CoppeliaSim forums

Hi all,
I'm working on dynamic modeling of a custom made robot. I've imported a simplified urdf filed which seems cleen but I got a really strange behavior on a prismatic joint:
https://youtu.be/tBVxMwTZzhw
Does anyone has an idea of what went wrong?
Thx,
Blaise

Hello Blaise,

what physics engine are you using? This is very probably due to an unbalanced mass/inertia situation. Make sure to carefully read design considerations 7-8 on this page.

Cheers

Thanks for your reply,
Now I rememeber having same issue regarding unbalanced inertia caused by solidworks when I was exporting on simscape Matlab