Best way to make a matlab - simulink closed loop simulation

Question

Lorenz Padberg 2014-5-13

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https://ww2.mathworks.cn/matlabcentral/answers/129429-best-way-to-make-a-matlab-simulink-closed-loop-simulation

回答： ragesh r menon 2014-5-14

I have a given (and very large) set of matlab functions, that perform a simulation (calculate new states within a for loop). Now I have some algorithms implemented in Simulink that I want to invoke into the matlab function. Some of the matlab states are inputs of the Simulink model and the outputs of the model are processed in the matlab functions.

I was thinking about building a mex file from simulink to call it then in the m files calculation loop. But there is hardly any documentation about how to call such a level 2 mex file in matlab.

Does hanyone have example code or a tutorial how to do this? (Or a different approach)

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Answer 1

A Jenkins 2014-5-13

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https://ww2.mathworks.cn/matlabcentral/answers/129429-best-way-to-make-a-matlab-simulink-closed-loop-simulation#answer_136635

在 MATLAB Online 中打开

To call Simulink from MATLAB:

simout=sim('modelname');

To call MATLAB from Simulink:

MATLAB Function Block

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Lorenz Padberg 2014-5-14

Thanks for the answer, but this is not really what I am looking for since sim() just runs the whole simulation until the stop time. But how would you do it if have an integrator connected to the output of the model and its result is an input of the model.? I assume that I need to have access to the step function of the model.

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