How to make a Simulink block that runs the same Simulink several times to record the data?

Question

Hyungbo Shim 2021-7-18

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https://ww2.mathworks.cn/matlabcentral/answers/881293-how-to-make-a-simulink-block-that-runs-the-same-simulink-several-times-to-record-the-data

回答： Salman Ahmed 2021-9-2

I want to repeat the same simulation several times and record them with different random inputs.

Instead of repeating this process from an external .m script, is it possible to put a Simulink block (inside the same Simulink) that control the operation of this process automatically?

For example, it may be good to have a block with a push button, and when I push the button, the same simulink file is simulated, say, three times, and all the outputs are saved in a file.

Any idea or keywords to implement it is appreciated. Thank you.

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Answer 1

Salman Ahmed 2021-9-2

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Hi Hyungbo Shim,

You can repeat an algorithm using a foreach subsytem. Have a look at the sample Simulink model where the foreach subsystem forms your logic (here it is a gain block of 2) to be repeated for different random inputs: