meaning of the value in the ros_control joint control commands

asked 2019-05-21 08:49:07 -0500

Bryant gravatar image

I just browsed this tutorial and successfully controlled the joints of the robot model in gazebo. However, I don't understand the meaning of the value in the command.

rostopic pub -1 /rrbot/joint1_position_controller/command std_msgs/Float64 "data: 1.5"

As the above command, what does the 1.5 stand for?

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