曲轴扭转减振器分析与设计.pdf

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1、摘要发动机的扭转振动严重影响了整车的舒适性。本文基于多级并联和串联扭转减振器的设计背景，提出混联式曲轴扭转减振器的设计，对扭转减振器的优化方案做了介绍，建立了两种三级混联减振器的简化模型，运用MATLAB软件对其参数进行优化分析，并运用CATIA软件对其进行实体建模。分析完扭转减振器的优化参数，结果表明本研究成果对曲轴扭转减振器的设计有一定借鉴价值。关键词：发动机振动；曲轴扭转减振器；混联；优化IAbstractTheTorsionalVibration(TV)ofengineseriouslyaffectsthecomfortofv

2、ehicle.Basedonthebackgroundofparallelandserialmulti-stagetorsiondamperdesign,thehybriddesignofcrankshaftTorsionalVibrationAbsorber(TVA)isproposed.ThispaperdescribestheoptimizationprogramoftheTVAandestablishestwosimplifiedmodelsofhybridtri-modeTVA.Thepaperanalyzestheopti

3、mizationparameterswithMATLABandmodelingTVAwiththeCATIA.AfteranalyzingoptimizationparametersofTVA,theresultindicatesthattheconclusionsofthispaperhavesomereferencevalueforthedesignofTVA.Keywords:enginevibration;torsionalabsorber;hybrid-mode;optimization.II目录摘要............

4、.................................................................................................................IABSTRACT....................................................................................................................II1概述...........................

5、..............................................................................................11.1课题背景...........................................................................................................11.2国内外现状....................................................

6、...................................................21.3课题主要内容....................................................................................................42扭转减振器介绍....................................................................................................

7、..52.1扭转振动的控制方法........................................................................................52.2扭转减振器的种类............................................................................................62.3扭转减振器的结构...................................................

8、.........................................82.3.1单级扭转减振器........................................................