Dwell-time and monitoring schemes for peaking avoidance in high-gain observer based output-feedback control

Author

Oliveira, Tiago Roux ; Peixoto, Alessandro Jacoud ; Hsu, Liu

Author_Institution

Dept. of Electr. Eng., Fed. Univ. of Rio de Janeiro, Rio de Janeiro, Brazil

fYear

2009

fDate

15-18 Dec. 2009

Firstpage

7557

Lastpage

7562

Abstract

A peaking free tracking sliding mode controller based on high-gain observers and dwell-time control activation is introduced for a rather general class of uncertain strongly nonlinear systems. Global or semi-global practical exponential stability is proved using a novel lemma for output-feedback. Larger stability domains and significantly improved transient behavior are obtained. A new monitoring scheme is also given to deal with peaking induced by output disturbances.

Keywords

asymptotic stability; feedback; nonlinear control systems; observers; uncertain systems; variable structure systems; dwell-time scheme; exponential stability; high-gain observer; monitoring schemes; output feedback control; peaking avoidance; sliding mode controller; transient behavior; uncertain strongly nonlinear systems; Control systems; Estimation error; Monitoring; Nonlinear control systems; Nonlinear systems; Polynomials; Robustness; Sliding mode control; Stability; Uncertainty;

fLanguage

English

Publisher

ieee

Conference_Titel

Decision and Control, 2009 held jointly with the 2009 28th Chinese Control Conference. CDC/CCC 2009. Proceedings of the 48th IEEE Conference on

Conference_Location

Shanghai

ISSN

0191-2216

Print_ISBN

978-1-4244-3871-6

Electronic_ISBN

0191-2216

Type

conf

DOI

10.1109/CDC.2009.5400842

Filename

5400842