Simscape - Custom component with Frame Port

Question

Boris Blagojevic 2020-6-12

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https://ww2.mathworks.cn/matlabcentral/answers/546977-simscape-custom-component-with-frame-port

回答： Juan Sagarduy 2020-10-30

Greetings,

i noticed that various blocks in Simscape have a Port corresponding to a Coordinate Frame - like all the Solid Blocks. For my task, i want to implement a custom component which also has Frame Ports. I struggle to write this Frame Ports in Simscape language - both the foundation.mechanical.translational.translational / .rotational.rotational domains won't work for obvious reasons. Changing the whole model to either of the domains is not feasible.

Could someone give me a hint on how to code Frame Ports in Simscape?

Best Regards

BB

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Answer 1

Juan Sagarduy 2020-10-30

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Hi Boris

What you are trying to achieve can only be done by creating a domain consisting of a vector of across variables w and v and a vector of through variables t and f. This is what Multibody does, and is convenient to use it to save engineering effort. It is complex to even consider doing this, easiest is to start with a 3D translational domain.

Regards / Juan