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changing the sizes of bodies in simscape

Asked by saeed shekari on 30 Mar 2018
Latest activity Answered by Steve Miller on 3 Apr 2019
i have imported a solidworks model to simscape and the calculated torques by my own dynamic modelling are different with the torques provided by simscape, i am wondering if it is possible that my link sizes have changed by importing to simscape, is it possible to check and change the sizes of links and how?

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1 Answer

Answer by Steve Miller on 3 Apr 2019

Hi - when you import from SolidWorks to Simscape, the sizes will match exactly what was defined in SolidWorks. If it does not match a separate calculation you have done, here are some things you should check:
  1. Units - are they defined in SolidWorks? Are they the same as in your calculation?
  2. Density - is it defined in your CAD model? Is it the same as in your calculation?
  3. Joint locations - are they at the exact location as in your calculation? Sometimes they may be not perfectly centered.
  4. Kinematics - were the joints defined as you expected?
The conversion process will not alter anything that was defined in the CAD model.
--Steve

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