Bode stability demonstration in Simulink
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I'm trying to create a demonstration of the Bode stability "thought experiment" using Simulink. What I'd like to do is have an input to an open-loop feedback control system be a sine wave, then some time later have that input changed to a constant value and the loop closed.
Any thoughts on how to do this?
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Accepted Answer
Swarooph
on 17 Nov 2011
Have you thought about using something like a switch? Have a look at this demo 'sldemo_zeroxing' that shows input changing as a function of simulation time. You could use a similar switch to make the open loop/closed loop connections.
Another approach could be to use an enabled subsystem:
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Robert
on 18 Nov 2011
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maamouri maamouri
on 3 Sep 2015
Edited: maamouri maamouri
on 3 Sep 2015
please can you help me how to analyse the stability of a model using simulink ( wich block you used ???)
thank you
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