基于知识工程的CAPP集成智能技术研究

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1、同济大学机械工程学院博士学位论文基于知识工程的CAPP集成智能技术研究姓名：郑永前申请学位级别：博士专业：机械制造及自动化指导教师：陈炳森20030601同济大学博：l：学位论文IntegratedIntelligenceTechnologyforCAPPBasedonKBEAbstractIntegrationandIntelligencebasedAM(AgileManufacturing)andgloballyneaedmanufacturingarethekeycharactersofmanufactureinthefuture．Ino

2、therwordsproductsareinsomesenseinformationandknowledgebasedones．IntegratedintelligenceCAPPiSapremiseforautomationof；nformationflowinproductionprocess．Takingthepracticalneedsofenterprisesintoaccount'inthispapertheintegratedintelligencetechnologyfortheproductsorienteddynamicCA

3、PPisstudied，whichhastheprocessknowledgebase，productmodelsandmanufacturingresourcesasitsinputinformationandjntemctivemanipulationfunctionsasitsaidingmeans．ThetechnologyiSappliedandtestedinthedevelopmentof12CAPP．ThroughsystematicanalysisofSTEP’Sstructure，UoFs(Unitsoffunctional

4、ity)，descriptionmethods，integratedgenericresources，integratedapplicationresources，applicationprotocols，implementationmethodsetc．，problemsinitsapplicationinC3Penvironmentareinvestigatedandresolutionsforinformationexchangebetweendifferentsystemsarepresented．Techniquesforfeatur

5、esandfeaturetransformation，especiallytechniquesfordefinition，descriptionanddescribingschemaoffeaturesareresearched．Methodsin12CAPPfordescribingandmappingfeaturesasdefinedinSTEPareexplained．Algorithmsforautomaticallyrecognizingintersectingfeaturesandapproachesforintegratingot

6、hermanufacturinginformationwiththerecognizedfeaturesofautomobilepartsarepresented．Themethodsforhandlingtoleranceinformationandtheinformationintegrationschemaforthemanufacturingfeaturesintheenginepartmodelsarepresentedandimplementedinthe12CAPPsystem．AccordingtoKBE(KnowledgeBa

7、sedEngineering)conceptsanewgenerationES(ExpertSystem)isdesignedwithwhichagenerativeCAPP(12CAPP)isdeveloped．ThissystemcarlautomaticallyrecognizemanufacturingfeaturesfromCADmodelsandefficientlydealwithinformationinterchangebetweenCADsystemsand12CAPESomenewtechniquessuchastechn

8、iquesforconstructionofknowledgebaseanddeterminationofcuttingconditionswered