can I use Model Predictive Controller in Simulink and coding in script at the same time? using MATLAB

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Mounira 2024-3-7

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https://ww2.mathworks.cn/matlabcentral/answers/2091816-can-i-use-model-predictive-controller-in-simulink-and-coding-in-script-at-the-same-time-using-matla

回答： Satwik 2024-3-28

Hello,

so i have a question, I have Model Predictive Controller in Simulink and also i have to add some new constraints and cost function that are not added by the MPC, so i have to write them in script;

my question is: can i use the simulink and coding for model predictive controller at the same time, or should I just use coding?;

i remember last year someone form matlab answered and said that they are working to make the MPC working in parallel by simulink and script.

thanks in advance

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Answer 1

Satwik 2024-3-28

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https://ww2.mathworks.cn/matlabcentral/answers/2091816-can-i-use-model-predictive-controller-in-simulink-and-coding-in-script-at-the-same-time-using-matla#answer_1432861

Hello,

To my knowledge, defining custom constraints and cost functions is only possible in Nonlinear MPC (NLMPC) and not in Linear MPC. So, if you are using a NLMPC to serve the purpose of your project, you can go ahead and add custom constraints and cost functions using the steps provided in the following documentation:

https://www.mathworks.com/help/mpc/ug/specify-cost-function-for-nonlinear-mpc.html

Additionally, I recommend you have a look at this MATLAB Central discussion:

https://www.mathworks.com/matlabcentral/answers/2060629-customized-cost-function-and-binary-manipulated-variable-in-nl-mpc.

It could help you formulate a possible workaround on using custom constraints even in Linear MPC.This discussion also provides some insights into the merits and demerits of NLMPC versus Linear MPC.

Hope this helps!