基于供应链的库存管理及库存绩效标准的研究

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1、/分494881提要旦旦里旦旦巴口典巴照旦口巴旦旦里提要本文主要研究汽车零部件企业所在的整个供应链环境下的物流一体化管理。木文深入地论述了物流系统理论。通过对物流网络静态点库存的控制，实现对静态点与动态链的物流各功能的有效控制。并建立了汽车零部件企业基于供应链的多级库存控制模型。火传统的库存成本优化虽然是库存优化必须考虑的参数，但时间优化也应作为库存优化的主要目#lt}*文系统地研究了基于时间的库存绩效标准。给出了(r,s)库存系统中，订单等待时间的概率分布的解析过程.分析了影响订单等待时间的因素。本文研究了汽车零部件企业如何进行物流一体

2、管理。指出时间是物流一体化过程中物流各功能绩效衡量的唯一标准。对于汽车零部件企业，给出了如何通过设定库存参数来协调库存与生产的优化模型。并对富奥零部件制造有限公司备件销售物流进行了战略规划。关键词:物流一体化、供应链、/尹库鸟时间优化订单等待时间概率--StudyonInventoryManagementandInventoryServi二evelsinSupplyChainconclusionscanbedraw.First,thoughthetraditionalinventorycostoptimizationisthenecess

3、aryparameterofinventoryoptimization,timeoptimizationshouldalsobecountedinasthemajortarget.Second,theinventorymanagementessenceaimsattheworkstreammanagementofenterpriseoperationprocess.Theinventorycontrolincludesnotonlythegoodsstoragemanagement,butalsothecontroloftransport

4、ationandmanufacturing.Itembodiestheintegrationmanagementisthekeyoflogisticsmanagement.Itpointsoutthatonlytimeistheperformancecriteriaofalllogisticalfunctionsinthepaper,anditalsoshowsthetime-basedinventoryperformancecriteriainsupplychain.Inmanyinventorymodels,delaycostsare

5、includedintotheinventoryobjectivefunction.However,thesecostsareunavailableinmostsituations,andalsoinmanyspecialsituationsonlycustomerorderwaitingtimecanbetheperformancecriteria.Theperformancecriteriacanbegotonlywheninventorycontrolparametersandprobabilitydistributionofwai

6、tingtimeareknown.Thedurationofastockoutisonlyanintermediateperformancemeasure,asitdefinesanupperboundontheactualwaitingtimethatacustomerordermayeventuallyobserve.Especiallywhentheperioddemandshavelargevariances,thentheprobabilitydistributionofstockoutdurationwillhavealarg

7、evariance,too.Therefore,theexpectedvalueofstockoutdurationisonlyaninaccurateapproximationofthewaitingtime.Soitisnecessarytofindtheprobabilitydistributionofthestockoutduration.Theproceduregivenistocomputethedurationofastockoutsituationforthe(r,S)inventorypolicywithdiscrete

8、timeaxisanddailyreview.Itisprovedthattheprobabilitydistributionofthestockoutdurationdependsonthe