The Worst and Best Control System

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JCH's Avatar (by Gravatar)JCH posted on
December 19, 2007, 2:18 pm
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Page 1: Definitions
Page 2: Worst system if using just PID
PAge 3: Best system with additional functions (State Observer)

See for details
http://home.arcor.de/janch/janch/_news/20071219-stateobserver/

One can't have better results if just using a PID controller and testing
under the same conditions (IAE criterion).

Page 10 (IAE)
http://www.site.uottawa.ca/~rhabash/ELG4152L405.pdf


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pnachtwey's Avatar (by Gravatar)pnachtwey posted on
December 21, 2007, 9:05 pm
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Re: The Worst and Best Control System




On page 3 the disturbances don't disturb at all.  Did you forget to
implement them?


So what IAE coefficients did you use?  The values shown in the PDF are
for ITAE and they are close but not right.

BTW, I am still waiting for the definition of best for the thread you
started on 23 Nov. IAE?  ITAE?  SSE?

Peter Nachtwey


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