交通限制条件下城市物流配送路线优化选择

28320046()JournalofWuhanUniversityofTechnology(TransportationScience&Engineering)Vol.28No.3June2004(100081):,,,,,.,,,,Dijkstra,.:;;Dijkstra:F506,,.,.King,6%12%[1,2].,,,.:,,;,,.,,.1,.,.,,,.,G=(V,E,W).:V,;E,;W,.,,.,,,..,,,,,.,.,,:20040227:,28,,©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,.,,,,.[3],,,,.,?.,,,.,,.,,[3],,.,.,,.,,,,,,.,,.(),,F1,F2F3.F1,;F2;F3,.(1),(2).Fi1=YLi(1+Hi)(1)Fi2=(CH+CT)Tvi(1+Kij)=(CH+CT)(Liövli)(1+Hi)(1+Kij)(2):Fi1i;Fi2i;Fi3i;Y;LiiEuclid;Hii;CH;CT;Tvii;vlii;Kijij.,Hi,[4],21%,24%42%.Kij,,Vvi,Kij0.,,,iwi=AiFi1+(1-Ai)Fi2+Fi3(3):Aii;(1-Ai)i.,:(1).,,,,(2)Kij;(2)..2,,,1e3e5,e3e5.e5e8()e5e6(),e5e8e5e6,..11293()200428©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.N=(V,E,B,D).:V={V1,V2,,Vn};E={e1,e2,,em},EekVVi,Vj,ek=ViVj,k=1,2,,m,ViVjek,ei=Vi1Vi2,ej=Vj1Vj2,E,eiej,Vi2=Vj1,ejei;B,B={b1,b2,,bl},BbrV3Vi,Vj,Vk,br=ViVjVk,ViVj,VjVkE,ViViVjVj,VjVkVk;D,D=(dij)nn,dij0,dij=ViVjViVjEViVj|E0i=j3,Dijkstra.Dijkstra1959,.,,,,[5].[6]PASCALDijkstra.2N=(V,E,B,D),N=(V,E,D),N=(V,E,B,D)EN=(V,E,D),V=E.ED=(dij)mm:ei=Vi1Vi2V,ej=Vj1Vj2V,ejei,Vi2=Vj1,Vi1Vi2Vj2|B,eiejE,dij=di1,i2,eiej|E,dij=,i,j,,m.N=(V,E,D)N=(V,E,B,D).N=(V,E,B,D),Vs,Vts-t():step1N=(V,E,B,D),V0,Vn+1,VsV0,VtVn+1,d0j=0j=sdi,n+1=0j=tNd.step2NdNnewstep3NnewDijkstraVsV0VtVn+1.NnewVsV0VtVn+1(Nnew,N=(V,E,B,D)),VsV0VtVn+1,N=(V,E,B,D)VsVt()[7].4,,,,,.,(2).2,2N=(V,E,B,D)(3),eiwi=(i=1,2,,12)(3),3,V1V8..step13V0V9,e0e13.step2,3,4.step34,e0,e13,Dijkstrae0e2e4e8e11e13,3,3933:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.343V0V1V3V5V7V8V9,V0V9,VV1V3V5V7V8,.[3][6],,,.5,,,,,,,,,,,.1KingGF.Driverperformanceinhighwaytasks.TransportationResearchRecord,1986,1093:1112,,..(),2003,27(5):7057073,,..,2002,(8):82844..,2000(7):585..,1998(4):1571596,..,2002(3):86897..:,2001.12Routing2optimizationofCityLogisticsDistributionUnderTrafficRestrictConditionsZhuYongshengHanBotangXiaPingLiZhenjian(SchoolofManagementandEconomics,BeijingInstituteofTechnology,Beijing100081)AbstractTherouting2optimizationproblemoflogisticsdistributionnetworkisthefocusconcernedbydis2tributioncenterallthetime.Generally,trafficjamorroutecrowdimpactdistributioninlongdistancecanbeignored,buttheeffectcannotbeignoredincitydistribution,becausetheactualdistributionprocessisfrequentlyimpactedbytrafficjam,trafficcrowdandmanytrafficcontrols,theproblemofseekingoptimalrouteismorecomplexity.Thepaperdescribestherealdistributingnetworkthatwasrestrictedbylimitinfo,suchasdynamictrafficjamandtrafficcrowd,andstaticforbid2pass,andputsforwardthemethodofseekingoptimalsolutionundertheselimitconditions,andestablishesthemodeltomakethedistributionnetworkweight,andbringsforwardtotransformthelimitnetworkintotheunlimitedorientationnetwork,andthenfindstheoptimalroutebyusingDijkstraalgorithm,andgivesanexampletoprovethearithmetic.Keywords:logisticsdistribution;costcoefficient;Dijkstraarithmetic493()200428©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.