安装turtlebot sudo apt-get install ros-hydro-turtlebot-simulator sudo apt-get install ros-hydro-turtlebot-apps ros-hydro-turtlebot-rviz-launchers 启动gazebo roslaunch turtlebot_gazebo turtlebot_empty_world.launch 启动teleop roslaunch turtlebot_teleop keyboard_teleop.launch 启动rviz roslaunch turtlebot_rviz_launchers view_robot.launch