geometry_msgs/Twist command
geometry_msgs/Vector3 linear
float64 x
float64 y
float64 z
geometry_msgs/Vector3 angular
float64 x
float64 y
float64 z
float64[] joint_velocity_measured
float64[] joint_velocity_commanded
float64[] joint_velocity_error
float64[] joint_effort_measured
float64[] joint_effort_commanded
float64[] joint_effort_error
string[] joint_names