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Mathematical Problems in Engineering
Volume 2014, Article ID 539617, 12 pages
Research Article

Switching Fuzzy Guaranteed Cost Control for Nonlinear Networked Control Systems

1Key Laboratory of Industrial Internet of Things & Networked Control, Ministry of Education, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
2Research Center on Complex System Analysis and Control, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Received 17 August 2013; Accepted 21 November 2013; Published 9 February 2014

Academic Editor: Bo-Chao Zheng

Copyright © 2014 Linqin Cai 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 deals with the problem of guaranteed cost control for a class of nonlinear networked control systems (NCSs) with time-varying delay. A guaranteed cost controller design method is proposed to achieve the desired control performance based on the switched T-S fuzzy model. The switching mechanism is introduced to handle the uncertainties of NCSs. Based on Lyapunov functional approach, some sufficient conditions for the existence of state feedback robust guaranteed cost controller are presented. Simulation results show that the proposed method is effective to guarantee system’s global asymptotic stability and quality of service (QoS).