面向并行设计的产品装配建模及仿真技术研究

南京航空航天大学硕士学位论文面向并行设计的产品装配建模及仿真技术研究姓名：乔勃申请学位级别：硕士专业：载运工具运用工程指导教师：孙有朝20071201IIIABSTRACTComputer-aidedproductassemblymodeldesignisoneofthecoreissuestoproductdigitalmodelinganditisthekeysupportingtechnologyofconcurrentengineeringandcomputerintegratedmanufacturing.Firstly,byanalyzingthemattersoftraditionalproductassemblymodeldesignandreviewingdomesticandinternationalrelatedresearches,thepaperputsforwardtheconceptofthetechnologyofproductassemblymodelingforConcurrentDesign,definestheresearchcontentsandthebasicideasofconcurrentdesignforthecomplexproductassemblymodel;Secondly,thispaperestablishestheconcurrentdesignprocessmodelforproductandpartscombiningwiththecurrentresearchesonthemethodandkeytechniqueofconcurrentdesign.Basedonit,thedesignmodeofassemblymodelisresearchedaccordingtothedemandsofconcurrentdesign,andthemethodofvariantdesignisappliedintoassemblymodelingprocess.Thentheconstructmethodandprocessofcomplexproductassemblymodelforconcurrentdesignaregivenbasedonanalyzingtheconfigurationandfunctionoftheproduct.Inordertofurtherdefineandsimplifytheprocessofproductassemblymodelingandtofacilitatemanaging3Ddigitalmodels,themethodforbuildingthepartsfeaturelibrarybasedonknowledgeengineeringisresearched,andapart/toollibraryanditsmanagementsystemisestablished.Finally,onthebasisofproductassemblymodel,theoperationtechniqueoftoolinvirtualmaintenanceprocessisresearched;thetoolpositioningmethodbasedonfeatureisputforward;thepositionandoperationoftoolinvirsualmaintenanceenvironmentisrealized.Thenthetooloperationsequenceplanningmethodandtheevaluatingindexisdiscussed.Theassembly/disassemblyofproductwhenusingtoolsisanalyzed,andthenanaccountmethodofdisassemblytimewhenusingtoolsisputforwardbasedontraditionaldisassemblyquantitativeevaluationmethod.Throughthisresearch,itcomestothemethodsystemofproductassemblymodelingandsimulationforconcurrentdesign.Anditlaysagoodfoundationfortheestablishmentofthevirtualmaintainabilitydesignandanalysissystemaswellasotherresearches.Keywords:ConcurrentDesign,Featuremodeling,assemblymodel,variantdesign,Partlibrary,AssemblyEvaluationV2.1................................................................92.2..............................................................................102.3..........................................................................122.4..................................................................................142.5..............................................................................142.6..........................................................................................162.7..............................................................................172.8..............................................................192.9..........................................................................................202.10......................................212.11..........................................................................222.12..........................................................233.1..................................................................263.2..........................................................................263.3..................................................................................283.4..........................................................293.5..........................................................................303.6..............................................................................323.7..........................................................................................333.8......................................................................................353.9..........................................................................................364.1..........................................................384.2......................................................404.3..........................................414.4..........................................................................................414.5..........................................................................................444.6......................................502.1..........................................................................................154.1..........................................................................47,()11.1197020406020705~102~3(Fast)(Quality)(Cost)(Environment)7%70%~80%[1][2](ConcurrentEngineering-CE)[3],CE[6]CE[6]2DFA[7](DesignForAssembly)VirtualRealityVRCAD/CAMConcurrentArt-toProductEnvironment,CAPECAPE[8][9]40%60%CAD/CAM[10]:()CAD31.2[12]():()CADAgent[13][14]CE20TigerTeams(SAPD)Deming(TQM)(CPI)(QualityFunctionDeployQFD)(CALs)IDANASABoeing/GE/Casio/IBM/GM/EDS/AAR[15]1991DCIECE(CERC)StanfordMaryland-(IntelligentManufacturingSystemIMS)1992CEC4CIMDEVDFX(DesignForX)1995863/CIMSCIMSCEPDPSTEPCADCADCAPP/CAM/(DesignForManufacture,DFM)(ComputerAidedFixtureDesignCAFD)CEPDP1.3(DFA)DFA70(DesignGuidelines)80MassachusettsBoothroyd[7]DFADFADFADFADFADFA70%5DPM:1.4/[16]/WashingtonVADE