汽车基础及结构培训

汽车基础及结构你所了解的整车以上内容中哪些你认为还没有涉及到？•TheEngine(Showninorange),typicallyDieselorGasoline•TheTransmission(Showningreen),eitheramanual,automatic,CVT•After-treatmentSystemssuchascatalystsorparticulatetraps(Showninblue)•ElectronicControlUnits(ECU)andControlSoftware汽车的动力特性•汽车行驶中能达到的最高车速；•汽车行驶中能克服的最大道路坡度；•汽车行驶中的加速能力；•原地起步•换档加速•直接档超车加速•发动机的动力特性；•汽车的整车总重；（每吨总重应占有的发动机功率）•道路条件；（路况和阻力）•汽车的迎风阻力；（阻力系数及汽车的迎风面积）•汽车传动系统的传动比；•轮胎的滚动半径、结构和特征；•车轮和传动系的转动惯量；•各档总传动比的机械效率；•发动机与整车的匹配，如进气系统，排气系统和供油系统；•液压变速箱和空调等其它装置发动机转速与汽车行驶车速之间的对应关系：V＝C×Ne/G(G为变速箱与驱动桥主传动比乘积)发动机扭矩与汽车驱动轮上的扭矩和驱动力之间的关系：Mv=Me×G×efficiency汽车的燃油经济性：100公里燃油耗量汽车的排放：噪声•车内噪声•车外噪声尾气BasicDesignFrameworkforaD&REngineer(Thestepsyouneedtofollowtodesignanythingfromautomobilestobirdshouses)Whatarethe9BasicSteps?•1.Determinethedesignrequirements•2.EstablishanInitialDesign•3.Analyzeanditeratethedesign•4.Prototypeandtestthedesign•5.Releasethedesignforproduction•6.KOtheproductiontool•7.Buildandtestproductionpartsofftool•8.Confirmanddeclareproductioncapability(PPAP)•9Launchintoproduction1.DeterminetheDesignRequirements(reconcileincompatiblerequirements)•Functionalcascadefromvehicleengineering*•Benchmarking•DesignforAssemblyandDesignforManufacturing*•Loadsmeasurements*•RelevantSDSs•Appearancerequirements•CustomerUsageProfile•Thermal/Environmental•Qualityhistory*•Engineeringtoolsanddisciplines*•Cost/Weight/Investment•Complexity•etc谢谢