Volume 4 Number 7 (Jul. 2009)
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JCP 2009 Vol.4(7): 576-584 ISSN: 1796-203X
doi: 10.4304/jcp.4.7.576-584

H Tracking Performance Design for Fuzzy-Model-Based Descriptor Systems Subject to Parameter Uncertainties

Wen-Shyong Yu
Department of Electrical Engineering, Tatung University, Taipei, Taiwan
Abstract—This paper presents the stability and H tracking performance design of a fuzzy-model-based descriptor system to attenuate the effects caused by unmodeled dynamics, disturbances, and approximation errors. First, the nonlinear descriptor system is represented by an equivalent Takagi-Sugeno type fuzzy model. Then, a fuzzy observer-based state feedback control scheme is developed to restrain the external disturbances such that the H tracking performance is achieved. Furthermore, based on Lyapunov stability theorem, the proposed fuzzy control system can guarantee the stability of the whole closed-loop system and obtain good tracking performance as well. Stability conditions are expressed in terms of linear matrix inequalities (LMIs). Finally, a numerical example of a nonlinear descriptor system control problem is given to show the validity and confirm the performance of the proposed scheme.

Index Terms—Descriptor systems, Takagi-Sugeno fuzzy model, state feedback control, H∞ tracking performance, linear matrix inequalities (LMIs).

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Cite: Wen-Shyong Yu "H Tracking Performance Design for Fuzzy-Model-Based Descriptor Systems Subject to Parameter Uncertainties," Journal of Computers vol. 4, no. 7, pp. 576-584, 2009.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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