NDLI: Limit cycle analysis of uncertain fuzzy vehicle control systems

Content Provider	IEEE Xplore Digital Library
Author	Jau-Woei Perng Bing-Fei Wu Hung-I Chin Tsu-Tian Lee
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. & Control Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan (Jau-Woei Perng; Bing-Fei Wu; Hung-I Chin; Tsu-Tian Lee)
Abstract	In this paper, some useful frequency domain methods including describing function, parameter space and Kharitonov approach are applied to analyze the stability of a fuzzy vehicle control system for limit cycle prediction. A systematic procedure is proposed to solve this problem. In general, fuzzy control systems are nonlinear systems. The fuzzy controller can be linearized by the use of classical describing function firstly. By doing so, it is feasible to treat the stability problem of fuzzy control systems as linear one. In order to consider the robustness of the fuzzy vehicle control system, parameter space method and Kharitonov approach are then employed for plotting the stability boundaries. Furthermore, the effect of transport delay is also addressed. Much information of limit cycles can be obtained by this approach. Our work shows that the limit cycles caused by a fuzzy controller can be easily suppressed if the system parameters are chosen carefully.
Starting Page	626
Ending Page	631
File Size	874002
Page Count	6
File Format	PDF
ISBN	0780388127
DOI	10.1109/ICNSC.2005.1461263
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-03-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Limit-cycles Fuzzy control Fuzzy systems Control systems Space vehicles Robust stability Frequency domain analysis Stability analysis Nonlinear systems Robust control
Content Type	Text
Resource Type	Article

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