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• # Artykuł - szczegóły

## International Journal of Applied Mathematics and Computer Science

2011 | 21 | 4 | 617-627

## Observer-based fault-tolerant control against sensor failures for fuzzy systems with time delays

EN

### Abstrakty

EN
This paper addresses the problems of robust fault estimation and fault-tolerant control for Takagi-Sugeno (T-S) fuzzy systems with time delays and unknown sensor faults. A fuzzy augmented state and fault observer is designed to achieve the system state and sensor fault estimates simultaneously. Furthermore, based on the information of on-line fault estimates, an observer-based dynamic output feedback fault-tolerant controller is developed to compensate for the effect of faults by stabilizing the resulting closed-loop system. Sufficient conditions for the existence of both a state observer and a fault-tolerant controller are given in terms of linear matrix inequalities. A simulation example is given to illustrate the effectiveness of the proposed approach.

EN

617-627

wydano
2011
otrzymano
2010-11-13
poprawiono
2011-04-10

### Twórcy

autor
• Department of Mathematics, Liaoning University of Technology, 169 Shiying Street, Guta District, Jinzhou, 121001, PR China
autor
• Department of Mathematics, Liaoning University of Technology, 169 Shiying Street, Guta District, Jinzhou, 121001, PR China
autor
• Department of Mathematics, Liaoning University of Technology, 169 Shiying Street, Guta District, Jinzhou, 121001, PR China

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