A systematic weight synthesis procedure for performance optimisation in ℋ∞ loop shaping

Author

Gunasinghe, Isharaka ; Lanzon, Alexander

Author_Institution

Dept. of Inf. Eng., Australian Nat. Univ., Canberra, ACT, Australia

fYear

2007

fDate

2-5 July 2007

Firstpage

223

Lastpage

228

Abstract

This paper proposes a systematic method to synthesise ℋ_∞ loop shaping weights that would optimise performance while maintaining a pre-specified level of optimal robust stability margin. This objective is captured by two optimisation problems expressed in the form of Linear Matrix Inequalities (LMI), which are solved by means of an iterative algorithm. This scheme will aid the designer to gauge the achievable performance of a plant for a specified level of robustness and to adjust pre-designed weights to further enhance performance.

Keywords

H^∞ control; control system synthesis; iterative methods; linear matrix inequalities; optimisation; performance index; robust control; ℋ∞ loop shaping weight synthesis; LMI; iterative algorithm; linear matrix inequalities; optimal robust stability margin; optimisation problem; performance enhancement; performance optimisation; robustness; systematic weight synthesis procedure; Australia; Optimization; Robust stability; Robustness; Shape; Systematics; Transfer functions; ℋ∞ loop-shaping; performance optimisation; robust control; robust stability margin; weight synthesis;

fLanguage

English

Publisher

ieee

Conference_Titel

Control Conference (ECC), 2007 European

Conference_Location

Kos

Print_ISBN

978-3-9524173-8-6

Type

conf

Filename

7068223