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|Title:||Choice of controller zeros|
|Citation:||Hang, C.C. (1989-01). Choice of controller zeros. IEEE Control Systems Magazine 9 (1) : 72-75. ScholarBank@NUS Repository.|
|Abstract:||The optimal choice of controller zeros is found to be vastly different for set-point and load-rejection responses. The positioning of the controller zeros near the slow process poles, though producing dramatic improvement in the speed of response for a set-point change, can be detrimental to load rejection. This result is used to explain the heuristics used in the Ziegler-Nichols tuning formula for proportional-integral-derivative controllers and in the positioning of controller zeros in pole-placement controllers and phase-lag compensators.|
|Source Title:||IEEE Control Systems Magazine|
|Appears in Collections:||Staff Publications|
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