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Mathematical Problems in EngineeringVolume 2013 2013, Article ID 691370, 9 pages

Research ArticleDepartment of Computer Science and Technology, State Key Laboratory of Intelligent Technology and Systems, Tsinghua University, Beijing 100084, China

Received 11 January 2013; Accepted 9 March 2013

Academic Editor: Yang Tang

Copyright © 2013 Hongbo Li et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper is concerned with the state feedback stabilization problem for a class of Takagi-Sugeno T-S fuzzy networked control systems NCSs with random time delays. A delay-dependent fuzzy networked controller is constructed, where the control parameters are ndependent on both sensor-to-controller delay and controller-to-actuator delay simultaneously. The resulting NCS is transformed into a discrete-time fuzzy switched system, and under this framework, the stability conditions of the closed-loop NCS are derived by defining a multiple delay-dependent Lyapunov function. Based on the derived stability conditions, the stabilizing fuzzy networked controller design method is also provided. Finally, simulation results are given to illustrate the effectiveness of the obtained results.

Autor: Hongbo Li, Fuchun Sun, and Zengqi Sun



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