How to apply Ziegler Nichols and Cohen and coon tuning?

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Bharath
Bharath on 18 Apr 2012
Commented: JANANI on 6 Dec 2016
http://i39.tinypic.com/332p8wh.png The problem given to me is as above mentioned. For above system when I follow Ziegler Tuning, I get oscillations at ku= 3.105 and pu=1.8sec. Now when I compute and substitute the values I am not getting the accurate result. Please help me as how to perform the Ziegler Nichols and Cohen and Coon method for the problem. Provide me with step by step procedures. Thanks, BHARATH

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Answers (1)

Arkadiy Turevskiy
Arkadiy Turevskiy on 26 Feb 2015
Take a look here , specifically under "classical design formulas".

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