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Robust H fault-tolerant control for networked control system based on Takagi-Sugeno Fuzzy Model

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2 Author(s)
Wei Li ; Sch. of Electr. & Inf. Eng., Lanzhou Univ. of Technol., Lanzhou, China ; Dongnian Jiang

This paper investigates the problem of robust H fault-tolerant control for a class of uncertain nonlinear networked control system (NCSs) with external disturbance. A T-S fuzzy model is employed to represent the nonlinear controlled plant in the NCSs. Both networked-induced delay and packet dropout in transmission are addressed. By using Lyapunov-Krasovskii functional, introducing some slack matrices, the less conservative robust H integrity design for NCSs against failures of actuator and sensor is analyzed based on a delay-dependent approach, and the robust H fault-tolerant controller gain can be obtained via solving several linear matrix inequalities (LMIs). Finally, an example is used to illustrate the effectiveness and the feasibility of the proposed approach.

Published in:

Intelligent Computing and Intelligent Systems, 2009. ICIS 2009. IEEE International Conference on  (Volume:2 )

Date of Conference:

20-22 Nov. 2009