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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/50257


    Title: Optimization of wire electrical discharge machining of pure tungsten using neural network and response surface methodology
    Authors: Tzeng,CJ;Yang,YK;Hsieh,MH;Jeng,MC
    Contributors: 機械工程學系
    Keywords: MOLDING PROCESS PARAMETERS;GENETIC ALGORITHM;TAGUCHI METHOD;WEDM PROCESS;ROUGHNESS;EDM
    Date: 2011
    Issue Date: 2012-03-27 17:07:50 (UTC+8)
    Publisher: 國立中央大學
    Abstract: The present study analysed the dependence of the material removal rate and work-piece surface finish on process parameters during the manufacture of pure tungsten profiles by wire electrical discharge machining (WEDM). A hybrid method including a back-propagation neural network (BPNN), a genetic algorithm (GA), and response surface methodology (RSM) was proposed to determine optimal parameter settings of the WEDM process. Specimens were prepared under different WEDM processing conditions based on a Taguchi orthogonal array table. The results of 18 experimental runs were utilized to train the BPNN to predict the material removal rate and roughness average properties. Simultaneously, the RSM and GA approaches were individually applied to search for an optimal setting. In addition, analysis of variance was implemented to identify significant factors for the WEDM process parameters, and results from the BPNN with integrated GA were compared with those from the RSM approach. The results show that the RSM and BPNN/GA methods are both effective tools for the optimization of WEDM process parameters.
    Relation: PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE
    Appears in Collections:[機械工程學系] 期刊論文

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