基于PDM的機械產(chǎn)品全性能優(yōu)化設(shè)計建模及尋優(yōu)策略研究.pdf

1、重慶大學(xué)碩士學(xué)位論文基于PDM的機械產(chǎn)品全性能優(yōu)化設(shè)計建模及尋優(yōu)策略研究姓名：董小閔申請學(xué)位級別：碩士專業(yè)：機械設(shè)計及理論指導(dǎo)教師：陳進2001.11.2重慶大學(xué)碩士學(xué)位論文AbstractAbstractToday，mechanicproductstructurehasbecomemorecomplex，competitionbeingmorefuryandtheneedsformachineproductbeingmorerigor

2、ousThedevelopmentofoptimizationhassteppedintowholemachineeventoaserialofproductfrompartoptimization，whichhasmadeitdifficulttobuildamodelandtesolvethemodelbyuseoftraditionaloptimizationmethodAnewdesignmethodiSbeingwantedT

3、herefore，thewholeperformanceoptimization(WPO)appearedHowever，WPOhasnotresearchedthoroughlyandappliedtopracticewidelyTheresearchforWP0designhasnotonlytheimportantvalueoftheorybutalsothepraxissignificanceofincreasingproduc

4、tqualityandproductefficiencyAfteritanalysestheactualityandexistentsixty—fourdollarquestionsofWPOdesign，thispaperstudiesthemethodofmodelingandtacticofsearchingforthebestvalueThispaperstudiesdeeplyproductdatamodeling，assig

5、nmentprogramming，thebestvaluesearchingfor，resultanalyzingandevaluatingAtthepointofdatamodeling，paperpointsoutthattheproductmodelingwaybyuseofobjectoriented(0一O)technologyonthefou，ndationofPDM，rypicalproductsareabstracted

6、asaclass，whichderiversothermaterialproductsorpartsAtthepointofassignmentprogramming，optimizationmodelisachievedaccordingtothedatafileformedduringproductmodelingTherearemanytacticsforoptimizedmodelprogrammingThewholeoptim

7、izationmodelisbuiltupforsimplerproduct，theoptimizationmodelisprogrammingbythetacticsofdelaminating，subsectionanddepartedperformanceAsfarasbestvaluelookingforiSconcernedwhichiSconnectedwiththetacticofmodelingForwholeoptim

8、izationmodelallkindsofperformancearesummedupasatasktooptimizeAstothethreelatter，somechild—assignmentsareformedgenerallyEachchild—assignmenthasitownoptimizationmodelAmainprogrammingoptimizesthosechild—assignmentsharmoniou