平面六桿機構(gòu)間歇函數(shù)綜合理論與方法研究.pdf

1、大連理工大學碩士學位論文平面六桿機構(gòu)間歇函數(shù)綜合理論與方法研究姓名：張建軍申請學位級別：碩士專業(yè)：機械設(shè)計及理論指導(dǎo)教師：王德倫20020301大連理工大學碩士論文摘要METhesisResearchontheTheoryandApproachofFunctionSynthesisforPlanarSixbarDwellMechanismMasterCandidate：ZhangJianjnnSupervisor：ProLWangDel

2、unDepartmentofMechanicalEngineeringDalianUniversityofTechnologicDaliancityLianningprovinceI16024PRCHINAAbstractAnewapproachofapproximatedwellfunctionsynthesisforplanarsixbarmecbanismispresentedinthedissertation。whichtran

3、sf01TnSthesynthesisofplanarsix—barmechanismtothesynthesisoftwobarlinkage，reducesthevariablestofourbyselectinga11dimensionsofthefour—barmechanisminadvanceThenbasedonconstraintcurvesofcharacteristicpointsofmechanismsthecha

4、racteristicpointsonthefloatlinkCanbecertainedAsaresult，unifiedmodelofdwellfunctionsynthesisofplanarsixbarmechanismiSsetuDThemodelofdwellfunctionsynthesisofplanarsix—barmechanisminthedissertationisdecomposedintotwelativel

5、yindependentsub—questionsThefirstoneistoevaluatethecharacteristicofpointsonmovingrigidbody，whosemathematiCSmodeliSakindofspecialnon—difierentialmaxminioptimalproblemwithinequalityconstraintsBythemethodofSaddlepointProgra

6、mmingandmaximumentropytheproblemcanbetrans南rmedasadi虢rentialoptimalproblemwithsingleobjectiveThesecondoileistosearchapproximativecharacterpointsOilfixedrigidbodywithindesignspace，whosemathematicmodeliSnordinearandnon—dif

7、ierentiaiproblemwithmultipleconstraintsBygeneticalgorithmmethodtheproblemCanberesolvedForageneraloptimalapproach，theresultsdependontheinitialpointInthisdissertation，aseriesofgoodinitialpointscanbeproducedautomaticallybyg

8、eneticalgorithmFinally，ResultsofdifferentsynthesisexamplesaregiventoillustratetheeffectivenessoftheapproachIneachcase，theoptimizationalgorithmwaslUllautomaticallywithseveralinitialparametersKeywords：planarsix—barmechanis