Fuzzy Rules Optimization in Fuzzy Expert System for Machinability Data Selection: Genetic Algorithms Approach

Machinability data selection is complex and cannot be easily formulated by any mathematical model to meet design specification. Fuzzy logic is a good approach to solve such problems. Fuzzy rules optimization is always a problems for a complex fuzzy rules from more than 10 thousand combinations. (Wo...

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Main Authors: Wong, Shaw Voon, Salem Hamouda, Abdel Magid
Format: Article
Language:English
English
Published: Universiti Putra Malaysia Press 2001
Online Access:http://psasir.upm.edu.my/id/eprint/3643/1/Fuzzy_Rules_Optimization_in_Fuzzy_Expert_System_for.pdf
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author Wong, Shaw Voon
Salem Hamouda, Abdel Magid
author_facet Wong, Shaw Voon
Salem Hamouda, Abdel Magid
author_sort Wong, Shaw Voon
collection UPM
description Machinability data selection is complex and cannot be easily formulated by any mathematical model to meet design specification. Fuzzy logic is a good approach to solve such problems. Fuzzy rules optimization is always a problems for a complex fuzzy rules from more than 10 thousand combinations. (Wong et aL 1997) developed fuzzy models for machinability data selection. There are more than 2 x 1029 possible sets of rules for each model. Situation would be more complicated if further increase the number of inputs and/or outputs. The fuzzy rules were selected by trial and error and intuition in reference (Wong et aL 1997). Genetic optimization is suggested in this paper to further optimizing the fuzzy rules optimization with genetic algorithms has been developed. Weighted centroid method is used for output defuzzi fication to save processing time. Comparisons between the results of the new models and the previously published literatures are made.
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spelling upm.eprints-36432013-05-27T07:10:05Z http://psasir.upm.edu.my/id/eprint/3643/ Fuzzy Rules Optimization in Fuzzy Expert System for Machinability Data Selection: Genetic Algorithms Approach Wong, Shaw Voon Salem Hamouda, Abdel Magid Machinability data selection is complex and cannot be easily formulated by any mathematical model to meet design specification. Fuzzy logic is a good approach to solve such problems. Fuzzy rules optimization is always a problems for a complex fuzzy rules from more than 10 thousand combinations. (Wong et aL 1997) developed fuzzy models for machinability data selection. There are more than 2 x 1029 possible sets of rules for each model. Situation would be more complicated if further increase the number of inputs and/or outputs. The fuzzy rules were selected by trial and error and intuition in reference (Wong et aL 1997). Genetic optimization is suggested in this paper to further optimizing the fuzzy rules optimization with genetic algorithms has been developed. Weighted centroid method is used for output defuzzi fication to save processing time. Comparisons between the results of the new models and the previously published literatures are made. Universiti Putra Malaysia Press 2001 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/3643/1/Fuzzy_Rules_Optimization_in_Fuzzy_Expert_System_for.pdf Wong, Shaw Voon and Salem Hamouda, Abdel Magid (2001) Fuzzy Rules Optimization in Fuzzy Expert System for Machinability Data Selection: Genetic Algorithms Approach. Pertanika Journal of Science & Technology, 9 (2). pp. 209-218. ISSN 0128-7680 English
spellingShingle Wong, Shaw Voon
Salem Hamouda, Abdel Magid
Fuzzy Rules Optimization in Fuzzy Expert System for Machinability Data Selection: Genetic Algorithms Approach
title Fuzzy Rules Optimization in Fuzzy Expert System for Machinability Data Selection: Genetic Algorithms Approach
title_full Fuzzy Rules Optimization in Fuzzy Expert System for Machinability Data Selection: Genetic Algorithms Approach
title_fullStr Fuzzy Rules Optimization in Fuzzy Expert System for Machinability Data Selection: Genetic Algorithms Approach
title_full_unstemmed Fuzzy Rules Optimization in Fuzzy Expert System for Machinability Data Selection: Genetic Algorithms Approach
title_short Fuzzy Rules Optimization in Fuzzy Expert System for Machinability Data Selection: Genetic Algorithms Approach
title_sort fuzzy rules optimization in fuzzy expert system for machinability data selection genetic algorithms approach
url http://psasir.upm.edu.my/id/eprint/3643/1/Fuzzy_Rules_Optimization_in_Fuzzy_Expert_System_for.pdf
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AT salemhamoudaabdelmagid fuzzyrulesoptimizationinfuzzyexpertsystemformachinabilitydataselectiongeneticalgorithmsapproach