基于eM-Plant的MES調(diào)度策略研究.pdf

1、西安工業(yè)大學碩士學位論文基于eMPlant的MES調(diào)度策略研究姓名：藺麥田申請學位級別：碩士專業(yè)：機械設計及理論指導教師：曹巖20090502ResearchofJob—ShopSchedulingStrategyforMESBasedOileMPlantDiscipline：MechanicalDesignandTheoryStudentSignature：八動e泐SupervisorSignature：函‰AbstractAManu

2、facturingExecutionSystem(MES)isaManagementInformationSystem(MIS)fortheworkshoplayerwhichlinksthesuperstratumofplanmanagementandthesubstratumofindustrialcontrolintheproductionmanufacturingprocessIthasbecomeaneffectivemeth

3、odforproductionmanagementandcontr01Job—shopschedulingisthecoreandoneofkeyelementofIVIESresearchesItisofgreatimportanceforimprovingtheutilizationrateofenterpriseresourceselevatingtheproduct。Squalityshorteningdeliveryperio

4、dandreducingcostandraisingenterprisecompetitionlevelinmarketeconomyThejob—shopschedulingprobleminamanufacturingenterpriseinvolvesinhowtoallocateresourcesandrealizeproductionschedulingoptimizationinproductionprocessFromth

5、epointofviewofamathematicmodel，itiShowtodistributeavailablemanufactureresourcestojobshopproductiontasksetsandsatisfymanufacturingsystemperformanceindicesInthepaperaschedulingstrategybasedonSAandeM—Plantisputforwardtosolv

6、ethejobshopschedulingproblemandaschedulingsystemisdevelopedusingDelphiThemaincontentsareasfollows1)Becauseofthedefectoflongrunningtimeandcomplexityoftheclassicaljob—shopschedulingalgorithms，aSimulatedAnnealing(SA)algorit

7、hmbasedonschedulingrulesisputforwardthatadoptsanewrandomsearchingmethodthatacceptsbaddishvaluesaccordingtocertainconditionsThustheSAalgorithmcouldavoidlocaloptimalvaluesandreachoveralloptimalvalue2)Inthepapertheschedulin

8、gprocessisdividedintoprimarysequencingandoptimalsequencingAnalyticalHierarchyProcess(觸口)isadoptedtoanalyzethecorrelationbetweenrulesandevaluatingindicesTheAHPresultsareusedasameasurablestandardforschedulingresults3)Throu