物流管理英文含翻译Word下载.docx
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物流管理英文含翻译Word下载.docx
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N.Prindezis,C.T.Kiranoudis
SchoolofChemicalEngineering,NationalTechnicalUniversity,15780Athens,Greece
Received13September2003;
receivedinrevisedform20December2003;
accepted27January2004
Availableonline10December2004
Abstract
ThispaperpresentsanInternet-BasedLogisticsManagementSystemtocoordinateanddisseminatetasksandrelatedinformationforsolvingtheheterogeneousvehicleroutingproblemusingappropriatemetaheuristictechniques,foruseinenterprisechainnetworks.ItsarchitectureinvolvesaJAVAWebappletequippedwithinteractivemunicationcapabilitiesbetweenperipheralsoftwaretools.ThesystemwasdevelopedindistributedsoftwarefashiontechnologyforallputerplatformsutilizingaWebbrowser,focusingonthedetailedroadnetworkofAthensandtheneedsoftheAthensCentralFoodMarketenterprises.2004ElsevierLtd.Allrightsreserved.
Keywords:
Decisionsupportsystem;
e-Logistics;
Transportation;
Vehicleroutingproblem
1.Introduction
Enterprisechainsarethebusinessmodelofthepresentandfutureregardingmarketsthatinvolvesmallandmediumpanysizes.Clearly,groupingactivitiestowardsafocusedtargetfacilitatesanunderstandablyimprovedmarketpenetrationguaranteedbyasuccessfultrademarkofaleadingpanyinthefield.Severalcollaborationmodelsthatbasicallyincludefranchisingareintroducedasapartofthisintegratedprocess.Whensuchanetworkisintroducedinordertoexploitamercialideaorbusinessinitiativeandsubsequentlyexpandedasmarketpenetrationgrows,severalmanagementissuesariseregardingtheoperationsoftheentirenetwork.SuchanetworkistheidealplacefororganizingandevaluatinginamorecentralizedwayseveralordinaryoperationsregardingsupplychainandlogisticsInfact,toolsdevelopedfororganizingmanagementprocessesandoperationalneedsofeachindividualpany,canbedevelopedinamorecentralizedfashionandtheservicesprovidedbythetoolcanbeofferedtoeachnetworkmembertofacilitatetransactionsandtackleoperationssimilarly.Web-basedapplicationsareanidealstartingplacefordevelopingsuchapplications.Typicallysuchsystemsserveasacentraldepotfordistributingmonservicesinthefieldoflogistics.Themercialapplicationisstoredinacentralserverandservicesareprovidedforeachmemberofthegroup.Aprototypeofsuchaserverisdescribedinapreviouswork(Prindezis,Kiranoudis,&
Marinos-Kouris,2003).ThispaperpresentsthepletedinternetsystemthatisinstalledinthecentralwebserveroftheAthensCentralFoodMarketthatdealswiththeintegratedproblemofdistributionfor690paniesthatpriseauniquelogisticsandretailchainofenterprises.Theneedsofeachpanyareunderlinedandthealgorithmsdevelopedaredescribedwithintheunifiedinternetenvironment.Theproblemsolvedandservicesprovidedforeachpanyistheoneinvolvingdistributionofgoodsthroughaheterogeneousfleetoftrucks.Newinsightsofthemetaheuristicsemployedareprovided.Acharacteristiccasestudyispresentedtoillustratetheeffectivenessoftheproposedapproachforareal-worldproblemofdistributionthroughthedetailedroadnetworkofAthens.
2.Distributionthroughheterogeneousvehiclefleets
Thefleetmanagementproblempresentedinthispaperrequirestheuseofaheterogeneousfleetofvehiclesthatdistributegoodsthroughanetworkofclients
(Tarantilis,Kiranoudis,&
Vassiliadis,2003,2004).Therefore,thesystemwasdesignedinordertoautomaticallygeneratevehicleroutes(whichvehiclesshouldde-
livertowhichcustomersandinwhichorder),usingrational,quantitative,spatialandnon-spatialinformationandminimizingsimultaneouslythevehiclecostandthetotaldistancetravelledbythevehicles,subjecttothefollowingconstraints:
●eachvehiclehasapredeterminedloadcapacity,typicallydifferentfromallothervehiclesprisingthefleet(heterogeneousnature),
●thecapacityofavehiclecannotbeexceeded,
●asinglevehiclesupplieseachcustomersdemand,
●thenumberofvehiclesusedispredetermined.
TheproblemhasanobviousmercialvalueandhasdrawntheattentionofORmunity.Itsgreatsuccesscanbeattributedtothefactthatitisaveryinterestingproblembothfromthepracticalandtheoreticalpointsofview.Regardingthepracticalpointofview,thedistributionprobleminvolveddefinitelyplaysacentralroleintheefficiencyoftheoperationalplanninglevelofdistributionmanagement,producingeconomicalroutesthatcontributetothereductionofdistributioncosts,offeringsimultaneouslysignificantsavingsinallrelatedexpenses(capital,fuelcosts,driversalaries).ItsImportanceinthepracticallevel,motivatedintensetheoreticalworkandthedevelopmentofefficientalgorithms.
FortheproblembyacademicresearchersandprofessionalsocietiesinOR/MS,resultinginanumberofpapersconcerningthe
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