擺式列車傾擺機(jī)構(gòu)優(yōu)化研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文擺式列車傾擺機(jī)構(gòu)優(yōu)化研究姓名：薛愷民申請學(xué)位級別：碩士專業(yè)：車輛工程指導(dǎo)教師：王開文1999.6.1’V西南交通大學(xué)碩士學(xué)位論文AbstractThedevelopmentandapplicationoftiltingtrains，whichare811effectivemeansofincreasingspeedsoverexistinglineswithlessinvestmentandquickreturn

2、sontheinvestment。aregettingmoreandmoreattentionintheworldEvensomecolmtriesthathavehigh—speedrailwaysystemshavestrengthenedtheirworksonthisaspectNowChinaislaunchingtheprogramstodevelopandtesttiltingtrainstospeedupthemoder

3、nizationofrailwayThetiltingmechanismplaysallimportantroleinensuringthecarbodytiltingproperlyandthetrainrunningsafelyThefourbarlinkagetiltingmechanismisstudiedthoroughly，andtheeffectbythecouplingandvestibulediaphragmonthe

4、tiltingmechanismisinterpretedinthisthesisTheprincipleofthetiltingofcar—bodyaswellasthestructureandthecharacteroftiltingtrainsabroadarebrieflyintroducedfirstThen，byvectormethodthekinematicsandkineticsofthefourbarlinkageti

5、ltingmechanismandparameteroptimizationarestudiedthoroughlyandtheformulasthatCanbeusedtogetdataoftheimportantparametel‘5whenear—bodyistiltingarederivedOnthebasisoftheseworksandbyseRingupanoptimizationmodelwithmultivariate

6、，multi—objectivefunctionsandmulti—constraint，threeimportantvariablesofdesignareoptimizedbythemeansofweightingcoefficientmethodandcompositegraphicalgorithmSecond，accordingtothecouplingofthetiltingtrainandthepatternofthetr

7、ainonthetransitioncurve，longitudinalcouplerforceareworkedout，then，theeffectbythedraftgearcouplerassemblageonthetiltingmechanismisinterpretedbymeansofthecouplingmodelAttheendofthethesis，thekindsandcharactersofvestibuledia