Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6180
Title: A type-2 fuzzy expert system based on a hybrid inference method for steel industry
Authors: Zarandi, Mohammad Hossein Fazel
Gamasaee, R.
Türkşen, İsmail Burhan
Keywords: Interval type-2 fuzzy hybrid system
IT2F c-regression clustering
Gaussian mixture model
Fuzzy
Issue Date: 2014
Publisher: Springer London Ltd
Abstract: In this paper, a novel type-2 fuzzy expert system for prediction the amount of reagents in desulfurization process of a steel industry in Canada is developed. In this model, the new interval type-2 fuzzy c-regression clustering algorithm for structure identification phase of Takagi-Sugeno (T-S) systems is presented. Gaussian Mixture Model is used to generate partition matrix in clustering algorithm. Then, an interval type-2 hybrid fuzzy system, which is the combination of Mamdani and Sugeno method, is proposed. The new hybrid inference system uses fuzzy disjunctive normal forms and fuzzy conjunctive normal forms for aggregation of antecedents. A statistical test, which uses least square method, is implemented in order to select variables. In order to validate our method, we develop three system modeling techniques and compare the results with our proposed interval type-2 fuzzy hybrid expert system. These techniques are multiple regression, type-1 fuzzy expert system, and interval type-2 fuzzy TSK expert system. For tuning parameters of the system, adaptive-network-based fuzzy inference system is used. Finally, neural network is utilized in order to reduce error of the system. The results show that our proposed method has less error and high accuracy.
URI: https://doi.org/10.1007/s00170-013-5372-4
https://hdl.handle.net/20.500.11851/6180
ISSN: 0268-3768
1433-3015
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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