Fault detection using adaptive observer for a class of nonlinear systems: An LMI approach

Author

Pourgholi, Mahdi ; Majd, Vahid Johari

Author_Institution

Fac. of Electr. Eng., Shahid Beheshti Univ., Tehran, Iran

fYear

2013

fDate

13-15 Dec. 2013

Firstpage

11

Lastpage

15

Abstract

This paper addresses a new technique for fault detection and estimation in Lipschitz nonlinear systems influenced by bounded disturbances. A robust adaptive nonlinear observer is designed for this purpose, the stability conditions of this robust adaptive observer based on Lyapunov technique are derived using linear matrix inequality approach. A numerical example is provided which the nonlinear terms depend on unmeasured state and simulation results are presented to show the effectiveness of proposed method.

Keywords

Lyapunov methods; adaptive control; control system synthesis; fault diagnosis; linear matrix inequalities; nonlinear systems; observers; robust control; LMI approach; Lipschitz nonlinear systems; Lyapunov technique; bounded disturbances; fault detection; fault estimation; linear matrix inequality approach; nonlinear systems; robust adaptive nonlinear observer; robust adaptive observer; stability conditions; Adaptive systems; Fault detection; Nonlinear systems; Observers; Parameter estimation; Robustness; Fault detection; Nonlinear systems; adaptive observer; linear matrix inequality; nonlinear observer; robust estimation;

fLanguage

English

Publisher

ieee

Conference_Titel

Control Communication and Computing (ICCC), 2013 International Conference on

Conference_Location

Thiruvananthapuram

Print_ISBN

978-1-4799-0573-7

Type

conf

DOI

10.1109/ICCC.2013.6731616

Filename

6731616