Simulink Block not used.

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Maria Stroe
Maria Stroe 2019-4-3
回答： Eugene Ofori 2023-8-16
Hello,
I am trying to make a Simulink Model, most of the blocks work properly, but some are "not used" as it says on the yellow labels. I want to know what it means that the block is "not used". As I already searched it says that "Simulink cannot obtain the signal value due to optimization." but i dont really understand how to solve the problem. The blocks already exist in the Simulink Library Browser.
Thank you

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回答（2 个）

Hayder Gallas
Hayder Gallas 2019-8-16
编辑：Hayder Gallas 2019-8-16
im facing the same problem, have you found a solution please !
Eugene Ofori
Eugene Ofori 2023-8-16
I had the same problem and turns out the message is correct. I fixed this in the past by forcing matlab to think you require the signal and stop it from ignoring it due to optimisation. Connecting the signal or another signal downstream that uses your signal of concern to a display or scope has worked in the past. For my case it actually alerted me that I had forgot to assign my signal to my output bus.

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