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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: A question about Simulink
Replies: 2   Last Post: Jun 17, 1996 11:40 PM

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A.A.Afzalian

Posts: 1
Registered: 12/11/04
A question about Simulink
Posted: Jun 17, 1996 12:23 PM
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Dear Mathworks

I am using Simulink to simulate the behaviour of a control system.
I would like to change a parameter of the system during the simulation using
the output at the previous time e.g.,

A( t ) = A( t-1 ) + k * y( t-1),

Where A is the parameter of the controller, and y is the plant output:

___________ _____________
e | | | |
---->| f(A, e) |------>| Plant |----> y
| | | | |
------------- ------------ |
|
_____________ |
A | | |
<-----| Changing A |<-|
| |
------------


After each time step, the parameter A should be changed and used for
the next time step .

Could anybody please let me know how I can make a block in Simulink to
perform this job.

Best Regards
Ali





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