Can I link optimization code with Simulink file?

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Morteza Moslehi 2023-5-11

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评论： Fangjun Jiang 2023-5-19

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I want to link my m.file with simulink file to cut the complex equations and codes.

I just want to know, Can I define my specific parameter as variables and link the file with smulink?

cost =zeros(size(popmatrix,1),1);
for ii= 1:size(popmatrix)
P=popmatrix(ii,2);
I=popmatrix(ii,1);
LowerBand = [-400 -400];
UpperBand = [400 400];
Xls=.19; 
Rs=.003; 
Xd=1.8; 
Rfd=.000929; 
..
sim('PMSM')

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回答（2 个）

Fangjun Jiang 2023-5-11

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In the most common case, you run the code above, all the variables will be created in the base workspace. If your Simulink model PMSM uses any of these variables in its block diagram, then, Yes, the Simulink model will use the updated variable value for its simulation. In your word, they are "linked".

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Fangjun Jiang 2023-5-12

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No need to touch the mask of the PID controller. You will be confused by yet another term: mask workspace.

Design your cost function as

function [Kc, E]=MyFun(x,y,z)
%some code here
end

And then run this in Command Window and you will get Kc and E in base workspace

[Kc, E]=MyFun(x,y,z)

Morteza Moslehi 2023-5-18

移动：Fangjun Jiang 2023-5-19

@Fangjun Jiang thank you so much to give your time to fix my code.

But, my problem was in the simulink, I had to put Fobj for controlling. Thank you so much for your kind again.

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Morteza Moslehi 2023-5-12

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1961579-can-i-link-optimization-code-with-simulink-file#answer_1233779

在 MATLAB Online 中打开

Can I do it by Matlab?

function cost = Curve_Pth_Pattern1_P_I(popmatrix)
global LowerBand UpperBand
for ii = 1:length(LowerBand)
 popmatrix(:,ii) = LowerBand(ii)+(UpperBand(ii)-LowerBand(ii))*popmatrix(:,ii);
end
% change the bounds of x from 0<=x<=1 to a<=x<=b
cost =zeros(size(popmatrix,1),1);
for ii= 1:size(popmatrix)
P=popmatrix(ii,2);
I=popmatrix(ii,1);
LowerBand = [1 1];
UpperBand = [4 10];
%equations
sim('PMSM')
end

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Morteza Moslehi 2023-5-18

移动：Fangjun Jiang 2023-5-19

FIrst, We have to descibe a block as objective function to model and make a circle in the simulink and after that define m.files for parameters as workspace. it is completely okay.