Prescribed kinematics in forward dynamics

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Sina Porsa
Posts: 99
Joined: Thu Feb 03, 2011 7:21 pm

Prescribed kinematics in forward dynamics

Post by Sina Porsa » Tue Sep 25, 2012 11:02 pm

Hi All,
I was wondering if I can apply a prescribed trajectory to a link during a forward dynamics simulation?
What I am trying to do, is to give muscle excitation patterns and pelvis trajectory as INPUTS to my forward dynamic simulation.
Thanks,
Sina
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Ayman Habib
Posts: 2244
Joined: Fri Apr 01, 2005 12:24 pm

Re: Prescribed kinematics in forward dynamics

Post by Ayman Habib » Wed Sep 26, 2012 10:18 am

Hi Sina,

You can prescribe coordinates in a model as a function of time, you can follow the steps in this forum thread

https://simtk.org/forums/viewtopic.php?f=91&t=2450

For a model with muscles, you'll need to specify excitation patterns as well to run forward simulation.

Please let us know if you run into problems using this approach.

Best regards,
-Ayman
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