arm navigation: unable to change velocity [closed]

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Hello,

I'm working on collision free arm navigation with the KUKA youBot (using the youbot-manipulation stack)

Everything works fine, but I have a problem: I am not able to change the velocity/acceleration of the trajectory.

I edited joint_limits.yaml, setting a higher max_velocity and max_acceleration for each joint, but nothing changed. (I know this is not suggested, but the execution of a filtered trajectory is reeeeeeeeally slow!)

How can I solve this?

Thank you