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IntelligentVehicleOursocietyisawashin“machineintelligence”ofvariouskinds.Overthelastcentury,wehavewitnessedmoreandmoreofthe“drudgery”ofdailylivingbeingreplacedbydevicessuchaswashingmachines.Oneremainingareaofbothdrudgeryanddanger,however,isthedailyactofdrivingautomobiles.1.2millionpeoplewerekilledintrafficcrashesin2002,whichwas2.1%ofallglobaldeathsandthe11thrankedcauseofdeath.Ifthistrendcontinues,anestimated8.5millionpeoplewillbedyingeveryyearinroadcrashesby2020.infact,theU.S.DepartmentofTransportationhasestimatedtheoverallsocietalcostofroadcrashesannuallyintheUnitedStatesatgreaterthan$230billion.whenhundredsorthousandsofvehiclesaresharingthesameroadsatthesametime,leadingtothealltoofamiliarexperienceofcongestedtraffic.Trafficcongestionunderminesourqualityoflifeinthesamewayairpollutionunderminespublichealth.Around1990,roadtransportationprofessionalsbegantoapplythemtotrafficandroadmanagement.Thuswasborntheintelligenttransportationsystem(ITS).Startinginthelate1990s,ITSsystemsweredevelopedanddeployed。Indevelopedcountries,travelerstodayhaveaccesstosignifi-cantamountsofinformationabouttravelconditions,whethertheyaredrivingtheirownvehicleorridingonpublictransitsystems.Astheworldenergycrisis,andthewarandtheenergyconsumptionofoil--andarefullofenergy,inoneday,somedayitwilldisappearwithoutatrace.Oilisnotinresources.Soinoilconsumptionmustbecleanbeforefindingareplacement.Withthedevelopmentofscienceandtechnologytheprogressofthesociety,peopleinventedtheelectriccar.Electriccarswillbecomethemostidealoftransportation.Inthedevelopmentofworldeachaspectisfruitful,especiallywiththeautomobileelectronictechnologyandcomputerandrapiddevelopmentoftheinformationage.Theelectroniccontroltechnologyinthecaronawiderangeofapplications,theapplicationoftheelectronicdevice,cars,andelectronictechnologynotonlytoimproveandenhancethequalityandthetraditionalautomobileelectricalperformance,butalsoimprovetheautomobilefueleconomy,performance,reliabilityandemissionspurification.Widelyusedinautomobileelectronicproductsnotonlyreducesthecostandreducethecomplexityofthemaintenance.Fromthefuelinjectionengineignitiondevices,aircontrolandemissioncontrolandfaultdiagnosistothebodyauxiliarydevicesaregenerallyusedinelectroniccontroltechnology,autodevelopmentmainlyelectromechanicalintegration.Widelyusedinautomotiveelectroniccontrolignitionsystemmainlyelectroniccontrolfuelinjectionsystem,electroniccontrolignitionsystem,electroniccontrolautomatictransmission,electroniccontrol(ABS/ASR)controlsystem,electroniccontrolsuspensionsystem,electroniccontrolpowersteeringsystem,vehicledynamiccontrolsystem,theairbagsystems,activebeltsystem,electroniccontrolsystemandtheautomaticair-conditioningandGPSnavigationsystemetc.Withthesystemresponse,theusefunctionofquickcar,highreliability,guaranteesofenginepowerandreducefuelconsumptionandemissionregulationsmeetstandards.Thecarisessentialtomoderntraffictools.Andelectriccarsbringusinfinitejoywillgiveusthephysicalandmentalrelaxation.Takeforexample,automatictransmissioninroad,cannotontheclutch,canachieveautomaticshiftandengineflameout,notsoeffectiveimprovethedrivingconveniencelightenthefatiguestrength.Automatictransmissionconsistsmainlyofhydraulictorqueconverter,geartransmission,pump,hydrauliccontrolsystem,electroniccontrolsystemandoilcoolingsystem,etc.Theelectroniccontrolofsuspensionismainlyusedtocushiontheimpactofthebodyandtheroadtoreducevibrationthatcargettingsmooth-goingandstability.Whenthevehicleinthecarwhentheroadunevenroadcanaccordingtoautomaticallyadjusttheheight.Whenthecarratioofheight,lowsettogasoroilcylinderfillingoroil.Ifisopposite,gasordiarrhea.Toensureandimprovethelevelofdrivingcarsdrivingstability.Variableforcepowersteeringsystemcansignificantlychangethedriverfortheworkefficiencyandthestate,sowidelyusedinelectriccars.VDCtovehicleperformancehasimportantfunctionitcanaccordingtotheneedofactivebrakingtochangethewheelsofthecar,carmotionsofstateandoptimumcontrolperformance,andincreasedautomobileadhesion,controllingandstability.Besidesthese,appearbeyond4WS4WDelectriccarscangreatlyimprovetheperformanceofthevalueandascendingsimultaneously.ABSbrakingdistanceisreducedandcankeepturningskillseffectivelyimprovethestabilityofthedirectionssimultaneouslyreducetyrewear.Theairbagappearinlargeprogramsprotectedthedriverandpassenger'ssafety,andgreatlyreduceautomobileincollisionofdriversandpassengersinthebuffer,toprotectthesafetyoflife.Intelligentelectronictechnologyinthebustopromotesafedrivingandthattheotherfunctions.Therealizationofautomaticdrivingthroughvarioussensors.Exceptsomesmartcarsequippedwithmultipleoutsidesensorscanfullyperceptionofinformationandtrafficfacilitiesandtojudgewhetherthevehiclesanddriversindanger,hastheindependentpathfinding,navigation,avoidbump,noparkingfeesetc.Function.Effectivelyimprovethesafetransportofmanipulation,reducethepilotfatigue,improvepassengercomfort.Ofcoursebatteryelectricvehicleisthekey,theelectriccarbatterymainlyhas:theuseoflead-acidbatteries,nickelcadmiumbattery,thebattery,sodiumsulfidesodiumsulfidelithiumbat