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Title: Tuning of PID controllers based on gain and phase margin specifications
Authors: Ho, W.K. 
Hang, C.C. 
Cao, L.S.
Keywords: Adaptive control
PID control
process control
relay control
self-tuning regulators
Issue Date: Mar-1995
Source: Ho, W.K.,Hang, C.C.,Cao, L.S. (1995-03). Tuning of PID controllers based on gain and phase margin specifications. Automatica 31 (3) : 497-502. ScholarBank@NUS Repository.
Abstract: Simple formulae are derived to tune/design the PI and PID controllers to meet user-specified gain margin and phase margin. These formulae are particularly useful in the context of adaptive control and auto-tuning, where the controller parameters have to be calculated on-line. The results in this paper can be used to predict the achievable rise time of the closed-loop system, which is useful for self-diagnosis-a desirable feature of 'intelligent' controllers. New insights into the internal model control design for the PID controller are also given. © 1995.
Source Title: Automatica
ISSN: 00051098
Appears in Collections:Staff Publications

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