制造执行系统MES若干关键技术研究

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1、大连理工大学博士学位论文制造执行系统（MES）若干关键技术研究姓名：王万雷申请学位级别：博士专业：机械制造及其自动化指导教师：刘晓冰20051001制造执行系统(MES)若干关键技术研究Abstractnleglobaleconomicdevelopmentshowsthatacountry’spowermainlydependsonitsmanufacturing’scapacitytomanufactureproductsandprovideservice．Theworkshopisthebasiclinkofamanufacturingchain，t

2、heconnectionofmanagementandmanufactureandthejointofinformationstreamsandmaterialstreams．ItisanurgenttaskforChinesemanufacturingtoemployinformationtechnologyandup··to--datemanagementideasinproductionorganizationsoastoimprovetheircompetitivepower．ManufacturingExecutionSystem(MES)ist

3、heapplicationoftheup-to—dateinformationtechnologyinworkshopmanagement．Itistheworkshop—orientedproductioncontrolinformationsystembetweentheplansystemandthecontrolsystem．StartingwiththeanalysisoftechnologyactualitiesandtrendinthedevelopmentofMES，thisthesisisaimedatsolvingthebottle—n

4、eckproblemsinMESwhichblockthedevelopmentofworkshopproductioncontrolsystemandfocusesonseveralkeytechnologiesinMES．Themaincontentsareasfollows：11Thisthesisdevelopsanewmodelingmethodofmaterialprocessstateforenterprisestomakethereal—timerollingproductionplan．Bydefiningmaterialprocesss

5、tatevector，thematerialprocessstateisdescribedaccuratelywiththevaluecorrespondingtothevector．Inthisway．anunfinishedprocesscanbedescribedprecisely．Thisnewmethodmakesitpossiblethattheunfinishedprocedureisrearrangedintoanewproductionplan．Itensuresthereal-timeandaccurateworkshopproduct

6、ionplanrearrangement；2)ConsideringthestaticBOM(Billofmaterial)cannotbeonthereal—timeandaccuratetrackofthedynamicmaterialmachiningprocess，adynamicMBOM(Manufacturingbillofmaterial)modelismade，whichlinksmaterial，materialprocedure，materialprocessstate，processingtimeandmanufacturingres

7、ourcesclosely．Thismodelmakestheaccuratelocationofthein—processmaterialpossibleandprovidesaneffectivetheoreticalmodelforthereal—timeandaccuratetrackofmaterials；3)Inviewofthemanufactureofmulti—modelproducts，therandomicityofworkshopenvironmentandthefuzzinessoftheprocessingtimeandthed

8、ue—timeandbasedonproductassemblyk