Fault tolerant tracking controller design for T-S fuzzy disturbed systems with uncertainties subject to actuator faults

The investigated fault tolerant control (FTC) problem for uncertain nonlinear systems with external disturbances against actuator faults is addressed. The aim is to synthesize a fault tolerant controller ensuring trajectory tracking for a class of nonlinear systems represented by Takagi-Sugeno (T-S)...

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Bibliographic Details
Published inETFA2011 pp. 1 - 8
Main Authors Aouaouda, S., Tarek, K. M., Bouarar, T., Ichalal, D., Chadli, M.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2011
Subjects
Actuators
Adaptation models
Fault tolerance
Fault tolerant systems
Linear matrix inequalities
Observers
Trajectory
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Summary:The investigated fault tolerant control (FTC) problem for uncertain nonlinear systems with external disturbances against actuator faults is addressed. The aim is to synthesize a fault tolerant controller ensuring trajectory tracking for a class of nonlinear systems represented by Takagi-Sugeno (T-S) models with measurable premise variables. In order to design the FTC law a proportional integral observer (PIO) is adopted which estimate both of the faults and the faulty system states. Based on Lyapunov theory, and L 2 optimization, the trajectory tracking performance and the stability of the closed loop system are analyzed. Sufficient conditions are obtained in terms of linear matrix inequalities (LMI). Simulation results show the effectiveness of the proposed method.
ISBN:1457700174
9781457700170
ISSN:1946-0740
DOI:10.1109/ETFA.2011.6059077