e-3
assert metrics.max_orientation_error_rad <= 5e-3
```
测试还将求得的七关节状态写入 `DualArmKinematicModel` 并断言按名称读回一致。
- [ ] **Step 2:运行冒烟测试并确认按预期失败**
Run:
```bash
source /opt/ros/humble/setup.bash
PYTHONPATH=src/xr_rm_teleop:src/xr_rm_mujoco \
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_j3_reference_calibration.py::test_evaluate_trajectory_uses_real_placo_and_mujoco -q
```
Expected: FAIL,原因是评估器尚未实现。
- [ ] **Step 3:实现三类 QP 变体**
```python
@dataclass(frozen=True)
class Variant:
name: str
q3_reference_deg: float | None
enable_manipulability: bool
q4_min_deg: float | None
```
- `original`:三个可选项均关闭;
- `manip_j4`:位置可操作度权重 `1e-4`J4 硬下限 10°;
- `q3_<angle>`:在 `manip_j4` 基础上加入 J3 软任务,权重 `1e-5`
J4 约束使用 Placo 0.9.4 的 `add_joint_space_half_spaces_constraint(A, b)`,构造
`-q4 <= -q4_min`。J3 使用 `add_joints_task()`;位置可操作度使用
`add_manipulability_task(tcp_frame, "position", 1.0)`
- [ ] **Step 4:实现逐周期评估与失败保持**
每个目标点前将上一有效关节状态同步给 Placo。求解失败时:
```python
failures += 1
solver.update_joint_state(last_valid_joints)
current_joints = last_valid_joints.copy()
```
不把失败后的 Placo 内部迭代状态带到下一周期。成功状态写入 MuJoCo,并记录六维
雅可比最小奇异值、J4 余量、肘部外展量、TCP 误差、关节速度和运动代价。
- [ ] **Step 5:运行全部标定脚本测试**
Run:
```bash
source /opt/ros/humble/setup.bash
PYTHONPATH=src/xr_rm_teleop:src/xr_rm_mujoco \
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_j3_reference_calibration.py -q
```
Expected: 全部 PASS。
### Task 4:运行粗扫、细扫并生成结果
**Files:**
- Modify: `xr_rm_teleop/test/j3_reference_calibration.py`
- Generate: `docs/superpowers/results/2026-08-12-rm75-j3-calibration/*`
- [ ] **Step 1:实现命令行和结果输出**
命令行:
```bash
python j3_reference_calibration.py \
--urdf <path> \
--config <dual_arm_rm75.yaml> \
--output-dir <directory> \
--phase coarse|fine|all
```
粗扫结束后对每侧选择最高分候选,在其 ±10°、原扫描边界内以 2° 细扫。CSV 使用
`csv.DictWriter`JSON 使用 `json.dump`,Markdown 报告由同一汇总对象生成,不新增依赖。
- [ ] **Step 2:运行完整仿真标定**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
PYTHONPATH=src/xr_rm_teleop:src/xr_rm_mujoco \
/home/robot/miniconda3/envs/xr/bin/python \
src/xr_rm_teleop/test/j3_reference_calibration.py \
--urdf src/xr_rm_teleop/models/dual_rm75/Dual_arm.urdf \
--config src/xr_rm_bringup/config/dual_arm_rm75.yaml \
--output-dir src/docs/superpowers/results/2026-08-12-rm75-j3-calibration \
--phase all
```
Expected: 左右臂粗扫和细扫完成;输出两个基线、全部候选、推荐角度和平台区间。
- [ ] **Step 3:检查结果完整性**
Run:
```bash
/home/robot/miniconda3/envs/xr/bin/python - <<'PY'
import json
from pathlib import Path
path = Path('src/docs/superpowers/results/2026-08-12-rm75-j3-calibration/result.json')
data = json.loads(path.read_text(encoding='utf-8'))
assert set(data['arms']) == {'left', 'right'}
for arm in data['arms'].values():
assert arm['coarse_candidates']
assert arm['fine_candidates']
assert arm['recommended_reference_deg'] is not None
assert len(arm['stable_interval_deg']) == 2
print('result integrity: OK')
PY
```
Expected: `result integrity: OK`
### Task 5:工作空间验证与结果复核
**Files:**
- Verify only.
- [ ] **Step 1:运行新增测试和相关现有测试**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
PYTHONPATH=src/xr_rm_teleop:src/xr_rm_mujoco \
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_j3_reference_calibration.py \
src/xr_rm_teleop/test/test_placo_transforms.py \
src/xr_rm_mujoco/test/test_dual_arm_simulator.py -q
```
Expected: 全部 PASS。
- [ ] **Step 2:按项目规则构建工作空间**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
colcon build --symlink-install
```
Expected: 相关 ROS2 包构建成功。
- [ ] **Step 3:运行姿态控制回归测试**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
pytest src/xr_rm_teleop/test/test_orientation_control.py -q
```
Expected: 全部 PASS。
- [ ] **Step 4:人工复核结果报告**
确认:
- 每侧确有 9 条完整轨迹;
- `original``manip_j4` 和 J3 候选均存在;
- 推荐角来自硬门槛通过集合;
- 平台选择符合 98% 规则;
- 报告明确列出失败轨迹,且没有把失败更多的候选排到前面;
- 没有修改生产控制器和 YAML。
@@ -0,0 +1,372 @@
# RM75 双臂采摘 QP 稳健性优化实施计划
> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
**Goal:** 在当前双臂严格六维遥操作链路中实现 QP 失败参考状态保持、J3 初始姿态软引导、J4 硬下限与软缓冲,以及按六维奇异值动态启用的可操作度任务。
**Architecture:** 保留 Placo 相对六维位姿主任务和下游关节速度/加速度限制。遥操作层将滤波结果作为候选值,只有 QP 求解和关节发送都成功后才提交;QP 求解器复用 Placo 现有 joints、half-space 和 manipulability 任务,不新增求解框架或依赖。
**Tech Stack:** Python 3.10、ROS2 Humble、Placo 0.9.4、NumPy、pytest、ament/colcon。
---
## 文件结构
- 修改 `xr_rm_teleop/xr_rm_teleop/single_arm_velocity_teleop.py`:QP 失败状态和笛卡尔参考状态提交。
- 修改 `xr_rm_teleop/xr_rm_teleop/placo_ik_solver.py`:J3、J4、动态六维可操作度和失败状态恢复。
- 修改 `xr_rm_teleop/test/test_joint_control.py`:失败不发送、不提交和发送失败保持测试。
- 修改 `xr_rm_teleop/test/test_placo_transforms.py`:辅助任务参数、激活函数和真实模型测试。
- 修改 `xr_rm_teleop/test/test_initial_joint_pose.py`:三份 YAML 的 QP 参数一致性测试。
- 修改 `xr_rm_bringup/config/dual_arm_rm75.yaml`:左右臂独立 QP 参数。
- 修改 `xr_rm_bringup/config/left_arm_rm75.yaml`:左臂 QP 参数。
- 修改 `xr_rm_bringup/config/right_arm_rm75.yaml`:右臂 QP 参数。
### Task 1:QP 失败时不提交笛卡尔参考状态
**Files:**
- Modify: `xr_rm_teleop/test/test_joint_control.py`
- Modify: `xr_rm_teleop/xr_rm_teleop/single_arm_velocity_teleop.py`
- [ ] **Step 1:修改 QP 失败测试并增加候选滤波测试**
把现有失败测试改为要求 `_solve_joint_target()` 返回 `None`,同时增加位置和姿态滤波只计算候选、不直接修改已提交状态的断言:
```python
def test_qp_failure_returns_none_and_keeps_last_known_good_target() -> None:
...
target = teleop._solve_joint_target(np.eye(4))
assert target is None
assert teleop._last_valid_joint_target == pytest.approx([0.1] * 7)
def test_target_filters_do_not_commit_candidate_state() -> None:
teleop = object.__new__(SingleArmVelocityTeleop)
teleop._filtered_target = [0.0, 0.0, 0.0]
teleop._filtered_orientation_target = np.eye(3)
teleop._target_filter_alpha = 0.5
teleop._target_filter_alpha_fast = 0.5
teleop._target_filter_fast_threshold_m = 1.0
teleop._orientation_filter_alpha = 0.5
position = teleop._filter_target([0.2, 0.0, 0.0])
orientation = teleop._filter_orientation_target(
_so3_exp(np.asarray([0.0, 0.0, 0.2]))
)
assert position == pytest.approx([0.1, 0.0, 0.0])
assert teleop._filtered_target == pytest.approx([0.0, 0.0, 0.0])
assert teleop._filtered_orientation_target == pytest.approx(np.eye(3))
assert np.linalg.norm(_so3_log(orientation)) == pytest.approx(0.1)
```
- [ ] **Step 2:运行新测试并确认按预期失败**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
PYTEST_DISABLE_PLUGIN_AUTOLOAD=1 PYTHONPATH=src/xr_rm_teleop:$PYTHONPATH \
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_joint_control.py \
-k 'qp_failure or target_filters_do_not_commit' -q
```
Expected: FAIL;当前失败路径仍返回旧关节数组,滤波函数会立即修改成员状态。
- [ ] **Step 3:实现最小失败保持逻辑**
修改 `_filter_target()``_filter_orientation_target()` 只返回候选值,不直接写成员。
修改 `_solve_joint_target()` 在异常时返回 `None`,成功时也不提前更新
`_last_valid_joint_target`。控制周期只在结果非空时发送,并在发送成功后统一提交:
```python
joint_target = self._solve_joint_target(target_pose)
sent = (
joint_target is not None
and self._send_joint_target(joint_target)
)
if sent:
self._last_valid_joint_target = list(joint_target)
self._filtered_target = list(filtered_target)
self._filtered_orientation_target = filtered_orientation.copy()
self._last_sent_target = sent_target
self._last_sent_orientation = sent_orientation.copy()
self._last_command_time = now
self._stop_sent = False
```
失败时不调用 `_send_joint_target()`,因此不会把旧关节保持动作伪装成新 QP 成功;已
存在的指令超时和反馈故障保持逻辑不改变。
- [ ] **Step 4:运行关节控制测试**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
PYTEST_DISABLE_PLUGIN_AUTOLOAD=1 PYTHONPATH=src/xr_rm_teleop:$PYTHONPATH \
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_joint_control.py -q
```
Expected: PASS。
### Task 2J3、J4 与动态六维可操作度
**Files:**
- Modify: `xr_rm_teleop/test/test_placo_transforms.py`
- Modify: `xr_rm_teleop/xr_rm_teleop/placo_ik_solver.py`
- [ ] **Step 1:写辅助任务激活和参数失败测试**
增加纯激活函数测试:
```python
def test_lower_margin_activation_is_clamped_and_linear() -> None:
assert _lower_margin_activation(0.05, 0.01, 0.04) == 0.0
assert _lower_margin_activation(0.025, 0.01, 0.04) == pytest.approx(0.5)
assert _lower_margin_activation(0.005, 0.01, 0.04) == 1.0
```
增加真实左右臂求解器测试,构造时传入:
```python
solver = PlacoIkSolver(
str(DUAL_URDF_PATH),
1.0 / 90.0,
arm,
j3_reference_deg=j3_reference_deg,
j3_weight=1e-5,
j4_min_deg=10.0,
j4_warn_deg=25.0,
j4_weight=1e-4,
manipulability_sigma_stop=0.01,
manipulability_sigma_warn=0.04,
manipulability_weight=1e-4,
)
```
断言 J3 任务目标等于该侧参考角、J4 half-space 为 `-q4 <= -10°`,六维雅可比为
`6x7` 且奇异值有限。
- [ ] **Step 2:运行新测试并确认按预期失败**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
PYTEST_DISABLE_PLUGIN_AUTOLOAD=1 PYTHONPATH=src/xr_rm_teleop:$PYTHONPATH \
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_placo_transforms.py \
-k 'lower_margin_activation or auxiliary_qp_tasks' -q
```
Expected: FAIL;激活函数和构造参数尚不存在。
- [ ] **Step 3:实现 Placo 辅助任务**
新增 `_lower_margin_activation(value, stop, warn)`,并在构造器中验证有限参数及
`j4_warn > j4_min``sigma_warn > sigma_stop > 0`。复用 Placo 原生接口:
```python
self._j3_task = self._solver.add_joints_task()
self._j3_task.set_joints({self._joint_names[2]: np.deg2rad(j3_reference_deg)})
self._j3_task.configure("j3_reference", "soft", j3_weight)
self._j4_task = self._solver.add_joints_task()
self._j4_task.set_joints({self._joint_names[3]: np.deg2rad(j4_warn_deg)})
matrix = np.zeros((1, self._robot.state.q.size))
matrix[0, self._q_offsets[3]] = -1.0
self._j4_constraint = self._solver.add_joint_space_half_spaces_constraint(
matrix,
np.asarray([-np.deg2rad(j4_min_deg)]),
)
self._j4_constraint.configure("j4_lower_bound", "hard")
self._manipulability_task = self._solver.add_manipulability_task(
self._tcp_frame,
"both",
1.0,
)
```
每次数值迭代前,从 `frame_jacobian(..., "local_world_aligned")` 的当前臂 `6x7`
雅可比计算 `sigma_min`。J4 和可操作度任务分别使用线性夹紧激活系数重新配置软权重;
J3 权重使用节点传入的左右臂独立配置。启用 Placo 原生关节限位,保留现有速度限位
和结果校验。
- [ ] **Step 4:失败时恢复 Placo 到实际关节反馈**
`solve()` 入口保存实际关节状态;任何求解异常或 30 次未收敛时,将活动臂关节
恢复到 `_actual_joints` 并更新运动学后重新抛出异常。测试制造不收敛,断言内部活动
关节未停留在失败迭代结果。
- [ ] **Step 5:运行 Placo 测试**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
PYTEST_DISABLE_PLUGIN_AUTOLOAD=1 PYTHONPATH=src/xr_rm_teleop:$PYTHONPATH \
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_placo_transforms.py -q
```
Expected: PASS。
### Task 3:同步节点和三份控制配置
**Files:**
- Modify: `xr_rm_teleop/test/test_initial_joint_pose.py`
- Modify: `xr_rm_teleop/xr_rm_teleop/single_arm_velocity_teleop.py`
- Modify: `xr_rm_bringup/config/dual_arm_rm75.yaml`
- Modify: `xr_rm_bringup/config/left_arm_rm75.yaml`
- Modify: `xr_rm_bringup/config/right_arm_rm75.yaml`
- [ ] **Step 1:写三份 YAML 一致性失败测试**
扩展现有 YAML 参数化测试,断言左右臂分别为:
```python
expected = {
"left": {
"qp_j3_reference_deg": 67.96,
"qp_j3_weight": 1e-5,
},
"right": {
"qp_j3_reference_deg": -89.57,
"qp_j3_weight": 1e-4,
},
}
shared = {
"qp_j4_min_deg": 10.0,
"qp_j4_warn_deg": 25.0,
"qp_j4_weight": 1e-4,
"qp_manipulability_sigma_stop": 0.01,
"qp_manipulability_sigma_warn": 0.04,
"qp_manipulability_weight": 1e-4,
}
```
同时断言单臂 YAML 与双臂同侧节点值一致。
- [ ] **Step 2:运行配置测试并确认按预期失败**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
PYTEST_DISABLE_PLUGIN_AUTOLOAD=1 PYTHONPATH=src/xr_rm_teleop:$PYTHONPATH \
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_initial_joint_pose.py -q
```
Expected: FAILQP 参数尚未写入 YAML。
- [ ] **Step 3:声明、读取并传入 QP 参数**
节点声明上述八个 `qp_*` 参数,进行有限性和大小关系验证,并作为关键字参数传入
`PlacoIkSolver`。三份 YAML 同步写入相同共享参数,J3 只按左右臂设置不同参考角;
不修改 `configure_safety_limits``move_to_initial_pose_on_connect`
- [ ] **Step 4:运行配置和遥操作姿态测试**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
PYTEST_DISABLE_PLUGIN_AUTOLOAD=1 PYTHONPATH=src/xr_rm_teleop:$PYTHONPATH \
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_initial_joint_pose.py \
src/xr_rm_teleop/test/test_orientation_control.py -q
```
Expected: PASS。
### Task 4:完整验证和本地提交
**Files:**
- Verify all modified files.
- [ ] **Step 1:运行遥操作包测试**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
PYTEST_DISABLE_PLUGIN_AUTOLOAD=1 PYTHONPATH=src/xr_rm_teleop:$PYTHONPATH \
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test -q
```
Expected: 全部 PASS,无失败。
- [ ] **Step 2:运行真实 URDF 左右臂 QP 冒烟测试**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
PYTHONPATH=src/xr_rm_teleop:$PYTHONPATH /home/robot/miniconda3/envs/xr/bin/python \
src/xr_rm_teleop/test/placo_ik_smoke.py \
src/xr_rm_teleop/models/dual_rm75/Dual_arm.urdf
```
Expected: 左右臂保持位姿漂移和 1 cm 六维 QP 冒烟断言均通过。
- [ ] **Step 3:构建 ROS2 工作空间**
Run:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
colcon build --symlink-install
```
Expected: 所有工作空间包构建成功。
- [ ] **Step 4:检查差异与安全配置**
Run:
```bash
cd /home/robot/WS_xr/src
git diff --check
git diff --stat
rg -n "configure_safety_limits: true|move_to_initial_pose_on_connect: false" \
xr_rm_bringup/config/{dual_arm_rm75,left_arm_rm75,right_arm_rm75}.yaml
```
Expected: 无空白错误,三份配置继续保留安全设置。
- [ ] **Step 5:创建本地提交**
规格文档和实施计划必须在同一个本地提交中;实现与测试一并纳入该提交,避免文档和
代码版本不一致:
```bash
git add \
docs/superpowers/specs/2026-08-13-rm75-qp-robustness-design.md \
docs/superpowers/plans/2026-08-13-rm75-qp-robustness.md \
xr_rm_teleop/xr_rm_teleop/placo_ik_solver.py \
xr_rm_teleop/xr_rm_teleop/single_arm_velocity_teleop.py \
xr_rm_teleop/test/test_joint_control.py \
xr_rm_teleop/test/test_placo_transforms.py \
xr_rm_teleop/test/test_initial_joint_pose.py \
xr_rm_bringup/config/dual_arm_rm75.yaml \
xr_rm_bringup/config/left_arm_rm75.yaml \
xr_rm_bringup/config/right_arm_rm75.yaml
git commit -m "feat: 优化双臂采摘QP稳健性"
```
禁止 `git push`、合并分支或连接真机。
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,73 @@
# 手柄主键回初始位姿设计
## 背景与目标
有线连接已基本解决 UDP 超时和逆解失败问题。本次只增加一个明确操作:
点击当前机械臂对应手柄的主键,使该机械臂按已配置的关节角回到初始位姿。
- 右臂模式:右手 A 键控制右臂,左手 X 键无效。
- 左臂模式:左手 X 键控制左臂,右手 A 键无效。
- 双臂模式:右手 A 键控制右臂,左手 X 键控制左臂。
## 最小方案
`XrController.primary` 已表示左手 X 键或右手 A 键。每个遥操作节点继续只订阅
自身的手柄话题,并在 `primary` 上升沿调用适配器的初始位姿运动:
```text
左手 X → /xr/left_controller → left_arm_teleop → 左臂初始位姿
右手 A → /xr/right_controller → right_arm_teleop → 右臂初始位姿
```
单臂模式只启动对应节点,因此另一只手柄天然无效;双臂模式下两个节点独立处理,
无需新增协调节点、话题、服务或配置项。
## 运动与安全行为
- 只在按键从未按下变为按下时触发,持续按住不重复执行。
- 回位前调用现有安全停止逻辑,退出当前相对位姿遥操作。
- 使用更新后的 `initial_joint_pose` 和现有 `init_move_speed`
- 复用现有 `rm_movej(..., block=1)` 阻塞运动,完成后重新同步关节状态和 QP 状态。
- 回位后必须先松开 Grip,才能重新进入遥操作。
- 回位失败时记录错误并保持停止,不自动重试。
- mock 模式只更新模拟关节状态,不导入或调用厂商 SDK。
## 初始位姿配置
关节角单位沿用现有 YAML,均为度:
- 左臂:`[-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55]`
- 右臂:`[-86.10, 22.80, -89.57, 93.98, -91.82, -87.32, -89.35]`
`left_arm_rm75.yaml` 使用左臂值,`right_arm_rm75.yaml` 使用右臂值;
`dual_arm_rm75.yaml` 中左右节点分别使用对应值。三个文件中的 IP、坐标映射、
工作空间、安全限制及其他控制参数保持不变。
## 代码范围
-`realman_adapter.py` 为真机和 mock 提供同名的公开回位方法,真机实现复用现有
私有初始位姿运动代码。
-`single_arm_velocity_teleop.py` 的现有手柄回调中增加主键上升沿处理。
- 在现有测试文件中增加最小的适配器回位和按键边沿测试。
- 同步 `left_arm_rm75.yaml``right_arm_rm75.yaml``dual_arm_rm75.yaml` 中的
`initial_joint_pose`
不修改消息定义、UDP 输入节点、launch、三个 YAML 中的其他参数、安全限位或
夹爪控制。
## 验证
- 测试主键首次按下触发一次,持续按住不重复触发,松开后可以再次触发。
- 测试 mock 回位后恢复配置的初始关节角。
- 测试真机适配器仍只调用既有的关节运动命令;测试使用假 SDK 对象,不连接真机。
- 检查单臂和双臂配置中的左右初始位姿与上述值一致。
-`/home/robot/WS_xr` 执行:
```bash
source /opt/ros/humble/setup.bash
python3 -m pytest src/xr_rm_teleop/test/test_initial_joint_pose.py
python3 -m pytest src/xr_rm_teleop/test/test_orientation_control.py
colcon build --symlink-install
```
全部验证使用 mock 或假对象,不连接真机、不移动机械臂、不操作夹爪。
@@ -0,0 +1,180 @@
# 双 RM75 逆解模型替换设计
## 背景与目标
当前左右遥操作节点都加载单臂 `rm75_omnipicker` URDF,求解器将 7 个关节名、
`q[7:14]``omnipicker_tcp` 写死。项目新增的
`xr_rm_teleop/models/dual_rm75/Dual_arm.urdf` 包含真实双臂布局:物理左臂为
scissor 分支,物理右臂为 omnipic 分支,主要活动区域位于机器人前方。
本次变更目标是:
- 单臂和双臂调试都加载同一份 `dual_rm75` 模型;
- 左右节点继续独立控制各自的 RM75,只求解当前侧 7 个关节;
- 保留左右臂各自的局部控制坐标系和现有 PICO 映射;
- 使用 URDF 中的 TCP 长度,并同步真机外设工具坐标;
- 把局部后方工作空间余量限制为 `0.10 m`
- 保留现有速度、工作空间、圆柱、超时和安全停止逻辑。
本次不增加双臂碰撞规避、公共坐标系目标、双臂协同任务,不合并左右控制节点,
也不连接或移动真机。
## 方案选择
采用“完整双臂 URDF + 两个独立局部相对位姿任务”。
未采用以下方案:
1. 公共坐标系绝对位姿任务:需要重写 PICO 映射和现有安全限位,改动范围过大。
2. 从双臂模型拆出两份单臂 URDF:会产生重复模型和后续同步风险。
## 坐标系与控制语义
`dual_arm_base_link` 是完整模型的公共根坐标系。左右控制节点仍以各自机械臂基座
作为控制和安全坐标系:
| 机械臂 | 局部基坐标系 | TCP | 活动关节 |
|---|---|---|---|
| 左臂 | `scissor_base_link` | `scissor_scissor_tcp` | `scissor_joint_1``scissor_joint_7` |
| 右臂 | `omnipic_base_link` | `omnipic_OmniPic_tcp` | `omnipic_joint_1``omnipic_joint_7` |
以公共坐标系 `+X` 向机器人右侧、`+Y` 向前、`+Z` 向上为参照,URDF 中局部轴
朝向如下:
| 局部轴 | 左臂 `scissor_base_link` | 右臂 `omnipic_base_link` |
|---|---|---|
| `+X` | 向下 | 向上 |
| `+Y` | 向后 | 向后 |
| `+Z` | 向左、远离机身 | 向右、远离机身 |
| `-Y` | 向前 | 向前 |
现有左右 `xr_to_robot_matrix` 继续把 PICO 相对位置和相对旋转映射到对应局部基
坐标系。节点产生的目标仍是 `T_base_tcp`,不显式转换成
`dual_arm_base_link` 下的绝对目标。
## 求解器设计
左右节点使用同一个 `PlacoIkSolver` 类,但每个节点创建自己的求解器实例、机器人
状态和 QP 任务。两个实例都加载完整 `Dual_arm.urdf`,不共享可变状态。
求解器构造时接收 `arm=left|right`,按固定映射选择局部基坐标系、TCP、当前侧
关节和另一侧关节。每个实例执行以下设置:
1. 使用 `mask_fbase(True)` 固定 Placo 浮动基座;
2. mask 另一侧全部 7 个关节;
3. 使用 Placo 原生
`add_relative_frame_task(base_frame, tcp_frame, target)` 创建局部 TCP 任务;
4. 保留速度限制、动能正则化、最多 30 次有界迭代和现有收敛阈值。
双臂模型的 Placo 状态为 21 个 q 分量:7 个浮动基座分量、右臂 7 个关节、
左臂 7 个关节。求解器不再使用固定 `q[7:14]`,而是通过当前侧关节名查询:
- `get_joint_offset()`:定位实际关节反馈和逆解结果在 q 中的位置;
- `get_joint_v_offset()`:定位对应的 URDF 关节速度上限。
当前 URDF 中右臂 q/v offset 分别为 `713`/`612`,左臂分别为
`1420`/`1319`;实现仍通过名称查询并对这些预期结果做回归测试。
查询 offset 不放宽模型校验。求解器仍检查完整左右关节集合、当前侧恰好 7 个关节、
offset 唯一有效,以及所需 base 和 TCP 均存在。
`update_joint_state()` 只写入当前侧 7 个关节反馈,并返回当前 TCP 相对当前侧基座的
`T_base_tcp``solve()` 接受相同坐标语义的目标,设置相对位姿任务并只返回当前侧
7 个关节结果。另一侧关节保持 mask,不参与本实例求解。
## 启动、安装与配置
`arm_debug.launch.py``arm:=left|right|both` 全部使用:
```text
xr_rm_teleop/models/dual_rm75/Dual_arm.urdf
```
双臂模式继续保留 `left_arm_teleop``right_arm_teleop` 节点名,`use_mock` 默认
保持 `true``setup.py` 安装 `Dual_arm.urdf` 以及 `dual_rm75/meshes` 中现有的
`.STL``.stl` 文件,不新增依赖。
三份控制配置的局部工作空间统一为:
```yaml
workspace_min: [-0.70, -0.70, 0.10]
workspace_max: [0.70, 0.10, 0.75]
```
其中两侧局部 `-Y` 都是机器人前方,`+Y` 后方最多保留 `0.10 m` 余量。其他工作
空间轴、圆柱限位、线速度、角速度、关节速度、关节加速度和指令超时参数不变。
真机外设配置采用 URDF TCP 长度,但保留当前硬件选择编号:
```yaml
tools_in_ee:
scissor:
pose: [0.0, 0.0, 0.19, 0.0, 0.0, 0.0, 1.0]
omnipic:
pose: [0.0, 0.0, 0.14, 0.0, 0.0, 0.0, 1.0]
minisci:
pose: [0.0, 0.0, 0.165, 0.0, 0.0, 0.0, 1.0]
arms:
left:
scissorgripper: 2
right:
scissorgripper: 1
```
左臂保留编号 `2`,继续使用控制器 DO3/DO4;该编号按当前配置顺序选中
`minisci` 工具坐标,因此更新 `minisci.pose.z`。右臂编号 `1` 继续选中
`omnipic`。URDF 的左分支名 `scissor_*` 与真机外设编号/配置键是两套既有命名,
不据此改写硬件编号。两侧负载参数和未选中 `scissor.pose` 保持不变。
README 同步说明新模型路径、左右分支/TCP、局部坐标轴和前方工作区。
## 校验与故障处理
模型路径、arm、关节、frame 或 offset 校验失败时,节点在创建 RealMan 适配器前
终止启动,不连接真机。
运行期间保留现有行为:
- 关节反馈必须包含 7 个有限数值;
- TCP 目标必须是有限、合法的齐次变换和旋转矩阵;
- QP 结果必须满足当前侧 URDF 关节位置和单周期速度限制;
- QP 不收敛时保持上一组有效关节目标;
- 反馈异常、反馈超时、XR 超时、Grip 松开和节点退出时执行现有安全停止;
- `configure_safety_limits` 保持 `true`
- `move_to_initial_pose_on_connect` 默认保持 `false`
完整 URDF 虽包含两臂碰撞几何,本次不启用碰撞约束。真机验证不在本次执行范围;
后续首次真机验证必须分别验证两臂并保持物理隔离。
## 测试与验收
采用现有 pytest、Placo 0.9.4 和 ROS2 构建流程,不新增测试框架。
自动化测试覆盖:
- 双臂 URDF 的 14 个活动关节、base、TCP、固定挂载和 TCP 长度;
- 左右实例选择正确的关节、q/v offset 和相对任务 frame
- 当前实例只更新和返回本侧 7 个关节,另一侧保持不动;
- 左右初始关节反馈能得到有限的局部 `T_base_tcp`
- 左右小幅可达目标能够收敛,结果满足位置、姿态和关节限制;
- 非法目标、未初始化求解和不收敛故障路径;
- 左臂编号 `2` 实际选择 `minisci` 且 TCP 为 `0.165 m`
- 右臂编号 `1` 实际选择 `omnipic` 且 TCP 为 `0.14 m`
- 三份配置的局部 Y 上界均为 `0.10 m`
所有命令在 `/home/robot/WS_xr` 执行,并先加载 ROS2 Humble
```bash
source /opt/ros/humble/setup.bash
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_teleop/test/test_placo_transforms.py -v
pytest src/xr_rm_teleop/test/test_orientation_control.py
colcon build --symlink-install
source install/setup.bash
timeout 15s ros2 launch xr_rm_bringup arm_debug.launch.py \
arm:=both use_mock:=true
```
最后一条命令只验证安装空间中的新模型能被两个 mock 节点加载;`timeout` 到期退出
属于预期。整个验收过程不得使用 `use_mock:=false`
@@ -0,0 +1,249 @@
# 双臂 MuJoCo 运动学遥操作设计
## 背景与目标
当前项目已经通过 PICO/XR 手柄、两个独立的单臂遥操作节点和 Placo QP 完成双
RM75 遥操作。左右节点共同加载
`xr_rm_teleop/models/dual_rm75/Dual_arm.urdf`,但现有 `use_mock:=true` 只在内存中
保存关节状态,没有可视化模型。
本次变更增加一个独立的 MuJoCo 运动学仿真包,使双臂在不连接真机时可以由 PICO
遥操作并可视化,也允许连接真机时把实际关节反馈同步显示在 MuJoCo 中。仿真用于更
方便地观察和改进现有 QP 算法,不替代现有控制与安全链路。
首版目标:
- 直接加载现有双臂 URDF,保持它是唯一模型源;
- 复用现有 PICO 输入、目标生成、工作空间限制和 Placo QP;
- 使用一个 MuJoCo 进程显示完整 14 关节双臂模型;
- 无真机时显示 Mock 关节状态,连接真机时显示实际关节反馈;
- 支持 Mock 模式下用左手 X、右手 A 立即 Reset 对应机械臂;
- 保持当前 mock、真机和夹爪功能的默认行为不变。
首版不实现 MuJoCo 动力学、执行器、接触、碰撞约束、双臂协同 QP、轨迹记录或
MuJoCo 对真机的任何控制。
## 目录与包边界
新增独立的 `ament_python``xr_rm_mujoco`,运行配置仍统一由
`xr_rm_bringup` 管理:
```text
src/
├── xr_rm_mujoco/
│ ├── package.xml
│ ├── setup.py
│ ├── setup.cfg
│ ├── resource/
│ │ └── xr_rm_mujoco
│ ├── xr_rm_mujoco/
│ │ ├── __init__.py
│ │ └── dual_arm_simulator.py
│ └── test/
│ └── test_dual_arm_simulator.py
├── xr_rm_bringup/
│ ├── config/
│ │ ├── dual_arm_rm75.yaml
│ │ └── dual_arm_mujoco.yaml
│ └── launch/
│ └── arm_debug.launch.py
└── xr_rm_teleop/
├── models/
│ └── dual_rm75/
│ └── Dual_arm.urdf
└── xr_rm_teleop/
└── single_arm_velocity_teleop.py
```
各部分职责:
- `xr_rm_mujoco` 只加载模型、接收关节状态、更新 MuJoCo `qpos` 和刷新画面;
- `xr_rm_teleop` 继续负责 PICO 映射、目标滤波、安全限幅、QP 和适配器选择,只
增加关节目标及当前关节状态发布;
- `xr_rm_bringup` 保持唯一遥操作 launch 入口,并保存 MuJoCo 运行参数;
- `Dual_arm.urdf` 和现有 meshes 保持原位置,不复制或生成持久化 MJCF;
- 不拆出新的 description 包,不增加第二套遥操作实现。
## 模型与 MuJoCo 更新方式
`dual_arm_simulator` 从安装空间解析
`xr_rm_teleop/models/dual_rm75/Dual_arm.urdf`,MuJoCo 直接加载该文件及其相对路径
网格。节点按 URDF 关节名称查找 MuJoCo qpos 地址,不写死 14 个数组下标。
左右首帧合法关节状态到达后,节点把状态写入相应 `qpos`,调用 `mj_forward()`
更新运动学,再由被动 viewer 显示。首版不调用 `mj_step()` 推进动力学,MuJoCo
不会生成控制量或新的关节运动。
画面按 `60 Hz` 刷新。`xr_rm_bringup/config/dual_arm_mujoco.yaml` 首版只包含:
```yaml
dual_arm_simulator:
ros__parameters:
render_rate_hz: 60.0
```
初始关节角不在该文件中重复配置。
## ROS 话题与状态来源
左右遥操作节点使用标准 `sensor_msgs/msg/JointState` 发布:
| 话题 | 内容 |
|---|---|
| `/xr_rm/left_rm75/joint_states` | 左臂当前适配器反馈 |
| `/xr_rm/right_rm75/joint_states` | 右臂当前适配器反馈 |
| `/xr_rm/left_rm75/joint_target` | 左臂经关节限速后实际下发的目标 |
| `/xr_rm/right_rm75/joint_target` | 右臂经关节限速后实际下发的目标 |
MuJoCo 只订阅两个 `joint_states` 话题。`joint_target` 用于后续记录和比较,不驱动
MuJoCo。消息必须携带对应侧完整的 7 个关节名称和位置,MuJoCo 按名称映射,不能
依赖消息数组顺序。
状态来源由现有 `use_mock` 唯一决定:
```text
use_mock:=true
PICO → Placo QP → MockRealManAdapter → joint_states → MuJoCo
use_mock:=false
PICO → Placo QP → RealManAdapter → 真机
真机实时反馈 → joint_states → MuJoCo
```
每个遥操作节点只创建一种适配器。真机连接或反馈失败时不得创建、切换或回退到
Mock。MuJoCo 不需要独立的状态来源参数;同一状态话题发现多个发布者时输出明确
报警,防止同时运行两套 launch 造成状态混合。
## 更新频率
两侧 `dual_arm_rm75.yaml``control_rate_hz` 均为 `90.0`
- Mock 模式:Mock 状态在遥操作节点的 `90 Hz` 控制周期中读取并发布,MuJoCo
名义关节接收频率为 `90 Hz`
- 真机模式:RealMan 的 `realtime_push_cycle_ms: 5` 使适配器原始反馈名义频率为
`200 Hz`,遥操作节点在 `90 Hz` 控制周期取最新快照并发布,因此 MuJoCo 名义
关节接收频率仍为 `90 Hz`
- 画面独立按 `render_rate_hz: 60.0` 刷新,每帧显示当时最新的 14 关节状态。
以上是名义频率,实际频率会受系统调度影响,运行时使用 `ros2 topic hz` 检查。
## 初始姿态与 A/X Reset
`dual_arm_rm75.yaml` 继续作为双臂初始姿态和控制限制的唯一配置源。Mock 适配器
创建时已经读取对应节点的 `initial_joint_pose`,将角度转换成弧度并作为初始关节
状态。左右遥操作节点初始化完成后立即各发布一帧状态,因此无真机 MuJoCo 的默认
姿态就是 YAML 中的左右初始姿态。
现有 `XrController.primary` 和按键上升沿逻辑继续复用:
```text
左手 X → 左臂立即 Reset 到左臂 initial_joint_pose
右手 A → 右臂立即 Reset 到右臂 initial_joint_pose
同时按 X、A → 双臂分别立即 Reset
```
Mock Reset 不生成平滑轨迹,而是立即更新对应 7 个关节并发布新状态。Reset 前先
退出旧的相对位姿控制;如果 Grip 仍保持按下,下一控制周期使用“当前手柄姿态 +
Reset 后机械臂姿态”自动建立新基准,随后可以继续遥操作,不要求先松开 Grip,
也不能沿用 Reset 前的相对位姿基准。
真机的 A/X 回位行为保持现状:调用 RealMan 初始位姿运动,完成后重新同步反馈,
并要求先松开 Grip 才能重新使能。该差异只由 `use_mock` 决定。
三份 RM75 配置中的 `move_to_initial_pose_on_connect` 默认继续保持 `false`。MuJoCo
初始显示和按键 Reset 都不依赖该开关,连接真机时不得默认自动移动双臂。
## 控制限制与安全隔离
Mock + MuJoCo 继续执行 `dual_arm_rm75.yaml` 中现有的软件控制约束:
- `workspace_min``workspace_max``cyl_radius_limit` 和低位圆柱限制;
- `max_linear_speed``max_orientation_speed`
- `joint_max_speed``joint_max_acc`
- Placo 的关节位置、速度和求解收敛检查;
- Grip 运动门控、XR/反馈超时、QP 失败保持和安全停止。
MuJoCo 直接显示已经受限的离散关节状态,本身不额外模拟连续动力学。
`max_line_speed``max_angular_speed``max_line_acc``max_angular_acc` 以及
`configure_safety_limits` 是 RealMan 控制器配置,只在真机适配器中调用;这不影响
上述对 Mock 同样生效的软件限位。
MuJoCo 节点只订阅状态,不发布机器人控制指令,不导入 RealMan SDK,也不创建新的
RealMan 连接。MuJoCo 启动失败、运行异常或窗口关闭不得改变真机命令、安全停止或
夹爪行为。
## 启动设计
继续使用唯一入口 `xr_rm_bringup/launch/arm_debug.launch.py`,增加默认关闭的
`use_mujoco` 参数:
| `use_mock` | `use_mujoco` | 行为 |
|---|---|---|
| `true` | `false` | 现有内存 Mock,无 MuJoCo |
| `true` | `true` | Mock + MuJoCo 双臂显示 |
| `false` | `false` | 现有双臂真机遥操作 |
| `false` | `true` | 双臂真机遥操作 + 实际反馈同步显示 |
`use_mujoco` 不参与适配器选择。首版只接受
`arm:=both use_mujoco:=true`,避免单臂启动时另一侧状态和初始姿态不明确。
无真机使用方式:
```bash
ros2 launch xr_rm_bringup arm_debug.launch.py \
arm:=both use_mock:=true use_mujoco:=true
```
真机同步显示方式:
```bash
ros2 launch xr_rm_bringup arm_debug.launch.py \
arm:=both use_mock:=false use_mujoco:=true
```
第二条命令会连接并控制真机,只能在完成现有真机安全检查后使用。所有自动化和首次
集成验收只运行 `use_mock:=true`
MuJoCo 进程使用项目现有的 XR Conda Python,因为本机 MuJoCo 与 Placo 均安装在
该环境中。未启用 `use_mujoco` 时不启动或导入 MuJoCo,新包不能让现有 mock 模式
强制依赖厂商 SDK。
## 校验与异常处理
- URDF、网格或 MuJoCo 加载失败:MuJoCo 节点明确报错并退出,现有遥操节点不改变;
- 收到关节缺失、重复、数量错误或包含 NaN/Inf 的消息:拒绝整帧并保持上一姿态;
- 尚未收齐左右首帧状态:等待并报告缺失侧,不把零位姿冒充有效初始姿态;
- 任一侧状态暂时中断:保持该侧最后有效姿态,不生成运动、不切换来源;
- 同一状态话题存在多个发布者:输出明确报警;
- viewer 关闭:只结束 MuJoCo 显示,不触发或改变机器人运动。
## 测试与验收
使用现有 pytest、ROS2 Humble 和 colcon,不增加测试框架,不连接真机。
最小自动化覆盖:
- MuJoCo 可以直接加载现有双臂 URDF;
- 14 个活动关节名称与左右 qpos 映射正确,消息顺序变化不会串臂;
- YAML 初始角度经 Mock 转换后能正确写入 MuJoCo
- 非法关节消息不会部分污染当前状态;
- Mock A/X Reset 后回到对应 YAML 姿态;
- Reset 时 Grip 保持按下能够重新锚定并继续控制;
- 真机路径仍保留 Grip 松开后重新使能要求;
- `use_mujoco` 默认关闭,现有三种 mock/真机启动行为不变。
在工作空间根目录执行:
```bash
cd /home/robot/WS_xr
source /opt/ros/humble/setup.bash
/home/robot/miniconda3/envs/xr/bin/python -m pytest \
src/xr_rm_mujoco/test/test_dual_arm_simulator.py -v
pytest src/xr_rm_teleop/test/test_joint_control.py -v
pytest src/xr_rm_teleop/test/test_orientation_control.py -v
colcon build --symlink-install
```
构建后只用 Mock 启动并通过 PICO 或 sample UDP 检查:左右模型初始姿态、独立运动、
A/X Reset、Reset 后继续遥操作、话题频率和关闭 viewer 后遥操作节点状态。不得在
自动化验收中使用 `use_mock:=false`
@@ -0,0 +1,245 @@
# RM75 双臂 J3 参考角仿真标定设计
## 1. 目标
在不连接真机、不修改现有生产控制参数的前提下,基于当前双臂 URDF、Placo QP
求解器和 MuJoCo 运动学模型,分别标定左臂与右臂的第三关节软引导参考角:
\[
q_{3,\mathrm{ref}}^{L,*},\qquad q_{3,\mathrm{ref}}^{R,*}。
\]
标定结果只作为当前机器人初始姿态、采摘区域、工具安装和本侧收集筐布局下的
仿真初值。后续必须通过 mock 完整控制链路和真机低速试验复验,允许根据实测结果
更新参数。
## 2. 范围
本轮只做离线参数标定:
- 左右臂分别从当前 YAML 初始关节姿态出发;
- 左臂放入左臂初始 TCP 下方约 40 cm 的本侧收集筐;
- 右臂放入右臂初始 TCP 下方约 40 cm 的本侧收集筐;
- 每个轨迹点同时指定 TCP 位置与姿态,保持严格六维跟踪;
- 第四关节下限暂定左右臂均为 10°;
- 使用现有 Placo 任务接口临时加入 J3 软任务和位置可操作度任务;
- 将每个有效关节结果同步写入现有 MuJoCo 双臂模型,检查关节映射和状态有效性;
- 输出候选角度的逐轨迹指标、汇总排名和推荐平台区间。
本轮不修改 `placo_ik_solver.py`、遥操作节点或 YAML,不测试真机,不加入任务阶段
状态机、自动姿态放松、碰撞规划或新依赖。
## 3. 坐标与姿态约定
- 双臂机器人公共坐标系 `+Y` 为正前方;
- 公共坐标系 `+Z` 为机器人垂直向上;
- 左右方向使用公共坐标系 `X`
- 采摘点保持对应机械臂初始 TCP 的横向 `X` 位置;
- 采摘与退出阶段保持初始 TCP 姿态;
- 从退出点移动到收集筐上方时,TCP 姿态采用四元数球面插值,平滑旋转为工具工作
轴沿公共坐标系 `-Z`
- 收集筐上方至筐内的垂直下降段保持工具朝下姿态;
- 返回初始位姿时平滑恢复初始 TCP 姿态。
“严格六维”表示每个时刻的位置和姿态目标均参与同一 QP,仿真不会因接近奇异点
而自动降低姿态权重。
## 4. 轨迹族
### 4.1 采摘点
每条机械臂使用 3 个前向距离和 3 个高度:
\[
y_h\in\{0.30,0.40,0.50\}\ \mathrm{m},
\]
\[
z_h\in\{-0.30,-0.20,-0.10\}\ \mathrm{m}。
\]
这些点位于用户给定的前方 30~50 cm、相对机械臂基座高度 ±50 cm 范围内,并且
是当前固定初始工具姿态下离线预扫描得到的主要可解高度区间。左右臂各 9 条轨迹,
共 18 条完整轨迹。
### 4.2 单条完整轨迹
每条轨迹由以下连续段组成:
1. 初始 TCP 位姿;
2. 采摘点前方 5 cm 的预接近点;
3. 沿公共 `+Y` 直线进入采摘点;
4. 沿原路径退回预接近点;
5. 移动到本侧收集筐上方 10 cm,同时平滑旋转到工具朝下;
6. 垂直下降 10 cm,到达初始 TCP 下方约 40 cm 的收集筐目标;
7. 垂直抬升 10 cm
8. 返回初始 TCP 位姿。
轨迹按当前控制频率 90 Hz 离散,平移速度不超过 0.15 m/s,角速度不超过
0.5 rad/s。每条轨迹均从相同初始关节状态重新开始,避免上一候选角或上一轨迹的
状态污染下一次评估。
### 4.3 边界轨迹
工作区边界、不可达目标和 QP 失败恢复轨迹不参与第一轮 J3 参数排名。J3 参数确定后,
再使用这些轨迹验证失败保持和恢复逻辑,避免不可达点数量掩盖参考角本身的差异。
## 5. QP 试验配置
主任务保持现有严格六维相对位姿任务,内部等价于:
\[
\left\|J_p\Delta q-e_p\right\|^2
+\left\|J_R\Delta q-e_R\right\|^2
\]
其中误差定义为目标减当前。仿真脚本不改变 Placo 的误差符号。
在主任务之外临时加入:
\[
w_e\left(q_3+\Delta q_3-q_{3,\mathrm{ref}}\right)^2,
\qquad w_e=10^{-5}
\]
以及 TCP 位置可操作度任务:
\[
-w_m\nabla m_p(q)^T\Delta q,
\qquad w_m=10^{-4}。
\]
保留当前动能正则、URDF 关节位置限制和关节速度限制。第四关节临时增加:
\[
q_4\ge10^\circ。
\]
## 6. 参数扫描
### 6.1 粗扫
左臂:
\[
q_{3,\mathrm{ref}}^L\in\{0^\circ,10^\circ,\ldots,100^\circ\}。
\]
右臂:
\[
q_{3,\mathrm{ref}}^R\in\{0^\circ,-10^\circ,\ldots,-120^\circ\}。
\]
### 6.2 细扫
在粗扫最优候选附近 ±10° 内以 2° 为步长再次扫描。若多个相邻候选没有明显差异,
选择稳定平台区的中心,而不是选择孤立的单点峰值。
### 6.3 基线
同时运行两组基线:
- `original`:当前原始 QP,不含 J3 软任务、位置可操作度任务和 J4 额外下限;
- `manip_j4`:不含 J3 软任务,但加入位置可操作度任务和 J4 额外下限。
所有 J3 候选均在 `manip_j4` 基础上只改变 J3 参考角。最终结果必须同时报告:
- 相对当前原始 QP 的改善;
- 相对“只加位置可操作度”的改善;
- J3 软任务是否降低六维跟踪成功率。
## 7. 记录指标
对每个候选角度、每条轨迹记录:
- QP 求解失败周期数 `N_fail`
- 完成全部轨迹的数量 `N_complete`
- 整条轨迹六维雅可比的最小奇异值 `sigma_min`
- 第四关节最小安全余量 `m_q4 = min(q4 - 10°)`
- 肘部最小外展量 `d_elbow`
- 最大 TCP 位置误差和姿态误差;
- 最大关节速度;
- 累计关节运动代价 `E_q`
- 是否出现超过阈值的单周期关节构型跳变。
肘部外展量使用公共坐标系中第四连杆位置计算:
\[
d_{\mathrm{elbow}}^L=-x_{\mathrm{elbow}}^L,
\qquad
d_{\mathrm{elbow}}^R=x_{\mathrm{elbow}}^R。
\]
当前 URDF 碰撞网格对相邻连杆存在已知自碰撞警告,因此本轮不把 MuJoCo/Placo
碰撞距离加入评分,避免错误碰撞几何影响 J3 选择。
## 8. 选择规则与评分函数
### 8.1 硬门槛
候选角度首先按以下顺序筛选:
1. `N_fail` 最少;
2. `N_complete` 最多;
3. 最大位置误差不超过 2 mm
4. 最大姿态误差不超过 0.005 rad;
5. 不违反第四关节、URDF 关节位置和速度限制;
6. 不出现超过配置阈值的单周期关节跳变。
只在通过同一组硬门槛的候选之间使用评分函数。这样不能用较高可操作度抵消更多的
QP 失败或更差的 TCP 跟踪。
### 8.2 并列候选评分函数
对通过硬门槛的候选,将各项指标在同一机械臂的候选集合内转换为 `[0,1]` 的百分位
排名。数值越大越好的指标直接排名,数值越小越好的指标反向排名:
- `r_sigma`:全轨迹最小奇异值排名;
- `r_q4`:第四关节最小安全余量排名;
- `r_elbow`:肘部最小外展量排名;
- `r_smooth`:累计关节运动代价与最大关节速度的联合反向排名;
- `r_track`:最大六维 TCP 跟踪误差的反向排名。
并列候选的综合评分为:
\[
S(q_{3,\mathrm{ref}})
=0.45r_{\sigma}
+0.20r_{q4}
+0.20r_{\mathrm{elbow}}
+0.10r_{\mathrm{smooth}}
+0.05r_{\mathrm{track}}。
\]
选择:
\[
q_{3,\mathrm{ref}}^*=\arg\max S(q_{3,\mathrm{ref}})。
\]
最小奇异值权重最高,因为本轮首要目标是降低奇异点和 QP 失败风险;第四关节余量
和肘部外展各占 0.20;平滑性和跟踪误差用于区分性能接近的候选。若评分最高点与
相邻角度差异小于 2%,取相邻稳定平台的中心角度。
### 8.3 结果报告
左右臂分别输出:
- 推荐参考角;
- 推荐稳定区间;
- 粗扫与细扫排名表;
- 与两组基线的指标对比;
- 最差轨迹及其失败位置;
- 是否建议保留左右臂统一的第四关节 10° 下限。
## 9. 实施边界与后续流程
标定完成后的顺序为:
1. 根据仿真结果形成正式 QP 修改规格;
2. 将左右臂 J3 参考角作为独立可调参数写入对应 YAML;
3.`use_mock:=true` 下运行完整遥操作控制链路;
4. 加入 QP 失败时不提交笛卡尔目标历史的修复并验证恢复;
5. 经过安全评审后,在真机上以低速、小范围方式复验;
6. 根据真机日志更新 J3 参考角,但不取消工作空间、速度、超时和安全停止限制。
@@ -0,0 +1,175 @@
# RM75 双臂采摘 QP 稳健性优化方案概述
## 1. 目标与边界
本方案面向当前双臂机器人从初始位姿向机器人公共坐标系 `+Y` 前方采摘,再移动到
本侧机械臂初始 TCP 正下方约 40 cm、位于底盘车上的收集筐这一流程。首要目标是:
- 保持手柄给出的 TCP 位置和姿态严格参与六维逆解;
- 减少奇异点附近的构型恶化、QP 不收敛和连续失败;
- QP 失败时保持上一安全关节解,并且不提交本周期笛卡尔参考状态;
- 保留现有工作空间、速度、加速度、指令超时和安全停止限制。
本轮不加入自动采摘状态机、自动放松姿态或真机自动运动,不取消现有安全限制。
此前离线扫描中所有候选均未通过完整轨迹硬门槛,因此不能把扫描得到的左臂 34°、
右臂 0°写成“最优 J3”。仿真只能说明:两臂 `q4 >= 10°` 均保持正余量,J4 的 10°
硬下限不是当次 QP 失败的直接原因。
## 2. 更新后的 QP 目标
主任务和辅助任务写为:
\[
\begin{aligned}
\min_{\Delta q}\quad
&\left\|J_p\Delta q-e_p\right\|_{W_p}^2
+\left\|J_R\Delta q-e_R\right\|_{W_R}^2 \\
&+\lambda\left\|\Delta q\right\|^2
-w_m\alpha_m(\sigma)\nabla m_6(q)^T\Delta q \\
&+w_3\left(q_3+\Delta q_3-q_{3,\mathrm{ref}}\right)^2 \\
&+w_4\alpha_4(q_4)
\left[q_{4,\mathrm{warn}}-(q_4+\Delta q_4)\right]_+^2
\end{aligned}
\]
其中:
- `e = 目标位姿 - 当前位姿`,因此主任务使用 `JΔq - e`。如果误差定义相反,公式
才写成加号;当前 Placo 代码不翻转误差符号。
- 前两项是严格六维 TCP 位置和姿态任务,始终保持最高权重。
- `λ||Δq||²` 是现有动能正则,用于抑制过大的关节增量和数值抖动。
- `m6` 使用 Placo 支持的 `both` 类型六维可操作度;`αm` 只在完整六维雅可比的
最小奇异值进入预警区时逐渐激活,正常区域为零。
- J3 是低权重软引导,不属于可行性硬门槛。
- `[x]+ = max(0, x)`;J4 软项只在进入预警区后产生作用,提前远离 10° 硬下限。
辅助项不能通过提高权重来抵消六维 TCP 跟踪。第一版复用 Placo 现有任务接口,不
引入新的分层 QP 框架或外部依赖。
## 3. 四处修改
### 3.1 六维主任务、可操作度与数值迭代
严格六维 TCP 主任务保持不变,可操作度由“全程恒定启用的位置任务”改为“接近奇异
区才启用的六维任务”:
- `sigma_min >= sigma_warn``αm = 0`,不干扰正常遥操作;
- `sigma_stop < sigma_min < sigma_warn``αm` 从 0 平滑增加到 1
- `sigma_min <= sigma_stop`:保持最大辅助权重,但仍不降低六维 TCP 权重。
`sigma_warn``sigma_stop` 和最大辅助权重先保留为仿真可调参数,根据现有完整轨迹
日志确定;不直接沿用此前效果不明显的恒定位置可操作度权重。
当前 30 次求解是同一目标的数值迭代,不是 30 个真实控制周期。生产控制链路仍由
现有关节速度和加速度限制器约束实际运动,因此不把“单个物理周期到达完整目标”作为
收敛要求。求解器逐次检查六维误差;只有达到当前位置和姿态阈值的结果才允许发送。
30 次内未收敛则恢复到本周期实际关节反馈,不发送未收敛的中间结果。
### 3.2 J3 初始姿态软参考
取消继续扫描 J3 最优角,使用当前 YAML 初始姿态作为第一版参考:
\[
q_{3,\mathrm{ref}}^L=67.96^\circ\qquad
q_{3,\mathrm{ref}}^R=-89.57^\circ。
\]
J3 只使用低权重软任务,不设置 J3 硬限位,不因追踪参考角而放松 TCP 位姿任务。
代表性严格六维 mock 路径显示:左臂使用 `1e-5` 可完成路径,提高到 `1e-4` 会提前
触及关节限位;右臂使用 `1e-5` 时 J6 到达 URDF 下限,提高到 `1e-4` 后保留约
23° J6 余量并完成前伸段。因此第一版分别取:
\[
w_3^L=10^{-5}\qquad w_3^R=10^{-4}。
\]
左右臂参数分别配置,后续只在完整 mock 轨迹明显改善时再调整,不把参考角本身当作
成功保证。
### 3.3 J4 硬下限与软缓冲区
左右臂暂时保持相同硬约束:
\[
q_4\geq q_{4,\min}=10^\circ。
\]
在硬下限上方增加预警区,第一版取 `q4_warn = 25°`
- `q4 >= 25°`J4 软项关闭;
- `10° < q4 < 25°`:软项随接近 10°逐渐增强;
- `q4 <= 10°`:由硬约束禁止继续向下。
这样保留收集筐下降阶段所需的可达空间,同时避免 QP 到达 10°附近才突然遇到约束
边界。`25°` 是待仿真验证的缓冲起点,不是新的硬下限;左右臂允许分别调整预警角,
但除非轨迹数据证明有必要,不增加更多参数。
### 3.4 QP 失败恢复与笛卡尔参考状态提交
这是除目标函数外最关键的修复。当前风险流程为:
```text
QP 失败
→ 关节指令保持不动
→ 笛卡尔目标历史仍向前更新
→ 下一周期误差进一步增大
→ 连续失败或恢复时突跳
```
修改后,QP 求解结果、关节目标和笛卡尔参考状态按同一周期提交。
QP 成功时:
```text
QP 成功
→ 发送新关节目标
→ 关节目标发送成功
→ 提交新的笛卡尔参考状态
```
QP 失败或关节目标发送失败时:
```text
QP 失败
→ 丢弃失败后的 Placo 内部迭代结果
→ 保持上一有效关节目标
→ 不提交本周期笛卡尔参考状态
→ 操作者把手柄移回可行区域后继续求解
```
“不提交笛卡尔参考状态”包括不更新本周期候选的滤波状态、
`_last_sent_target``_last_sent_orientation` 和命令时间。下一周期仍从上一已提交的
笛卡尔参考状态以及实际关节反馈出发计算,防止 QP 误差在机械臂不动时继续累积。
手柄原始输入仍正常接收,不会被程序改写,也不会自动改变操作者给出的末端姿态。
失败时机械臂不会为了恢复而自行移动;操作者主动将手柄移回可行区域后,QP 使用新的
手柄输入重新求解。收集筐到达和松开夹爪仍以实际 TCP 反馈及位置、姿态容差为判据。
## 4. 保留约束
QP 和下游控制继续保留:
- URDF 关节位置限制和 J4 的 10°额外硬下限;
- 现有关节速度、关节加速度、TCP 线速度和角速度限制;
- 工作空间/圆柱限位、指令超时和安全停止;
- `configure_safety_limits` 默认启用;
- `move_to_initial_pose_on_connect` 默认关闭;
- mock 模式不依赖睿尔曼真机 SDK。
## 5. 验证顺序与通过标准
实施按以下顺序进行:
1. 先实现 QP 失败保持,以及关节目标与笛卡尔参考状态的成功后统一提交;
2. 加入 J4 的 10°硬下限与 25°软缓冲区;
3. 加入左右臂 J3 初始姿态软参考;
4. 加入按六维最小奇异值激活的 `both` 可操作度任务;
5.`use_mock:=true` 下运行初始位姿、前方 30~50 cm 采摘、本侧下方 40 cm 收集
筐和返回初始位姿的完整严格六维轨迹。
至少记录并比较修改前后的:QP 成功/失败周期数、连续失败长度、失败周期参考状态是否
保持不变、恢复时的关节跳变量、完整轨迹成功数、
六维最小奇异值、最大位置/姿态误差、J4 最小余量、最大关节速度以及目标历史与实际
TCP 的偏差。只有失败周期下降、完整轨迹成功率不降低、严格六维误差和全部安全约束
仍满足时,辅助项才保留;否则首先回退可操作度或 J4 软项,不回退失败状态修复。
@@ -0,0 +1,415 @@
# RM75 三种逆运动学方法离线对比实验设计
## 1. 目标
基于现有番茄采摘 episode 的右臂目标位姿轨迹,在完全一致的机械臂模型、初始关节
状态、时间轴、收敛判据和输出安全限制下,对比以下三种七自由度逆运动学方法:
1. Jacobian Moore-Penrose 伪逆法;
2. 阻尼最小二乘法(Damped Least SquaresDLS);
3. 当前项目中的优化 Placo QP 方法。
实验输出用于补充中期报告 2.3.4 节预留的三张图,并同时生成逐采样数据、汇总指标和
可直接粘贴到报告中的中文结果分析。实验必须由真实计算结果驱动,不预设或硬编码
“QP 更优”的结论。
## 2. 现有上下文
### 2.1 报告要求
中期报告 2.3.4 节已经确定:
- 三种方法使用同一机械臂模型、初始关节状态和末端目标轨迹;
- 统计位置 RMSE、姿态 RMSE、归一化关节安全裕度、最大关节速度、求解时间和
求解成功率;
- 章节末尾预留三张对比图。
现有图号从图 2-10 跳到图 2-14,因此本实验生成图 2-11、图 2-12 和图 2-13。
### 2.2 当前 QP 与报告文字的差异
报告 2.3.2 节主要描述六维末端软任务、动能正则化、关节位置和速度限制。当前分支的
`PlacoIkSolver` 还包含:
- J3 初始构型软引导;
- J4 硬下限和预警区软缓冲;
- 接近奇异区时动态启用的六维可操作度任务;
- QP 失败时恢复实际关节状态并保持上一安全输出。
本实验使用当前优化 QP,而不是关闭上述辅助任务的基础 QP。最终分析文件需要提供一段
方法补充文字,避免报告方法描述与对比对象不一致。
## 3. 范围与安全边界
### 3.1 本次包含
- 只读加载一个现有右臂 episode;
- 离线重采样目标位姿;
- 在同一 URDF 上运行三种逆运动学方法;
- 复用当前 QP 代码和右臂 YAML 参数;
- 对三种方法使用相同的输出端安全处理;
- 生成 SVG、300 dpi PNG、CSV、JSON 和中文 Markdown 分析。
### 3.2 本次不包含
- 不连接真机,不移动机械臂,不操作夹爪;
- 不启动新的 PICO 录制;
- 不修改生产遥操作节点、launch、YAML 默认值或公开 API
- 不使用 episode 中已经记录的 QP 关节结果充当本次 QP 结果;
- 不模拟电机、通信和接触动力学;
- 不直接编辑用户提供的 PDF。
实验只使用当前 Conda 环境已经安装的 NumPy、h5py、Matplotlib 和 Placo,不新增项目
依赖。
因此,结果应表述为“基于真实遥操作目标轨迹的离线运动学对比”,不得表述为新的真机
在线控制对比。
## 4. 数据源与质量基线
实验固定使用:
```text
/home/robot/ACT_Data/tomato_pick/episode_0.hdf5
```
该文件的已核对属性如下:
- 机械臂:`right_rm75`
- 样本数:484
- 有效时长:约 16.1 s
- 保存采样率:约 30 Hz
- 位姿顺序:`x,y,z,qx,qy,qz,qw`
- 所有目标位姿、当前位姿和关节状态均为有限值;
- 目标和当前四元数范数接近 1
- 483 帧为遥操作激活且已发送命令;
- 记录时 QP 尝试 483 次并成功 483 次;
- 132 帧触发过目标限幅,轨迹本身包含足够的约束压力。
只使用满足以下条件的最长连续区间:
```text
teleop_active && action_valid && command_sent
```
共同末端目标取 `debug/tcp/final_target_pose`。该字段已通过原系统的工作空间限制、目标
平滑和单帧笛卡尔步长限制,适合作为三种逆运动学方法的共同安全输入。共同初始关节角
取有效区间第一帧的 `observations/qpos[:7]`
episode 中后续 `observations/qpos``debug/qp/raw_target`、QP 成功标志和耗时只用于
数据质量核对,不替代任何方法在本实验中的离线计算结果。
## 5. 统一复放架构
数据流为:
```text
episode_0.hdf5
-> 有效区间与共同初始状态
-> 30 Hz 目标位姿重采样到 90 Hz
-> 伪逆 / DLS / 当前优化 QP 三路独立复放
-> 共同输出安全层
-> 正向运动学和逐采样指标
-> CSV / JSON / 三张图 / 中文分析
```
三种方法各自维护独立的关节状态和上一周期关节速度。每个方法的下一状态只能由该方法
本周期的安全输出推进,三路之间不共享可变状态。
离线状态推进采用理想位置跟随,即共同输出限速器给出的关节目标直接作为下一 90 Hz
周期的关节状态。这一简化隔离了逆运动学方法本身,不引入未建模的电机和网络差异。
## 6. 目标轨迹重采样
原 episode 按约 30 Hz 保存,而当前遥操作控制器使用 90 Hz。重采样使用 episode 的
`debug/timestamps/control_monotonic_ns`,目标时间轴保持原始起止时刻并以 1/90 s
采样:
- 位置使用分段线性插值;
- 姿态使用归一化四元数的最短弧 SLERP;
- 相邻四元数点积为负时先翻转后一四元数,避免绕长弧插值;
- 第一个和最后一个重采样位姿必须与原始有效区间端点一致;
- 不对目标轨迹额外放大、延长或人工加入困难片段。
## 7. 三种逆运动学方法
### 7.1 共同任务定义
当前关节状态为 `q`,正向运动学得到当前 TCP 位姿 `(p, R)`,目标位姿为
`(p_d, R_d)`。位置误差和姿态误差分别为:
```text
e_p = p_d - p
e_R = Log(R^T R_d)
```
求解时的角速度误差表达必须与所用 `local_world_aligned` Jacobian 的坐标表达一致;
姿态误差大小统一使用目标与实际旋转矩阵之间的最短夹角评价。伪逆和 DLS 使用相同的
位置、姿态反馈增益、相同 Jacobian、相同 90 Hz 步长和相同数值迭代框架。
三种方法对单个目标最多执行 30 次数值迭代。满足以下两个条件时记为收敛:
```text
位置误差 <= 0.002 m
姿态误差 <= 0.005 rad
```
### 7.2 Jacobian 伪逆法
伪逆法按报告公式计算:
```text
q_dot = pinv(J) * v_d
```
其中 `v_d` 由共同的六维位姿反馈误差生成。实现直接使用 NumPy 的 Moore-Penrose
伪逆,不增加零空间任务、阻尼或自适应奇异值阈值,以保持基线定义清楚。
### 7.3 DLS 方法
DLS 按报告公式计算:
```text
q_dot = J^T * inv(J * J^T + mu^2 * I) * v_d
```
公式保持与报告一致;数值实现使用线性方程求解,不显式计算矩阵逆。
只扫描固定阻尼系数,不实现自适应 DLS。候选值使用对数尺度的小集合:
```text
0.001, 0.003, 0.01, 0.03, 0.1, 0.3
```
每个候选均完整复放 episode,先按求解成功率从高到低选择,再在成功率相同的候选中
最小化:
```text
位置 RMSE / 0.002 + 姿态 RMSE / 0.005
```
若仍并列,选择最大关节速度更小的候选。阻尼扫描使用同一条评价轨迹,因此最终文字
必须说明该 DLS 是“在当前轨迹上选优的固定阻尼基线”;这一口径对 DLS 较有利,不能
将其解释为跨轨迹最优参数。
阻尼扫描耗时不计入三种方法的在线求解时间对比。
### 7.4 当前优化 QP
QP 直接实例化现有 `xr_rm_teleop.placo_ik_solver.PlacoIkSolver`,使用 90 Hz 步长、
当前双臂 URDF 和右臂配置中的参数:
```text
qp_j3_reference_deg: -89.57
qp_j3_weight: 0.0001
qp_j4_min_deg: 10.0
qp_j4_warn_deg: 25.0
qp_j4_weight: 0.0001
qp_manipulability_sigma_stop: 0.01
qp_manipulability_sigma_warn: 0.04
qp_manipulability_weight: 0.0001
```
保留现有六维末端软任务、`1e-6` 动能正则化、URDF 关节位置和速度限制、30 次迭代、
收敛阈值、输入变换校验、失败恢复和结果有效性检查。实验脚本不复制或重写 QP。
## 8. 共同输出安全层与失败处理
三种方法使用同一安全口径:
1. 每次数值迭代结果必须为 7 个有限关节值;
2. 数值迭代的关节状态不得超出 URDF 位置范围;
3. 相邻数值迭代的关节变化不得超过 URDF 速度上限乘以 `1/90 s`
4. 有效求解结果继续经过生产控制器现有的关节速度/加速度限制逻辑;
5. 输出端最大关节速度为 `180 deg/s`,最大关节加速度为 `300 deg/s^2`
6. 未在 30 次内收敛、出现非有限值或违反硬边界时,本周期记为失败并保持上一安全
关节状态;
7. 失败不会停止离线复放,时间轴继续推进,并记录失败次数和最长连续失败长度。
QP 在优化内部主动处理关节边界;伪逆和 DLS 在每次候选步之后接受同样的硬检查。
共同输出层不会消除算法差异:基线仍可能因候选步无效而失败或保持,QP 则可能在优化
过程中找到满足约束的解。
## 9. 评价指标
### 9.1 末端跟踪
- 逐采样位置误差 `||p_d - p||`,单位为 mm
- 逐采样姿态夹角误差,单位为 degree;
- 全轨迹位置 RMSE,报告中仍以 m 给出,图中用 mm;
- 全轨迹姿态 RMSE,报告公式使用 rad,图中用 degree。
### 9.2 关节运动
- 每个采样时刻七关节绝对速度的最大值,单位为 `deg/s`
- 全轨迹最大关节速度;
- 超过或触发共同速度/加速度限制器的周期数;
- 按报告式 (2-28) 计算的逐采样最小归一化关节安全裕度;
- 全轨迹最小归一化关节安全裕度。
速度图不再使用归一化速度。当前 URDF 中右臂七个关节的速度上限均为 `3.14 rad/s`
(约 `180 deg/s`),直接展示实际速度更直观且与报告文字一致。
### 9.3 求解性能
- 收敛成功周期数和成功率;
- 失败周期数和最长连续失败长度;
- 单周期 IK 求解平均时间和最大时间,单位为 ms。
耗时只覆盖单次 IK 求解,不包含 HDF5 读取、重采样、指标汇总和绘图。先执行一次完整
预热复放,再对选定参数的三种方法各重复 10 次。轨迹和非耗时指标必须在重复复放间
保持确定;平均和最大耗时从 10 次计时复放汇总。
## 10. 三张图设计
### 10.1 图 2-11 三种逆运动学方法末端位姿跟踪误差对比
使用上下两个共享时间轴的子图:
- `(a)` 位置误差时序,单位 mm
- `(b)` 姿态误差时序,单位 degree。
三种方法使用固定颜色、不同线型,并在失败保持区间添加不遮挡曲线的标记。图中不绘制
episode 原始 QP 误差曲线。
### 10.2 图 2-12 三种逆运动学方法关节运动约束对比
使用两个共享时间轴的子图:
- `(a)` 每个时刻的最大关节速度,单位 `deg/s`,并绘制 `180 deg/s` 虚线;
- `(b)` 每个时刻的最小归一化关节安全裕度,数值越大表示离关节上下限越远。
### 10.3 图 2-13 三种逆运动学方法综合性能指标对比
使用 `2 x 3` 六个小型分组柱状图,避免不同量纲共用坐标轴:
1. 位置 RMSE
2. 姿态 RMSE
3. 最大关节速度;
4. 最小归一化关节安全裕度;
5. 平均和最大求解时间;
6. 求解成功率。
柱顶标注精确数值。最终配色需兼顾色盲识别和灰度打印,除颜色外再使用线型、标记和
图例区分方法。
## 11. 文件与产物
实验实现优先保持最小范围:
```text
xr_rm_teleop/test/ik_method_comparison.py
xr_rm_teleop/test/test_ik_method_comparison.py
```
前者包含命令行入口、HDF5 读取、重采样、三种方法复放、指标计算和绘图;后者只覆盖
无法由现有测试保护的新非平凡逻辑,不新增测试框架或通用评测抽象。
默认输出目录为:
```text
output/ik_comparison/episode_0/
```
产物包括:
```text
samples.csv
summary.json
figure_2_11_tracking_error.svg
figure_2_11_tracking_error.png
figure_2_12_joint_constraints.svg
figure_2_12_joint_constraints.png
figure_2_13_summary.svg
figure_2_13_summary.png
analysis_2.3.4.md
```
`samples.csv` 使用长表结构,每行对应“方法 + 时间点”,至少包含目标位姿、实际位姿、
位置误差、姿态误差、七关节角、七关节速度、最小安全裕度、求解耗时、成功标志和限制
触发标志。`summary.json` 保存输入路径、Git 提交、参数、选定 DLS 阻尼、指标和产物路径,
保证结果可追溯。
`analysis_2.3.4.md` 使用中文撰写,包含:
- 数据来源和离线实验口径;
- DLS 最终阻尼和选择规则;
- 三张图的建议图题与图注;
- 与式 (2-25) 至式 (2-28) 对应的数值结果;
- 对优势、代价和异常结果的客观分析;
- 当前优化 QP 相对报告 2.3.2 节的补充方法说明。
## 12. 错误处理
以下情况在生成任何正式图前立即报错:
- episode 路径不存在或不是 HDF5
- 必需字段或属性缺失;
- 数组长度不一致;
- 找不到至少包含两个样本的连续有效遥操作区间;
- 时间戳非严格递增;
- 位姿、关节角或四元数含 NaN/Inf;
- 四元数无法正规化;
- episode 机械臂不是 `right_rm75`
- URDF 或当前右臂配置不存在;
- Placo 版本不是项目固定的 0.9.4;
- 任一方法没有生成与统一时间轴等长的结果;
- CSV、JSON 和绘图使用的汇总数值不一致。
单个目标的逆运动学失败属于实验结果,按上一安全状态保持,不中止整条轨迹。输入数据
结构错误、模型错误和结果长度错误属于实验无效,必须中止并说明原因。
## 13. 测试与验证
### 13.1 聚焦测试
最小测试至少覆盖:
- 30 Hz 到 90 Hz 重采样保持首尾位置和姿态;
- SLERP 选择最短弧并输出单位四元数;
- 姿态夹角误差在单位旋转和已知小角度下正确;
- 关节安全裕度与式 (2-28) 一致;
- 无效候选触发失败保持而不是推进状态;
- DLS 选择规则按成功率、归一化误差和最大速度依次决策;
- 汇总指标与逐采样数据一致。
### 13.2 真实模型冒烟验证
使用当前双臂 URDF 和右臂初始关节角,对三种方法各运行一小段真实目标位姿序列,确认:
- 输出始终为有限 7 维关节值;
- 没有输出越过 URDF 关节位置边界;
- 失败时保持上一安全状态;
- 当前 QP 直接走现有 `PlacoIkSolver`,没有本地复制实现。
### 13.3 项目级验证
从工作空间根目录 `/home/robot/WS_xr` 执行,并先加载 ROS2 Humble
```bash
source /opt/ros/humble/setup.bash
colcon build --symlink-install
pytest src/xr_rm_teleop/test/test_orientation_control.py
```
随后使用项目固定的 Conda Python 运行聚焦测试和完整离线实验。验证完成后还需检查:
- 三张 PNG 无裁切、重叠、乱码或不可辨识曲线;
- SVG 可编辑且文字完整;
- PNG 为 300 dpi
- 图题、坐标轴、单位和图例为中文论文风格;
- `summary.json` 与图中柱顶数值一致;
- 同一输入重复运行时,除耗时外的结果一致。
## 14. 验收标准
满足以下条件才视为完成:
1. 三种方法从完全相同的 episode 目标轨迹和初始关节状态开始;
2. 当前优化 QP 复用现有实现和右臂参数;
3. 三种方法使用同一输出安全口径,任何失败均安全保持;
4. DLS 固定阻尼选择过程和最终值可追溯;
5. 生成三张与报告公式和图号一致的正式对比图;
6. 生成完整 CSV、JSON 和中文 2.3.4 分析文字;
7. 所有实际执行的测试和构建结果如实记录;
8. 不连接真机、不修改生产控制默认值、不新增依赖和重复 QP 实现。
@@ -0,0 +1,29 @@
# 2.3.4 三种逆运动学方法对比补充分析
本结果是基于真实遥操作目标轨迹的离线运动学对比,不代表真机闭环实验。数据来自
`/home/robot/ACT_Data/tomato_pick/episode_0.hdf5`,目标位姿以 90.0 Hz 重采样;三种方法使用同一初始
关节状态、同一 URDF、相同收敛阈值和共同的输出速度/加速度限制。
DLS 扫描的固定阻尼候选为 0.001, 0.003, 0.01, 0.03, 0.1, 0.3,本轨迹选定
`0.3`。该参数是在当前评价轨迹上选优,不应解释为跨轨迹最优参数。
| 方法 | 位置 RMSE (m) | 姿态 RMSE (rad) | 最大关节速度 (°/s) | 最小归一化裕度 | 平均/最大求解时间 (ms) | 成功率 |
| --- | ---: | ---: | ---: | ---: | ---: | ---: |
| Jacobian 伪逆 | 0.260542 | 0.713938 | 30.000 | 0.1509 | 0.136 / 1.061 | 1.17% |
| DLS | 0.005845 | 0.011201 | 49.999 | 0.0607 | 0.391 / 1.942 | 100.00% |
| 优化 QP | 0.004929 | 0.011075 | 46.666 | 0.0611 | 0.206 / 1.057 | 100.00% |
图 2-11 三种逆运动学方法的末端位置与姿态跟踪误差。纵轴采用对数坐标以同时显示不同
数量级的误差,叉号稀疏标记数值求解失败并保持上一安全关节状态的周期。
图 2-12 三种逆运动学方法的最大关节速度与最小归一化关节安全裕度。红色虚线表示
180°/s 输出速度上限,裕度越大表示离关节位置边界越远。
图 2-13 三种逆运动学方法的综合性能对比,包括误差、关节运动、求解时间和成功率。
按本次单轨迹数值比较,位置 RMSE 最低的方法为优化 QP,姿态 RMSE 最低的方法为
优化 QP,成功率最高的方法为DLS、优化 QP。这些结论只描述本次离线复放,
未进行统计显著性检验。
当前优化 QP 除六维末端主任务外,还保留项目中的 J3 参考软任务、J4 硬下界与软缓冲,
以及按最小奇异值动态激活的六维可操作度任务;伪逆和 DLS 基线不包含这些附加任务。
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@@ -0,0 +1,50 @@
{
"source_episode": "/home/robot/ACT_Data/tomato_pick/episode_0.hdf5",
"git_commit": "f30aac547b6fe84703044c66b30b70720ee4d40a",
"sample_rate_hz": 90.00141938026849,
"selected_dls_damping": 0.3,
"methods": {
"pinv": {
"method": "pinv",
"damping": null,
"success_rate": 0.011748445058742226,
"position_rmse_m": 0.26054182896155575,
"orientation_rmse_rad": 0.713938311140316,
"max_joint_speed_deg_s": 29.999526880705357,
"min_joint_margin": 0.15094435580838983,
"mean_solve_ms": 0.13594157401520388,
"max_solve_ms": 1.061404,
"failure_count": 1430,
"longest_failure_streak": 1430,
"command_limited_count": 17
},
"dls": {
"method": "dls",
"damping": 0.3,
"success_rate": 1.0,
"position_rmse_m": 0.005845412147117041,
"orientation_rmse_rad": 0.011200514621088859,
"max_joint_speed_deg_s": 49.999211467842265,
"min_joint_margin": 0.060689206887586424,
"mean_solve_ms": 0.39115279765031097,
"max_solve_ms": 1.94196,
"failure_count": 0,
"longest_failure_streak": 0,
"command_limited_count": 1282
},
"qp": {
"method": "qp",
"damping": null,
"success_rate": 1.0,
"position_rmse_m": 0.004929450681893051,
"orientation_rmse_rad": 0.01107496419458487,
"max_joint_speed_deg_s": 46.66593070331945,
"min_joint_margin": 0.06105232712172298,
"mean_solve_ms": 0.20632571050449205,
"max_solve_ms": 1.057197,
"failure_count": 0,
"longest_failure_streak": 0,
"command_limited_count": 1267
}
}
}
@@ -0,0 +1,4 @@
# 双 RM75 MuJoCo 运动学显示参数。初始姿态和控制限制仍由 dual_arm_rm75.yaml 管理。
dual_arm_simulator:
ros__parameters:
render_rate_hz: 60.0
+47 -28
View File
@@ -16,23 +16,33 @@ left_arm_teleop:
feedback_resync_timeout_sec: 0.5
# 位姿目标生成与平滑参数。
scale: 0.75
scale: 0.7
deadband_m: 0.001
target_filter_alpha: 0.65
target_filter_alpha_fast: 0.9
target_filter_fast_threshold_m: 0.03
max_linear_speed: 0.2
max_linear_speed: 0.15
enable_position_axes: [true, true, true]
enable_orientation_control: true
enable_orientation_axes: [true, true, true]
orientation_deadband_rad: 0.005
orientation_filter_alpha: 0.65
max_orientation_speed: 0.5
workspace_min: [-0.70, -0.60, 0.10]
workspace_max: [0.70, 0.40, 0.70]
cyl_radius_limit: [0.20, 0.60]
low_z_threshold: 0.20
low_z_min_radius: 0.21
# QP 辅助任务:严格六维 TCP 主任务保持最高权重。
qp_j3_reference_deg: 67.96
qp_j3_weight: 0.00001
qp_j4_min_deg: 10.0
qp_j4_warn_deg: 25.0
qp_j4_weight: 0.0001
qp_manipulability_sigma_stop: 0.01
qp_manipulability_sigma_warn: 0.04
qp_manipulability_weight: 0.0001
workspace_min: [-0.70, -0.70, 0.10]
workspace_max: [0.70, 0.10, 0.75]
cyl_radius_limit: [0.10, 0.80]
low_z_threshold: 0.1
low_z_min_radius: 0.1
# PICO/OpenXR 位置坐标:+X 向右,+Y 向上,+Z 向后。
# 映射关系:机器人位移增量 = [-手柄y, 手柄z, -手柄x]。
@@ -45,7 +55,7 @@ left_arm_teleop:
realtime_push_host_ip: 192.168.192.148
realtime_push_port: 8089
realtime_push_cycle_ms: 5
avoid_singularity: 0
avoid_singularity: 1
follow: false
canfd_trajectory_mode: 2
canfd_radio: 0
@@ -54,14 +64,14 @@ left_arm_teleop:
enable_trigger_gripper_control: true
trigger_close_threshold: 0.95
configure_peripheral_on_connect: true
max_line_speed: 1.0
max_angular_speed: 1.5
max_line_acc: 1.0
max_angular_acc: 2.0
max_line_speed: 0.25
max_angular_speed: 0.6
max_line_acc: 1.3
max_angular_acc: 3.0
joint_max_speed: 180.0
joint_max_acc: 180.0
joint_max_acc: 300.0
move_to_initial_pose_on_connect: false
initial_joint_pose: [-167.21, 28.48, 28.21, 61.35, -14.40, 84.49, -124.51]
initial_joint_pose: [-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55]
init_move_speed: 20
debug_topic_prefix: /xr_rm
@@ -73,23 +83,32 @@ right_arm_teleop:
command_timeout_sec: 0.12
feedback_resync_timeout_sec: 0.5
scale: 0.75
scale: 0.7
deadband_m: 0.001
target_filter_alpha: 0.65
target_filter_alpha_fast: 0.9
target_filter_fast_threshold_m: 0.03
max_linear_speed: 0.2
target_filter_fast_threshold_m: 0.05
max_linear_speed: 0.15
enable_position_axes: [true, true, true]
enable_orientation_control: true
enable_orientation_axes: [true, true, true]
orientation_deadband_rad: 0.005
orientation_filter_alpha: 0.65
max_orientation_speed: 0.5
workspace_min: [-0.70, -0.60, 0.10]
workspace_max: [0.70, 0.40, 0.70]
cyl_radius_limit: [0.20, 0.60]
low_z_threshold: 0.20
low_z_min_radius: 0.21
qp_j3_reference_deg: -89.57
qp_j3_weight: 0.0001
qp_j4_min_deg: 10.0
qp_j4_warn_deg: 25.0
qp_j4_weight: 0.0001
qp_manipulability_sigma_stop: 0.01
qp_manipulability_sigma_warn: 0.04
qp_manipulability_weight: 0.0001
workspace_min: [-0.70, -0.70, 0.10]
workspace_max: [0.70, 0.10, 0.75]
cyl_radius_limit: [0.10, 0.80]
low_z_threshold: 0.1
low_z_min_radius: 0.1
# PICO/OpenXR 位置坐标:+X 向右,+Y 向上,+Z 向后。
# 映射关系:机器人位移增量 = [手柄y, 手柄z, 手柄x]。
@@ -111,13 +130,13 @@ right_arm_teleop:
enable_trigger_gripper_control: true
trigger_close_threshold: 0.95
configure_peripheral_on_connect: true
max_line_speed: 1.0
max_angular_speed: 1.5
max_line_acc: 1.0
max_angular_acc: 2.0
max_line_speed: 0.25
max_angular_speed: 0.6
max_line_acc: 1.3
max_angular_acc: 3.0
joint_max_speed: 180.0
joint_max_acc: 180.0
joint_max_acc: 300.0
move_to_initial_pose_on_connect: false
initial_joint_pose: [-25.60, 34.09, -19.55, 71.59, 16.97, 80.98, 59.67]
initial_joint_pose: [-86.10, 22.80, -89.57, 93.98, -91.82, -87.32, -89.35]
init_move_speed: 20
debug_topic_prefix: /xr_rm
+24 -14
View File
@@ -10,23 +10,33 @@ single_arm_velocity_teleop:
feedback_resync_timeout_sec: 0.5
# 手柄相对位姿 -> 目标 TCP 位姿;随后做目标低通、姿态低通和单帧步长限制。
scale: 1.0
scale: 0.7
deadband_m: 0.001
target_filter_alpha: 0.65
target_filter_alpha_fast: 0.9
target_filter_fast_threshold_m: 0.03
max_linear_speed: 0.3
max_linear_speed: 0.15
enable_position_axes: [true, true, true]
enable_orientation_control: true
enable_orientation_axes: [true, true, true]
orientation_deadband_rad: 0.005
orientation_filter_alpha: 0.65
max_orientation_speed: 0.5
workspace_min: [-0.70, -0.60, 0.10]
workspace_max: [0.70, 0.40, 0.70]
cyl_radius_limit: [0.20, 0.60]
low_z_threshold: 0.20
low_z_min_radius: 0.21
# QP 辅助任务:严格六维 TCP 主任务保持最高权重。
qp_j3_reference_deg: 67.96
qp_j3_weight: 0.00001
qp_j4_min_deg: 10.0
qp_j4_warn_deg: 25.0
qp_j4_weight: 0.0001
qp_manipulability_sigma_stop: 0.01
qp_manipulability_sigma_warn: 0.04
qp_manipulability_weight: 0.0001
workspace_min: [-0.70, -0.70, 0.10]
workspace_max: [0.70, 0.10, 0.75]
cyl_radius_limit: [0.10, 0.80]
low_z_threshold: 0.1
low_z_min_radius: 0.1
# 映射关系:机器人位移增量 = [-手柄y, 手柄z, -手柄x]。
xr_to_robot_matrix: [0.0, -1.0, 0.0,
@@ -38,7 +48,7 @@ single_arm_velocity_teleop:
realtime_push_host_ip: 192.168.192.148
realtime_push_port: 8089
realtime_push_cycle_ms: 5
avoid_singularity: 0
avoid_singularity: 1
follow: false
canfd_trajectory_mode: 2
canfd_radio: 0
@@ -47,13 +57,13 @@ single_arm_velocity_teleop:
enable_trigger_gripper_control: true
trigger_close_threshold: 0.95
configure_peripheral_on_connect: true
max_line_speed: 1.0
max_angular_speed: 1.5
max_line_acc: 1.0
max_angular_acc: 2.0
max_line_speed: 0.25
max_angular_speed: 0.6
max_line_acc: 1.3
max_angular_acc: 3.0
joint_max_speed: 180.0
joint_max_acc: 180.0
joint_max_acc: 300.0
move_to_initial_pose_on_connect: false
initial_joint_pose: [-79.55, -9.99, 71.01, 101.45, 95.07, -84.47, -74.52]
initial_joint_pose: [-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55]
init_move_speed: 20
debug_topic_prefix: /xr_rm
+4 -4
View File
@@ -9,14 +9,14 @@ set_initial_tool_state: false
tools_in_ee:
scissor:
# x, y, z, qx, qy, qz, qw
pose: [0.0, 0.0, 0.19, 0.0, 0.0, 0.0, 1.0]
pose: [0.0, 0.0, 0.165, 0.0, 0.0, 0.0, 1.0]
# mass, center_x, center_y, center_z, reserved...
load: [0.66, 0.0, 0.0, 0.06, 0.0, 0.0, 0.0]
omnipic:
pose: [0.0, 0.0, 0.16, 0.0, 0.0, 0.0, 1.0]
pose: [0.0, 0.0, 0.14, 0.0, 0.0, 0.0, 1.0]
load: [0.43, 0.0, 0.0, 0.06, 0.0, 0.0, 0.0]
minisci:
pose: [0.0, 0.0, 0.19, 0.0, 0.0, 0.0, 1.0]
pose: [0.0, 0.0, 0.165, 0.0, 0.0, 0.0, 1.0]
load: [0.46, 0.0, 0.0, 0.06, 0.0, 0.0, 0.0]
no_tool:
pose: [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0]
@@ -24,6 +24,6 @@ tools_in_ee:
arms:
left:
scissorgripper: 2
scissorgripper: 0
right:
scissorgripper: 1
+12 -2
View File
@@ -21,8 +21,18 @@ single_arm_velocity_teleop:
orientation_deadband_rad: 0.005
orientation_filter_alpha: 0.65
max_orientation_speed: 0.5
# QP 辅助任务:严格六维 TCP 主任务保持最高权重。
qp_j3_reference_deg: -89.57
qp_j3_weight: 0.0001
qp_j4_min_deg: 10.0
qp_j4_warn_deg: 25.0
qp_j4_weight: 0.0001
qp_manipulability_sigma_stop: 0.01
qp_manipulability_sigma_warn: 0.04
qp_manipulability_weight: 0.0001
workspace_min: [-0.70, -0.70, 0.10]
workspace_max: [0.70, 0.70, 0.75]
workspace_max: [0.70, 0.10, 0.75]
cyl_radius_limit: [0.10, 0.80]
low_z_threshold: 0.1
low_z_min_radius: 0.1
@@ -54,6 +64,6 @@ single_arm_velocity_teleop:
joint_max_speed: 180.0
joint_max_acc: 300.0
move_to_initial_pose_on_connect: false
initial_joint_pose: [-90.14, 3.76, -86.89, 87.89, -96.53, -79.62, -90.04]
initial_joint_pose: [-86.10, 22.80, -89.57, 93.98, -91.82, -87.32, -89.35]
init_move_speed: 20
debug_topic_prefix: /xr_rm
+38 -8
View File
@@ -8,7 +8,7 @@
from pathlib import Path
from launch import LaunchDescription
from launch.actions import DeclareLaunchArgument, OpaqueFunction
from launch.actions import DeclareLaunchArgument, OpaqueFunction, Shutdown
from launch.substitutions import LaunchConfiguration, PathJoinSubstitution
from launch_ros.actions import Node
from launch_ros.substitutions import FindPackageShare
@@ -31,13 +31,12 @@ def _config_file(name: str) -> PathJoinSubstitution:
])
def _rm75_urdf() -> PathJoinSubstitution:
def _dual_rm75_urdf() -> PathJoinSubstitution:
return PathJoinSubstitution([
FindPackageShare("xr_rm_teleop"),
"models",
"rm75_omnipicker",
"urdf",
"RM75-B_OmniPicker_fixed.urdf",
"dual_rm75",
"Dual_arm.urdf",
])
@@ -48,6 +47,9 @@ def _udp_receiver_node() -> Node:
executable="udp_controller_receiver",
name="udp_controller_receiver",
output="screen",
on_exit=Shutdown(
reason="XR UDP receiver exited; stopping arm_debug launch"
),
parameters=[{
"udp_host": LaunchConfiguration("udp_host"),
"udp_port": LaunchConfiguration("udp_port"),
@@ -58,6 +60,26 @@ def _udp_receiver_node() -> Node:
)
def _mujoco_node() -> Node:
"""启动只读双臂 MuJoCo 运动学显示节点。"""
return Node(
package="xr_rm_mujoco",
executable="dual_arm_simulator",
name="dual_arm_simulator",
output="screen",
prefix=[XR_PYTHON],
parameters=[
_config_file("dual_arm_mujoco.yaml"),
{"robot_urdf_path": _dual_rm75_urdf()},
],
)
def _validate_mujoco_mode(arm: str, use_mujoco: bool) -> None:
if use_mujoco and arm != "both":
raise ValueError("use_mujoco:=true requires arm:=both")
def _single_arm_node(
arm: str,
use_mock: bool,
@@ -75,7 +97,7 @@ def _single_arm_node(
_config_file(config_name),
{
"use_mock": use_mock,
"robot_urdf_path": _rm75_urdf(),
"robot_urdf_path": _dual_rm75_urdf(),
"peripheral_config_file": _config_file("peripherals_rm75.yaml"),
"peripheral_arm": arm,
"tool_command_topic": f"/xr_rm/{arm_name}/tool_enable",
@@ -102,7 +124,7 @@ def _dual_arm_nodes(use_mock: bool) -> list[Node]:
config_file,
{
"use_mock": use_mock,
"robot_urdf_path": _rm75_urdf(),
"robot_urdf_path": _dual_rm75_urdf(),
"peripheral_config_file": _config_file("peripherals_rm75.yaml"),
"peripheral_arm": "left",
"tool_command_topic": "/xr_rm/left_rm75/tool_enable",
@@ -119,7 +141,7 @@ def _dual_arm_nodes(use_mock: bool) -> list[Node]:
config_file,
{
"use_mock": use_mock,
"robot_urdf_path": _rm75_urdf(),
"robot_urdf_path": _dual_rm75_urdf(),
"peripheral_config_file": _config_file("peripherals_rm75.yaml"),
"peripheral_arm": "right",
"tool_command_topic": "/xr_rm/right_rm75/tool_enable",
@@ -139,15 +161,21 @@ def _launch_setup(context, *args, **kwargs):
)
arm = LaunchConfiguration("arm").perform(context).strip().lower()
use_mock = _as_bool(LaunchConfiguration("use_mock").perform(context))
use_mujoco = _as_bool(
LaunchConfiguration("use_mujoco").perform(context)
)
if arm not in ("left", "right", "both"):
raise ValueError("arm must be one of: left, right, both")
_validate_mujoco_mode(arm, use_mujoco)
nodes = [_udp_receiver_node()]
if arm == "both":
nodes.extend(_dual_arm_nodes(use_mock))
else:
nodes.append(_single_arm_node(arm, use_mock))
if use_mujoco:
nodes.append(_mujoco_node())
return nodes
@@ -157,6 +185,8 @@ def generate_launch_description() -> LaunchDescription:
DeclareLaunchArgument("arm", default_value="right"),
# true 时只跑 mock,不连接 RM75false 时通过 RealMan SDK 连接真机。
DeclareLaunchArgument("use_mock", default_value="true"),
# true 时额外启动只读 MuJoCo 双臂显示,默认不改变现有启动行为。
DeclareLaunchArgument("use_mujoco", default_value="false"),
# UDP 监听参数,需要与 PICO 端或 sample_udp_sender 保持一致。
DeclareLaunchArgument("udp_host", default_value="0.0.0.0"),
DeclareLaunchArgument("udp_port", default_value="15000"),
+1
View File
@@ -10,6 +10,7 @@
<buildtool_depend>ament_cmake</buildtool_depend>
<exec_depend>xr_rm_input</exec_depend>
<exec_depend>xr_rm_mujoco</exec_depend>
<exec_depend>xr_rm_teleop</exec_depend>
<exec_depend>python3-tk</exec_depend>
@@ -0,0 +1,43 @@
import importlib.util
from pathlib import Path
import pytest
from launch import LaunchContext
from launch.actions import DeclareLaunchArgument, Shutdown
from launch.utilities import perform_substitutions
MODULE_PATH = Path(__file__).parents[1] / "launch" / "arm_debug.launch.py"
SPEC = importlib.util.spec_from_file_location("arm_debug_launch", MODULE_PATH)
arm_debug_launch = importlib.util.module_from_spec(SPEC)
assert SPEC.loader is not None
SPEC.loader.exec_module(arm_debug_launch)
def test_launch_declares_mujoco_disabled_by_default() -> None:
description = arm_debug_launch.generate_launch_description()
arguments = {
entity.name: entity
for entity in description.entities
if isinstance(entity, DeclareLaunchArgument)
}
assert "use_mujoco" in arguments
assert perform_substitutions(
LaunchContext(),
arguments["use_mujoco"].default_value,
) == "false"
def test_mujoco_mode_requires_both_arms() -> None:
arm_debug_launch._validate_mujoco_mode("both", True)
arm_debug_launch._validate_mujoco_mode("left", False)
with pytest.raises(ValueError, match="arm:=both"):
arm_debug_launch._validate_mujoco_mode("left", True)
def test_udp_receiver_exit_shuts_down_launch() -> None:
receiver = arm_debug_launch._udp_receiver_node()
assert isinstance(receiver._ExecuteLocal__on_exit, Shutdown)
@@ -13,6 +13,100 @@ assert SPEC.loader is not None
SPEC.loader.exec_module(launcher_ui)
class LauncherCommandsTest(unittest.TestCase):
def test_modes_expose_the_confirmed_command_matrix(self) -> None:
expected_titles = {
"Simulation": [
"Dual Arm Mock Launch",
"XRobotoolkit UDP Bridge (90 Hz)",
"Sample UDP Sender (Both Staggered, 60s)",
"Open Controller Hz Monitor",
"Open ROS Topic/Node List Monitor",
"Open Controller Topic Monitor",
],
"MuJoCo": [
"Dual Arm MuJoCo Mock Launch",
"Dual Arm MuJoCo Real Hardware Launch",
"XRobotoolkit UDP Bridge (90 Hz)",
"Open Controller Hz Monitor",
"Open ROS Topic/Node List Monitor",
"Open Controller Topic Monitor",
],
"Real Hardware": [
"Ping Left RM75",
"Ping Right RM75",
"Left Arm RealMan Launch",
"Right Arm RealMan Launch",
"Dual Arm RealMan Launch",
"XRobotoolkit UDP Bridge (90 Hz)",
"Left Gripper Open",
"Left Gripper Close",
"Right Gripper Open",
"Right Gripper Close",
"Open ROS Topic/Node List Monitor",
"Open Controller Topic Monitor",
],
"Diagnostics": [
"ROS Doctor Report",
"XR-RM Bringup Prefix",
"XR-RM Input Prefix",
"XR-RM Teleop Prefix",
"XR-RM MuJoCo Prefix",
"Open Controller Position Monitor",
"Open Controller Hz Monitor",
"Open ROS Topic/Node List Monitor",
"Open Controller Topic Monitor",
],
}
self.assertEqual(launcher_ui.MODES, list(expected_titles))
for mode, titles in expected_titles.items():
actual = [
indexed_title.split(". ", 1)[1]
for indexed_title, _command in launcher_ui.build_commands_by_mode(mode)
]
self.assertEqual(actual, titles)
def test_mujoco_launches_distinguish_mock_and_real_hardware(self) -> None:
commands = dict(launcher_ui.build_commands_by_mode("MuJoCo"))
self.assertIn(
"arm:=both use_mock:=true use_mujoco:=true",
commands["1. Dual Arm MuJoCo Mock Launch"],
)
self.assertIn(
"arm:=both use_mock:=false use_mujoco:=true",
commands["2. Dual Arm MuJoCo Real Hardware Launch"],
)
def test_cmd_vel_monitor_is_completely_removed(self) -> None:
self.assertFalse(hasattr(launcher_ui, "CMD_VEL_MONITOR_ACTION"))
for mode in launcher_ui.MODES:
self.assertNotIn("cmd_vel", repr(launcher_ui.build_commands_by_mode(mode)))
def test_environment_check_includes_mujoco_package(self) -> None:
app = object.__new__(launcher_ui.LauncherApp)
app.workspace_root = launcher_ui._find_workspace_root()
app.terminal_command = lambda _title, _script: ["terminal"]
app.x_terminal_target = lambda: "terminator"
checked_packages = []
app._ros_package_available = lambda package: checked_packages.append(package) or True
app.show_text_dialog = lambda *_args: None
app.status = mock.Mock()
with mock.patch.object(
launcher_ui.shutil,
"which",
return_value="/usr/bin/x-terminal-emulator",
):
app.check_prerequisites()
self.assertEqual(
checked_packages,
["xr_rm_bringup", "xr_rm_input", "xr_rm_teleop", "xr_rm_mujoco"],
)
class LauncherCleanupTest(unittest.TestCase):
def test_xrobotoolkit_cleanup_policy_only_stops_service_on_window_close(self) -> None:
stop_all_patterns = set(
@@ -89,6 +183,34 @@ class LauncherCleanupTest(unittest.TestCase):
],
)
def test_stop_all_and_window_close_stop_mujoco(self) -> None:
for stop_pc_service in (False, True):
app = object.__new__(launcher_ui.LauncherApp)
app.status = mock.Mock()
app.close_related_terminal_windows = lambda: 0
def fake_check_output(command, **_kwargs):
if command == ["pgrep", "-f", "dual_arm_simulator"]:
return "404\n"
raise subprocess.CalledProcessError(1, command)
with (
mock.patch.object(
launcher_ui.subprocess,
"check_output",
side_effect=fake_check_output,
),
mock.patch.object(launcher_ui.os, "kill") as kill,
mock.patch.object(launcher_ui.time, "sleep"),
):
app.stop_launched_processes(
confirm=False,
notify=False,
stop_pc_service=stop_pc_service,
)
kill.assert_called_once_with(404, signal.SIGTERM)
if __name__ == "__main__":
unittest.main()
+60 -124
View File
@@ -1,8 +1,8 @@
#!/usr/bin/env python3
"""XR-RM 桌面调试启动器。
提供 Tkinter 图形界面,按“仿真/左臂/右臂/双臂/诊断”组织常用 ROS2
launch、sample_udp_sender、topic 监控和环境检查命令,降低现场调试时的命令输入成本。
提供 Tkinter 图形界面,按“仿真/MuJoCo/真机/诊断”组织常用 ROS2 launch、
sample_udp_sender、topic 监控和环境检查命令,降低现场调试时的命令输入成本。
"""
from __future__ import annotations
@@ -44,8 +44,6 @@ SAMPLE_SENDER_ARGS = (
TERMINAL_TITLE_PREFIX = "XR-RM Terminal - "
TOPIC_MONITOR_TITLE = "XR-RM Topic Monitor"
TOPIC_MONITOR_ACTION = "__xr_rm_topic_monitor__"
CMD_VEL_MONITOR_TITLE = "XR-RM Target Velocity Monitor"
CMD_VEL_MONITOR_ACTION = "__xr_rm_cmd_vel_monitor__"
ROS_GRAPH_MONITOR_TITLE = "XR-RM ROS Graph Monitor"
ROS_GRAPH_MONITOR_ACTION = "__xr_rm_ros_graph_monitor__"
@@ -54,11 +52,6 @@ TOPIC_MONITORS = [
("Right Controller", "/xr/right_controller"),
]
CMD_VEL_MONITORS = [
("Left Target Vel", "/xr_rm/left_rm75/cmd_vel"),
("Right Target Vel", "/xr_rm/right_rm75/cmd_vel"),
]
CONTROLLER_POSITION_MONITOR_TITLE = "XR-RM Controller Position Monitor"
CONTROLLER_POSITION_MONITOR_ACTION = "__xr_rm_controller_position_monitor__"
CONTROLLER_HZ_MONITOR_TITLE = "XR-RM Controller Hz Monitor"
@@ -81,9 +74,8 @@ ROS_GRAPH_MONITORS = [
MODES = [
"Simulation",
"Left Arm",
"Right Arm",
"Dual Arm",
"MuJoCo",
"Real Hardware",
"Diagnostics",
]
@@ -177,21 +169,6 @@ def _source_lines(workspace_root: Path) -> list[str]:
return lines
def _one_click_mock(arm: str, hand: str) -> str:
sender_seconds = SAMPLE_SENDER_STAGGERED_SECONDS if hand == "both" else SAMPLE_SENDER_SECONDS
both_mode = "staggered" if hand == "both" else "synchronized"
return "\n".join([
f"ros2 launch xr_rm_bringup arm_debug.launch.py arm:={arm} use_mock:=true &",
"launch_pid=$!",
"sleep 2",
_sample_udp_sender_command(hand, sender_seconds, both_mode),
"echo",
"echo 'Sample sender finished. The launch process is still running in this terminal.'",
"echo 'Press Ctrl-C here, or use the cleanup button in the launcher, to stop it.'",
"wait \"$launch_pid\"",
])
def _diagnostic_commands() -> list[tuple[str, str]]:
return [
("Open ROS Topic/Node List Monitor", ROS_GRAPH_MONITOR_ACTION),
@@ -202,14 +179,9 @@ def _topic_monitor_item() -> tuple[str, str]:
return ("Open Controller Topic Monitor", TOPIC_MONITOR_ACTION)
def _cmd_vel_monitor_item() -> tuple[str, str]:
return ("Open Target Velocity Monitor", CMD_VEL_MONITOR_ACTION)
def _is_topic_monitor_action(action: str) -> bool:
return action in (
TOPIC_MONITOR_ACTION,
CMD_VEL_MONITOR_ACTION,
CONTROLLER_POSITION_MONITOR_ACTION,
CONTROLLER_HZ_MONITOR_ACTION,
)
@@ -232,14 +204,6 @@ def _topic_monitor_spec(action: str) -> tuple[str, list[tuple[str, str]], str, s
"xr_rm_controller_hz_monitor_",
"controller hz topic",
)
if action == CMD_VEL_MONITOR_ACTION:
return (
CMD_VEL_MONITOR_TITLE,
[(title, f"ros2 topic echo {topic}") for title, topic in CMD_VEL_MONITORS],
"xr_rm_cmd_vel_monitor",
"xr_rm_cmd_vel_monitor_",
"target velocity topic",
)
return (
TOPIC_MONITOR_TITLE,
[(title, f"ros2 topic echo {topic}") for title, topic in TOPIC_MONITORS],
@@ -249,16 +213,10 @@ def _topic_monitor_spec(action: str) -> tuple[str, list[tuple[str, str]], str, s
)
def _finalize_items(
items: list[tuple[str, str]],
one_click: tuple[str, str] | None = None,
) -> list[tuple[str, str]]:
def _finalize_items(items: list[tuple[str, str]]) -> list[tuple[str, str]]:
final_items = items + _diagnostic_commands() + [
_topic_monitor_item(),
_cmd_vel_monitor_item(),
]
if one_click is not None:
final_items.append(one_click)
return _with_index(final_items)
@@ -266,25 +224,64 @@ def build_commands_by_mode(mode: str) -> list[tuple[str, str]]:
# UI 列表只维护命令模板;真正执行时统一套上工作空间 source 和终端包装。
if mode == "Simulation":
items = [
("Left Arm Mock Launch", "ros2 launch xr_rm_bringup arm_debug.launch.py arm:=left use_mock:=true"),
("Right Arm Mock Launch", "ros2 launch xr_rm_bringup arm_debug.launch.py arm:=right use_mock:=true"),
("Dual Arm Mock Launch", "ros2 launch xr_rm_bringup arm_debug.launch.py arm:=both use_mock:=true"),
("XRobotoolkit UDP Bridge (90 Hz)", _xrobotoolkit_bridge_command()),
(
"Sample UDP Sender (Left, 30s)",
_sample_udp_sender_command("left"),
),
(
"Sample UDP Sender (Right, 30s)",
_sample_udp_sender_command("right"),
),
(
"Sample UDP Sender (Both Staggered, 60s)",
_sample_udp_sender_command("both", SAMPLE_SENDER_STAGGERED_SECONDS, "staggered"),
),
("One-Click Left Mock Demo", _one_click_mock("left", "left")),
("One-Click Right Mock Demo", _one_click_mock("right", "right")),
("One-Click Dual Mock Demo", _one_click_mock("both", "both")),
(
"Open Controller Hz Monitor",
CONTROLLER_HZ_MONITOR_ACTION,
),
]
elif mode == "MuJoCo":
items = [
(
"Dual Arm MuJoCo Mock Launch",
"ros2 launch xr_rm_bringup arm_debug.launch.py "
"arm:=both use_mock:=true use_mujoco:=true",
),
(
"Dual Arm MuJoCo Real Hardware Launch",
"ros2 launch xr_rm_bringup arm_debug.launch.py "
"arm:=both use_mock:=false use_mujoco:=true",
),
("XRobotoolkit UDP Bridge (90 Hz)", _xrobotoolkit_bridge_command()),
(
"Open Controller Hz Monitor",
CONTROLLER_HZ_MONITOR_ACTION,
),
]
elif mode == "Real Hardware":
items = [
("Ping Left RM75", f"ping -c 4 {DEFAULT_LEFT_IP}"),
("Ping Right RM75", f"ping -c 4 {DEFAULT_RIGHT_IP}"),
(
"Left Arm RealMan Launch",
"ros2 launch xr_rm_bringup arm_debug.launch.py arm:=left use_mock:=false",
),
(
"Right Arm RealMan Launch",
"ros2 launch xr_rm_bringup arm_debug.launch.py arm:=right use_mock:=false",
),
(
"Dual Arm RealMan Launch",
"ros2 launch xr_rm_bringup arm_debug.launch.py arm:=both use_mock:=false",
),
("XRobotoolkit UDP Bridge (90 Hz)", _xrobotoolkit_bridge_command()),
("Left Gripper Open", _tool_command("left", True)),
("Left Gripper Close", _tool_command("left", False)),
("Right Gripper Open", _tool_command("right", True)),
("Right Gripper Close", _tool_command("right", False)),
]
else:
items = [
("ROS Doctor Report", "ros2 doctor --report"),
("XR-RM Bringup Prefix", "ros2 pkg prefix xr_rm_bringup"),
("XR-RM Input Prefix", "ros2 pkg prefix xr_rm_input"),
("XR-RM Teleop Prefix", "ros2 pkg prefix xr_rm_teleop"),
("XR-RM MuJoCo Prefix", "ros2 pkg prefix xr_rm_mujoco"),
(
"Open Controller Position Monitor",
CONTROLLER_POSITION_MONITOR_ACTION,
@@ -294,64 +291,7 @@ def build_commands_by_mode(mode: str) -> list[tuple[str, str]]:
CONTROLLER_HZ_MONITOR_ACTION,
),
]
one_click = None
elif mode == "Left Arm":
items = [
("Ping Left RM75", f"ping -c 4 {DEFAULT_LEFT_IP}"),
(
"Left Arm RealMan Launch",
"ros2 launch xr_rm_bringup arm_debug.launch.py arm:=left use_mock:=false",
),
("XRobotoolkit UDP Bridge (90 Hz)", _xrobotoolkit_bridge_command()),
("Left Tool Open", _tool_command("left", True)),
("Left Tool Close", _tool_command("left", False)),
(
"Sample UDP Sender (Left, 30s)",
_sample_udp_sender_command("left"),
),
]
one_click = None
elif mode == "Right Arm":
items = [
("Ping Right RM75", f"ping -c 4 {DEFAULT_RIGHT_IP}"),
(
"Right Arm RealMan Launch",
"ros2 launch xr_rm_bringup arm_debug.launch.py arm:=right use_mock:=false",
),
("XRobotoolkit UDP Bridge (90 Hz)", _xrobotoolkit_bridge_command()),
("Right Tool Open", _tool_command("right", True)),
("Right Tool Close", _tool_command("right", False)),
(
"Sample UDP Sender (Right, 30s)",
_sample_udp_sender_command("right"),
),
]
one_click = None
elif mode == "Dual Arm":
items = [
("Ping Left RM75", f"ping -c 4 {DEFAULT_LEFT_IP}"),
("Ping Right RM75", f"ping -c 4 {DEFAULT_RIGHT_IP}"),
(
"Dual Arm RealMan Launch",
"ros2 launch xr_rm_bringup arm_debug.launch.py arm:=both use_mock:=false",
),
("XRobotoolkit UDP Bridge (90 Hz)", _xrobotoolkit_bridge_command()),
(
"Sample UDP Sender (Both Staggered, 60s)",
_sample_udp_sender_command("both", SAMPLE_SENDER_STAGGERED_SECONDS, "staggered"),
),
]
one_click = None
else:
items = [
("ROS Doctor Report", "ros2 doctor --report"),
("XR-RM Bringup Prefix", "ros2 pkg prefix xr_rm_bringup"),
("XR-RM Input Prefix", "ros2 pkg prefix xr_rm_input"),
("XR-RM Teleop Prefix", "ros2 pkg prefix xr_rm_teleop"),
("XRobotoolkit UDP Bridge (90 Hz)", _xrobotoolkit_bridge_command()),
]
one_click = None
return _finalize_items(items, one_click)
return _finalize_items(items)
class LauncherApp:
@@ -608,7 +548,7 @@ class LauncherApp:
else:
warnings.append("[WARN] Could not identify x-terminal-emulator target.")
for package in ("xr_rm_bringup", "xr_rm_input", "xr_rm_teleop"):
for package in ("xr_rm_bringup", "xr_rm_input", "xr_rm_teleop", "xr_rm_mujoco"):
if self._ros_package_available(package):
ok.append(f"[OK] ROS package available: {package}")
else:
@@ -1254,7 +1194,6 @@ class LauncherApp:
title_patterns = (
TERMINAL_TITLE_PREFIX,
TOPIC_MONITOR_TITLE,
CMD_VEL_MONITOR_TITLE,
CONTROLLER_POSITION_MONITOR_TITLE,
CONTROLLER_HZ_MONITOR_TITLE,
ROS_GRAPH_MONITOR_TITLE,
@@ -1326,24 +1265,21 @@ class LauncherApp:
*_xrobotoolkit_cleanup_patterns(stop_pc_service=stop_pc_service),
TERMINAL_TITLE_PREFIX,
TOPIC_MONITOR_TITLE,
CMD_VEL_MONITOR_TITLE,
ROS_GRAPH_MONITOR_TITLE,
"xr_rm_topic_monitor_",
"xr_rm_cmd_vel_monitor_",
"xr_rm_controller_position_monitor_",
"xr_rm_controller_hz_monitor_",
"xr_rm_ros_graph_monitor_",
"udp_controller_receiver",
"sample_udp_sender",
"single_arm_velocity_teleop",
"dual_arm_simulator",
"ros2 topic echo /xr/left_controller --field pose.position",
"ros2 topic echo /xr/right_controller --field pose.position",
"ros2 topic echo /xr/left_controller",
"ros2 topic echo /xr/right_controller",
"ros2 topic hz /xr/left_controller",
"ros2 topic hz /xr/right_controller",
"ros2 topic echo /xr_rm/left_rm75/cmd_vel",
"ros2 topic echo /xr_rm/right_rm75/cmd_vel",
"ros2 topic list",
"ros2 node list",
]
+24
View File
@@ -0,0 +1,24 @@
<?xml version="1.0"?>
<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
<package format="3">
<name>xr_rm_mujoco</name>
<version>0.1.0</version>
<description>MuJoCo kinematic visualization for the dual RM75 platform.</description>
<maintainer email="user@example.com">Yikai Fu</maintainer>
<license>Apache-2.0</license>
<buildtool_depend>ament_python</buildtool_depend>
<exec_depend>rclpy</exec_depend>
<exec_depend>sensor_msgs</exec_depend>
<exec_depend>xr_rm_teleop</exec_depend>
<test_depend>ament_lint_auto</test_depend>
<test_depend>ament_lint_common</test_depend>
<test_depend>python3-pytest</test_depend>
<test_depend>python3-yaml</test_depend>
<export>
<build_type>ament_python</build_type>
</export>
</package>
+1
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@@ -0,0 +1 @@
+4
View File
@@ -0,0 +1,4 @@
[develop]
script_dir=$base/lib/xr_rm_mujoco
[install]
install_scripts=$base/lib/xr_rm_mujoco
+28
View File
@@ -0,0 +1,28 @@
"""MuJoCo 双 RM75 运动学显示包安装配置。"""
from setuptools import setup
package_name = "xr_rm_mujoco"
setup(
name=package_name,
version="0.1.0",
packages=[package_name],
data_files=[
("share/ament_index/resource_index/packages", [f"resource/{package_name}"]),
(f"share/{package_name}", ["package.xml"]),
],
install_requires=["setuptools"],
zip_safe=True,
maintainer="Yikai Fu",
maintainer_email="user@example.com",
description="MuJoCo kinematic visualization for the dual RM75 platform.",
license="Apache-2.0",
tests_require=["pytest"],
entry_points={
"console_scripts": [
"dual_arm_simulator = xr_rm_mujoco.dual_arm_simulator:main",
],
},
)
+11
View File
@@ -0,0 +1,11 @@
"""让 ROS2 系统 pytest 复用项目固定 XR 环境中的 MuJoCo。"""
import sys
from pathlib import Path
XR_SITE_PACKAGES = Path(
"/home/robot/miniconda3/envs/xr/lib/python3.10/site-packages"
)
if XR_SITE_PACKAGES.is_dir():
sys.path.append(str(XR_SITE_PACKAGES))
@@ -0,0 +1,137 @@
import math
from pathlib import Path
from types import SimpleNamespace
from unittest.mock import Mock
import pytest
import yaml
from xr_rm_mujoco import dual_arm_simulator as simulator_module
from xr_rm_mujoco.dual_arm_simulator import (
ARM_JOINT_NAMES,
DualArmKinematicModel,
)
SRC_DIR = Path(__file__).resolve().parents[2]
URDF_PATH = (
SRC_DIR / "xr_rm_teleop" / "models" / "dual_rm75" / "Dual_arm.urdf"
)
DUAL_CONFIG_PATH = SRC_DIR / "xr_rm_bringup" / "config" / "dual_arm_rm75.yaml"
MUJOCO_CONFIG_PATH = (
SRC_DIR / "xr_rm_bringup" / "config" / "dual_arm_mujoco.yaml"
)
def test_dual_urdf_loads_with_expected_joint_mapping() -> None:
simulation = DualArmKinematicModel(str(URDF_PATH))
assert simulation.model.nq == 14
assert simulation.model.nv == 14
assert ARM_JOINT_NAMES == {
"left": tuple(f"scissor_joint_{index}" for index in range(1, 8)),
"right": tuple(f"omnipic_joint_{index}" for index in range(1, 8)),
}
assert not simulation.ready
def test_joint_messages_are_mapped_by_name_not_array_order() -> None:
simulation = DualArmKinematicModel(str(URDF_PATH))
names = list(reversed(ARM_JOINT_NAMES["left"]))
values = [float(index) / 10.0 for index in range(7)]
simulation.apply_arm_state("left", names, values)
by_name = dict(zip(names, values))
assert simulation.joint_positions("left") == pytest.approx(
[by_name[name] for name in ARM_JOINT_NAMES["left"]]
)
assert not simulation.ready
def test_yaml_initial_poses_populate_both_arms() -> None:
simulation = DualArmKinematicModel(str(URDF_PATH))
with DUAL_CONFIG_PATH.open(encoding="utf-8") as stream:
config = yaml.safe_load(stream)
for arm, node_name in (
("left", "left_arm_teleop"),
("right", "right_arm_teleop"),
):
degrees = config[node_name]["ros__parameters"]["initial_joint_pose"]
radians = [math.radians(value) for value in degrees]
simulation.apply_arm_state(arm, ARM_JOINT_NAMES[arm], radians)
assert simulation.joint_positions(arm) == pytest.approx(radians)
assert simulation.ready
def test_mujoco_config_contains_only_render_parameters() -> None:
with MUJOCO_CONFIG_PATH.open(encoding="utf-8") as stream:
parameters = yaml.safe_load(stream)["dual_arm_simulator"]["ros__parameters"]
assert parameters == {"render_rate_hz": 60.0}
def test_main_closes_viewer_cleanly_on_keyboard_interrupt(monkeypatch) -> None:
close_viewer = simulator_module.DualArmSimulator.close_viewer
viewer = Mock()
node = SimpleNamespace(_viewer=viewer, destroy_node=Mock())
node.close_viewer = lambda: close_viewer(node)
init = Mock()
spin = Mock(side_effect=KeyboardInterrupt)
sleep = Mock(side_effect=[KeyboardInterrupt, None])
monotonic = Mock(side_effect=[0.0, 0.0, 0.04])
shutdown = Mock()
monkeypatch.setattr(simulator_module, "DualArmSimulator", lambda: node)
monkeypatch.setattr(simulator_module.rclpy, "init", init)
monkeypatch.setattr(simulator_module.rclpy, "spin", spin)
monkeypatch.setattr(simulator_module.rclpy, "ok", lambda: True)
monkeypatch.setattr(simulator_module.time, "sleep", sleep)
monkeypatch.setattr(simulator_module.time, "monotonic", monotonic)
monkeypatch.setattr(simulator_module.rclpy, "shutdown", shutdown)
simulator_module.main(["--test"])
init.assert_called_once_with(args=["--test"])
spin.assert_called_once_with(node)
viewer.close.assert_called_once_with()
assert [call.args[0] for call in sleep.call_args_list] == pytest.approx(
[0.1, 0.06]
)
node.destroy_node.assert_called_once_with()
shutdown.assert_called_once_with()
assert node._viewer is None
@pytest.mark.parametrize(
("names", "positions", "match"),
[
(list(ARM_JOINT_NAMES["left"][:-1]), [0.0] * 6, "expected"),
(list(ARM_JOINT_NAMES["left"]), [0.0] * 6, "same length"),
(
[ARM_JOINT_NAMES["left"][0]] * 7,
[0.0] * 7,
"unique",
),
(
list(ARM_JOINT_NAMES["left"]),
[0.0] * 6 + [math.nan],
"finite",
),
],
)
def test_invalid_joint_state_is_rejected_without_partial_update(
names: list[str],
positions: list[float],
match: str,
) -> None:
simulation = DualArmKinematicModel(str(URDF_PATH))
valid = [0.1] * 7
simulation.apply_arm_state("left", ARM_JOINT_NAMES["left"], valid)
with pytest.raises(ValueError, match=match):
simulation.apply_arm_state("left", names, positions)
assert simulation.joint_positions("left") == pytest.approx(valid)
+1
View File
@@ -0,0 +1 @@
"""双 RM75 MuJoCo 运动学显示包。"""
@@ -0,0 +1,214 @@
"""使用现有双 RM75 URDF 的 MuJoCo 运动学状态映射。"""
from __future__ import annotations
import math
from pathlib import Path
import time
from typing import Callable
import mujoco
import mujoco.viewer
import rclpy
from rclpy.node import Node
from sensor_msgs.msg import JointState
ARM_JOINT_NAMES = {
"left": tuple(f"scissor_joint_{index}" for index in range(1, 8)),
"right": tuple(f"omnipic_joint_{index}" for index in range(1, 8)),
}
STATE_TOPICS = {
"left": "/xr_rm/left_rm75/joint_states",
"right": "/xr_rm/right_rm75/joint_states",
}
class DualArmKinematicModel:
"""加载双臂 URDF,并按关节名更新 MuJoCo qpos。"""
def __init__(self, urdf_path: str) -> None:
path = Path(urdf_path).expanduser().resolve()
if not path.is_file():
raise FileNotFoundError(f"dual RM75 URDF not found: {path}")
self.model = mujoco.MjModel.from_xml_path(str(path))
self.data = mujoco.MjData(self.model)
self._qpos_addresses: dict[str, dict[str, int]] = {}
self._received_arms: set[str] = set()
for arm, names in ARM_JOINT_NAMES.items():
addresses = {}
for name in names:
joint_id = mujoco.mj_name2id(
self.model,
mujoco.mjtObj.mjOBJ_JOINT,
name,
)
if joint_id < 0:
raise RuntimeError(f"MuJoCo joint not found: {name}")
if self.model.jnt_type[joint_id] != mujoco.mjtJoint.mjJNT_HINGE:
raise RuntimeError(f"MuJoCo joint must be hinge: {name}")
addresses[name] = int(self.model.jnt_qposadr[joint_id])
self._qpos_addresses[arm] = addresses
@property
def ready(self) -> bool:
return self._received_arms == set(ARM_JOINT_NAMES)
def apply_arm_state(
self,
arm: str,
names: list[str] | tuple[str, ...],
positions: list[float] | tuple[float, ...],
) -> None:
if arm not in ARM_JOINT_NAMES:
raise ValueError("arm must be left or right")
if len(names) != len(positions):
raise ValueError("joint names and positions must have the same length")
if len(set(names)) != len(names):
raise ValueError("joint names must be unique")
expected = set(ARM_JOINT_NAMES[arm])
if set(names) != expected:
raise ValueError(f"joint names must match expected {arm} joints")
values = [float(value) for value in positions]
if not all(math.isfinite(value) for value in values):
raise ValueError("joint positions must be finite")
by_name = dict(zip(names, values))
updates = [
(self._qpos_addresses[arm][name], by_name[name])
for name in ARM_JOINT_NAMES[arm]
]
for address, value in updates:
self.data.qpos[address] = value
mujoco.mj_forward(self.model, self.data)
self._received_arms.add(arm)
def joint_positions(self, arm: str) -> list[float]:
if arm not in ARM_JOINT_NAMES:
raise ValueError("arm must be left or right")
return [
float(self.data.qpos[self._qpos_addresses[arm][name]])
for name in ARM_JOINT_NAMES[arm]
]
class DualArmSimulator(Node):
"""订阅左右关节反馈并刷新一个 MuJoCo 双臂 viewer。"""
def __init__(
self,
viewer_factory: Callable = mujoco.viewer.launch_passive,
) -> None:
super().__init__("dual_arm_simulator")
self.declare_parameter("robot_urdf_path", "")
self.declare_parameter("render_rate_hz", 60.0)
render_rate_hz = float(self.get_parameter("render_rate_hz").value)
if not math.isfinite(render_rate_hz) or render_rate_hz <= 0.0:
raise ValueError("render_rate_hz must be finite and > 0")
self._kinematics = DualArmKinematicModel(
str(self.get_parameter("robot_urdf_path").value)
)
self._viewer_factory = viewer_factory
self._viewer = None
self._subscriptions = [
self.create_subscription(
JointState,
topic,
lambda message, selected_arm=arm: self._on_joint_state(
selected_arm,
message,
),
10,
)
for arm, topic in STATE_TOPICS.items()
]
self.create_timer(1.0 / render_rate_hz, self._render)
self.get_logger().info(
"MuJoCo 双臂节点已启动,等待左右关节状态,"
f"render_rate_hz={render_rate_hz:.1f}"
)
def _on_joint_state(self, arm: str, message: JointState) -> None:
try:
if self._viewer is None:
self._kinematics.apply_arm_state(
arm,
list(message.name),
list(message.position),
)
else:
with self._viewer.lock():
self._kinematics.apply_arm_state(
arm,
list(message.name),
list(message.position),
)
except (RuntimeError, ValueError) as exc:
self.get_logger().warn(
f"拒绝 {arm} 关节状态:{exc}",
throttle_duration_sec=1.0,
)
def _render(self) -> None:
for topic in STATE_TOPICS.values():
publisher_count = self.count_publishers(topic)
if publisher_count > 1:
self.get_logger().warn(
f"关节状态话题存在多个发布者:{topic}, count={publisher_count}",
throttle_duration_sec=5.0,
)
if not self._kinematics.ready:
return
if self._viewer is None:
self._viewer = self._viewer_factory(
self._kinematics.model,
self._kinematics.data,
)
if not self._viewer.is_running():
self.get_logger().info("MuJoCo viewer 已关闭。")
rclpy.shutdown()
return
self._viewer.sync()
def close_viewer(self) -> None:
if self._viewer is not None:
self._viewer.close()
# MuJoCo 在后台 daemon 线程释放 GLX;立即退出解释器会触发段错误。
deadline = time.monotonic() + 0.1
while True:
remaining = deadline - time.monotonic()
if remaining <= 0.0:
break
try:
time.sleep(remaining)
break
except KeyboardInterrupt:
continue
self._viewer = None
def main(args=None) -> None:
rclpy.init(args=args)
node = None
try:
node = DualArmSimulator()
rclpy.spin(node)
except KeyboardInterrupt:
pass
finally:
if node is not None:
node.close_viewer()
node.destroy_node()
if rclpy.ok():
rclpy.shutdown()
if __name__ == "__main__":
main()
+555
View File
@@ -0,0 +1,555 @@
<?xml version='1.0' encoding='utf-8'?>
<robot name="rm75_dual_arm">
<!--Shared supporting base. Adjust the two mount joint origins to match the CAD mounting frames.-->
<link name="dual_arm_base_link">
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/dual_arm_base.stl" scale="1 1 1" />
</geometry>
<material name="dual_arm_base_material">
<color rgba="0.5 0.5 0.5 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/dual_arm_base.stl" scale="1 1 1" />
</geometry>
</collision>
</link>
<link name="omnipic_base_link">
<inertial>
<origin xyz="0.00049987 5.2709E-05 0.060019" rpy="0 0 0" />
<mass value="1.862" />
<inertia ixx="0.0017232" ixy="-3.1058E-06" ixz="-3.7924E-05" iyy="0.0017051" iyz="1.3691E-06" izz="0.00090158" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/base_link.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/base_link.STL" />
</geometry>
</collision>
</link>
<link name="omnipic_link_1">
<inertial>
<origin xyz="0.000241 -0.013273 -0.00995" rpy="0 0 0" />
<mass value="1.574" />
<inertia ixx="0.002487573" ixy="0.000009663" ixz="-0.000007909" iyy="0.002321038" iyz="0.000179393" izz="0.001450554" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_1.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_1.STL" />
</geometry>
</collision>
</link>
<joint name="omnipic_joint_1" type="revolute">
<origin xyz="0 0 0.2405" rpy="0 0 0" />
<parent link="omnipic_base_link" />
<child link="omnipic_link_1" />
<axis xyz="0 0 1" />
<limit lower="-3.106" upper="3.106" effort="60" velocity="3.14" />
</joint>
<link name="omnipic_link_2">
<inertial>
<origin xyz="-0.000357 -0.106789 0.005329" rpy="0 0 0" />
<mass value="1.217" />
<inertia ixx="0.003494121" ixy="0.000002921" ixz="-0.000005613" iyy="0.000892721" iyz="-0.000583884" izz="0.003444080" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_2.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_2.STL" />
</geometry>
</collision>
</link>
<joint name="omnipic_joint_2" type="revolute">
<origin xyz="0 0 0" rpy="-1.5708 0 0" />
<parent link="omnipic_link_1" />
<child link="omnipic_link_2" />
<axis xyz="0 0 1" />
<limit lower="-2.2689" upper="2.2689" effort="60" velocity="3.14" />
</joint>
<link name="omnipic_link_3">
<inertial>
<origin xyz="0.000003 -0.01398 -0.011324" rpy="0 0 0" />
<mass value="1.11" />
<inertia ixx="0.001836663" ixy="0.000002259" ixz="-0.000004216" iyy="0.001498875" iyz="0.000037167" izz="0.001062545" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_3.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_3.STL" />
</geometry>
</collision>
</link>
<joint name="omnipic_joint_3" type="revolute">
<origin xyz="0 -0.256 0" rpy="1.5708 0 0" />
<parent link="omnipic_link_2" />
<child link="omnipic_link_3" />
<axis xyz="0 0 1" />
<limit lower="-3.106" upper="3.106" effort="30" velocity="3.14" />
</joint>
<link name="omnipic_link_4">
<inertial>
<origin xyz="-0.000005 -0.084658 0.004747" rpy="0 0 0" />
<mass value="0.685" />
<inertia ixx="0.001282444" ixy="-0.000000551" ixz="-0.000000630" iyy="0.000373013" iyz="-0.000232084" izz="0.001256177" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_4.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_4.STL" />
</geometry>
</collision>
</link>
<joint name="omnipic_joint_4" type="revolute">
<origin xyz="0 0 0" rpy="-1.5708 0 0" />
<parent link="omnipic_link_3" />
<child link="omnipic_link_4" />
<axis xyz="0 0 1" />
<limit lower="-2.356" upper="2.356" effort="30" velocity="3.14" />
</joint>
<link name="omnipic_link_5">
<inertial>
<origin xyz="0.000078 -0.012937 -0.008781" rpy="0 0 0" />
<mass value="0.619" />
<inertia ixx="0.000627336" ixy="0.000001636" ixz="-0.000001345" iyy="0.000542455" iyz="0.000034970" izz="0.000370291" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_5.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_5.STL" />
</geometry>
</collision>
</link>
<joint name="omnipic_joint_5" type="revolute">
<origin xyz="0 -0.21 0" rpy="1.5708 0 0" />
<parent link="omnipic_link_4" />
<child link="omnipic_link_5" />
<axis xyz="0 0 1" />
<limit lower="-3.106" upper="3.106" effort="10" velocity="3.14" />
</joint>
<link name="omnipic_link_6">
<inertial>
<origin xyz="-0.000014 -0.078524 0.002819" rpy="0 0 0" />
<mass value="0.602" />
<inertia ixx="0.000780774" ixy="-0.000000121" ixz="-0.000000469" iyy="0.000289973" iyz="-0.000120513" izz="0.000763955" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_6.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_6.STL" />
</geometry>
</collision>
</link>
<joint name="omnipic_joint_6" type="revolute">
<origin xyz="0 0 0" rpy="-1.5708 0 0" />
<parent link="omnipic_link_5" />
<child link="omnipic_link_6" />
<axis xyz="0 0 1" />
<limit lower="-2.234" upper="2.234" effort="10" velocity="3.14" />
</joint>
<link name="omnipic_link_7">
<inertial>
<origin xyz="0.001094 -0.000077 -0.010119" rpy="0 0 0" />
<mass value="0.107" />
<inertia ixx="0.000044123" ixy="-0.000000064" ixz="0.0000003" iyy="0.000035078" iyz="-0.000000029" izz="0.000065445" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_7.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_7.STL" />
</geometry>
</collision>
</link>
<joint name="omnipic_joint_7" type="revolute">
<origin xyz="0 -0.144 0" rpy="1.5708 0 0" />
<parent link="omnipic_link_6" />
<child link="omnipic_link_7" />
<axis xyz="0 0 1" />
<limit lower="-6.28" upper="6.28" effort="10" velocity="3.14" />
</joint>
<link name="omnipic_gripper_link">
<inertial>
<origin xyz="0 0 0" rpy="0 0 0" />
<mass value="0.1" />
<inertia ixx="0.0001" ixy="0" ixz="0" iyy="0.0001" iyz="0" izz="0.0001" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/OmniPic.stl" scale="1 1 1" />
</geometry>
<material name="omnipic_OmniPic_material">
<color rgba="0.7 0.7 0.7 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/OmniPic.stl" scale="1 1 1" />
</geometry>
</collision>
</link>
<joint name="omnipic_OmniPic_fixed_joint" type="fixed">
<parent link="omnipic_link_7" />
<child link="omnipic_gripper_link" />
<origin xyz="0 0 0" rpy="0 0 0" />
</joint>
<link name="omnipic_OmniPic_tcp" />
<joint name="omnipic_OmniPic_tcp_fixed" type="fixed">
<parent link="omnipic_gripper_link" />
<child link="omnipic_OmniPic_tcp" />
<origin xyz="0 0 0.14" rpy="0 0 0" />
</joint>
<!--Omnipic arm mount (physical right): edit xyz/rpy to match dual_arm_base.stl.-->
<joint name="omnipic_base_mount_joint" type="fixed">
<parent link="dual_arm_base_link" />
<child link="omnipic_base_link" />
<origin xyz="0.03 0 0" rpy="3.1416 -1.5708 0" />
</joint>
<link name="scissor_base_link">
<inertial>
<origin xyz="0.00049987 5.2709E-05 0.060019" rpy="0 0 0" />
<mass value="1.862" />
<inertia ixx="0.0017232" ixy="-3.1058E-06" ixz="-3.7924E-05" iyy="0.0017051" iyz="1.3691E-06" izz="0.00090158" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/base_link.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/base_link.STL" />
</geometry>
</collision>
</link>
<link name="scissor_link_1">
<inertial>
<origin xyz="0.000241 -0.013273 -0.00995" rpy="0 0 0" />
<mass value="1.574" />
<inertia ixx="0.002487573" ixy="0.000009663" ixz="-0.000007909" iyy="0.002321038" iyz="0.000179393" izz="0.001450554" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_1.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_1.STL" />
</geometry>
</collision>
</link>
<joint name="scissor_joint_1" type="revolute">
<origin xyz="0 0 0.2405" rpy="0 0 0" />
<parent link="scissor_base_link" />
<child link="scissor_link_1" />
<axis xyz="0 0 1" />
<limit lower="-3.106" upper="3.106" effort="60" velocity="3.14" />
</joint>
<link name="scissor_link_2">
<inertial>
<origin xyz="-0.000357 -0.106789 0.005329" rpy="0 0 0" />
<mass value="1.217" />
<inertia ixx="0.003494121" ixy="0.000002921" ixz="-0.000005613" iyy="0.000892721" iyz="-0.000583884" izz="0.003444080" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_2.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_2.STL" />
</geometry>
</collision>
</link>
<joint name="scissor_joint_2" type="revolute">
<origin xyz="0 0 0" rpy="-1.5708 0 0" />
<parent link="scissor_link_1" />
<child link="scissor_link_2" />
<axis xyz="0 0 1" />
<limit lower="-2.2689" upper="2.2689" effort="60" velocity="3.14" />
</joint>
<link name="scissor_link_3">
<inertial>
<origin xyz="0.000003 -0.01398 -0.011324" rpy="0 0 0" />
<mass value="1.11" />
<inertia ixx="0.001836663" ixy="0.000002259" ixz="-0.000004216" iyy="0.001498875" iyz="0.000037167" izz="0.001062545" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_3.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_3.STL" />
</geometry>
</collision>
</link>
<joint name="scissor_joint_3" type="revolute">
<origin xyz="0 -0.256 0" rpy="1.5708 0 0" />
<parent link="scissor_link_2" />
<child link="scissor_link_3" />
<axis xyz="0 0 1" />
<limit lower="-3.106" upper="3.106" effort="30" velocity="3.14" />
</joint>
<link name="scissor_link_4">
<inertial>
<origin xyz="-0.000005 -0.084658 0.004747" rpy="0 0 0" />
<mass value="0.685" />
<inertia ixx="0.001282444" ixy="-0.000000551" ixz="-0.000000630" iyy="0.000373013" iyz="-0.000232084" izz="0.001256177" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_4.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_4.STL" />
</geometry>
</collision>
</link>
<joint name="scissor_joint_4" type="revolute">
<origin xyz="0 0 0" rpy="-1.5708 0 0" />
<parent link="scissor_link_3" />
<child link="scissor_link_4" />
<axis xyz="0 0 1" />
<limit lower="-2.356" upper="2.356" effort="30" velocity="3.14" />
</joint>
<link name="scissor_link_5">
<inertial>
<origin xyz="0.000078 -0.012937 -0.008781" rpy="0 0 0" />
<mass value="0.619" />
<inertia ixx="0.000627336" ixy="0.000001636" ixz="-0.000001345" iyy="0.000542455" iyz="0.000034970" izz="0.000370291" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_5.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_5.STL" />
</geometry>
</collision>
</link>
<joint name="scissor_joint_5" type="revolute">
<origin xyz="0 -0.21 0" rpy="1.5708 0 0" />
<parent link="scissor_link_4" />
<child link="scissor_link_5" />
<axis xyz="0 0 1" />
<limit lower="-3.106" upper="3.106" effort="10" velocity="3.14" />
</joint>
<link name="scissor_link_6">
<inertial>
<origin xyz="-0.000014 -0.078524 0.002819" rpy="0 0 0" />
<mass value="0.602" />
<inertia ixx="0.000780774" ixy="-0.000000121" ixz="-0.000000469" iyy="0.000289973" iyz="-0.000120513" izz="0.000763955" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_6.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_6.STL" />
</geometry>
</collision>
</link>
<joint name="scissor_joint_6" type="revolute">
<origin xyz="0 0 0" rpy="-1.5708 0 0" />
<parent link="scissor_link_5" />
<child link="scissor_link_6" />
<axis xyz="0 0 1" />
<limit lower="-2.234" upper="2.234" effort="10" velocity="3.14" />
</joint>
<link name="scissor_link_7">
<inertial>
<origin xyz="0.001094 -0.000077 -0.010119" rpy="0 0 0" />
<mass value="0.107" />
<inertia ixx="0.000044123" ixy="-0.000000064" ixz="0.0000003" iyy="0.000035078" iyz="-0.000000029" izz="0.000065445" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_7.STL" />
</geometry>
<material name="">
<color rgba="1 1 1 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 0" />
<geometry>
<mesh filename="meshes/link_7.STL" />
</geometry>
</collision>
</link>
<joint name="scissor_joint_7" type="revolute">
<origin xyz="0 -0.144 0" rpy="1.5708 0 0" />
<parent link="scissor_link_6" />
<child link="scissor_link_7" />
<axis xyz="0 0 1" />
<limit lower="-6.28" upper="6.28" effort="10" velocity="3.14" />
</joint>
<link name="scissor_scissor_link">
<inertial>
<origin xyz="0 0 0" rpy="0 0 0" />
<mass value="0.1" />
<inertia ixx="0.0001" ixy="0" ixz="0" iyy="0.0001" iyz="0" izz="0.0001" />
</inertial>
<visual>
<origin xyz="0 0 0" rpy="0 0 -1.5708" />
<geometry>
<mesh filename="meshes/scissor.stl" scale="1 1 1" />
</geometry>
<material name="scissor_scissor_material">
<color rgba="0.7 0.7 0.7 1" />
</material>
</visual>
<collision>
<origin xyz="0 0 0" rpy="0 0 -1.5708" />
<geometry>
<mesh filename="meshes/scissor.stl" scale="1 1 1" />
</geometry>
</collision>
</link>
<joint name="scissor_scissor_fixed_joint" type="fixed">
<parent link="scissor_link_7" />
<child link="scissor_scissor_link" />
<origin xyz="0 0 0.165" rpy="0 0 0" />
</joint>
<link name="scissor_scissor_tcp" />
<joint name="scissor_scissor_tcp_fixed" type="fixed">
<parent link="scissor_scissor_link" />
<child link="scissor_scissor_tcp" />
<origin xyz="0 0 0" rpy="0 0 0" />
</joint>
<link name="scissor_camera_tcp" />
<joint name="scissor_camera_tcp_fixed" type="fixed">
<parent link="scissor_scissor_link" />
<child link="scissor_camera_tcp" />
<origin xyz="0.042 0 -0.0755" rpy="0 0 1.57" />
</joint>
<!--Scissor arm mount (physical left): edit xyz/rpy to match dual_arm_base.stl.-->
<joint name="scissor_base_mount_joint" type="fixed">
<parent link="dual_arm_base_link" />
<child link="scissor_base_link" />
<origin xyz="-0.030 0 0" rpy="-3.1416 1.5708 0" />
</joint>
</robot>
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+1
View File
@@ -11,6 +11,7 @@
<exec_depend>geometry_msgs</exec_depend>
<exec_depend>rclpy</exec_depend>
<exec_depend>sensor_msgs</exec_depend>
<exec_depend>python3-yaml</exec_depend>
<exec_depend>std_msgs</exec_depend>
<exec_depend>xr_rm_interfaces</exec_depend>
+9
View File
@@ -24,6 +24,15 @@ setup(
f"share/{package_name}/models/rm75/meshes",
glob("models/rm75/meshes/*.STL"),
),
(
f"share/{package_name}/models/dual_rm75",
["models/dual_rm75/Dual_arm.urdf"],
),
(
f"share/{package_name}/models/dual_rm75/meshes",
glob("models/dual_rm75/meshes/*.STL")
+ glob("models/dual_rm75/meshes/*.stl"),
),
(
f"share/{package_name}/models/rm75_omnipicker/urdf",
glob("models/rm75_omnipicker/urdf/*.urdf"),
File diff suppressed because it is too large Load Diff
+16 -8
View File
@@ -11,8 +11,13 @@ from xr_rm_teleop.placo_ik_solver import PlacoIkSolver
CASES = {
"left": [-79.55, -9.99, 71.01, 101.45, 95.07, -84.47, -74.52],
"right": [-90.14, 3.76, -86.89, 87.89, -96.53, -79.62, -90.04],
"left": [-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55],
"right": [-86.10, 22.80, -89.57, 93.98, -91.82, -87.32, -89.35],
}
TOOL_CHAINS = {
"left": ("scissor_base_link", "scissor_link_7", 0.165),
"right": ("omnipic_base_link", "omnipic_link_7", 0.14),
}
@@ -37,13 +42,16 @@ def main() -> None:
urdf_path = Path(sys.argv[1]).resolve()
for arm, joint_degrees in CASES.items():
initial_joints = np.deg2rad(joint_degrees)
drift_solver = PlacoIkSolver(str(urdf_path), 1.0 / 125.0)
drift_solver = PlacoIkSolver(str(urdf_path), 1.0 / 125.0, arm)
joints = initial_joints.tolist()
stationary_target = drift_solver.update_joint_state(joints)
flange = drift_solver._robot.get_T_world_frame("link_7")
flange_to_tcp = np.linalg.inv(flange) @ stationary_target
assert np.allclose(flange_to_tcp[:3, 3], [0.0, 0.0, 0.16])
assert np.allclose(flange_to_tcp[:3, :3], np.eye(3))
base_frame, flange_frame, tcp_length = TOOL_CHAINS[arm]
world_to_base = drift_solver._robot.get_T_world_frame(base_frame)
world_to_flange = drift_solver._robot.get_T_world_frame(flange_frame)
base_to_flange = np.linalg.inv(world_to_base) @ world_to_flange
flange_to_tcp = np.linalg.inv(base_to_flange) @ stationary_target
assert np.allclose(flange_to_tcp[:3, 3], [0.0, 0.0, tcp_length])
assert np.allclose(flange_to_tcp[:3, :3], np.eye(3), atol=1e-5)
for _ in range(250):
drift_solver.update_joint_state(joints)
joints = drift_solver.solve(stationary_target)
@@ -54,7 +62,7 @@ def main() -> None:
f"{arm} stationary target drifted {drift_degrees:.3f}deg"
)
solver = PlacoIkSolver(str(urdf_path), 1.0 / 125.0)
solver = PlacoIkSolver(str(urdf_path), 1.0 / 125.0, arm)
joints = initial_joints.tolist()
current = solver.update_joint_state(joints)
assert current.shape == (4, 4)
@@ -0,0 +1,303 @@
from __future__ import annotations
import math
import sys
from pathlib import Path
import h5py
import numpy as np
import pytest
TEST_DIR = Path(__file__).resolve().parent
if str(TEST_DIR) not in sys.path:
sys.path.insert(0, str(TEST_DIR))
import ik_method_comparison as comparison
def test_slerp_uses_shortest_arc_and_returns_unit_quaternion() -> None:
start = np.asarray([0.0, 0.0, 0.0, 1.0])
end = -np.asarray([0.0, 0.0, math.sin(0.1), math.cos(0.1)])
actual = comparison._slerp_quaternion(start, end, 0.5)
assert np.linalg.norm(actual) == pytest.approx(1.0)
assert actual == pytest.approx(
[0.0, 0.0, math.sin(0.05), math.cos(0.05)]
)
def test_resample_trajectory_keeps_endpoints_and_uses_requested_rate() -> None:
trajectory = comparison.EpisodeTrajectory(
source_path=Path("episode.hdf5"),
times_s=np.asarray([0.0, 0.5, 1.0]),
target_poses=np.asarray(
[
[0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0],
[0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0],
[1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0],
]
),
initial_joints=np.zeros(7),
)
actual = comparison.resample_trajectory(trajectory, 4.0)
assert actual.times_s == pytest.approx([0.0, 0.25, 0.5, 0.75, 1.0])
assert actual.target_poses[0] == pytest.approx(trajectory.target_poses[0])
assert actual.target_poses[-1] == pytest.approx(trajectory.target_poses[-1])
assert actual.target_poses[:, 0] == pytest.approx(actual.times_s)
def _write_episode(path: Path) -> None:
poses = np.asarray(
[
[0.1, -0.2, 0.3, 0.0, 0.0, 0.0, 1.0],
[0.2, -0.2, 0.3, 0.0, 0.0, 0.0, 1.0],
[0.3, -0.2, 0.3, 0.0, 0.0, 0.0, 1.0],
[0.4, -0.2, 0.3, 0.0, 0.0, 0.0, 1.0],
],
dtype=np.float32,
)
with h5py.File(path, "w") as handle:
handle.attrs["arm"] = "right_rm75"
handle.attrs["pose_order"] = "x,y,z,qx,qy,qz,qw"
handle.create_dataset("debug/tcp/final_target_pose", data=poses)
handle.create_dataset(
"debug/timestamps/control_monotonic_ns",
data=np.asarray([0, 33_000_000, 66_000_000, 99_000_000]),
)
handle.create_dataset(
"debug/control/teleop_active", data=[0, 1, 1, 0]
)
handle.create_dataset(
"debug/control/action_valid", data=[1, 1, 1, 1]
)
handle.create_dataset(
"debug/control/command_sent", data=[0, 1, 1, 0]
)
qpos = np.zeros((4, 8), dtype=np.float32)
qpos[1, :7] = np.arange(7) * 0.1
handle.create_dataset("observations/qpos", data=qpos)
def test_load_episode_uses_longest_valid_run_and_first_valid_qpos(
tmp_path: Path,
) -> None:
path = tmp_path / "episode.hdf5"
_write_episode(path)
actual = comparison.load_episode(path)
assert actual.times_s == pytest.approx([0.0, 0.033])
assert actual.target_poses[:, 0] == pytest.approx([0.2, 0.3])
assert actual.initial_joints == pytest.approx(np.arange(7) * 0.1)
def test_load_episode_rejects_wrong_arm(tmp_path: Path) -> None:
path = tmp_path / "episode.hdf5"
_write_episode(path)
with h5py.File(path, "r+") as handle:
handle.attrs.modify("arm", "left_rm75")
with pytest.raises(ValueError, match="right_rm75"):
comparison.load_episode(path)
def test_orientation_error_and_joint_margin_match_definitions() -> None:
identity = np.eye(3)
quarter_turn = comparison._rotation_z(math.pi / 2.0)
joints = np.asarray([0.0, -0.5])
lower = np.asarray([-1.0, -1.0])
upper = np.asarray([1.0, 3.0])
assert comparison.orientation_error_rad(identity, quarter_turn) \
== pytest.approx(math.pi / 2.0)
assert comparison.normalized_joint_margin(joints, lower, upper) \
== pytest.approx(0.125)
def test_choose_dls_damping_is_lexicographic() -> None:
candidates = [
comparison.MethodSummary("dls", 0.01, 0.90, 0.004, 0.01, 50.0),
comparison.MethodSummary("dls", 0.03, 0.95, 0.006, 0.02, 30.0),
comparison.MethodSummary("dls", 0.10, 0.95, 0.004, 0.01, 40.0),
]
assert comparison.choose_dls_damping(candidates) == pytest.approx(0.10)
def test_limit_joint_command_reuses_production_limiter() -> None:
target, velocity, limited = comparison.limit_joint_command(
target=np.full(7, 1.0),
previous_target=np.zeros(7),
previous_velocity=np.zeros(7),
max_speed=1.0,
max_acceleration=10.0,
dt=0.1,
)
assert target == pytest.approx([0.1] * 7)
assert velocity == pytest.approx([1.0] * 7)
assert limited
class _FakeSolver:
def __init__(self, fail: bool) -> None:
self.fail = fail
self.joint_limits = np.asarray([[-2.0, 2.0]] * 7)
def update_joint_state(self, joints: list[float]) -> np.ndarray:
pose = np.eye(4)
pose[0, 3] = joints[0]
return pose
def solve(self, target: np.ndarray) -> list[float]:
if self.fail:
raise RuntimeError("not converged")
return [float(target[0, 3])] + [0.0] * 6
def test_replay_holds_previous_state_on_solver_failure() -> None:
trajectory = comparison.EpisodeTrajectory(
source_path=Path("episode.hdf5"),
times_s=np.asarray([0.0, 0.1]),
target_poses=np.asarray(
[
[0.1, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0],
[0.2, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0],
]
),
initial_joints=np.zeros(7),
)
result = comparison.run_replay(
"fake",
_FakeSolver(fail=True),
trajectory,
max_speed=1.0,
max_acceleration=10.0,
measure_time=False,
)
assert result.joints == pytest.approx(np.zeros((2, 7)))
assert not result.success.any()
assert result.velocities == pytest.approx(np.zeros((2, 7)))
def test_real_urdf_solvers_return_finite_safe_outputs() -> None:
pytest.importorskip("placo")
urdf = TEST_DIR.parent / "models" / "dual_rm75" / "Dual_arm.urdf"
config_path = (
TEST_DIR.parents[1]
/ "xr_rm_bringup"
/ "config"
/ "right_arm_rm75.yaml"
)
joints = np.radians(
[-86.10, 22.80, -89.57, 93.98, -91.82, -87.32, -89.35]
)
solvers = [
comparison.DifferentialIkSolver(urdf, 1.0 / 90.0, "pinv"),
comparison.DifferentialIkSolver(urdf, 1.0 / 90.0, "dls", 0.03),
comparison.make_qp_solver(
urdf,
1.0 / 90.0,
comparison.load_right_config(config_path),
),
]
for solver in solvers:
target = solver.update_joint_state(joints.tolist())
target = target.copy()
target[0, 3] += 0.003
result = np.asarray(solver.solve(target), dtype=float)
assert result.shape == (7,)
assert np.isfinite(result).all()
assert np.all(result >= solver.joint_limits[:, 0] - 1e-9)
assert np.all(result <= solver.joint_limits[:, 1] + 1e-9)
def test_load_right_config_returns_qp_and_command_limits() -> None:
config = (
TEST_DIR.parents[1]
/ "xr_rm_bringup"
/ "config"
/ "right_arm_rm75.yaml"
)
actual = comparison.load_right_config(config)
assert actual["qp_j3_reference_deg"] == pytest.approx(-89.57)
assert actual["qp_j4_min_deg"] == pytest.approx(10.0)
assert actual["qp_manipulability_weight"] == pytest.approx(1e-4)
assert actual["joint_max_speed"] == pytest.approx(180.0)
assert actual["joint_max_acc"] == pytest.approx(300.0)
def test_summarize_result_uses_report_metrics() -> None:
result = comparison.ReplayResult(
method="pinv",
times_s=np.asarray([0.0, 0.1]),
target_poses=np.zeros((2, 7)),
actual_poses=np.zeros((2, 7)),
joints=np.zeros((2, 7)),
velocities=np.asarray([[0.0] * 7, [math.pi] + [0.0] * 6]),
position_errors_m=np.asarray([0.003, 0.004]),
orientation_errors_rad=np.asarray([0.01, 0.02]),
joint_margins=np.asarray([0.2, 0.1]),
solve_durations_ms=np.asarray([1.0, 2.0]),
success=np.asarray([True, False]),
command_limited=np.asarray([False, True]),
)
actual = comparison.summarize_result(result)
assert actual.success_rate == pytest.approx(0.5)
assert actual.position_rmse_m == pytest.approx(0.0035355339)
assert actual.orientation_rmse_rad == pytest.approx(0.0158113883)
assert actual.max_joint_speed_deg_s == pytest.approx(180.0)
def test_write_outputs_creates_consistent_files(tmp_path: Path) -> None:
result = comparison.ReplayResult(
method="qp",
times_s=np.asarray([0.0, 0.1]),
target_poses=np.tile(
[0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0], (2, 1)
),
actual_poses=np.tile(
[0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0], (2, 1)
),
joints=np.zeros((2, 7)),
velocities=np.zeros((2, 7)),
position_errors_m=np.asarray([0.001, 0.002]),
orientation_errors_rad=np.asarray([0.001, 0.002]),
joint_margins=np.asarray([0.2, 0.2]),
solve_durations_ms=np.asarray([0.5, 0.6]),
success=np.asarray([True, True]),
command_limited=np.asarray([False, False]),
)
summary = comparison.summarize_result(result)
comparison.write_outputs(
tmp_path,
{"pinv": result, "dls": result, "qp": result},
{"pinv": summary, "dls": summary, "qp": summary},
selected_damping=0.03,
source_path=Path("episode_0.hdf5"),
git_commit="abc1234",
)
expected = {
"samples.csv",
"summary.json",
"figure_2_11_tracking_error.svg",
"figure_2_11_tracking_error.png",
"figure_2_12_joint_constraints.svg",
"figure_2_12_joint_constraints.png",
"figure_2_13_summary.svg",
"figure_2_13_summary.png",
"analysis_2.3.4.md",
}
assert expected == {path.name for path in tmp_path.iterdir()}
assert all((tmp_path / name).stat().st_size > 0 for name in expected)
+91 -2
View File
@@ -1,13 +1,22 @@
import math
import sys
from pathlib import Path
from types import ModuleType, SimpleNamespace
import pytest
import yaml
from xr_rm_teleop import realman_adapter
from xr_rm_teleop.realman_adapter import RealManAdapter
from xr_rm_teleop.realman_adapter import MockRealManAdapter
from xr_rm_teleop.fun_peripheral import PeripheralConfig, _configure_tool_frame
from xr_rm_teleop.fun_peripheral import (
PeripheralConfig,
_configure_tool_frame,
load_peripheral_config,
)
CONFIG_DIR = Path(__file__).resolve().parents[2] / "xr_rm_bringup" / "config"
def test_initial_pose_uses_joint_move_only() -> None:
@@ -30,11 +39,23 @@ def test_initial_pose_uses_joint_move_only() -> None:
)
adapter._arm = FakeArm()
adapter._move_to_initial_pose()
adapter.move_to_initial_pose()
assert adapter._arm.calls == [(joints, 20, 0, 0, 1)]
def test_mock_initial_pose_restores_configured_joints() -> None:
initial_degrees = [-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55]
adapter = MockRealManAdapter(initial_degrees)
adapter.send_joint_target([0.0] * 7, follow=False)
adapter.move_to_initial_pose()
assert adapter.read_joint_state().positions == pytest.approx(
[math.radians(value) for value in initial_degrees]
)
def test_peripheral_config_exposes_selected_tool() -> None:
config = PeripheralConfig(
scissorgripper=1,
@@ -48,6 +69,74 @@ def test_peripheral_config_exposes_selected_tool() -> None:
assert config.tool_pose == [0.0, 0.0, 0.16, 0.0, 0.0, 0.0, 1.0]
def test_deployed_peripheral_config_selects_left_and_right_tools() -> None:
config_file = CONFIG_DIR / "peripherals_rm75.yaml"
left = load_peripheral_config(str(config_file), "left")
right = load_peripheral_config(str(config_file), "right")
assert left.scissorgripper == 2
assert left.tool_name == "minisci"
assert left.tool_pose == [0.0, 0.0, 0.165, 0.0, 0.0, 0.0, 1.0]
assert right.scissorgripper == 1
assert right.tool_name == "omnipic"
assert right.tool_pose == [0.0, 0.0, 0.14, 0.0, 0.0, 0.0, 1.0]
@pytest.mark.parametrize(
("config_name", "node_names"),
[
("left_arm_rm75.yaml", ("single_arm_velocity_teleop",)),
("right_arm_rm75.yaml", ("single_arm_velocity_teleop",)),
("dual_arm_rm75.yaml", ("left_arm_teleop", "right_arm_teleop")),
],
)
def test_deployed_workspace_is_in_front_of_robot(config_name, node_names) -> None:
with (CONFIG_DIR / config_name).open(encoding="utf-8") as stream:
config = yaml.safe_load(stream)
for node_name in node_names:
parameters = config[node_name]["ros__parameters"]
assert parameters["workspace_min"] == [-0.70, -0.70, 0.10]
assert parameters["workspace_max"] == [0.70, 0.10, 0.75]
@pytest.mark.parametrize(
"arm,single_config,dual_node,j3_reference_deg,j3_weight",
[
("left", "left_arm_rm75.yaml", "left_arm_teleop", 67.96, 1e-5),
("right", "right_arm_rm75.yaml", "right_arm_teleop", -89.57, 1e-4),
],
)
def test_qp_optimization_parameters_match_single_and_dual_configs(
arm,
single_config,
dual_node,
j3_reference_deg,
j3_weight,
) -> None:
del arm
with (CONFIG_DIR / single_config).open(encoding="utf-8") as stream:
single = yaml.safe_load(stream)["single_arm_velocity_teleop"][
"ros__parameters"
]
with (CONFIG_DIR / "dual_arm_rm75.yaml").open(encoding="utf-8") as stream:
dual = yaml.safe_load(stream)[dual_node]["ros__parameters"]
expected = {
"qp_j3_reference_deg": j3_reference_deg,
"qp_j3_weight": j3_weight,
"qp_j4_min_deg": 10.0,
"qp_j4_warn_deg": 25.0,
"qp_j4_weight": 1e-4,
"qp_manipulability_sigma_stop": 0.01,
"qp_manipulability_sigma_warn": 0.04,
"qp_manipulability_weight": 1e-4,
}
for name, value in expected.items():
assert single[name] == pytest.approx(value)
assert dual[name] == pytest.approx(value)
@pytest.mark.parametrize(
("existing", "expected_operation"),
[(False, "create"), (True, "update")],
+245 -5
View File
@@ -4,12 +4,14 @@ from types import SimpleNamespace
import numpy as np
import pytest
from builtin_interfaces.msg import Time as TimeMsg
from xr_rm_teleop.realman_adapter import JointStateSnapshot
from xr_rm_teleop.single_arm_velocity_teleop import (
SingleArmVelocityTeleop,
_make_transform,
_so3_exp,
_so3_log,
)
@@ -29,6 +31,179 @@ class FakeTime:
del other
return SimpleNamespace(nanoseconds=0)
def to_msg(self):
return TimeMsg()
class FakePublisher:
def __init__(self) -> None:
self.messages = []
def publish(self, message) -> None:
self.messages.append(message)
def _joint_publishing_teleop() -> SingleArmVelocityTeleop:
names = [f"omnipic_joint_{index}" for index in range(1, 8)]
teleop = object.__new__(SingleArmVelocityTeleop)
teleop._ik_solver = SimpleNamespace(
joint_names=names,
update_joint_state=lambda joints: np.eye(4),
)
teleop._joint_state_pub = FakePublisher()
teleop._joint_target_pub = FakePublisher()
teleop._active = False
teleop._last_valid_joint_target = None
teleop.get_clock = lambda: SimpleNamespace(now=lambda: FakeTime())
return teleop
def test_reset_joint_state_publishes_named_feedback() -> None:
teleop = _joint_publishing_teleop()
positions = [0.1 * index for index in range(7)]
snapshot = JointStateSnapshot(positions, time.monotonic())
teleop._reset_joint_state(snapshot)
message = teleop._joint_state_pub.messages[-1]
assert message.name == teleop._ik_solver.joint_names
assert message.position == pytest.approx(positions)
def test_sync_joint_feedback_publishes_each_sample() -> None:
teleop = _joint_publishing_teleop()
positions = [0.2] * 7
teleop._sync_joint_feedback(
JointStateSnapshot(positions, time.monotonic())
)
assert len(teleop._joint_state_pub.messages) == 1
assert teleop._joint_state_pub.messages[0].position == pytest.approx(positions)
def test_send_joint_target_publishes_limited_command() -> None:
sent = []
teleop = _joint_publishing_teleop()
teleop._adapter = SimpleNamespace(
send_joint_target=lambda joints, follow: sent.append((list(joints), follow))
)
teleop._follow = False
teleop._latest_joint_positions = [0.0] * 7
teleop._last_joint_command_target = [0.0] * 7
teleop._last_joint_command_velocity = [0.0] * 7
teleop._joint_command_max_speed = 1.0
teleop._joint_command_max_acceleration = 100.0
teleop._dt = 0.1
assert teleop._send_joint_target([0.5] * 7)
assert len(sent) == 1
assert sent[0][0] == pytest.approx([0.1] * 7)
assert sent[0][1] is False
message = teleop._joint_target_pub.messages[-1]
assert message.name == teleop._ik_solver.joint_names
assert message.position == pytest.approx(teleop._last_joint_command_target)
def _primary_button_teleop(*, use_mock=False, move_error=None):
events = []
errors = []
snapshot = JointStateSnapshot([0.2] * 7, time.monotonic())
class Adapter:
def move_to_initial_pose(self):
events.append("move")
if move_error is not None:
raise move_error
def read_joint_state(self):
events.append("read")
return snapshot
teleop = object.__new__(SingleArmVelocityTeleop)
teleop._arm_name = "right_rm75"
teleop._use_mock = use_mock
teleop._adapter = Adapter()
teleop._last_primary_pressed = None
teleop._grip_rearm_required = False
teleop._safe_stop = lambda reset_active: events.append(
("stop", reset_active)
)
teleop._reset_joint_state = lambda value: events.append(("sync", value))
teleop._handle_trigger_gripper = lambda msg: None
teleop.get_clock = lambda: SimpleNamespace(now=lambda: FakeTime())
teleop.get_logger = lambda: SimpleNamespace(
info=lambda message: None,
error=lambda message: errors.append(message),
)
return teleop, events, errors, snapshot
def test_primary_button_rising_edge_moves_once_and_resyncs() -> None:
teleop, events, _, snapshot = _primary_button_teleop()
released = SimpleNamespace(primary=False)
pressed = SimpleNamespace(primary=True)
teleop._on_controller(released)
teleop._on_controller(pressed)
teleop._on_controller(pressed)
teleop._on_controller(released)
teleop._on_controller(pressed)
expected_once = [
("stop", True),
"move",
"read",
("sync", snapshot),
]
assert events == expected_once * 2
assert teleop._grip_rearm_required
def test_primary_button_move_failure_logs_and_stays_stopped() -> None:
failure = RuntimeError("rm_movej failed")
teleop, events, errors, _ = _primary_button_teleop(
move_error=failure
)
teleop._on_controller(SimpleNamespace(primary=False))
teleop._on_controller(SimpleNamespace(primary=True))
assert events == [("stop", True), "move"]
assert teleop._grip_rearm_required
assert errors == [
"right_rm75 回初始位姿失败:rm_movej failed"
]
def test_mock_primary_reset_can_reanchor_without_grip_release() -> None:
teleop, events, _, snapshot = _primary_button_teleop(use_mock=True)
teleop._on_controller(SimpleNamespace(primary=False))
teleop._on_controller(SimpleNamespace(primary=True))
assert events == [
("stop", True),
"move",
"read",
("sync", snapshot),
]
assert not teleop._grip_rearm_required
def test_failed_mock_primary_reset_still_requires_grip_release() -> None:
failure = RuntimeError("mock reset failed")
teleop, _, _, _ = _primary_button_teleop(
use_mock=True,
move_error=failure,
)
teleop._on_controller(SimpleNamespace(primary=False))
teleop._on_controller(SimpleNamespace(primary=True))
assert teleop._grip_rearm_required
def test_startup_joint_query_initializes_qp_and_command_history() -> None:
positions = [0.1] * 7
@@ -42,8 +217,11 @@ def test_startup_joint_query_initializes_qp_and_command_history() -> None:
)
)
teleop._ik_solver = SimpleNamespace(
update_joint_state=lambda joints: pose
joint_names=[f"omnipic_joint_{index}" for index in range(1, 8)],
update_joint_state=lambda joints: pose,
)
teleop._joint_state_pub = FakePublisher()
teleop.get_clock = lambda: SimpleNamespace(now=lambda: FakeTime())
teleop.get_logger = lambda: FakeLogger()
teleop._initialize_joint_state()
@@ -108,6 +286,12 @@ def _timeout_teleop(adapter) -> SingleArmVelocityTeleop:
teleop._ik_solver = SimpleNamespace(
update_joint_state=lambda joints: np.eye(4)
)
teleop._ik_solver.joint_names = [
f"omnipic_joint_{index}" for index in range(1, 8)
]
teleop._joint_state_pub = FakePublisher()
teleop._joint_target_pub = FakePublisher()
teleop.get_clock = lambda: SimpleNamespace(now=lambda: FakeTime())
teleop._stop_sent = False
teleop._feedback_resync_timeout_sec = 0.5
teleop._publish_stop_debug = lambda: None
@@ -363,6 +547,10 @@ def test_feedback_fault_blocks_grip_until_release() -> None:
teleop._ik_solver = SimpleNamespace(
update_joint_state=lambda joints: np.eye(4)
)
teleop._ik_solver.joint_names = [
f"omnipic_joint_{index}" for index in range(1, 8)
]
teleop._joint_state_pub = FakePublisher()
teleop._grip_rearm_required = True
teleop._control_fault_latched = False
teleop._feedback_resync_attempted = False
@@ -389,6 +577,9 @@ def test_first_feedback_initializes_last_valid_target_without_solving() -> None:
class FakeSolver:
def __init__(self) -> None:
self.solve_calls = 0
self.joint_names = [
f"omnipic_joint_{index}" for index in range(1, 8)
]
def update_joint_state(self, joints):
assert joints == [0.1] * 7
@@ -406,6 +597,8 @@ def test_first_feedback_initializes_last_valid_target_without_solving() -> None:
teleop._active = False
teleop._last_valid_joint_target = None
teleop._last_current_pose = None
teleop._joint_state_pub = FakePublisher()
teleop.get_clock = lambda: SimpleNamespace(now=lambda: FakeTime())
pose = teleop._sync_joint_feedback(
JointStateSnapshot([0.1] * 7, time.monotonic())
@@ -418,7 +611,7 @@ def test_first_feedback_initializes_last_valid_target_without_solving() -> None:
assert teleop._ik_solver.solve_calls == 0
def test_qp_failure_returns_last_known_good_target() -> None:
def test_qp_failure_returns_none_and_keeps_last_known_good_target() -> None:
class FailingSolver:
def solve(self, target):
del target
@@ -432,11 +625,11 @@ def test_qp_failure_returns_last_known_good_target() -> None:
target = teleop._solve_joint_target(np.eye(4))
assert target == pytest.approx([0.1] * 7)
assert target is None
assert teleop._last_valid_joint_target == pytest.approx([0.1] * 7)
def test_qp_success_updates_last_known_good_target() -> None:
def test_qp_success_waits_for_send_before_updating_last_known_good_target() -> None:
class SuccessfulSolver:
def solve(self, target):
del target
@@ -451,7 +644,54 @@ def test_qp_success_updates_last_known_good_target() -> None:
target = teleop._solve_joint_target(np.eye(4))
assert target == pytest.approx([0.2] * 7)
assert teleop._last_valid_joint_target == pytest.approx([0.2] * 7)
assert teleop._last_valid_joint_target == pytest.approx([0.1] * 7)
def test_target_filters_do_not_commit_candidate_state() -> None:
teleop = object.__new__(SingleArmVelocityTeleop)
teleop._filtered_target = [0.0, 0.0, 0.0]
teleop._filtered_orientation_target = np.eye(3)
teleop._target_filter_alpha = 0.5
teleop._target_filter_alpha_fast = 0.5
teleop._target_filter_fast_threshold_m = 1.0
teleop._orientation_filter_alpha = 0.5
position = teleop._filter_target([0.2, 0.0, 0.0])
orientation = teleop._filter_orientation_target(
_so3_exp(np.asarray([0.0, 0.0, 0.2]))
)
assert position == pytest.approx([0.1, 0.0, 0.0])
assert teleop._filtered_target == pytest.approx([0.0, 0.0, 0.0])
assert teleop._filtered_orientation_target == pytest.approx(np.eye(3))
assert np.linalg.norm(_so3_log(orientation)) == pytest.approx(0.1)
def test_failed_send_does_not_commit_cartesian_reference_state() -> None:
teleop = object.__new__(SingleArmVelocityTeleop)
teleop._last_valid_joint_target = [0.1] * 7
teleop._filtered_target = [0.2, 0.0, 0.0]
teleop._filtered_orientation_target = np.eye(3)
teleop._last_sent_target = [0.2, 0.0, 0.0]
teleop._last_sent_orientation = np.eye(3)
teleop._last_command_time = FakeTime()
teleop._send_joint_target = lambda joints: False
sent = teleop._send_and_commit_joint_target(
[0.3] * 7,
[0.3, 0.0, 0.0],
_so3_exp(np.asarray([0.0, 0.0, 0.1])),
[0.3, 0.0, 0.0],
_so3_exp(np.asarray([0.0, 0.0, 0.1])),
FakeTime(),
)
assert not sent
assert teleop._last_valid_joint_target == pytest.approx([0.1] * 7)
assert teleop._filtered_target == pytest.approx([0.2, 0.0, 0.0])
assert teleop._filtered_orientation_target == pytest.approx(np.eye(3))
assert teleop._last_sent_target == pytest.approx([0.2, 0.0, 0.0])
assert teleop._last_sent_orientation == pytest.approx(np.eye(3))
def test_enter_active_control_initializes_se3_orientation_state() -> None:
@@ -4,6 +4,7 @@ from types import SimpleNamespace
import numpy as np
import pytest
from builtin_interfaces.msg import Time as TimeMsg
from xr_rm_teleop.realman_adapter import JointStateSnapshot
from xr_rm_teleop.single_arm_velocity_teleop import (
@@ -148,6 +149,9 @@ def test_invalid_controller_quaternion_stops_current_tick() -> None:
del other
return SimpleNamespace(nanoseconds=0)
def to_msg(self):
return TimeMsg()
class FakeClock:
def now(self):
return FakeTime()
@@ -174,7 +178,11 @@ def test_invalid_controller_quaternion_stops_current_tick() -> None:
time.monotonic(),
)
)
teleop._ik_solver = SimpleNamespace(update_joint_state=lambda joints: np.eye(4))
teleop._ik_solver = SimpleNamespace(
joint_names=[f"omnipic_joint_{index}" for index in range(1, 8)],
update_joint_state=lambda joints: np.eye(4),
)
teleop._joint_state_pub = SimpleNamespace(publish=lambda message: None)
teleop._active = False
teleop._last_valid_joint_target = None
teleop._last_current_pose = None
+298 -51
View File
@@ -6,77 +6,184 @@ from xml.etree import ElementTree
import numpy as np
import pytest
from xr_rm_teleop import placo_ik_solver
from xr_rm_teleop.placo_ik_solver import (
QP_ORIENTATION_TOLERANCE_RAD,
QP_POSITION_TOLERANCE_M,
PlacoIkSolver,
_validated_transform,
)
DUAL_URDF_PATH = (
Path(__file__).resolve().parents[1]
/ "models"
/ "dual_rm75"
/ "Dual_arm.urdf"
)
ARM_CASES = (
(
"left",
[-78.81, 3.22, 67.96, 97.12, 95.08, -81.11, -74.55],
list(range(14, 21)),
list(range(13, 20)),
"omnipic",
"scissor_base_link",
"scissor_scissor_tcp",
),
(
"right",
[-86.10, 22.80, -89.57, 93.98, -91.82, -87.32, -89.35],
list(range(7, 14)),
list(range(6, 13)),
"scissor",
"omnipic_base_link",
"omnipic_OmniPic_tcp",
),
)
def test_fixed_urdf_has_seven_moving_joints_and_omnipicker_tcp() -> None:
urdf_path = (
Path(__file__).resolve().parents[1]
/ "models"
/ "rm75_omnipicker"
/ "urdf"
/ "RM75-B_OmniPicker_fixed.urdf"
)
root = ElementTree.parse(urdf_path).getroot()
def test_dual_urdf_has_expected_joints_meshes_and_tcp_frames() -> None:
root = ElementTree.parse(DUAL_URDF_PATH).getroot()
moving_joint_names = [
joint.attrib["name"]
for joint in root.findall("joint")
if joint.attrib["type"] != "fixed"
]
tcp_joint = root.find("joint[@name='omnipicker_tcp_joint']")
mesh_filenames = [
mesh.attrib["filename"]
for mesh in root.findall(".//mesh")
]
fixed_joints = {
"omnipic_base_mount_joint": (
"dual_arm_base_link",
"omnipic_base_link",
None,
),
"scissor_base_mount_joint": (
"dual_arm_base_link",
"scissor_base_link",
None,
),
"omnipic_OmniPic_tcp_fixed": (
"omnipic_gripper_link",
"omnipic_OmniPic_tcp",
"0 0 0.14",
),
"scissor_scissor_tcp_fixed": (
"scissor_scissor_link",
"scissor_scissor_tcp",
"0 0 0",
),
"scissor_scissor_fixed_joint": (
"scissor_link_7",
"scissor_scissor_link",
"0 0 0.165",
),
}
assert moving_joint_names == [f"joint_{index}" for index in range(1, 8)]
assert all(
filename.startswith(
"package://xr_rm_teleop/models/rm75_omnipicker/meshes/"
)
for filename in mesh_filenames
)
assert tcp_joint is not None
assert tcp_joint.attrib["type"] == "fixed"
assert tcp_joint.find("parent").attrib["link"] == "omnipicker_base_link"
assert tcp_joint.find("child").attrib["link"] == "omnipicker_tcp"
assert tcp_joint.find("origin").attrib["xyz"] == "0 0 0.16"
assert moving_joint_names == [
*[f"omnipic_joint_{index}" for index in range(1, 8)],
*[f"scissor_joint_{index}" for index in range(1, 8)],
]
assert all(filename.startswith("meshes/") for filename in mesh_filenames)
for name, (parent, child, xyz) in fixed_joints.items():
joint = root.find(f"joint[@name='{name}']")
assert joint is not None
assert joint.attrib["type"] == "fixed"
assert joint.find("parent").attrib["link"] == parent
assert joint.find("child").attrib["link"] == child
if xyz is not None:
assert joint.find("origin").attrib["xyz"] == xyz
def test_left_scissor_mesh_matches_physical_mount_rotation() -> None:
root = ElementTree.parse(DUAL_URDF_PATH).getroot()
link = root.find("link[@name='scissor_scissor_link']")
assert link is not None
assert link.find("visual/origin").attrib["rpy"] == "0 0 -1.5708"
assert link.find("collision/origin").attrib["rpy"] == "0 0 -1.5708"
tcp_joint = root.find("joint[@name='scissor_scissor_tcp_fixed']")
assert tcp_joint.find("origin").attrib["rpy"] == "0 0 0"
def _rm75_placo_solver() -> tuple[PlacoIkSolver, list[float]]:
def _dual_placo_solver(
arm: str,
joint_degrees: list[float],
) -> tuple[PlacoIkSolver, list[float]]:
pytest.importorskip("placo")
urdf_path = (
Path(__file__).resolve().parents[1]
/ "models"
/ "rm75_omnipicker"
/ "urdf"
/ "RM75-B_OmniPicker_fixed.urdf"
)
joints = [
math.radians(value)
for value in [
-90.14,
3.76,
-86.89,
87.89,
-96.53,
-79.62,
-90.04,
]
]
return PlacoIkSolver(str(urdf_path), 1.0 / 90.0), joints
joints = [math.radians(value) for value in joint_degrees]
return PlacoIkSolver(str(DUAL_URDF_PATH), 1.0 / 90.0, arm), joints
def test_qp_solve_converges_to_reachable_tcp_target() -> None:
solver, joints = _rm75_placo_solver()
@pytest.mark.parametrize(
"arm,joint_degrees,q_offsets,v_offsets,inactive_prefix,"
"expected_base_frame,expected_tcp_frame",
ARM_CASES,
)
def test_solver_uses_arm_specific_offsets(
arm: str,
joint_degrees: list[float],
q_offsets: list[int],
v_offsets: list[int],
inactive_prefix: str,
expected_base_frame: str,
expected_tcp_frame: str,
) -> None:
solver, _ = _dual_placo_solver(arm, joint_degrees)
assert solver._q_offsets.tolist() == q_offsets
assert solver._v_offsets.tolist() == v_offsets
@pytest.mark.parametrize(
"arm,joint_degrees,q_offsets,v_offsets,inactive_prefix,"
"expected_base_frame,expected_tcp_frame",
ARM_CASES,
)
def test_joint_state_pose_is_relative_to_selected_arm_base(
arm: str,
joint_degrees: list[float],
q_offsets: list[int],
v_offsets: list[int],
inactive_prefix: str,
expected_base_frame: str,
expected_tcp_frame: str,
) -> None:
solver, joints = _dual_placo_solver(arm, joint_degrees)
actual_pose = solver.update_joint_state(joints)
assert solver._base_frame == expected_base_frame
assert solver._tcp_frame == expected_tcp_frame
world_base = solver._robot.get_T_world_frame(expected_base_frame)
world_tcp = solver._robot.get_T_world_frame(expected_tcp_frame)
assert actual_pose == pytest.approx(np.linalg.inv(world_base) @ world_tcp)
@pytest.mark.parametrize(
"arm,joint_degrees,q_offsets,v_offsets,inactive_prefix,"
"expected_base_frame,expected_tcp_frame",
ARM_CASES,
)
def test_qp_solve_converges_without_moving_inactive_arm(
arm: str,
joint_degrees: list[float],
q_offsets: list[int],
v_offsets: list[int],
inactive_prefix: str,
expected_base_frame: str,
expected_tcp_frame: str,
) -> None:
solver, joints = _dual_placo_solver(arm, joint_degrees)
start_pose = solver.update_joint_state(joints)
inactive_q_offsets = [
solver._robot.get_joint_offset(f"{inactive_prefix}_joint_{index}")
for index in range(1, 8)
]
inactive_before = solver._robot.state.q[inactive_q_offsets].copy()
target_pose = start_pose.copy()
target_pose[0, 3] += 0.07
target_pose[0, 3] += 0.01
result = solver.solve(target_pose)
reached_pose = solver.update_joint_state(result)
@@ -96,17 +203,28 @@ def test_qp_solve_converges_to_reachable_tcp_target() -> None:
)
)
assert np.asarray(result).shape == (7,)
assert np.isfinite(result).all()
assert position_error <= QP_POSITION_TOLERANCE_M
assert orientation_error <= 5e-3
assert orientation_error <= QP_ORIENTATION_TOLERANCE_RAD
assert solver._robot.state.q[inactive_q_offsets] == pytest.approx(
inactive_before
)
def test_solver_rejects_unknown_arm() -> None:
with pytest.raises(ValueError, match="arm must be left or right"):
PlacoIkSolver(str(DUAL_URDF_PATH), 1.0 / 90.0, "middle")
def test_qp_solve_accepts_position_error_within_two_millimeters() -> None:
solver = object.__new__(PlacoIkSolver)
solver._actual_joints = np.zeros(7)
solver._q_offsets = np.arange(7, 14)
solver._robot = SimpleNamespace(
state=SimpleNamespace(q=np.zeros(14))
state=SimpleNamespace(q=np.zeros(21))
)
solver._frame_task = SimpleNamespace(T_world_frame=None)
solver._frame_task = SimpleNamespace(T_a_b=None)
solver._target_errors = lambda: (1.5e-3, 0.0)
result = solver.solve(np.eye(4))
@@ -117,13 +235,15 @@ def test_qp_solve_accepts_position_error_within_two_millimeters() -> None:
def test_qp_solve_rejects_position_error_above_two_millimeters() -> None:
solver = object.__new__(PlacoIkSolver)
solver._actual_joints = np.zeros(7)
solver._q_offsets = np.arange(7, 14)
solver._robot = SimpleNamespace(
state=SimpleNamespace(q=np.zeros(14)),
state=SimpleNamespace(q=np.zeros(21)),
update_kinematics=lambda: None,
)
solver._frame_task = SimpleNamespace(T_world_frame=None)
solver._frame_task = SimpleNamespace(T_a_b=None)
solver._solver = SimpleNamespace(solve=lambda update: None)
solver._validate_result = lambda result, previous: None
solver._update_auxiliary_task_weights = lambda: None
solver._target_errors = lambda: (2.1e-3, 0.0)
with pytest.raises(RuntimeError, match="QP did not converge after 30"):
@@ -167,3 +287,130 @@ def test_qp_result_rejects_nan_position_and_velocity_violations() -> None:
solver._validate_result(np.full(7, 2.0))
with pytest.raises(ValueError, match="velocity"):
solver._validate_result(np.full(7, 0.2))
def test_lower_margin_activation_is_clamped_and_linear() -> None:
activation = placo_ik_solver._lower_margin_activation
assert activation(0.05, 0.01, 0.04) == 0.0
assert activation(0.025, 0.01, 0.04) == pytest.approx(0.5)
assert activation(0.005, 0.01, 0.04) == 1.0
@pytest.mark.parametrize(
"arm,joint_degrees,j3_reference_deg",
[
("left", ARM_CASES[0][1], 67.96),
("right", ARM_CASES[1][1], -89.57),
],
)
def test_solver_configures_auxiliary_qp_tasks(
arm: str,
joint_degrees: list[float],
j3_reference_deg: float,
) -> None:
pytest.importorskip("placo")
solver = PlacoIkSolver(
str(DUAL_URDF_PATH),
1.0 / 90.0,
arm,
j3_reference_deg=j3_reference_deg,
j3_weight=1e-5,
j4_min_deg=10.0,
j4_warn_deg=25.0,
j4_weight=1e-4,
manipulability_sigma_stop=0.01,
manipulability_sigma_warn=0.04,
manipulability_weight=1e-4,
)
joints = np.radians(joint_degrees).tolist()
solver.update_joint_state(joints)
assert solver._j3_task.get_joint(
solver._joint_names[2]
) == pytest.approx(math.radians(j3_reference_deg))
assert np.asarray(solver._j4_constraint.A)[
solver._q_offsets[3]
] == pytest.approx(-1.0)
assert np.asarray(solver._j4_constraint.b) == pytest.approx(
[-math.radians(10.0)]
)
assert solver._j4_constraint.priority == "hard"
jacobian = solver._active_tcp_jacobian()
assert jacobian.shape == (6, 7)
assert np.isfinite(jacobian).all()
assert np.linalg.svd(jacobian, compute_uv=False)[-1] > 0.0
def test_failed_qp_restores_internal_state_to_actual_feedback() -> None:
solver, joints = _dual_placo_solver("left", ARM_CASES[0][1])
current_pose = solver.update_joint_state(joints)
unreachable = current_pose.copy()
unreachable[2, 3] += 10.0
with pytest.raises((RuntimeError, ValueError)):
solver.solve(unreachable)
assert solver._robot.state.q[solver._q_offsets] == pytest.approx(joints)
def test_solver_rejects_non_positive_manipulability_threshold() -> None:
pytest.importorskip("placo")
with pytest.raises(ValueError, match="manipulability thresholds"):
PlacoIkSolver(
str(DUAL_URDF_PATH),
1.0 / 90.0,
"left",
manipulability_sigma_stop=0.0,
manipulability_sigma_warn=0.04,
)
@pytest.mark.parametrize(
"q4_deg,sigma_min,expected_activation",
[
(25.0, 0.04, 0.0),
(17.5, 0.025, 0.5),
(10.0, 0.01, 1.0),
],
)
def test_auxiliary_weights_activate_only_inside_warning_margins(
q4_deg: float,
sigma_min: float,
expected_activation: float,
) -> None:
class TaskSpy:
def __init__(self) -> None:
self.calls = []
def configure(self, name, priority, weight) -> None:
self.calls.append((name, priority, weight))
solver = object.__new__(PlacoIkSolver)
solver._q_offsets = np.arange(7, 14)
solver._robot = SimpleNamespace(
state=SimpleNamespace(q=np.zeros(21))
)
solver._robot.state.q[solver._q_offsets[3]] = math.radians(q4_deg)
solver._j4_task = TaskSpy()
solver._j4_min = math.radians(10.0)
solver._j4_warn = math.radians(25.0)
solver._j4_weight = 1e-4
solver._manipulability_task = TaskSpy()
solver._manipulability_sigma_stop = 0.01
solver._manipulability_sigma_warn = 0.04
solver._manipulability_weight = 1e-4
jacobian = np.zeros((6, 7))
jacobian[:, :6] = np.diag([1.0] * 5 + [sigma_min])
solver._active_tcp_jacobian = lambda: jacobian
solver._update_auxiliary_task_weights()
expected_weight = 1e-4 * expected_activation
assert solver._j4_task.calls == [
("j4_soft_buffer", "soft", pytest.approx(expected_weight))
]
assert solver._manipulability_task.calls == [
("tcp_6d_manipulability", "soft", pytest.approx(expected_weight))
]
+241 -48
View File
@@ -8,13 +8,37 @@ from pathlib import Path
import numpy as np
EXPECTED_PLACO_VERSION = "0.9.4"
RM75_JOINT_NAMES = [f"joint_{index}" for index in range(1, 8)]
RM75_Q_SLICE = slice(7, 14)
ARM_CHAINS = {
"left": (
"scissor_base_link",
"scissor_scissor_tcp",
"scissor",
"omnipic",
),
"right": (
"omnipic_base_link",
"omnipic_OmniPic_tcp",
"omnipic",
"scissor",
),
}
DUAL_RM75_JOINT_NAMES = [
*[f"omnipic_joint_{index}" for index in range(1, 8)],
*[f"scissor_joint_{index}" for index in range(1, 8)],
]
QP_MAX_ITERATIONS = 30
QP_POSITION_TOLERANCE_M = 2e-3
QP_ORIENTATION_TOLERANCE_RAD = 5e-3
def _lower_margin_activation(value: float, stop: float, warn: float) -> float:
if not all(np.isfinite(item) for item in (value, stop, warn)):
raise ValueError("activation values must be finite")
if stop >= warn:
raise ValueError("activation stop must be smaller than warn")
return float(np.clip((warn - value) / (warn - stop), 0.0, 1.0))
def _validated_transform(transform: np.ndarray) -> np.ndarray:
values = np.asarray(transform, dtype=float)
if values.shape != (4, 4) or not np.isfinite(values).all():
@@ -43,9 +67,30 @@ class PlacoIkSolver:
self,
urdf_path: str,
dt: float,
arm: str,
*,
j3_reference_deg: float | None = None,
j3_weight: float = 1e-5,
j4_min_deg: float | None = None,
j4_warn_deg: float | None = None,
j4_weight: float = 1e-4,
manipulability_sigma_stop: float = 0.01,
manipulability_sigma_warn: float = 0.04,
manipulability_weight: float = 0.0,
) -> None:
if dt <= 0.0:
raise ValueError("dt must be positive")
if arm not in ARM_CHAINS:
raise ValueError("arm must be left or right")
self._base_frame, self._tcp_frame, prefix, inactive_prefix = (
ARM_CHAINS[arm]
)
self._joint_names = [
f"{prefix}_joint_{index}" for index in range(1, 8)
]
inactive_joint_names = [
f"{inactive_prefix}_joint_{index}" for index in range(1, 8)
]
try:
installed_version = version("placo")
import placo
@@ -65,45 +110,138 @@ class PlacoIkSolver:
self._dt = dt
self._robot = placo.RobotWrapper(str(model_path))
if self._robot.state.q.shape != (14,):
if self._robot.state.q.shape != (21,):
raise RuntimeError(
f"expected Placo q shape (14,), got {self._robot.state.q.shape}"
"expected Placo q shape (21,), got "
f"{self._robot.state.q.shape}"
)
if list(self._robot.joint_names()) != RM75_JOINT_NAMES:
if list(self._robot.joint_names()) != DUAL_RM75_JOINT_NAMES:
raise RuntimeError(
f"unexpected RM75 joint order: {list(self._robot.joint_names())}"
"unexpected dual RM75 joint order: "
f"{list(self._robot.joint_names())}"
)
self._q_offsets = np.asarray(
[self._robot.get_joint_offset(name) for name in self._joint_names],
dtype=int,
)
self._v_offsets = np.asarray(
[
self._robot.get_joint_v_offset(name)
for name in self._joint_names
],
dtype=int,
)
if len(set(self._q_offsets.tolist())) != 7:
raise RuntimeError(
f"invalid RM75 q offsets: {self._q_offsets.tolist()}"
)
if len(set(self._v_offsets.tolist())) != 7:
raise RuntimeError(
f"invalid RM75 v offsets: {self._v_offsets.tolist()}"
)
offsets = [
self._robot.get_joint_offset(name) for name in RM75_JOINT_NAMES
]
if offsets != list(range(7, 14)):
raise RuntimeError(f"unexpected RM75 q offsets: {offsets}")
self._joint_limits = np.asarray(
[self._robot.get_joint_limits(name) for name in RM75_JOINT_NAMES]
[self._robot.get_joint_limits(name) for name in self._joint_names]
)
velocity_offsets = [
self._robot.get_joint_v_offset(name) for name in RM75_JOINT_NAMES
]
self._velocity_limits = np.asarray(
[
self._robot.model.velocityLimit[index]
for index in velocity_offsets
for index in self._v_offsets
]
)
self._actual_joints: np.ndarray | None = None
weights = (j3_weight, j4_weight, manipulability_weight)
if not all(np.isfinite(value) and value >= 0.0 for value in weights):
raise ValueError("QP auxiliary weights must be finite and non-negative")
if j3_reference_deg is not None and not np.isfinite(j3_reference_deg):
raise ValueError("J3 reference must be finite")
if (j4_min_deg is None) != (j4_warn_deg is None):
raise ValueError("J4 minimum and warning angles must be configured together")
if j4_min_deg is not None:
if not all(np.isfinite(value) for value in (j4_min_deg, j4_warn_deg)):
raise ValueError("J4 angles must be finite")
if j4_warn_deg <= j4_min_deg:
raise ValueError("J4 warning angle must exceed its minimum")
j4_limits_deg = np.degrees(self._joint_limits[3])
if j4_min_deg < j4_limits_deg[0] or j4_warn_deg > j4_limits_deg[1]:
raise ValueError("J4 safety angles must stay within URDF limits")
if not (
np.isfinite(manipulability_sigma_stop)
and np.isfinite(manipulability_sigma_warn)
and 0.0 < manipulability_sigma_stop
< manipulability_sigma_warn
):
raise ValueError(
"manipulability thresholds must satisfy 0 < stop < warn"
)
self._solver = placo.KinematicsSolver(self._robot)
self._solver.dt = dt
self._solver.mask_fbase(True)
for name in inactive_joint_names:
self._solver.mask_dof(name)
self._solver.enable_joint_limits(True)
self._solver.enable_velocity_limits(True)
self._frame_task = self._solver.add_frame_task(
"omnipicker_tcp",
self._frame_task = self._solver.add_relative_frame_task(
self._base_frame,
self._tcp_frame,
np.eye(4),
)
self._frame_task.configure("rm75_frame", "soft", 1.0)
self._frame_task.configure("rm75_relative_frame", "soft", 1.0)
self._solver.add_kinetic_energy_regularization_task(1e-6)
self._j3_task = None
if j3_reference_deg is not None and j3_weight > 0.0:
self._j3_task = self._solver.add_joints_task()
self._j3_task.set_joints(
{self._joint_names[2]: np.deg2rad(j3_reference_deg)}
)
self._j3_task.configure("j3_reference", "soft", j3_weight)
self._j4_task = None
self._j4_constraint = None
self._j4_min = None
self._j4_warn = None
self._j4_weight = j4_weight
if j4_min_deg is not None:
self._j4_min = float(np.deg2rad(j4_min_deg))
self._j4_warn = float(np.deg2rad(j4_warn_deg))
self._j4_task = self._solver.add_joints_task()
self._j4_task.set_joints(
{self._joint_names[3]: self._j4_warn}
)
self._j4_task.configure("j4_soft_buffer", "soft", 0.0)
matrix = np.zeros((1, self._robot.state.q.size))
matrix[0, self._q_offsets[3]] = -1.0
self._j4_constraint = (
self._solver.add_joint_space_half_spaces_constraint(
matrix,
np.asarray([-self._j4_min]),
)
)
self._j4_constraint.configure("j4_lower_bound", "hard")
self._manipulability_task = None
self._manipulability_sigma_stop = manipulability_sigma_stop
self._manipulability_sigma_warn = manipulability_sigma_warn
self._manipulability_weight = manipulability_weight
if manipulability_weight > 0.0:
self._manipulability_task = self._solver.add_manipulability_task(
self._tcp_frame,
"both",
1.0,
)
self._manipulability_task.configure(
"tcp_6d_manipulability",
"soft",
0.0,
)
@property
def joint_names(self) -> list[str]:
return list(self._joint_names)
@property
def base_configuration(self) -> list[float]:
return self._robot.state.q[:7].tolist()
@@ -114,11 +252,14 @@ class PlacoIkSolver:
raise ValueError("joint state must contain 7 finite values")
is_first_feedback = self._actual_joints is None
self._actual_joints = values.copy()
self._robot.state.q[RM75_Q_SLICE] = values
self._robot.state.q[self._q_offsets] = values
self._robot.update_kinematics()
base_to_tool = self._robot.get_T_world_frame("omnipicker_tcp")
base_to_tool = (
np.linalg.inv(self._robot.get_T_world_frame(self._base_frame))
@ self._robot.get_T_world_frame(self._tcp_frame)
)
if is_first_feedback:
self._frame_task.T_world_frame = base_to_tool.copy()
self._frame_task.T_a_b = base_to_tool.copy()
return base_to_tool.copy()
def _target_errors(self) -> tuple[float, float]:
@@ -131,32 +272,64 @@ class PlacoIkSolver:
float(orientation_task.error_norm()),
)
def _active_tcp_jacobian(self) -> np.ndarray:
jacobian = np.asarray(
self._robot.frame_jacobian(
self._tcp_frame,
"local_world_aligned",
),
dtype=float,
)[:, self._v_offsets]
if jacobian.shape != (6, 7) or not np.isfinite(jacobian).all():
raise ValueError("TCP Jacobian must be a finite 6x7 matrix")
return jacobian
def _update_auxiliary_task_weights(self) -> None:
if self._j4_task is not None:
q4 = float(self._robot.state.q[self._q_offsets[3]])
activation = _lower_margin_activation(
q4,
self._j4_min,
self._j4_warn,
)
self._j4_task.configure(
"j4_soft_buffer",
"soft",
self._j4_weight * activation,
)
if self._manipulability_task is not None:
sigma_min = float(
np.linalg.svd(
self._active_tcp_jacobian(),
compute_uv=False,
)[-1]
)
activation = _lower_margin_activation(
sigma_min,
self._manipulability_sigma_stop,
self._manipulability_sigma_warn,
)
self._manipulability_task.configure(
"tcp_6d_manipulability",
"soft",
self._manipulability_weight * activation,
)
def _restore_actual_joint_state(self) -> None:
self._robot.state.q[self._q_offsets] = self._actual_joints
self._robot.update_kinematics()
def solve(self, target_tool_pose: np.ndarray) -> list[float]:
if self._actual_joints is None:
raise RuntimeError("joint state must be initialized before QP solve")
self._frame_task.T_world_frame = _validated_transform(
target_tool_pose
)
result = np.asarray(
self._robot.state.q[RM75_Q_SLICE],
dtype=float,
).copy()
position_error, orientation_error = self._target_errors()
if (
position_error <= QP_POSITION_TOLERANCE_M
and orientation_error <= QP_ORIENTATION_TOLERANCE_RAD
):
return result.tolist()
for _ in range(QP_MAX_ITERATIONS):
previous = result
self._solver.solve(True)
self._robot.update_kinematics()
try:
self._frame_task.T_a_b = _validated_transform(
target_tool_pose
)
result = np.asarray(
self._robot.state.q[RM75_Q_SLICE],
self._robot.state.q[self._q_offsets],
dtype=float,
).copy()
self._validate_result(result, previous)
position_error, orientation_error = self._target_errors()
if (
position_error <= QP_POSITION_TOLERANCE_M
@@ -164,12 +337,32 @@ class PlacoIkSolver:
):
return result.tolist()
raise RuntimeError(
"QP did not converge after "
f"{QP_MAX_ITERATIONS} iterations: "
f"position_error={position_error:.6f} m, "
f"orientation_error={orientation_error:.6f} rad"
)
for _ in range(QP_MAX_ITERATIONS):
previous = result
self._update_auxiliary_task_weights()
self._solver.solve(True)
self._robot.update_kinematics()
result = np.asarray(
self._robot.state.q[self._q_offsets],
dtype=float,
).copy()
self._validate_result(result, previous)
position_error, orientation_error = self._target_errors()
if (
position_error <= QP_POSITION_TOLERANCE_M
and orientation_error <= QP_ORIENTATION_TOLERANCE_RAD
):
return result.tolist()
raise RuntimeError(
"QP did not converge after "
f"{QP_MAX_ITERATIONS} iterations: "
f"position_error={position_error:.6f} m, "
f"orientation_error={orientation_error:.6f} rad"
)
except Exception:
self._restore_actual_joint_state()
raise
def _validate_result(
self,
+16 -4
View File
@@ -44,9 +44,10 @@ class MockRealManAdapter:
math.isfinite(value) for value in initial_joint_degrees
):
raise ValueError("initial joint pose must contain 7 finite values")
self._joint_positions = [
self._initial_joint_positions = [
math.radians(value) for value in initial_joint_degrees
]
self._joint_positions = list(self._initial_joint_positions)
self.last_joint_target: list[float] | None = None
self.last_tool_open: bool | None = None
@@ -69,6 +70,10 @@ class MockRealManAdapter:
self._joint_positions = list(joints)
self.last_joint_target = list(joints)
def move_to_initial_pose(self) -> None:
self._joint_positions = list(self._initial_joint_positions)
self.last_joint_target = list(self._joint_positions)
def stop(self) -> None:
return
@@ -178,7 +183,7 @@ class RealManAdapter:
if self._configure_safety_limits:
self._apply_safety_limits()
if self._move_to_initial_pose_on_connect:
self._move_to_initial_pose()
self.move_to_initial_pose()
self._feedback_ready.clear()
self._accept_realtime_feedback = True
self._realtime_callback = rm_realtime_arm_state_callback_ptr(
@@ -451,11 +456,18 @@ class RealManAdapter:
self._try_call("rm_set_joint_max_speed", joint_index, self._joint_max_speed)
self._try_call("rm_set_joint_max_acc", joint_index, self._joint_max_acc)
def _move_to_initial_pose(self) -> None:
def move_to_initial_pose(self) -> None:
self._require_arm()
if self._initial_joint_pose is None:
raise RuntimeError("启用初始位姿移动时必须配置 initial_joint_pose")
ret = self._arm.rm_movej(self._initial_joint_pose, self._init_move_speed, 0, 0, 1)
ret = self._arm.rm_movej(
self._initial_joint_pose,
self._init_move_speed,
0,
0,
1,
)
self._check_return(ret, "rm_movej(initial_joint_pose)")
def _try_call(self, name: str, *args: Any) -> None:
@@ -17,6 +17,7 @@ import rclpy
from geometry_msgs.msg import PoseStamped, TwistStamped
from rclpy.node import Node
from rclpy.time import Time
from sensor_msgs.msg import JointState
from std_msgs.msg import Bool
from xr_rm_interfaces.msg import XrController
@@ -200,6 +201,14 @@ class SingleArmVelocityTeleop(Node):
self.declare_parameter("xr_to_robot_matrix", [0.0, 0.0, -1.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0])
self.declare_parameter("use_mock", True)
self.declare_parameter("robot_urdf_path", "")
self.declare_parameter("qp_j3_reference_deg", 0.0)
self.declare_parameter("qp_j3_weight", 1e-5)
self.declare_parameter("qp_j4_min_deg", 10.0)
self.declare_parameter("qp_j4_warn_deg", 25.0)
self.declare_parameter("qp_j4_weight", 1e-4)
self.declare_parameter("qp_manipulability_sigma_stop", 0.01)
self.declare_parameter("qp_manipulability_sigma_warn", 0.04)
self.declare_parameter("qp_manipulability_weight", 1e-4)
self.declare_parameter("robot_ip", "192.168.1.18")
self.declare_parameter("robot_port", 8080)
self.declare_parameter("realtime_push_host_ip", "")
@@ -258,6 +267,31 @@ class SingleArmVelocityTeleop(Node):
self._low_z_threshold = float(self.get_parameter("low_z_threshold").value)
self._low_z_min_radius = float(self.get_parameter("low_z_min_radius").value)
self._xr_to_robot_matrix = self._float_list_parameter("xr_to_robot_matrix", 9)
self._use_mock = self._bool_parameter("use_mock")
self._qp_j3_reference_deg = float(
self.get_parameter("qp_j3_reference_deg").value
)
self._qp_j3_weight = float(
self.get_parameter("qp_j3_weight").value
)
self._qp_j4_min_deg = float(
self.get_parameter("qp_j4_min_deg").value
)
self._qp_j4_warn_deg = float(
self.get_parameter("qp_j4_warn_deg").value
)
self._qp_j4_weight = float(
self.get_parameter("qp_j4_weight").value
)
self._qp_manipulability_sigma_stop = float(
self.get_parameter("qp_manipulability_sigma_stop").value
)
self._qp_manipulability_sigma_warn = float(
self.get_parameter("qp_manipulability_sigma_warn").value
)
self._qp_manipulability_weight = float(
self.get_parameter("qp_manipulability_weight").value
)
self._follow = self._bool_parameter("follow")
self._enable_tool_control = self._bool_parameter("enable_tool_control")
self._enable_trigger_gripper_control = self._bool_parameter("enable_trigger_gripper_control")
@@ -295,6 +329,7 @@ class SingleArmVelocityTeleop(Node):
self._control_fault_latched = False
self._stop_sent = True
self._trigger_tool_open = True
self._last_primary_pressed: bool | None = None
self._last_trigger_pressed: bool | None = None
self._tool_command_queue: queue.Queue[tuple[bool, str] | None] | None = None
self._tool_worker_stop = threading.Event()
@@ -324,13 +359,36 @@ class SingleArmVelocityTeleop(Node):
self._ik_solver = PlacoIkSolver(
str(self.get_parameter("robot_urdf_path").value),
self._dt,
peripheral_arm,
j3_reference_deg=self._qp_j3_reference_deg,
j3_weight=self._qp_j3_weight,
j4_min_deg=self._qp_j4_min_deg,
j4_warn_deg=self._qp_j4_warn_deg,
j4_weight=self._qp_j4_weight,
manipulability_sigma_stop=(
self._qp_manipulability_sigma_stop
),
manipulability_sigma_warn=(
self._qp_manipulability_sigma_warn
),
manipulability_weight=self._qp_manipulability_weight,
)
debug_ns = f"{self._debug_topic_prefix}/{self._arm_name}"
self._joint_state_pub = self.create_publisher(
JointState,
f"{debug_ns}/joint_states",
10,
)
self._joint_target_pub = self.create_publisher(
JointState,
f"{debug_ns}/joint_target",
10,
)
self._adapter = self._make_adapter()
self._adapter.connect()
self._initialize_joint_state()
self._setup_tool_control()
debug_ns = f"{self._debug_topic_prefix}/{self._arm_name}"
self._current_pose_pub = self.create_publisher(PoseStamped, f"{debug_ns}/current_pose", 10)
self._raw_target_pose_pub = self.create_publisher(PoseStamped, f"{debug_ns}/raw_target_pose", 10)
self._target_pose_pub = self.create_publisher(PoseStamped, f"{debug_ns}/target_pose", 10)
@@ -350,7 +408,7 @@ class SingleArmVelocityTeleop(Node):
"initial_joint_pose",
7,
)
if self._bool_parameter("use_mock"):
if self._use_mock:
return MockRealManAdapter(initial_joint_pose)
return RealManAdapter(
@@ -391,6 +449,13 @@ class SingleArmVelocityTeleop(Node):
self._adapter.close()
raise
def _publish_joint_positions(self, publisher, positions: list[float]) -> None:
message = JointState()
message.header.stamp = self.get_clock().now().to_msg()
message.name = self._ik_solver.joint_names
message.position = [float(value) for value in positions]
publisher.publish(message)
def _reset_joint_state(
self,
snapshot: JointStateSnapshot,
@@ -404,6 +469,7 @@ class SingleArmVelocityTeleop(Node):
self._last_valid_joint_target = list(positions)
self._last_joint_command_target = list(positions)
self._last_joint_command_velocity = [0.0] * 7
self._publish_joint_positions(self._joint_state_pub, positions)
return current_pose
def _setup_tool_control(self) -> None:
@@ -514,8 +580,34 @@ class SingleArmVelocityTeleop(Node):
def _on_controller(self, msg: XrController) -> None:
self._last_msg = msg
self._last_msg_time = self.get_clock().now()
self._handle_initial_pose_button(msg)
self._handle_trigger_gripper(msg)
def _handle_initial_pose_button(self, msg: XrController) -> None:
if self._last_primary_pressed is None:
self._last_primary_pressed = msg.primary
return
rising_edge = msg.primary and not self._last_primary_pressed
self._last_primary_pressed = msg.primary
if not rising_edge:
return
self._grip_rearm_required = True
self._safe_stop(reset_active=True)
try:
self._adapter.move_to_initial_pose()
self._reset_joint_state(self._adapter.read_joint_state())
except Exception as exc:
self.get_logger().error(
f"{self._arm_name} 回初始位姿失败:{exc}"
)
return
if self._use_mock:
self._grip_rearm_required = False
self.get_logger().info(f"{self._arm_name} 已回到初始位姿。")
def _handle_trigger_gripper(self, msg: XrController) -> None:
if not self._enable_tool_control or not self._enable_trigger_gripper_control:
return
@@ -682,12 +774,16 @@ class SingleArmVelocityTeleop(Node):
joint_target = self._solve_joint_target(target_pose)
qp_ms = (time.perf_counter_ns() - qp_started_ns) * 1e-6
send_started_ns = time.perf_counter_ns()
sent = self._send_joint_target(joint_target)
sent = self._send_and_commit_joint_target(
joint_target,
filtered_target,
filtered_orientation,
sent_target,
sent_orientation,
now,
)
send_ms = (time.perf_counter_ns() - send_started_ns) * 1e-6
if sent:
self._last_sent_target = sent_target
self._last_sent_orientation = sent_orientation.copy()
self._last_command_time = now
self._stop_sent = False
total_ms = (time.perf_counter_ns() - tick_started_ns) * 1e-6
try:
@@ -819,17 +915,15 @@ class SingleArmVelocityTeleop(Node):
def _filter_target(self, target: list[float]) -> list[float]:
if self._filtered_target is None:
self._filtered_target = list(target)
return list(target)
delta = [target[i] - self._filtered_target[i] for i in range(3)]
distance = _norm(delta)
alpha = self._adaptive_filter_alpha(distance)
self._filtered_target = [
return [
alpha * target[i] + (1.0 - alpha) * self._filtered_target[i]
for i in range(3)
]
return list(self._filtered_target)
def _adaptive_filter_alpha(self, distance: float) -> float:
if self._target_filter_fast_threshold_m <= 1e-9:
@@ -868,17 +962,15 @@ class SingleArmVelocityTeleop(Node):
def _filter_orientation_target(self, target_rotation: np.ndarray) -> np.ndarray:
if self._filtered_orientation_target is None:
self._filtered_orientation_target = _project_rotation(target_rotation)
return self._filtered_orientation_target.copy()
return _project_rotation(target_rotation)
error = _so3_log(
target_rotation @ self._filtered_orientation_target.T
)
self._filtered_orientation_target = _project_rotation(
return _project_rotation(
_so3_exp(self._orientation_filter_alpha * error)
@ self._filtered_orientation_target
)
return self._filtered_orientation_target.copy()
def _limit_orientation_step(
self,
@@ -1140,11 +1232,18 @@ class SingleArmVelocityTeleop(Node):
)
self._latest_joint_positions = list(snapshot.positions)
self._last_current_pose = current_pose
self._publish_joint_positions(
self._joint_state_pub,
list(snapshot.positions),
)
if not self._active or self._last_valid_joint_target is None:
self._last_valid_joint_target = list(snapshot.positions)
return current_pose
def _solve_joint_target(self, target_pose: np.ndarray) -> list[float]:
def _solve_joint_target(
self,
target_pose: np.ndarray,
) -> list[float] | None:
if self._last_valid_joint_target is None:
raise RuntimeError("valid joint feedback has not been initialized")
try:
@@ -1154,10 +1253,28 @@ class SingleArmVelocityTeleop(Node):
f"{self._arm_name} QP 求解失败,保持上一组关节目标:{exc}",
throttle_duration_sec=1.0,
)
return list(self._last_valid_joint_target)
self._last_valid_joint_target = list(result)
return None
return list(result)
def _send_and_commit_joint_target(
self,
joint_target: list[float] | None,
filtered_target: list[float],
filtered_orientation: np.ndarray,
sent_target: list[float],
sent_orientation: np.ndarray,
now: Time,
) -> bool:
if joint_target is None or not self._send_joint_target(joint_target):
return False
self._last_valid_joint_target = list(joint_target)
self._filtered_target = list(filtered_target)
self._filtered_orientation_target = filtered_orientation.copy()
self._last_sent_target = list(sent_target)
self._last_sent_orientation = sent_orientation.copy()
self._last_command_time = now
return True
def _safe_stop(self, reset_active: bool) -> None:
if not self._stop_sent:
self._send_stop_once()
@@ -1228,6 +1345,10 @@ class SingleArmVelocityTeleop(Node):
return False
self._last_joint_command_target = limited_target
self._last_joint_command_velocity = limited_velocity
self._publish_joint_positions(
self._joint_target_pub,
limited_target,
)
return True
@staticmethod
@@ -1405,6 +1526,35 @@ class SingleArmVelocityTeleop(Node):
raise ValueError("joint_max_speed must be > 0")
if self._joint_command_max_acceleration <= 0.0:
raise ValueError("joint_max_acc must be > 0")
qp_weights = (
self._qp_j3_weight,
self._qp_j4_weight,
self._qp_manipulability_weight,
)
if not all(
math.isfinite(value) and value >= 0.0
for value in qp_weights
):
raise ValueError("QP auxiliary weights must be finite and non-negative")
if not math.isfinite(self._qp_j3_reference_deg):
raise ValueError("qp_j3_reference_deg must be finite")
if not all(
math.isfinite(value)
for value in (self._qp_j4_min_deg, self._qp_j4_warn_deg)
):
raise ValueError("QP J4 angles must be finite")
if self._qp_j4_warn_deg <= self._qp_j4_min_deg:
raise ValueError("qp_j4_warn_deg must exceed qp_j4_min_deg")
if not (
math.isfinite(self._qp_manipulability_sigma_stop)
and math.isfinite(self._qp_manipulability_sigma_warn)
and 0.0 < self._qp_manipulability_sigma_stop
< self._qp_manipulability_sigma_warn
):
raise ValueError(
"QP manipulability sigma thresholds must satisfy "
"0 < stop < warn"
)
def _shutdown_tool_worker(self) -> None:
if self._tool_worker_thread is None or self._tool_command_queue is None: