# 单线激光雷达SLAM建图与路径规划
使用的硬件:autolabor pro1小车、小觅双目相机(S1030标准版本)、IntelNUC迷你主机、显示器、2D激光雷达 Delta-1A
使用的软件:ubuntu 16.04 LTS、ROS-kinetic、小觅驱动、autolabor pro1小车驱动、Delta-1A驱动、VINS-Fusion算法、ROS-navigation导航包、gmapping建图算法、cartographer_ros建图算法
## tf介绍
tf变换:map(地图坐标系)-->odom(里程计坐标系)——>base_link(小车基座坐标系)——>传感器坐标系(lidar、camera)
---- map-->odom 由建图算法提供
---- odom --> base_link 由小车驱动提供
---- base_link --> 传感器坐标系 根据传感器在小车上安装的位置确定,使用static_transform_publisher静态坐标转换来设置
所需传感器数据类型: sensor_msgs/LaserScan 使用Delta-1A驱动发布的雷达扫描话题,话题名:/scan
所需里程计信息数据类型:nav_msgs/Odometry 使用autolabor pro1发布的里程计,话题名:/wheel_odom
## 建图
采用gmapping与 cartographer_ros建图算法分别进行建图
### gmapping建图:(雷达+小车)
打开终端,执行如下指令:
$ cd ~/catkin_ws_lidar_slam/
$ source devel/setup.bash
$ roslaunch autolabor_box_launch create_map_gmapping.launch ####打开小车urdf模型、驱动、键盘控制节点、打开雷达驱动、打开gmapping节点、打开rviz可视化节点
####此时使用键盘的上下左右键控制小车移动,开始建图
####建图完成后,开启新的终端执行如下指令,保存地图:
$ rosrun map_server map_saver -f map_name ####保存地图 map_name为保存地图的名称,运行结果,会生成2个文件,后缀名分别为 .pgm .yaml
### cartographer_ros建图:(雷达+小车)
##打开终端,执行如下指令:
$ cd ~/catkin_ws_lidar_slam/
$ source devel/setup.bash
$ roslaunch autolabor_box_launch create_map_cartographer.launch
####此时使用键盘的上下左右键控制小车移动,开始建图
####建图完成后,开启新的终端执行如下指令,保存地图:
$ rosrun map_server map_saver -f map_name
### cartographer_ros建图:(雷达+小车+IMU)
$ cd ~/catkin_ws_lidar_slam/
$ roslaunch autolabor_box_launch create_map_cartographer_imu.launch
####此时使用键盘的上下左右键控制小车移动,开始建图
####建图完成后,开启新的终端执行如下指令,保存地图:
$ rosrun map_server map_saver -f map_name
## 定位与路径规划
分别使用gmapping建图算法与cartographer_ros建图算法建立的地图进行定位与路径规划
### gmapping算法建立的地图进行定位与路径规划
打开终端,执行如下指令:
$ cd ~/catkin_ws_lidar_slam/
$ source devel/setup.bash
$ roslaunch autolabor_box_launch gmap_navigation.launch ####打开小车urdf模型、驱动、键盘控制节点、打开雷达驱动、打开map_server节点、打开move_base节点、打开acml节点、打开rviz可视化节点
使用Rviz工具栏中的2D Nav Goal按钮选择Goal,进行路径规划导航。
### cartographer_ros算法建立的地图进行定位与路径规划
打开终端,执行如下指令:
$ cd ~/catkin_ws_lidar_slam/
$ source devel/setup.bash
$ roslaunch autolabor_box_launch carto_navigation.launch
使用Rviz工具栏中的2D Nav Goal按钮选择Goal,进行路径规划导航。
------------注意事项---------------
开是路径规划之前,先用键盘控制小车在原地旋转几圈,加快粒子群收敛,便于小车找准在地图中的位置以及方位。
-----------注意事项---------------
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基于单线激光雷达SLAM建图与路径规划c++实现的源代码+项目说明(SLAM建图、定位、路径规划),含有代码注释,新手也可看懂,个人手打98分项目,导师非常认可的高分项目,毕业设计、期末大作业和课程设计高分必看,下载下来,简单部署,就可以使用。 基于单线激光雷达SLAM建图与路径规划c++实现的源代码+项目说明(SLAM建图、定位、路径规划),含有代码注释,新手也可看懂,个人手打98分项目,导师非常认可的高分项目,毕业设计、期末大作业和课程设计高分必看,下载下来,简单部署,就可以使用。 基于单线激光雷达SLAM建图与路径规划c++实现的源代码+项目说明(SLAM建图、定位、路径规划),含有代码注释,新手也可看懂,个人手打98分项目,导师非常认可的高分项目,毕业设计、期末大作业和课程设计高分必看,下载下来,简单部署,就可以使用。基于单线激光雷达SLAM建图与路径规划c++实现的源代码+项目说明(SLAM建图、定位、路径规划),含有代码注释,新手也可看懂,个人手打98分项目,导师非常认可的高分项目,毕业设计、期末大作业和课程设计高分必看,下载下来,简单部署,就可以使用。
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