On simplifying the automatic design of a fuzzy logic controller

Cheong, F and Lai, R 2002, 'On simplifying the automatic design of a fuzzy logic controller', in 2002 Annual Meeting of The North American Fuzzy Information Processing Society Proceedings, New Orleans, USA, 27-29 June 2002.


Document type: Conference Paper
Collection: Conference Papers

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Title On simplifying the automatic design of a fuzzy logic controller
Author(s) Cheong, F
Lai, R
Year 2002
Conference name NAFIPS-FLINT 2002 International Conference
Conference location New Orleans, USA
Conference dates 27-29 June 2002
Proceedings title 2002 Annual Meeting of The North American Fuzzy Information Processing Society Proceedings
Publisher IEEE
Place of publication Piscataway, NJ
Abstract With the availability of a wide range of evolutionary algorithms such as genetic algorithms, evolutionary programming, evolution strategies and differential evolution, every conceivable aspect of the design of a fuzzy logic controller has been optimized and automated. Although there is no doubt that these automated techniques can produce an optimal fuzzy logic controller, the structure of such a controller is often obscure and in many cases these optimizations are simply not needed. We believe that the automatic design of a fuzzy logic controller can be simplified by using a generic rule base such as the Mac Vicar-Whelan rule base and using an evolutionary algorithm to optimize only the membership functions of the fuzzy sets. Furthermore, by restricting the overlapping of fuzzy sets, using triangular membership functions and singletons, and reducing the number of parameters to represent the membership functions, the design can be further simplified. This paper describes this method of simplifying the design and some experiments performed to ascertain its validity.
Subjects Technology
Communications Technologies not elsewhere classified
Keyword(s) evolutionary algorithms
evolutionary programming
fuzzy logic controller
fuzzy systems
DOI - identifier 10.1109/NAFIPS.2002.1018107
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