All Projects → RuPingCen → mick_robot

RuPingCen / mick_robot

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基于激光传感器实现了简易的自主导航demo-开源自主导航小车项目(mick)

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mick_robot

mick 是一个开源的自主导航小车项目,使用四轮差速小车模型和16线的3D激光雷达作为传感器,导航框架是基于move_base进行修改的。目前支持麦克纳姆轮和四轮差速底盘,该开源项目从搭建机械部分开始,分享底层的嵌入式控制,上层的建图和导航部分,最终实现A点到B的自主导航。 当前地址的代码为麦克纳姆轮和四轮差速ROS底盘的ROS导航节点包,与 mick_robot_chasiss 代码(底层控制代码)配合使用,更多的信息可以参考博客-熊猫飞天

该开源项目项应的中文教程:

开源自主导航小车MickX4(一)ROS底盘硬件

开源自主导航小车MickX4(二)ROS底盘运动控制

开源自主导航小车MickX4(三)底盘ROS节点

开源自主导航小车MickX4(四)底盘URDF模型

开源自主导航小车MickX4(五)gmapping建图

开源自主导航小车MickX4(六)cartography 2D 建图

开源自主导航小车MickX4(七)cartography 3D 建图

开源自主导航小车MickX4(八)LeGo-LOAM 室外3D建图

开源自主导航小车MickX4(九)基于move_base 的自主导航框架

开源自主导航小车MickX4(十)总结与展望

该开源框架支持两种类型的底盘,4轮差速底盘和麦克纳姆轮底盘,如下图所示,底盘上运行的STM32程序可以在这个地址下载

MickX4

V1.2 修改日志

1.在底盘节点中增加使用外部的IMU来矫正里程计的偏航角

2.cartographer建图配置参数

3.增加了LeGO-LOAM节点(从官方节点fork)

V1.1 修改日志

1.修改了ROS serial库参数,使得串口读取数据帧更加稳定

2.增加节点启动时候清零里程计的指令

3.修复了里程计掉头以后由于方向原因使得位置估算错误的BUG

4.增加了参数传递功能,可通过launch文件传递参数

v1.0 修改日志

第一次提交

代码目录说明

mick_bringup : 为麦克纳姆轮和四轮差速ROS底盘的ROS节点

mick_description :存放模型文件和URDF文件

mick_navigation: move—base导航配置文件

1 下载安装

1.1 下载

 cd catkin_ws/src

 git clone  https://github.com/RuPingCen/mick_robot.git

1.2 安装依赖项 & 编译

  cd mick_robot
  
  ./config.sh
  
  cd ~/catkin_ws
  
  catkin_make

2 运行差速底盘 (X4)

2.1 启动键盘控制

使用 I J K L 按键控制小车移动,shift按键加速。注意要把遥控器拨到自动档位,使能上位机控制。

 roslaunch mick_bringup keyboard.launch

2.2 启动gmapping建图

 roslaunch mick_navigation mickx4_gmapping.launch

2.3 cartographer 建图

step1: 启动建图节点(传感器的启动都放在了这个launch文件中)

 roslaunch mick_navigation mickx4_carto_2D.launch

step2: 保存地图

 rosservice call /write_state ~/cartograph_test.pbstream

step3: 用 cartographer 自带的转换节点将.pbstream 文件转化为pgm和yaml文件

source devel_isolated/setup.bash

rosrun cartographer_ros cartographer_pbstream_to_ros_map -pbstream_filename /home/administrator/cartograph_test.pbstream -map_filestem /home/administrator/cartograph_test

3 麦克纳姆轮的底盘

 roslaunch mick_bringup mickx4_bringup.launch
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