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Soft suspension model bounces around.

asked 2014-11-25 15:38:22 -0600

K. Zeng gravatar image

updated 2014-11-25 15:39:37 -0600

Hi everyone, I tried to create a vehicle with soft suspension based on a model I already have. However, whenever I try to spawn it, the vehicle starts bouncing around in a very erratic fashion and does not seem to ever land and stay on the ground for long. I set the mass of the chassis as 40 and the mass of each individual (4 total) as 4 and changed the dimension of the chassis and wheels to better fit the model with these meshes. Is the bouncing behaviour purely a mass issue or something else entirely? If it helps, I'm using Gazebo 3.1 with Ubuntu 14.04.

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answered 2014-11-25 16:48:08 -0600

scpeters gravatar image

updated 2014-11-25 16:59:20 -0600

I have already filed an issue for this:

https://bitbucket.org/osrf/gazebo/issue/1320/cart_soft_suspension-model-unstable-in-ode

I'm not sure why it happens, and I didn't notice it when I was first creating that model. I believe it works better in bullet and simbody.

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Asked: 2014-11-25 15:38:22 -0600

Seen: 522 times

Last updated: Nov 25 '14