ROS

There are 7 posts filed in ROS (this is page 1 of 1).

Rosserial Windows与ROS之间的通信

小结 测试了下Rosserial Windows与ROS之间的通信，解决了几个问题。 过程 参考链接及代码，以Turtlesim为实验进行了配置，记录一些指令如下： john@ubuntu:~$ sudo apt-get install ros-noetic-rosserial-windows john@ubuntu:~$ sudo apt-get install ros-noetic-rosserial-server john@ubuntu:~$ roscore john@ubuntu:~$ rosrun turtlesim turtlesim_node john@ubuntu:~$ rosrun rosserial_server socket_node [ INFO] [1658159352.315079648]: Listening for rosserial TCP connections on port 11411 john@ubuntu:~$ rostopic list /rosout /rosout_agg /turtle1/cmd_vel /turtle1/color_sensor /turtle1/pose john@ubuntu:~$ rostopic echo /turtle1/cmd_vel 问题及解决 问题解决后，测试成功。 问题一：#include “stdafx.h”报错 解决： 设置工程属性，设置Precompiled Header为Not […]

ROS环境变量的设置

问题 ROS在运行或者启动过程中出现找不到包的问题，具体如下： ImportError : No module named xxxx.msg 或者 roscd/roslaunch cannot find the package that be built recently 原因是环境变量没设置好。 解决 设置环境变量： #source /opt/ros/noetic/setup.bash #source ~/catkin_ws/devel/setup.bash 或者一般是添加到~/.bashrc文件中。 参考 ROS中的roslaunch命令和launch文件（ROS入门学习笔记四） ImportError : No module named xxxx.msg roscd/roslaunch cannot find the package that be built recently

ROS Gazebo的几个问题

问题1 找不到JointTrajectoryController，报错如下： Could not load controller, JointTrajectoryController does not exist 解决： 进行安装： sudo apt-get install ros*controller* 问题2 报错： process has died [pid 20978, exit code 255, cmd /opt/ros/melodic/lib/gazebo_ros/gzserver -e ode /home/aditya/catkin_ws/src/my_simulations/world/empty_world.world __name:=gazebo __log:= 解决： killall gzserver killall gzclient 问题3 报错： Error “context mismatch in svga_sampler_view_destroy” running GUI programs on Ubuntu in a VM 解决： $ […]