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LogisticsSci-Tech2009.2:2008-10-13:(2007BB0207):(1973-),,,,,,:、。LogisticsSci-TechNo.2,200920092··:。、、9,BP。,。:BP;;:F272:A:1002-3100(2009)02-0047-03Abstract:Centerlocationselectionisoneofkeyissuesofresearchonreverselogistics.Accordingtotheevaluationstandardoflogisticsenvironment,productioncapacityandeconomicefficiency,adecisionmodeloncenterlocationselectionofreverselogisticsisestablishedwhichisbasedonBPneuralnetworks.Asacasestudy,theresultsshowthemodelhashighprecisionandefficiencyandissuitablefordecisioncenterlocationselectionofreverselogistics.Keywords:BPneuralnetwork;reverselogistics;locationselection0,、。。、、。、,,。。,,,、。20,。。KishoreK.PochampallySurendraM.Gupta[1]、。,[2]。BP,。BP;;BP;。1BPBP[3]1985D.Rumelhart,,。BP,,XOR()。BP、,,。BP,,Sigmoid。BP。,,,,,,,()。,,,,,。BP,BP,,。BP:(1),amm,a0a。a0=pam+1=fm+1wm+1am+bm+1!,m=0,1,…M-1BPResearchonBP-basedModelofCenterLocationSelectioninReverseLogistics(,400067)ZHANChuan(ChongqingTechnologyandBusinessUniversity,Chongqing400067,China)47LogisticsSci-Tech2009.2X1(/)1221089480655137X2()112978369554127X3X4(/)300251202153104556X5(/)108.376.745.103.471.840.20X6X7()0.540.841.131.421.712.012.30X8()945145419642473298234914000X9()456789101BPa=aM(2),,t,a。SM=-2F&MnM