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2017-08-31 07:09:11 -0600 asked a question PID inconsistency

PID inconsistency I am tuning my PID controller for each joint of a manipulator. I tuned a prismatic joint and made sure

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2017-05-02 09:36:25 -0600 asked a question Joints depend on other joints

Joints depend on other joints I am trying to set the PID position controller on my 7-DOF robotic arm using ros-control.

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2016-09-21 13:10:11 -0600 asked a question Not a Valid Identifier

I am following the tutorial found on the book Learning ROS by Martinez page 40. When creating a new workspace, after adding a folder and trying to add this path to ROS_PACKAGE_PATH I keep getting the following:

bash: export: `ROS_PACKAGE_PATH~/dev/rosbook:/opt/ros/kinetic/share:/opt/ros/kinetic/stacks': not a valid identifier

These are the commands:

clare@clare-VirtualBox:~$ echo "export ROS_PACKAGE_PATH"~/dev/rosbook:${ROS_PACKAGE_PATH} >> ~/.bashrc
clare@clare-VirtualBox:~$ . ~/.bashrc