How to change Matlab System parameters inside a For Each Subsystem ?
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giuliano d'alterio
el 8 de Mayo de 2024
Respondida: Yatharth
el 24 de Jun. de 2024 a las 9:20
Hi everyone.
I have a Matlab system with some tunable properties which i change with the write Parameter Writer block. Now i want to put the matlab system inside a for each block and change the tunable properties based on the input of the for each, but i'm having problem with the write parameter. My understanding is that the write parameter block is not compatible with the for each block. Is there a workaround for this?
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Yatharth
el 24 de Jun. de 2024 a las 9:20
Hi,
You can use the "MATLAB Function block" instead of "Parameter Writer" within the "For Each" subsystem to update the tunable properties. This method provides more flexibility and allows you to directly manipulate the properties within the "For Each" loop.
You can follow these steps:
- Replace the "Parameter Writer" block with "MATLAB Function" block inside the "For Each" subsystem
- In the "MATLAB Function" block, write a function that updates the tunable properties based on the input.
function updateTunableProperties(input)
%#codegen
% Example of updating a tunable property
persistent tunableProperty;
if isempty(tunableProperty)
tunableProperty = 0; % Initialize if needed
end
tunableProperty = input; % Update the property based on the input
% Use the updated property in your system
% Example: y = someFunction(tunableProperty, otherInputs);
end
3. Ensure that the tunable properties are defined as persistent variables or properties within the MATLAB Function block.
Please refer to the following documentation link to know more about “MATLAB Function” block: https://www.mathworks.com/help/simulink/ug/what-is-a-matlab-function-block.html
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