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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:WU Zhong-qiang,Li Zhuo.Robust non-fragile control for discrete-delay nonlinear large-scale systems[J].Journal of Harbin Institute Of Technology(New Series),2010,17(4):481-485.DOI:10.11916/j.issn.1005-9113.2010.04.008.
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Robust non-fragile control for discrete-delay nonlinear large-scale systems
Author NameAffiliation
WU Zhong-qiang College of Electrical Engineering,Yan Shan University,Qinhuangdao 066004,China 
Li Zhuo College of Electrical Engineering,Yan Shan University,Qinhuangdao 066004,China 
Abstract:
Time-delays,due to the information transmission between subsystems,naturally exist in large-scale systems and the existence of the delay is frequently a source of instability. This paper considers the problems of robust non-fragile fuzzy control for a class of uncertain discrete nonlinear large-scale systems with time-delay and controller gain perturbations described by T-S fuzzy model. An equivalent T-S fuzzy model is represented for discrete-delay nonlinear large-scale systems. A sufficient condition for the existence of such non-fragile controllers is further derived via the Lyapunov function and the linear matrix inequality( LMI) approach. Simulation results demonstrate the feasibility and the effectiveness of the proposed design and the proper stabilization of the system in spite of controller gain variations and uncertainties.
Key words:  non-fragile control  discrete-delay nonlinear large-scale systems  T-S fuzzy model  linear matrix inequality
DOI：10.11916/j.issn.1005-9113.2010.04.008
Clc Number:TP273
Fund:

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