各因素对微车传动轴弯扭振动情况影响的分析

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1、--’—————————————————————一——武汉理工大学硕士学位论文ABSTRACTMicro．vehicletransmissionsystemvibrationproblemisalwaysthemajorcourseofdrivingandcomfortperformancereducing．Howtoreducethemicro．vehicletransmissionsysternvibrationiScriticaltoimprovingvehicleperformanceandenhancingthemicro．veh

2、iclemarketcompetitionabilit、，．Asanimportantpartoftransmissionsystern，transmissionshaftisresponsibleforthetransmissionofpower。whichhasacomplexsituationofvibration．Transmissionshaftvibrationconditionisvaried．differentfactorsleadtodi髓rentvibrationconditions．anddifferentfactor

3、shavedi虢rentinfluenceonthesamevibrationcondition．Duetofluctuantpoweroutputofengine．thevibrationofsk血intermediatesupport，也edynamicbadanceofthetransmissionshaft，andtheinflueneeofshanstructure．thevibrationoftransmissionshaftiscompositewithseveralmotivations，andeachshaftvibrat

4、ionsmayalsoaffectsothers．111iSpapertakeacertaintypeofmicro-vehicletransmissionsystem觞theresearchobjeet,studyingthevibrationoftransmissionshaftundertheeffectofdifferentfactors，throughtheUGmodelingsoftware。thefiniteelement锄alysissoftwareANSYSandADAMSdynamicssimulationsoftwar

5、e．establishedthe¨transmissionshaft¨mixedkineticmodel。incombinationwiththedriveshaftrelativetheoryanalysisandsimulationexperimentaldata,findmultiplefactorsofmicro．vehicletransmissionshaRvibrationcharacteristics。analyzetransmissionshaftvibrationinfluencelaws．Thisarticlestudi

6、edseveralfactors’affecttothetransmissionshaftvibration，consideringtheeffectofenginedynamiccharacteristics，differentinputrotationalspeedandtorque，theintermediateshaftsupportvibration，anddynamicbalancetoshaftvibration，SOtllattheanalysisresultsaremoreconsistentwimtherealsitua

7、tion．TheresearchmethodhaSitsinnovation,withacertainreferencevalue．Keywords：Transmissionshaft；Dynamicsanalysisofflexiblebody；Vibrationn武汉理工大学硕士学位论文目录第1章绪论．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．11．1概j苤．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．11．2本课题国内外研究的现状分析⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．31．3本课题的来源和需要解决的关键

8、问题⋯⋯⋯⋯⋯⋯⋯．．．⋯．．61．4本论文研究的主要意义和内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．61．4．1本论文研究的主要意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．61．4．2本论文的主要内容⋯