Simulink signal is double when it should be logical.
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Samuel Kemp
el 22 de Oct. de 2022
Comentada: Samuel Kemp
el 22 de Oct. de 2022
I'm using a delay block to feed a signal back into a matlab function block. The signal is a logical. It is only ever set via true or false, I never use numbers. Simulink things this is a double for some reason, and I can't even change it to a single. I've tried setting the starting value in the delay block to false or logical(0), but neither work.
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Paul
el 22 de Oct. de 2022
Hi Sam,
Set the initial condition of the Delay block (or Unit Delay block, not sure which is being used) to false or true as desired.
In the Matlab Function block editor, click on Edit Data to open the Symbols pane. Ensure the input signal to the block that is the feedback from the Delay block has the Type explcitly set to Boolean (not Inheritied). This worked for me, with a Matlab Function block code being
function y = fcn(u)
y = ~u;
end
However, I don't understand why Matlab couldn't figure it all out once the IC of the delay block was specified as a Boolean.
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