How to change Simscape Multibody model parameter during simulation

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Mark
Mark 2020-6-20
回答： Steve Miller 2021-6-7
My multibody modle shall change length,mass,inertia of the rod during simulation. Is this supported in the Simulink
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Ameer Hamza
Ameer Hamza 2020-6-20
I don't think it is supported yet. I tried it some time ago, but simscape blocks didn't respond to that. Simsapce blocks are different as compared to normal Simulink blocks, so I guess there are some implementation differences. You may try it using event-listeners and set_param() as given here: https://blogs.mathworks.com/simulink/2013/01/25/accessing-block-data-during-a-simulation/.

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回答（1 个）

Steve Miller
Steve Miller 2021-6-7
Hi Mark,
There are variable solid blocks in Simscape Multibody.
Their properties can vary during simulation.
You can also motion actuate a joint to change the separation of two frames during simulation.
--Steve

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