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UR5-Drawing

首先感谢实验课的助教工作,然我看到了学生们的热情以及大家的智慧。这是我在其中绘图机器人实验的基础上进行复现完成的一次demo演示。

基于ROS,我们利用gcode与moveit结合产生了一种离线生成路点,并利用笛卡尔路径规划进行运动学规划的绘图方式。

本系统在 Ubuntu 16.04 + ros kinetic下测试通过 ,机械臂控制采用moveit

整体方案:

图片转换成svg格式->svg图片边缘轮廓->转为gcode->解析gcode ->运动学逆解执行->笛卡尔路径规划->机械臂空间绘图

具体原理:

Blog:

https://www.guyuehome.com/?p=27468

文件结构

universal_robot UR机械臂驱动

industrial_core UR机械臂驱动依赖

draw_core 绘图部分核心代码

  • arm_controller.py 机械臂控制核心
  • gcode_draw.py gcode解析与绘制
  • gcode_excute gcode指令与机械臂控制的中间接口文件
  • svg_convert svg转gcode
  • py_svg2gcode svg转Gcode核心代码库
    • lib/shapes.py svg形状类型解析
    • lib/cubicsuperpath.py 曲线插值

参考网址:

https://github.com/mywisdomfly/drawing_manipulator

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