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How to determine if a signal in Simulink is within upper and lower limit bounds over a specified number of samples?

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Sonoma Rich
Sonoma Rich on 24 Jun 2021
Commented: Sonoma Rich on 26 Jun 2021
I want to monitor a signal in Simulink and output a boolean when the signal is within specified upper and lower limits for a specified number of samples. This is something similar to the Interval Test block, but for a given number of samples.

Accepted Answer

Paul on 26 Jun 2021
Edited: Paul on 26 Jun 2021
I'm going to assume that the signal in question is already sampled. Here's one approach. There are others.
Input the signal to a Tapped Delay block, which will output the moving vector of samples. Be mindful of the Initial Condition parameter.
The output of the Tapped Delay is input to the Interval Test for comparison of each sample.
The output of the Interval Test is input to Logical Operator with a single input and set to AND.

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