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Matlab function in Simulink

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Mohammad Nasiri
Mohammad Nasiri 2022-5-7
回答： Joel Van Sickel 2022-5-10
I have a function which is also consist of some functions.
I want to run a simulink to put a controller to control the mass flow rate.
But, when I can the matlab function from simulink, I received a lot of errors (about the optimization part and etc.).
How can I run this matlab function continiously insimulink without error?
  2 个评论
Sam Chak
Sam Chak 2022-5-7
Hi @Mohammad Nasiri
Yes, it is possible to control the mass flow rate in Simulink.
But can you show the governing flow equation, and the flow control law, ?
You are also encouraged to display the control block diagram here.
Mohammad Nasiri
Mohammad Nasiri 2022-5-8
Let me explain better.
There is a mass flow rate of H2 inside a fuel cell. As H2 is consued, H2O is produced and electricty and heat is generated.
All is done my some functions all in matlab.
I want to use the remaining H2 at the outlet egain (it is called recirculation), and I am sugessted to do it in simulink,
But, as I have some function like fmincon, I receive a lot of errors.

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回答（1 个）

Joel Van Sickel
Joel Van Sickel 2022-5-10
Hello Mohammad,
This answer addresses using the 'coder.extrinsic' setting to use more complicated functions so they work with Simulink inside of the matlab function block.
https://www.mathworks.com/matlabcentral/answers/65202-optimization-calling-fmincon-in-simulink-embedded-block
Regards,
Joel

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