Is there any method to reverse engineer Mathematical equations from a Simulink Model?

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Shobhit 2014-10-13

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回答： Manuel 2014-10-31

I am trying to create mathematical equations behind a simulink model. Manually its proving to be a time consuming task. Is there a faster approach to carry out this job?

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Shobhit 2014-10-30

I am looking for a generalized Reverse engineering a Simulink Model into Mathematical model. I usually deal with simple Differential equations.So mostly my life revolves around some integrator blocks.

For simple simulink models, its easily to understand the mathematical relations being used (e.g. say a spring mass damper system) But with larger Simulink models (say a full car- 7 DOF model) it becomes difficult to identify the equations involved.

So my question is there a faster method to regenerate or Symbolically represent the relationships in a Simulink model, than manually analyzing the blocks and writing them out separately?

Manuel 2014-10-31

You can linerize Simulink models to state-stace models. This enables computing a (linear) mathematical representation from the Simulink model at a given operating point. Simulink provides some basic trimming and linearization functions: http://www.mathworks.com/help/simulink/trimming-and-linearization.html The toolbox "Simulink Control Design" offers further trimming and linearization functionality.

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Answer 1

Manuel 2014-10-31

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https://ww2.mathworks.cn/matlabcentral/answers/158453-is-there-any-method-to-reverse-engineer-mathematical-equations-from-a-simulink-model#answer_157222

You can linerize Simulink models to state-stace models. This enables computing a (linear) mathematical representation from the Simulink model at a given operating point. Simulink provides some basic trimming and linearization functions: http://www.mathworks.com/help/simulink/trimming-and-linearization.html The toolbox "Simulink Control Design" offers further trimming and linearization functionality.