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How to have variable as time-dependent in Stateflow?

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I'm applying the stateflow as the controller for a Lock-up Clutch (Friction Disk Clutch feature) in a Torque converter so that they have two state:
State A: The clutch is close with a certain value of pressure (for example 0.1 MPa).
State B: When my vehicle is coasting to a certain speed at t0 (for example 20th seconds of the simulation), the clutch pressure is gradually reduced from the moment t0. In this case, How can I get the value of t0 and use that as the input for pressure calculation?

Answers (1)

Nathan Hardenberg
Nathan Hardenberg on 23 Aug 2023
Check out this MATLAB documentation example:
This is pretty much what you need. I adapted it a bit for your case, but you will be able to build it in a few minutes. This outputs 0 until t0 (=3) is reached and then outputs the current time.

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