第三方物流成本论文中英文对照资料外文翻译文献.docx
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第三方物流成本论文中英文对照资料外文翻译文献
中英文对照资料外文翻译文献
TheapplicationofthirdpartylogisticstoimplementtheJust-In-Timesystemwithminimumcostunderaglobalenvironment
Abstract
TheintegrationoftheJust-In-Time(JIT)systemwithsupplychainmanagementhasbeenattractingmoreandmoreattentionrecently.WithintheprocessesoftheJITsystem,theupstreammanufacturerisrequiredtodeliverproductsusingsmallerdeliverylotsizes,atahigherdeliveryfrequency.Fortheupstreammanufacturerwhoadoptsseatransportationtodeliverproducts,acollaborativethirdpartylogistics(3PL)canactasaninterfacebetweentheupstreammanufacturerandthedownstreampartnersothattheproductscanbedeliveredgloballyatalowercosttomeettheJITneedsofthedownstreampartner.Inthisstudy,aquantitativeJITcostmodelassociatedwiththeapplicationofthirdpartylogisticsisdevelopedtoinvestigatetheoptimalproductionlotsizeanddeliverylotsizeattheminimumtotalcost.Finally,aTaiwaneseopticaldrivemanufacturerisusedasanillustrativecasestudytodemonstratethefeasibilityandrationalityofthemodel.
1.Introduction
Withtheglobalizationofbusinesses,theon-timedeliveryofproductsthroughthesupportofalogisticssystemhasbecomemoreandmoreimportant.Globalcorporationsmustconstantlyinvestigatetheirproductionsystems,distributionsystems,andlogisticsstrategiestoprovidethebestcustomerserviceatthelowestpossiblecost.
Goetschalckx,Vidal,andDogan(2002)statedthatlong-rangesurvivalforinternationalcorporationswillbeverydifficultwithoutahighlyoptimized,strategic,andtacticalgloballogisticsplan.Stadtler(2005)mentionsthattheactivitiesandprocessesshouldbecoordinatedalongasupplychaintocapturedecisionsinprocurement,transportation,productionanddistributionadequately,andmanyapplicationsofsupplychainmanagementcanbefoundintheliterature(e.g.HaandKrishnan,2008,LiandKuo,2008 and WangandSang,2005).
Recently,thestudyoftheJust-In-Time(JIT)systemunderaglobalenvironmenthasattractedmoreattentioninthePersonalComputer(PC)relatedindustriesbecauseofthetendencytowardsverticaldisintegration.TheJITsystemcanbeimplementedtoachievenumerousgoalssuchascostreduction,lead-timereduction,qualityassurance,andrespectforhumanity(Monden,2002).Owingtotheshortproductlifecycleofthepersonalcomputerindustry,downstreamcompaniesusuallyasktheirupstreamsupplierstoexecutetheJITsystem,sothatthebenefits,liketheriskreductionofpricelossincurredfrominventory,leadtimesreduction,on-timedelivery,deliveryreliability,qualityimprovement,andloweredcostcouldbeobtained(Shin,Collier,&Wilson,2000).AccordingtotheJITpolicy,themanufacturermustdelivertherightamountofcomponents,attherighttime,andtotherightplace(Kim&Kim,2002).ThedownstreamassemblerusuallyasksforhigherdeliveryfrequencyandsmallerdeliverylotsizessoastoreducehisinventorycostintheJITsystem(Kelle,khateeb,&Miller,2003).However,largevolumeproductsareconveyedusingseatransportation,usinglargerdeliverylotsizestoreducetransportationcostduringtransnationaltransportation.Inthesecircumstances,corporationsoftenchoosespecializedserviceproviderstooutsourcetheirlogisticsactivitiesforproductivityachievementand/orserviceenhancements(LaLonde&Maltz,1992).Thecollaborationofthirdpartylogistics(3PL)whichisgloballyconnectedtotheupstreammanufacturerandthedownstreamassemblerwillbeafeasiblealternativewhentheproductshavetobedeliveredtothedownstreamassemblerthroughtheJITsystem.Inthisstudy,theinteractionbetweenthemanufacturerandthe3PLwillbediscussedtofigureouttherelateddecisionssuchastheoptimalproductionlotsizeofthemanufacturerandthedeliverylotsizefromthemanufacturertothe3PL,basedonitscontributiontowardsobtainingtheminimumtotalcost.Inaddition,therelatedassumptionsandrestrictionsaredeliberatedaswellsothattheproposedmodelisimplementedsuccessfully.Finally,aTaiwanesePC-relatedcompanywhichpracticestheJITsystemunderaglobalenvironmentisusedtoillustratetheoptimalproductionlotsizeanddeliverylotsizeoftheproposedcostmodel.
2.Literaturereview
TheglobalizationofthenetworkeconomyhasresultedinawholenewperspectiveofthetraditionalJITsystemwiththefixedquantity-perioddeliverypolicy(Khan&Sarker,2002).Thefixedquantity-perioddeliverypolicywithsmallerquantitiesandshorterperiodsissuitabletobeexecutedamongthosecompaniesthatareclosetoeachother.However,itwouldbehardforthemanufacturertoimplementtheJITsystemunderaglobalenvironment,especiallywhenitsproductsareconveyedbytransnationalseatransportationglobally.Therefore,manycorporationsaretryingtooutsourcetheirgloballogisticsactivitiesstrategicallyinordertoobtainthenumerousbenefitssuchascostreductionandserviceimprovement.HertzandAlfredsson(2003)havestatedthatthe3PL,whichinvolvesafirmactingasamiddlemannottakingtitletotheproducts,buttowhomlogisticsactivitiesareoutsourced,hasbeenplayingaveryimportantroleintheglobaldistributionnetwork.WangandSang(2005)alsomentionthata3PLfirmisaprofessionallogisticscompanyprofitingbytakingchargeofapartorthetotallogisticsinthesupplychainofafocalenterprise.3PLalsoconnectsthesuppliers,manufacturers,andthedistributorsinsupplychainsandprovidesubstancemovementand
logisticsinformationflow.Thecorecompetitiveadvantageofa3PLfirmcomesfromitsabilitytointegrateservicestohelpitscustomersoptimizetheirlogisticsmanagementstrategies,buildupandoperatetheirlogisticssystems,andevenmanagetheirwholedistributionsystems(Wang&Sang,2005).
Zimmer(2001)statesthatproductiondependsdeeplyontheon-timedeliveryofcomponents,whichcandrasticallyreducebufferinventories,whenJITpurchasingisimplemented.WhenthemanufacturerhastocomplywiththeassemblerundertheJITsystem,theinventoriesofthemanufacturerwillbeincreasedtooffsetthereductionoftheassembler’sinventories(DavidandChaime,2003,KhanandSarker,2002 and SarkerandParija,1996).
TheEconomicOrderQuantity(EOQ)modeliswidelyusedtocalculatetheoptimallotsizetoreducethetotalcost,whichiscomposedoforderingcost,setupcost,andinventoryholdingcostforrawmaterialsandmanufacturedproducts(DavidandChaime,2003,Kelleetal.,2003,KhanandSarker,2002 and SarkerandParija,1996).However,someissuessuchastheintegrationofcollaborative3PLandtherestrictionsonthedeliverylotsizebyseatransportationarenotdiscussedfurtherintheirstudies.Fortheaboveinvolvedcosts,DavidandChaime(2003)furtherdiscussavendor–buyerrelationshiptoincludetwo-sidedtransportationcostsintheJITsystem.Koulamas,1995 and Otakeetal.,1999describethattheannualsetupcostisequaltotheindividualsetupcosttimesthetotalnumberofordersinayear.McCann,1996 and TyworthandZeng,1998bothstatethatthetransportationcostcanbeaffectedbyfreightrate,annualdemand,andtheproducts’weight.Comparedtotheabovestudieswhichassumethatthetransportationrateisconstantperunit,SwensethandGodfrey(2002)assumedthatthetransportationrateisconstantpershipment,whichwillresultineconomiesofscalefortransportation.Besides,McCann(1996)presentedthatthetotallogisticscostsarethesumoforderingcosts,holdingcosts,andtransportationcosts.ASyarif,Yun,andGen(2002)mentionthatthecostincurredfromadistributioncenterincludestransportationcostandoperationcost.Taniguchi,Noritake,Yamada,andIzumitani(1999)statesthatthecostsofpickup/deliveryandland-haultrucksshouldbeincludedinthecostofthedistributioncenteraswell.
ThenumerouscostsinvolvedwillbeformulatedindifferentwayswhenthemanufactureroperatestheJITsystemassociatedwithacollaborative3PLunderaglobalenvironment.KrengandWang(2005)presentedacostmodel,whichcanbeimplementedintheJITsystemunderaglobalenvironment,toinvestigatethemostappropriatemodeofproductdeliverystrategy.Theydiscussedtheadaptabilityofdifferenttransportationmeansfordifferentkindsofproducts.Inthisstudy,theimplementationofseatransportationfromthemanufacturertothe3PLproviderwillbeparticularized,andthecorrespondingcostmodelwillalsobepresentedtoobtaintheminimumtotalcost,theoptimalproductionlotsize,andtheoptimaldeliverylotsizefromthemanufacturertothe3PLprovider.Finally,aTaiwanesecompanyisusedforthecasestudytoillustrateandexplorethefeasibilityofthemodel.
3.TheformulationofaJITcostmodelassociatedwiththe3PL
BeforedevelopingtheJITcostmodel,thesymbolsandnotationsusedthroughoutthisstudyaredefinedbelow:
B3PL’spickupcostperunitproduct(amountperunit)
Cj3PL’scostofthejthtransportationcontainertype,wherej = 1,2,3,…,n(amountperyear)
DPannualdemandrateoftheproduct(unitsperyear)
Drannualdemandofrawmaterials(unitsperyear)
Dcustomers’demandataspecificinterval(unitspershipment)
Eannualinventoryholdingcostof3PL(amountperyear)
Ftransportationcostofthejthtransportationcontainertypefromthemanufacturertothe3PL,wherej = 1,2,3, … , n(amountperlot)
Ffreightratefromthe3PLprovidertotheassembler(amountperkilogram)
Hpinventoryholdingcostofaunitoftheproduct(amountperyear)
Hrinventoryholdingcostofrawmaterialsperunit(amountperyear)
Ij