Independent design of decentralized controllers for specified closed-loop performance

Author

Kozakova, A. ; Vesely, V.

Author_Institution

Department of Automatic Control Systems, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology, Ilkovičova 3, 812 19 Bratislava, Slovak Republic

fYear

2003

fDate

1-4 Sept. 2003

Firstpage

2880

Lastpage

2886

Abstract

The paper presents an original frequency domain approach to decentralized controller design for specified performance The novelty of the proposed approach consists in assessing the influence of interactions by means of characteristic functions/loci of the plant interaction matrix, and further using them to modify mathematical models of subsystems thus defining the so called “equivalent subsystems”. The independent design carried out for equivalent subsystems provides local controllers that guarantee fulfilment of performance requirements without any deterioration due to the effect of interactions. Theoretical conclusions are supported with results obtained from the solution of several examples, one of which is included.

Keywords

Closed loop systems; Frequency-domain analysis; MIMO; Polynomials; Stability criteria; Transfer functions; characteristic loci; decentralized controller; generalized Nyquist stability criterion; independent design; spectral Nyquist plot;

fLanguage

English

Publisher

ieee

Conference_Titel

European Control Conference (ECC), 2003

Conference_Location

Cambridge, UK

Print_ISBN

978-3-9524173-7-9

Type

conf

Filename

7086477