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ID:36357150
大小:3.49 MB
页数:117页
时间:2019-05-10
《基于数据挖掘的制造执行系统实时数据采集和车间调度关键技术研究(I)》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、上海交通大学博士学位论文基于数据挖掘的制造执行系统实时数据采集和车间调度关键技术研究姓名:燕存良申请学位级别:博士专业:材料加工工程指导教师:李从心20061101的实际生产数据为例,给出了基丁.知识的动态凋度仿真系统。验证了MES动态凋度模剐的有效性和止确性。关键词:制造执行系统、数据采集、JobShop调度、遗传算法、数据挖=睛i
2、、关联性规则挖掘、知识I:程、动态调度。Ht。海交通上学博卜学位论丈ResearchontheKeyTechniquesofReal-timeDataAcquisitionandSchedulingi
3、nManufacturingExecutionSystemBasedonDataMiningABSTRACTFacedincreasingfiercecompetition.itisanemergencyproblemforenterprisehowtoimproveproductquality,shortenproducttime,reduceproductcost,improveservice.ThemanagemodelofERP/MES/PCShasbeenprovedtobeanecessarychoiceofmodeme
4、nterprise,whichcanimproveenterprisecompetitionabilityandmakeenterprisemoreinformation.MES(ManufacturingExecutionSystem)isinformationsystemsthatresideontheplacebetweentheplanningsystemsanddirectindustrialcontrolsintheproductionmanufacturingmanagementprocess.MESisabridge
5、tofillsupthegapbetweentheplanningsystemsanddirectindustrialcontrols,andhasbeenthemainstreamtechnologyontheproductmanagementandtheplantfloorcontr01.BasedontheanalysisofstructureandfunctionmodelofMES,researchonrealtimedataacquisitionandrealtimescheduling,twokeyproblemsof
6、MES,iscarriedintoexecution.Fourfeasibleschemesofdataacquisitionareproposedbasedontheworkshopsituationandthedifferenceofequipments.ParallelHybridGeneticAlgorithmbaseonMulti—groupisproposedtoresolvejobshopschedulingproblem.Combinedwithintemetanddataminingtechnique,resear
7、chOllthedataprocessinganddatamininginthekeyproblemsofMESiscarriedout.Basedontheanalysisofworkshop,fourfeasibleschemesofdataacquisitionareproposed.It’sresolvedthelinkbetweenMESanddirectindustrialcontrols,andmadeeasyforERP/MES/PCSintegration.ParallelHybridGeneticAlgorith
8、mbasedonMulti·groupisproposedtoresolvejobshopschedulingproblem.Combinewiththeideaofparallelcomputation,simulatedannealingandgeneticalgorithm,thealgorithmovercomesomeshortcominginstandardgeneticalgorithmandsimulatedannealinggeneticalgorithm,andshowgoodconvergenceandless
9、sensitivitytoparameters.ItprovidesapowerfultoolforschedulingprobleminMES.Anassociationruleminingalgorithm,DHA(Dividin
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