Tuning of Multivariable Decentralized Controllers Through the Ultimate-Point Method

A successful method for tuning single-loop PID controllers is the ultimate-point method. This method is based on the identification of the ultimate point of the process' frequency response followed by its shifting, through appropriate choices of the controller's parameters, to a specified...

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Veröffentlicht in:	IEEE transactions on control systems technology 2009-11, Vol.17 (6), p.1270-1281
Hauptverfasser:	Campestrini, L., Filho, L.C.S., Bazanella, A.S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Characteristic loci Computer science control theory systems Control system synthesis Control systems Control theory. Systems Controllers Decentralized Distributed control Exact sciences and technology Frequency response Industrial control MIMO Multivariable multivariable decentralized control PID control Planes Position (location) Process control Proportional control Proportional integral derivative relay-feedback experiment Relays Stability stability margins Three-term control Tuning ultimate-point method Ziegler-Nichols formulas
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Beschreibung
Zusammenfassung:	A successful method for tuning single-loop PID controllers is the ultimate-point method. This method is based on the identification of the ultimate point of the process' frequency response followed by its shifting, through appropriate choices of the controller's parameters, to a specified location of the complex plane. This paper presents an extension of the ultimate-point method to the tuning of decentralized controllers for multivariable processes.
ISSN:	1063-6536 1558-0865
DOI:	10.1109/TCST.2008.2006495