基于虚拟样机的挖掘机工作装置的设计与仿真

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1、西南交通大学硕士学位论文基于虚拟样机的挖掘机工作装置的设计与仿真姓名：郑家坤申请学位级别：硕士专业：驱动技术与智能系统指导教师：于兰英20080401西南交通大学硕士研究生学位论文第1I页AbstractHydraulicexcavatorisawidelyused,versatile，complexstructureoftheconstructionmachinery．Withthegrowingcompetitioninthemarket,itisincreasinglybecomingthemostcha

2、llengingfactoroftheproductdevelopmentspeedandreliability．Becau∞oflongdevelopmentcycleofnewproducts，highcost，backwardnessdesignmethods，itislackofmarketcompetitivenessofchina’Straditionalconstructionmachineryindustry．Graduallymaturevirtualprototypetechnologyto

3、realizetheproductfastdevelopment，enhancedthedesignlevelandthemarketcompetitivenessofourcountryconstruction，machineryproducthasprovidedthepowerfulmethod．Thispaperwillintroducevirtualprototypetechnologyintohydraulicexcavatordesignanddevelopmentarea,mainlyaspec

4、tsarestudiedasfollows：Firstly,introducedvirtualprototypetechnology’Sbasictheory,recalledthevirtualprototypetechnologyandhydraulicexcavatorsintheresearchsituationanddevelopmenttrendsandwillbediscussedthatitisneedofusingvirtualprototypetechnologyinthedesignoft

5、hehydraulicexcavatoLSecondly,accordingtothebasictheoryofvirtualprototype，proceededtodesignandsimulationabouthydraulicexcavatorbasedOnMATLAB，U13IADAMSsoftwareintheanalysisofthehydraulicexcavatorallcomponentsanddesignrequirementsandmethodsofequipment．Thirdly,d

6、iscussedthedatatransmissionchannelsbetweenUGandADAMSsoftware，workedoutthemethodtoestablishkinematicsanddynamicssimulationmodelusingADAMSsoftware，establishedthedynamicsmodelinsymmetricalloadconditionsbasedonanalysisoftheexcavatoroperationsinthecompoundactiono

7、fmechanicalproperties，andprocessedtOsimulationanalysis．Finally,optimizedthehydraulicexcavatorequipmentlinkageinthesoftwareADAMSbasedonmodemdesignmethod,andstudiedthebesttransmissionratioexertingthebiggestdiggingforceinthebucketofthehydrauliccylinderatresiace

8、rtaincircumstanCeS．KeyWords：Virtualprototype；Equipmentofhydraulicexcavator；Simulation；Optimization西南交通大学学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，同意学校保留并向国家有关部门或机构送交论文的复印件和电子版，允许论文被查阅和借阅。本人授权西南交通大学