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Is there any way to support kinematic loop

Open lvitol opened this issue 11 months ago • 2 comments

The robot I would like to simulate has the following design: image

The current code seems to support only tree-like structures.

lvitol avatar Dec 19 '24 05:12 lvitol

Yes you are right. Current rigid solver does not support kinematic loop. We will see if there is any workaround for parallel robots and if not, discuss internally when to integrate this. Will keep you posted.

zswang666 avatar Dec 19 '24 06:12 zswang666

Second this, we had to use mjx so that we can simulate parallel mechanisms, would be nice to have an alternative simulator that could do this.

weizhuowang avatar Dec 20 '24 01:12 weizhuowang

We now support equality constraint recently and kinematic loop. There might be some bugs with closed loop + ball joint and we will fix it soon.

YilingQiao avatar Feb 22 '25 16:02 YilingQiao