Mantis 机器人 Python SDK,基于 Zenoh 通信,无需安装 ROS2
Project description
Mantis Robot SDK
基于 Zenoh 的 Mantis 机器人控制 SDK,无需安装 ROS2。
V1.0.0 | 2025-12-30 | Release Notes
特性
- 🚀 无 ROS2 依赖: 客户端只需 Python + Zenoh
- 🤖 完整控制: 双臂、夹爪、头部、底盘
- 🔒 安全限位: 自动限制在 URDF 定义范围内
- 🎯 仿真预览: RViz 实时预览(带平滑)
- 📚 完整文档: Google 风格 docstring
安装
pip install bw-mantis-sdk
快速开始
from mantis import Mantis
# 控制实机
with Mantis(ip="192.168.1.100") as robot:
robot.left_arm.set_shoulder_pitch(-0.5)
robot.left_gripper.open()
robot.head.look_up()
robot.chassis.forward(0.1)
连接方式
# 方式1:指定 IP 连接实机
robot = Mantis(ip="192.168.1.100")
# 方式2:自动发现(同一局域网)
robot = Mantis()
# 方式3:指定 IP 和端口
robot = Mantis(ip="192.168.1.100", port=7447)
# 方式4:仿真预览模式(在 RViz 中显示)
robot = Mantis(sim=True)
仿真预览模式
仿真模式可以在 RViz 中预览机器人动作,无需连接实机:
from mantis import Mantis
import time
# 启用仿真模式
with Mantis(sim=True) as robot:
# 可选:调整平滑参数
robot.set_smoothing(alpha=0.1) # 默认值
# 控制手臂(在 RViz 中实时显示)
robot.left_arm.set_shoulder_pitch(-0.5)
robot.right_arm.set_elbow_pitch(0.8)
# 控制头部
robot.head.look_left()
time.sleep(3)
启动仿真环境:
# 终端 1: 启动仿真环境
ros2 launch bw_sim2real sdk_sim.launch.py
# 终端 2: 启动 zenoh 桥接
zenoh-bridge-ros2dds -d 99
# 终端 3: 运行 SDK
python test_sim.py
API 概览
Mantis (主类)
| 属性 | 类型 | 说明 |
|---|---|---|
left_arm |
Arm | 左臂控制器 |
right_arm |
Arm | 右臂控制器 |
left_gripper |
Gripper | 左夹爪控制器 |
right_gripper |
Gripper | 右夹爪控制器 |
head |
Head | 头部控制器 |
chassis |
Chassis | 底盘控制器 |
is_sim_mode |
bool | 是否为仿真模式 |
| 方法 | 说明 |
|---|---|
connect(timeout=5.0, verify=True) |
连接机器人 |
disconnect() |
断开连接 |
on_feedback(callback) |
注册关节反馈回调 |
home() |
所有关节归零 |
stop() |
停止运动 |
Arm (手臂)
每只手臂 7 个关节,所有角度自动限制在安全范围内:
| 索引 | 关节 | 方法 | 左臂限位 (rad) | 右臂限位 (rad) |
|---|---|---|---|---|
| 0 | 肩俯仰 | set_shoulder_pitch(angle) |
-2.61 ~ 0.78 | -2.61 ~ 0.78 |
| 1 | 肩偏航 | set_shoulder_yaw(angle) |
0.08 ~ 1.04 | -1.04 ~ -0.08 |
| 2 | 肩翻滚 | set_shoulder_roll(angle) |
-1.57 ~ 1.57 | -1.57 ~ 1.57 |
| 3 | 肘俯仰 | set_elbow_pitch(angle) |
-0.78 ~ 1.57 | -0.78 ~ 1.57 |
| 4 | 腕翻滚 | set_wrist_roll(angle) |
-1.57 ~ 1.57 | -1.57 ~ 1.57 |
| 5 | 腕俯仰 | set_wrist_pitch(angle) |
-0.52 ~ 0.52 | -0.52 ~ 0.52 |
| 6 | 腕偏航 | set_wrist_yaw(angle) |
-1.57 ~ 1.57 | -1.57 ~ 1.57 |
其他方法:
set_joints([j0, j1, j2, j3, j4, j5, j6])- 设置全部 7 个关节(弧度)set_joint(index, angle)- 设置单个关节(索引 0-6)get_limit(index)- 获取指定关节限位(lower, upper)limits- 获取所有关节限位列表home()- 回到零位
Gripper (夹爪)
| 方法 | 说明 |
|---|---|
set_position(pos) |
设置位置 (0.0=闭合, 1.0=张开) |
open() |
完全张开 |
close() |
完全闭合 |
half_open() |
半开 |
Head (头部)
头部有限位保护:
- pitch (俯仰): -0.7 ~ 0.2 rad
- yaw (偏航): -1.57 ~ 1.57 rad
| 方法 | 说明 |
|---|---|
set_pose(pitch, yaw) |
设置姿态(弧度) |
set_pitch(angle) |
设置俯仰角 |
set_yaw(angle) |
设置偏航角 |
look_left(angle=0.5) |
向左看 |
look_right(angle=0.5) |
向右看 |
look_up(angle=0.3) |
向上看 |
look_down(angle=0.3) |
向下看 |
center() |
回中 |
limits |
获取限位 {'pitch': (min, max), 'yaw': (min, max)} |
Chassis (底盘)
| 方法 | 说明 |
|---|---|
set_velocity(vx, vy, omega) |
设置速度 (m/s, rad/s) |
forward(speed=0.1) |
前进 |
backward(speed=0.1) |
后退 |
strafe_left(speed=0.1) |
左移 |
strafe_right(speed=0.1) |
右移 |
turn_left(speed=0.3) |
左转 |
turn_right(speed=0.3) |
右转 |
stop() |
停止 |
完整示例
1. 手臂控制
from mantis_sdk import Mantis
import time
with Mantis(ip="192.168.1.100") as robot:
# 设置左臂各关节
robot.left_arm.set_shoulder_pitch(0.5) # 肩俯仰
robot.left_arm.set_shoulder_yaw(0.2) # 肩偏航
robot.left_arm.set_shoulder_roll(0.1) # 肩翻滚
robot.left_arm.set_elbow_pitch(0.8) # 肘俯仰
robot.left_arm.set_wrist_roll(0.0) # 腕翻滚
robot.left_arm.set_wrist_pitch(0.3) # 腕俯仰
robot.left_arm.set_wrist_yaw(0.0) # 腕偏航
time.sleep(2)
# 一次性设置全部关节
robot.left_arm.set_joints([0.5, 0.2, 0.1, 0.8, 0.0, 0.3, 0.0])
time.sleep(2)
# 回到零位
robot.left_arm.home()
robot.right_arm.home()
time.sleep(1)
2. 夹爪控制
from mantis_sdk import Mantis
import time
with Mantis(ip="192.168.1.100") as robot:
# 张开夹爪
robot.left_gripper.open()
robot.right_gripper.open()
time.sleep(1)
# 半开
robot.left_gripper.half_open()
time.sleep(1)
# 闭合
robot.left_gripper.close()
robot.right_gripper.close()
time.sleep(1)
# 自定义位置 (0.0 ~ 1.0)
robot.left_gripper.set_position(0.7)
time.sleep(1)
3. 头部控制
from mantis_sdk import Mantis
import time
with Mantis(ip="192.168.1.100") as robot:
# 向左看
robot.head.look_left()
time.sleep(1)
# 向右看
robot.head.look_right()
time.sleep(1)
# 向上看
robot.head.look_up()
time.sleep(1)
# 向下看
robot.head.look_down()
time.sleep(1)
# 回中
robot.head.center()
time.sleep(1)
# 自定义角度
robot.head.set_pose(pitch=0.2, yaw=-0.3)
time.sleep(1)
4. 底盘控制
from mantis_sdk import Mantis
import time
with Mantis(ip="192.168.1.100") as robot:
# 前进
robot.chassis.forward(0.1)
time.sleep(2)
# 后退
robot.chassis.backward(0.1)
time.sleep(2)
# 左移
robot.chassis.strafe_left(0.1)
time.sleep(2)
# 右移
robot.chassis.strafe_right(0.1)
time.sleep(2)
# 左转
robot.chassis.turn_left(0.3)
time.sleep(2)
# 右转
robot.chassis.turn_right(0.3)
time.sleep(2)
# 停止
robot.chassis.stop()
# 自定义速度
robot.chassis.set_velocity(vx=0.1, vy=0.05, omega=0.1)
time.sleep(2)
robot.chassis.stop()
5. 关节反馈
from mantis_sdk import Mantis
import time
def on_feedback(joint_names, positions):
print(f"关节反馈: {len(positions)} 个关节")
for name, pos in zip(joint_names, positions):
print(f" {name}: {pos:.3f}")
with Mantis(ip="192.168.1.100") as robot:
# 注册反馈回调
robot.on_feedback(on_feedback)
# 保持运行,接收反馈
time.sleep(10)
6. 综合示例
from mantis_sdk import Mantis
import time
with Mantis(ip="192.168.1.100") as robot:
print("开始综合演示...")
# 1. 头部环顾
robot.head.look_left()
time.sleep(0.5)
robot.head.look_right()
time.sleep(0.5)
robot.head.center()
# 2. 双臂抬起
robot.left_arm.set_shoulder_pitch(0.5)
robot.right_arm.set_shoulder_pitch(0.5)
time.sleep(1)
# 3. 夹爪开合
robot.left_gripper.open()
robot.right_gripper.open()
time.sleep(0.5)
robot.left_gripper.close()
robot.right_gripper.close()
time.sleep(0.5)
# 4. 前进后退
robot.chassis.forward(0.1)
time.sleep(1)
robot.chassis.backward(0.1)
time.sleep(1)
robot.chassis.stop()
# 5. 回到初始位置
robot.left_arm.home()
robot.right_arm.home()
robot.head.center()
print("演示完成!")
机器人端配置
启动 Zenoh-ROS2 桥接(根据你的 ROS_DOMAIN_ID 设置 -d 参数):
~/zenoh_ros2/zenoh-bridge-ros2dds -d 99
文件结构
mantis/
├── mantis_sdk/
│ ├── __init__.py # 模块入口
│ ├── mantis.py # 主控制类
│ ├── arm.py # 手臂控制
│ ├── gripper.py # 夹爪控制
│ ├── head.py # 头部控制
│ ├── chassis.py # 底盘控制
│ ├── cdr.py # CDR编解码
│ └── constants.py # 常量定义
└── README.md
注意事项
- 角度单位:所有角度均为弧度(rad)
- 速度单位:线速度 m/s,角速度 rad/s
- 夹爪范围:0.0(闭合)到 1.0(张开)
- 连接超时:默认 5 秒,可通过
connect(timeout=10)调整
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