Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/7060
Title: Mixed Fuzzy Functions
Authors: Türkşen, İsmail Burhan
Keywords: [No Keywords]
Issue Date: 2008
Publisher: IEEE
Source: Annual Meeting of the North-American-Fuzzy-Information-Processing-Society -- MAY 19-22, 2008 -- New York, NY
Abstract: Mixed-Fuzzy Functions are proposed as an alternate to Fuzzy Rule Base formation in the structure identification of system models and reasoning with them. These Mixed-Fuzzy Functions can be determined by any function identification method such as least squares' estimates, ILSE, maximum likelihood estimates, NME, support vector machines, SVM, etc. For this purpose, working knowledge of a fuzzy clustering algorithm such as FCM or its variations, such as Improved Fuzzy Clustering Method (IFCM), would be sufficient to obtain membership values of input vectors. The membership values together with scalar input variables are then used by the LSE technique to determine "Mixed Fuzzy Functions" for each cluster identified by FCM and/IFCM. These functions are different from "Fuzzy Rule Base" approaches as well as "Fuzzy Regression" approaches. In Mixed Fuzzy Functions, various transformations of the membership values are included as new variables in addition to original selected scalar input variables; and at times, a logistic transformation of non-scalar original selected input variables may also be included as a new variable.
URI: https://hdl.handle.net/20.500.11851/7060
ISBN: 978-1-4244-2351-4
Appears in Collections:Endüstri Mühendisliği Bölümü / Department of Industrial Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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