A new approach to tune the two-degree-of-freedom (2DOF)

Author

Nemati, Hosein ; Bagheri, Peyman

Author_Institution

Malek Ashtar Univ. of Tehran, Tehran, Iran

fYear

2010

fDate

8-10 Sept. 2010

Firstpage

1819

Lastpage

1824

Abstract

This paper proposes a new tuning method for PI controllers in two-degree-of-freedom (2DOF) structure. In design approach, first order plus dead time (FOPDT) model is used. The aim is to have good set-point response and disturbance rejection and also maximum robustness to model uncertainties. The tuning strategy is based on using Butterworth rules and genetic algorithm optimization. Simulation results demonstrate the effectiveness and validity of proposed method in coping with conflicting design objectives for a wide variety of processes including minimum phase and non-minimum phase and also integrating processes.

Keywords

PI control; control system synthesis; genetic algorithms; process control; robust control; uncertain systems; Butterworth rules; PI controllers; disturbance rejection; first order plus dead time model; genetic algorithm optimization; maximum robustness; set-point response; tuning method; two-degree-of-freedom structure; uncertainties modelling; Control systems; Process control; Robustness; Sensitivity; Transfer functions; Tuning; Uncertainty;

fLanguage

English

Publisher

ieee

Conference_Titel

Computer-Aided Control System Design (CACSD), 2010 IEEE International Symposium on

Conference_Location

Yokohama

Print_ISBN

978-1-4244-5354-2

Electronic_ISBN

978-1-4244-5355-9

Type

conf

DOI

10.1109/CACSD.2010.5612670

Filename

5612670