Online Switching Control Designs of LFT Systems

Author

Dong, Ke ; Wu, Fen

Author_Institution

Fac. of Mech. & Aerosp. Eng., North Carolina State Univ., Raleigh, NC

fYear

2006

fDate

13-15 Dec. 2006

Firstpage

4075

Lastpage

4080

Abstract

In this paper, we propose a switching control approach for linear fractional transformation (LFT) parameter dependent systems using multiple Lyapunov functions with online optimization techniques to improve performance and enhance control design flexibility. A gain-scheduled controller working for the next switching interval is designed at each switching time. A bumpless transfer compensator is also designed to minimize the jump of output caused by switching. The control synthesis conditions for both online switching controller and bumpless transfer compensator are formulated as linear matrix inequalities (LMI). Finally, the online switching control scheme is applied to an uninhabited combat aerospace vehicle (UCAV) problem

Keywords

Lyapunov methods; compensation; control system synthesis; linear matrix inequalities; linear systems; time-varying systems; Lyapunov functions; bumpless transfer compensator; control synthesis; gain-scheduled controller; linear fractional transformation; linear matrix inequalities; online optimization; online switching control designs; uninhabited combat aerospace vehicle; Closed loop systems; Control design; Control system synthesis; Control systems; Design optimization; Logic; Lyapunov method; Stability; Switched systems; Switches;

fLanguage

English

Publisher

ieee

Conference_Titel

Decision and Control, 2006 45th IEEE Conference on

Conference_Location

San Diego, CA

Print_ISBN

1-4244-0171-2

Type

conf

DOI

10.1109/CDC.2006.376986

Filename

4177660