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How to simulate a mecanum wheel in Gazebo?

asked 2013-08-04 02:50:17 -0600

Arn-O gravatar image


All my technical problems are hopefully behind me. I can now address core simulation questions.

The robot I'm working on (youBot) is equipped with "mecanum wheels". I did not this kind of wheel before. They allow the mobile platform to move in any direction.



The URDF files I found have implemented this part with simple wheels and casters. This is far from the real moves of the youBot, which "glides" on the ground.

Any idea of how to simulate this kind of wheels with a simplified model? (I guess that simulating the full dynamics of the wheel will be too heavy )

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answered 2013-08-06 08:04:07 -0600

SL Remy gravatar image

Just a thought, for this robot it may be easier to model the motion of the entire robot instead of modeling the individual wheel. One path could be to use a plugin that accepts twist messages and applies them to the robot base. An example of this is the Planar Move Plugin.

In two dimension (i.e. stage) this might have been called the holonomic plugin.

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OK, thanks, I will have a look at this option.

Arn-O gravatar imageArn-O ( 2013-08-07 05:31:55 -0600 )edit

Finally very close to the real movement, even if the render is not realistic. I had to replace the real wheels by spheres.

Arn-O gravatar imageArn-O ( 2013-09-19 16:30:24 -0600 )edit

Hello Arn-O, I am currently facing the same simulation pb for another robot. Can you give some more details on how you simulated the mecanum wheels for your youbot? Thanks ;)

arennuit gravatar imagearennuit ( 2014-09-04 07:23:51 -0600 )edit
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Asked: 2013-08-04 02:50:17 -0600

Seen: 2,817 times

Last updated: Aug 06 '13