The choice of controller zeros
- 1 January 1989
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Control Systems Magazine
- Vol. 9 (1), 72-75
- https://doi.org/10.1109/37.16754
Abstract
The positioning of the controller zeros near the slow process poles though greatly improving 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.Keywords
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