Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/5505
Title: A genetic fuzzy system based on improved fuzzy functions
Authors: Çelikyılmaz, Aslı
Türkşen, İsmail Burhan
Keywords: Fuzzy clustering
Fuzzy functions
Genetic algorithms
Issue Date: 2009
Publisher: Academy Publisher
Abstract: Fuzzy inference systems based on fuzzy rule bases (FRBs) have been successfully used to model real problems. Some of the limitations exhibited by these traditional fuzzy inference systems are that there is an abundance of fuzzy operations and operators that an expert should identify. In this paper we present an alternate learning and reasoning schema, which use fuzzy functions instead of if...then rule base structures. The new fuzzy function approach optimized with genetic algorithms is proposed to replace the fuzzy operators and operations of FRBs and improve accuracy of the fuzzy models. The structure identification of the new approach is based on a supervised hybrid fuzzy clustering, entitled Improved Fuzzy Clustering (IFC) method, which yields improved membership values. The merit of the proposed fuzzy functions method is that the uncertain information on natural grouping of data samples, i.e., membership values, is utilized as additional predictors while structuring fuzzy functions and optimized with evolutionary methods. The comparative experiments using real manufacturing and financial datasets demonstrate that the proposed method is comparable or better in modeling systems of regression problem domains. © 2009 Academy Publisher.
URI: https://doi.org/10.4304/jcp.4.2.135-146
https://hdl.handle.net/20.500.11851/5505
ISSN: 1796-203X
Appears in Collections:Endüstri Mühendisliği Bölümü / Department of Industrial Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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