JIT看板系统的文献回顾外文翻译.docx
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JIT看板系统的文献回顾外文翻译.docx
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JIT看板系统的文献回顾外文翻译
外文文献翻译译文
一、外文原文
原文:
LiteraturereviewofJIT-KANBANsystem
AbstractInthispaper,JIT(Just-In-Time)-KANBANliteraturesurveywascarriedoutandpresented.TheintroductorysectiondealswiththephilosophyofJIT,andtheconceptinvolvedinthepushandpullsystem.Theblockingmechanismsinthekanbansystemarealsodiscussedelaborately.Besidesthesesections,theimportanceofmeasureofperformance(MOP)andtheapplicationofthesamewithrespecttoJIT-KANBANarepresented.TherecenttrendsintheJIT-KANBANarediscussedundertheheading“Specialcases”.Inthisreview,100state-of-artresearchpapershavebeensurveyed.Thedirectionsforthefutureworksarealsopresented.
1Introduction
Just-In-Time(JIT)manufacturingsystemwasdevelopedbyTaiichiOhnowhichiscalledJapanese“Toyotaproductionsystem”JITmanufacturingsystemhastheprimarygoalofcontinuouslyreducingandultimatelyeliminatingallformsofwastes(Brownetal.[5],Ohno[54],Sugimorietal.[82]).Basedonthisprinciple,Japanesecompaniesareoperatingwithverylowlevelofinventoryandrealizingexceptionallyhighlevelofqualityandproductivity(RichardJ.Tersine[62],JamesH.Greene[30]).JITemphasizes“zeroconcept”whichmeansachievementofthegoalsofzerodefects,zeroqueues,zeroinventories,zerobreakdownandsoon.Itensuresthesupplyofrightpartsinrightquantityintherightplaceandattherighttime.Hence,theoldsystemofmaterialacquisitionand,buyerandsellerrelationshipsarechangedtonewrevolutionaryconcepts(Womacketal.[91],WomackandJones[92],Markeyetal.[45]).Similarly,JITbecomesaninevitablesystematplantlevel,whichintegratesthecellularmanufacturing,flexiblemanufacturing,computerintegratedmanufacturingandRobotics(Schonberger[63],Golhar[12]).
Duetothetechnologicaladvancement,theconventionalmethodofpushproductionsystemlinkedwithMaterialRequirementPlanning(MRP)waschangedtopulltypeJITproductionsystemtomeetouttheglobalcompetition,wherethework-in-process(WIP)canbemanagedandcontrolledmoreaccuratelythanthepush-productionsystem(MasonPaul[46]).
KANBANsystemisanewphilosophy,whichplaysasignificantroleintheJITproductionsystem.Kanbanisbasicallyaplasticcardcontainingalltheinformationrequiredforproductionassemblyofaproductateachstageanddetailsofitspathofcompletion.Thekanbansystemisamultistageproductionschedulingandinventorycontrolystem.Thesecardsareusedtocontrolproductionflowsandinventory.Thissystemfacilitateshighproductionvolumeandhighcapacityutilizationwithreducedproductiontimeandwork-in-process.
Theobjectivesofthispaperareaslistedbelow
1)CriticalreviewofJITliterature.
2)SegregatingthedifferentresearcharticlesofJIT.
3)ExploringtherecenttrendsinJIT-Kanbansystemandderivingdirectionsforfutureresearch.
Inthispaper,thearticlesarereviewedandanappropriateclassificationispresented.Thekanbanstudywasmadeelaborately,sinceitactsasabasiccommunicatorandfeedbackagenttotheJITsystem.Pushandpullsystem,principleofoperationofkanbancards,Blockingmechanism,Toyota’sformula,andthemeasuresofperformances(MOP)arealsodiscussedinthispaper.ThelatesttrendsinJIT-Kanbansystemarealsoaddressedseparatelyundertheheading“Specialcases”.Finally,thedirectionsforfutureresearchesarepresented.
6.1.1Flowshop
Kanbansystemiswidelyimplementedinrepetitivemanufacturingenvironment.Forasinglecardoperationalsystem,Sharadhapriyadarishinietal.[77]havedevelopedtwoheuristicsandprovedthatthesearemoreefficient.Saradhapriyadarishinietal.[78]haveproposedarecursiveequationforschedulingthesinglecardkanbansystemwithdualblocking.Theyproposedaheuristicwithtwinobjectivesofminimizingthesumoftotalweightedtimeofcontainersandweightedflowtimeofpart-types.Rajendran[61]hasdoneaworkontwocardflowshopschedulingwithnpart-types.Inthispaper,mathematicalmodelsfortimetablingofcontainersfordifferentproblemshavebeenformulated.Then,aheuristicwasdevelopedtominimizethesumofweightedflowtime,weightedearliness,andweightedtardinessofcontainers.Hemamalinietal.[22]havedonesimilarwork.Inthiswork,theheuristicdevelopedissimulatedannealingalgorithm.Thisiscomparedwithrandomsearchmethod.Inthesepapers,thecomparisonsaredoneonlybasedonmeanrelativepercentageincrease.Insteadofthisapproach,comparisonsbasedoncompleteANOVAexperimentswouldprovidereliableinference.
PeterBruckeretal.[58]havecarriedoutresearchonflowshopproblemwithabufferoflimitedcapacitybetweentwoadjacentmachines.Afterfinishingtheprocessingofajobonamachine,eitherthejobistobeprocessedonthefollowingmachineoritistobestoredinthebufferbetweenthesemachines.Ifthebufferiscompletelyoccupied,thejobhastowaitonitscurrentmachinebutblocksthismachineforotherjobs.Inthispaper,theydeterminedafeasiblescheduletominimizethemakespanusingtabusearch.Theresultsoftheproblemusingtabusearchwerecomparedwiththatofbenchmarkinstances.Thecomparisonsaredoneonlybasedonrelativeimprovements.Insteadofthisapproach,comparisonsbasedoncompleteANOVAexperimentswouldprovidereliableinference.
6.1.2Assemblyline
Assemblylinesaresimilartotheflowshopsinwhichassemblyofpartsarecarriedoutinalinesequence.Inamultiproductassemblyline,thesequencingofthejobsisachallengingtask.Drexletal.[16]consideredanassemblylinesequencingmixedmodelproblem.Itisacombinatorialproblem.Theyformulatedthiscombinationalproblemasintegerprogrammingmodel.Thismodelcanbeusedonlyforsmallsizeproblemsduetothelimitationsofoperationsresearchsoftwarewithrespecttohandlingthenumberofvariablesandconstraints,whicharepresentintheintegerprogrammingmodel.Xiaoboetal.[94]haveconsideredsimilarworkonmixedmodelassemblylinesequencingproblemwithconveyorstoppages.Theyproposedbranchandboundalgorithm,andsimulatedannealingalgorithmforfindingtheoptimalsolutionandsub-optimalsolutionofthemixed-modelsequencingproblem,respectivelytominimizethetotalconveyorstoppagetime.Thebranchand-boundmethodwasdevotedtofindtheoptimalsolutionofsmall-sizedproblems,whereasthesimulatedannealingmethodwasusedtocopewithlarge-scaleproblemstoobtainagoodsub-optimalsolution.Future,researchonsimulatedannealingappliedtothisproblemcanbedirectedtoestablishabetterseedgenerationalgorithm.However,thepractitionershouldspendconsiderabletimeinfixingtheparametercalledtemperature(T)inthesimulatedannealingalgorithmbytrailanderrormethodbeforeactuallysolvingtheproblem.
6.1.3Batchproductionsystem
Inabatchproductionsystem,theswitchingoverfromoneproducttootherproductdependsonmanyfactorssuchasstockreachingtothethresholdlevel,differentpriorityschemes,economicalsetups,etc.TafurAltioketal.[86]havedealtthisissuedifferentlyforthepulltypemanufacturingsystemwithmultiproducttypes.Inthispaper,theydevelopedaniterativeproceduretoapproximatelycomputetheaverageinventorylevelofeachproductasfinishedgoodsusingdifferentpriorityschemes.Inthispaper,thedemandarrivalprocessisassumedtobeapoissondistributionandprocessingtimesandtheset-uptimesarearbitrarilydistributed.But,inpractice,theprocessingtimesmayfollowotherdistributions,viz.,normal,uniform,exponential,etc.whicharenotexperimentedinthispaper.Khanetal.[35]addressedtheproblemofmanufacturingsystemthatprocuresrawmaterialsfromvendorsinlotandconvertthemintofinishedproducts.TheyestimatedproductionbatchsizesforJITdeliverysystemanddesignedaJITrawmaterialsupplysystem.Asimplealgorithmwasdevelopedtocomputethebatchsizesforbothmanufacturingandrawmaterialpurchasingpolicies.
7JITintegration,implementationandbenefits
Just-in-timeisamanufacturingphilosophybywhichanorganizationseekscontinuousimprovements.Forensuringcontinuousimprovements,itisnecessaryforanyorganizationtoimplementandintegratetheJITandJITrelatedareas.Ifitispracticedinitstruesense,themanufacturingperformanceandthefinancialperformanceofthesystemwilldefinitelyimprove.
Swansonetal.[83]havereiteratedthatproperplanningisessentialforimplementationofaJITmanufacturingsystemandacommitmentfromtopmanagementisaprerequisite.CostbenefitanalysisistobestudiedinitiallywiththeknowledgeofkeyitemssuchasthecostofconversiontoaJITsystemandtimeperiodofconversion.Cooketal.[11],intheircasestudyforapplyingJITinthecontinuousprocessindustry,showimprovementsindemandforecastanddecreaseinlead-timevariability.
TherelationshipbetweenimplementationofTQM,TPMandJITwillleadtoimprovementinthemanufacturingperformance(Kribtyetal.[37]).FurtherHuang[23]discussestheimportanceofconsideringtheintegrationofTPM,JIT,QualitycontrolandFA(FactoryAutomization).Imai[27]believesthatTQMandTPMarethetwopillarssupportingtheJITproductionsystem.KakuroAmasaka[32]proposesanewJITmanagementsystem,whichhelpstotransferthemanagementtechnologyintomanagementstrategy.
Fullertonetal.[65]haveconductedastudyin253firmsinUSAtoevaluateempiricallywhetherthedegreewithwhichafirmimplementstheJITpracticesaffectsthefirmsfinancialperformance.Fromtheirstudy,JITmanufacturingsystemwillreapsustainablerewardsasmeasuredby
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