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Detect Change in the Value of data with x seconds in Stateflow

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Nalini Nadupalli 2021-1-21

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https://ww2.mathworks.cn/matlabcentral/answers/723588-detect-change-in-the-value-of-data-with-x-seconds-in-stateflow

回答： Jayant Gangwar 2022-10-4

I need to detect change in the value of a data within 5 seconds in Stateflow.

The link below provides temporal logic associated for states in the Stateflow rather than data in the stateflow chart.

https://www.mathworks.com/help/stateflow/ug/using-temporal-logic-in-state-actions-and-transitions.html

Is there any way I can detect changes in the data after a given time?

For e.g. Input signal "Choice" changes from "1" to "2" within "5 seconds"

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Jayant Gangwar 2022-10-4

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Hi Nalini,

You can use change detection operators like "hasChanged", "hasChangedTo", "hasChangedFrom", to determine if the value of a variable changes.

Refer to the documentation link below for detailed information regarding the same -

Detect Changes in Data and Expression Values - MATLAB & Simulink (mathworks.com)

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