why the error in simscape mobility

Question

志强 2024-3-5

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https://ww2.mathworks.cn/matlabcentral/answers/2090386-why-the-error-in-simscape-mobility

回答： Rishi 2024-3-21

in this model ,what mistake in Spherical Joint1 and Spherical Joint2，The specific problem is that when all three spherical joints are connected, an error occurs

错误:['untitled0303']: The following errors were found in the model untitled0303.

原因:

['untitled0303/Solver Configuration']: *** Model not assembled: position violation *** Resolve this issue in order to simulate the model.

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志强 2024-3-5

志强 2024-3-5

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Answer 1

Rishi 2024-3-21

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https://ww2.mathworks.cn/matlabcentral/answers/2090386-why-the-error-in-simscape-mobility#answer_1428661

Hi 志强,

I understand from your query that you want to know why you are encountering the following error - Model not assembled: position violation.

This error indicates that the Base and Follower coordinate frames of a Joint violate the degrees-of-freedom constraint of the Joint. This issue has been addressed in the below MATLAB Answer:

https://www.mathworks.com/matlabcentral/answers/473428-why-do-i-receive-the-following-error-when-i-run-my-simscape-multibody-model-model-not-assembled-po?s_tid=answers_rc1-3_p3_Topic

Hope this helps!