computer supported design of flexible kanban system for a multi-stage multi-product manufac

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1、ComputerSupportedDesignofFlexibleKanbanSystemForAmulti-stageMulti-productManufacturingLines1M.Al-Tahat*,A.Liverani*,F.Persiani**DIEM-UniversityofBologna,V.leRisorgimento2,Bologna40136,Italy.Tel:+39(051)2093452,Fax:+39(051)2093412AbstractAmulti-stagemult

2、i-productKanbanbasedproductionlinewithvariabledemandisconsidered.Theproblemis,tostudyandanalyzetheprocessofdesignaneffectiveFlexibleKanbanpullSystemFKS,andtodesignanddevelopamethodforthepurposeofdeterminingtheoptimumKanbannumbersandtheoptimumKanbansizes

3、ofeachmanufacturingstageforanyselectedproductsamongtheproductmix,andtodynamicallyadjusttheKanbannumbersandsizes,tomatchthecurrentoperationconditionsofaproductionline.AnewlyFKScomputerprogramispresented,itisdevelopedforMicrosoftofficeaccessdatabaseandVis

4、ualBasicforApplicationVBAplatforms.Thesystemconsistsofthreemainphases,theseare;productionlinedatabase(KnowledgeRepresentationPhase);mathematicalmodelingoftheproductionline;andthecodesofthedevelopedcomputerprogram(InferenceEngine).Thesephasesarelinkedtog

5、ethertointegratetheflowofproductionwithitssupply–chainproductmanagement.Anumericalsimulationexamplearecarriedoutwhichallowstudyingthefeasibilityofapplyingthesystem,anditsinfluenceinsynchronizingproductiontoactualdemandanddecreasingproductioncost.Further

6、morethesensitivityoftheFKSinresponsetothedifferentproductionvariableshavebeenstudiedandpresented.Ithasbeensuccessfullyconcludedthatthesystemisrealizableandabletocreateasoundresultsforanyreceivedorder.Keywords:KanbanSystem;DesignofManufacturingSystem;Sys

7、temsDesign;OperationsPlanningandControl.1.IntroductionTheJITbasicideafirstintroducedon50’sandthesystembeenpopularizedbyTaiichiOhnowhowastryingtodeterminehowthestructureofthesupermarketcouldbeappliedtoamanufacturingenvironment.In1953,TaiichiOhnoappliedth

8、eprinciplesofjust-in-timeandKanbansignalstoToyota’smachiningfactory.TheseprinciplesweresosuccessfulthattheywereappliedtootherfactoriesandtheToyotaKanbansystemevolved.Kanbanstandsforkan-“card”,ban-“signal”.AKanbanisasignalcardcont