To use this node on the physical car, run
ros2 launch pure_pursuit pure_pursuit.launch.py
This will use the parameters from the config file config/config.yaml
If you want to test it out in simulation, which uses different topic names, run
ros2 launch pure_pursuit sim_pure_pursuit_launch.py
Setting the gain
ros2 param set pure_pursuit K_p 0.1
Setting the velocity profile
ros2 param set pure_pursuit velocity_percentage 0.7