Hello there, I have followed the Chapter 3 on ROS Hydro, when I roslaunch seven_dof_arm_gazebo seven_dof_arm_world.launch and roslaunch seven_dof_arm_gazebo seven_dof_arm_gazebo_control.launch and get below error. Actually, the first launch had throwed the pid gain error.
another question is: I found the rrbot control.yaml is using the effort_controllers/JointPositionController and your seven_dof_arm use position_controllers/JointPositionController what is the difference and which is better?
Any help with this would be appreciated. Thanks in advance!
Hello there, I have followed the Chapter 3 on ROS Hydro, when I![screenshot from 2016-05-16 08 50 40](https://cloud.githubusercontent.com/assets/7522853/15277959/d84b110c-1b43-11e6-8f2f-c3cb50778fec.png)
roslaunch seven_dof_arm_gazebo seven_dof_arm_world.launch
androslaunch seven_dof_arm_gazebo seven_dof_arm_gazebo_control.launch
and get below error. Actually, the first launch had throwed the pid gain error.another question is: I found the rrbot control.yaml is using the
effort_controllers/JointPositionController
and your seven_dof_arm useposition_controllers/JointPositionController
what is the difference and which is better?Any help with this would be appreciated. Thanks in advance!