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环境:Ubuntu22.04 ROS2版本:humble 问题:我通过配置助手把两个小车的命名空间分别设置为了car1和car2,如下: 我使用命令:ros2 run teleop_twist_keyboard teleop_twist_keyboard /cmd_vel:=/car1/cmd_vel 这个命令可以控制一个小车。 我如何改变上位机的程序,去控制这两个小车实现避障。 我现在没啥思路,不知道要改哪里,特来此求助,先感谢大家了。