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1、Y1036057分類號(hào)!!!!：絲密級(jí)單位代碼10618學(xué)號(hào)04310111墨麼交通戈摯碩士學(xué)位論文論文題目：基于ADAMS的微型汽車前輪定位參數(shù)優(yōu)化設(shè)計(jì)研究ResearchofOptimizationDesignforFrontWheelAlignmentParametersbasedonADAMS研究生姓名：石振國(guó)導(dǎo)師姓名、職稱：簡(jiǎn)曉春教授申請(qǐng)學(xué)位門類工學(xué)專業(yè)名稱：載運(yùn)工具運(yùn)用工程論文答辯日期：2007年4月18日學(xué)位授予單位：重慶交通大學(xué)答辯委員會(huì)主席：胡可釗評(píng)閱人：胡可釗2007年4月蔣工亮ABSTR^CTABSTRACT
2、FrontWheelAlignmentParametersarethemostimportantcharactersofautomobile。Therationalityofitsdesignwilldirectlyinfluencethereturnability，straightlinestability，steeringforceandthehigh-waybrakingstabilityofautomobiles．However．thedesigningmethodsdomesticallyusedinfrontwheel
3、alignmentparametersmainlyadoptvari曲1eofparameterandadaptabilitydesign，whichnotonlycostplentyofmanpowerandmaterialresource，butalsoleadtoaninaccurateparameter．Thispaperhasdoneanoptimizationdesigntothefullautomobilemodel，andgivenoutamoreconvenientanddirectsmethodtodeterm
4、inefrontwheelalignmentparameters．Firstly，theinfluenceoffrontwheelalignmentparameterstoautomobile’shandlingstabilityinthepaper．Morespecificdetailslikesuspension，steeringsystemandthedriveformareanalyzedasinfluencestodeterminingfrontwheelalignmentparameters．Then,weanalyz
5、eddrivemomentandbringforwardanoptimizationdesignmethodconcerningtheangleofbothkingpininclinationandcasterofreturnability；wealsoimprovethequantityrelationbetweenkingpininclinationandcasterinself-turningmomentthroughspecificcalculating．Secondly．wemakesomereasonablesimpl
6、ificationstothestructuresofautomobilesandbuildanfullmodelofthiskindofautomobilewhichincludesfrontsuspension，rearsuspension，steering,chassisandtireandaswellastende}greeoffreedom-Kinematicssimulationoffrontsuspensionjumpisstudiedtothiswell—establishedmodel．Fromthis．wepr
7、ogressanevaluationandoptimizationtothechangesoffrontwheelalignmentparametersandwheeldistance．Thesimulationofsteadystaticcircular，returnabilityandsteeringeffortstestbasedon。GB／T6323．4—94～GB／T6323．6-94”fortheful1virtualprototypehasdone，andthensomeweaknessofthevirtualpro
8、totypeonhandlingstabilityhasbeenfound．TheFrontWheelA1ignmentParametersofthevirtualprototypewasABSTIiACToptimizationbasedonth
