Fuzzy C-means Rule Generation for Fuzzy Entry Temperature Prediction in a Hot Strip Mill

查看全文 作　　者：Jose Angel [1]BARRIOS;Cesar [2]VILLANUEVA;Alberto [1]CAVAZOS;Rafael [1]COLAS

机构地区：[1]Mechanical and Electrical Engineering Faculty,Autonomous University of Nuevo Leon,San Nicolas de los Garza 66451,Nuevo Leon,Mexico;[2]Hot Rolling Department,Ternium Churubusco,Monterrey 64000,Nuevo Leon,Mexico

出　　处：《Journal of Iron and Steel Research(International)》索引2016年第23卷第2期,共8页

基　　金：partially supported by PROMEP and CONACYT 摘　　要：Variable estimation for finishing mill set-up in hot rolling is greatly affected by measurement uncertainties,variations in the incoming bar conditions and product changes.The fuzzy C-means algorithm was evaluated for rulebase generation for fuzzy and fuzzy grey-box temperature estimation.Experimental data were collected from a reallife mill and three different sets were randomly drawn.The first set was used for rule-generation,the second set was used for training those systems with learning capabilities,while the third one was used for validation.The performance of the developed systems was evaluated by five performance measures applied over the prediction error with the validation set and was compared with that of the empirical rule-base fuzzy systems and the physical model used in plant.The results show that the fuzzy C-means generated rule-bases improve temperature estimation;however,the best results are obtained when fuzzy C-means algorithm,grey-box modeling and learning functions are combined.Application of fuzzy C-means rule generation brings improvement on performance of up to 72%. 关键词：gray-box modeling ANFIS hot rolling temperature estimation fuzzy C-means rule-base generation

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Fuzzy C-means Rule Generation for Fuzzy Entry Temperature Prediction in a Hot Strip Mill

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