基于虚拟现实的车辆振动测试仿真技术研究

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1、浙江大学硕士学位论文基于虚拟现实的车辆振动测试仿真技术研究姓名：迟军申请学位级别：硕士专业：机械制造及其自动化指导教师：周晓军20050101一一塑坚查堂堡主兰些堡塞ABSTRACTThetestingtechniqueisindispensableinmodemindustryThedevelopmentofcomputertechniquesresultsintheappearanceandapplicationofvirtualtestingtechnique．Meantime，thevirtualreality(theabbreviationisVRltechnique，

2、whichhasshownitsunexampledadvantagesintheproductionandassemblyaswellasprofessionalstraining．isanotheronerisingintherecentyearsandhasbecomethepoweradvancingthetechniquerevolution．ThecombinationofthesetwotechniqueslcadstotllevirtualtestingtechniquebasedonVR．whichhaslowercostandwiderapplicationi

3、ncontrastwiththetraditionalone．Moreover,thisnewtechniqueenablesthepredictivetestingbeforeproductionandassembly．nlerefore．ithasbeentakenintoaccountintheareaofmanufactureandacademe．Accordingtotheprojectofthevirtualtestingforvehicleridetomfort，thethesisperformstheanalysisindetailfortherequiremen

4、tinrealityonthebasisofthetheoryaboutvirtualmodelingandvirtHalinstrument．Inaddition．ittriestheexplorationandresearchfortheapplicationofthevirtualtestingtechniquebasedonVR．Thefivechaptersjnthispaperareasfollows：Inchapterone，thevirtualrealitytechniqueandthevirtnaltestingtechniqueareintroduced．Th

5、enthecontentandadvantagesofthevirtualtestingtechniquebasedonVRarediscussedandthesignificanceoftheresearchinthisareaispresented．Themaindescriptionandtheframeofthisthesisaregiven，too．Inchaptertwo．theideaoftheapplicationforvirtualmodelingisindicated．Atfirst．thefunctionofthevirtualmodelinginvirtu

6、altestingisexplainedandadvisethatthemodelingiscomposedofgeometrymodeling，kinematicsmodelingandphysicsmodeling．Thentheprocessofgeometrymodeling，theplanofkinematicsmodelingaswellasthebuildingandsolutionofthedynamicsequationsinphysicsmodelingaredescribed．Finally,theuseofthevirtualsensorcontained

7、bythetestedmodelisshown．Inchapterthree，theideaoftheapplicationforvirtualinstrumentispresented；Meanwhile．thereasonwhythevirtualinstrumentisappliedinthevirtualtestingbasedonVRisexplained．Then．itisdescribedindetailthattheideaincludesthepartscomp