汽车新能源现状与发展的探究外文翻译.docx
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汽车新能源现状与发展的探究外文翻译.docx
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汽车新能源现状与发展的探究外文翻译
TheInvestigationOfCarnewenergy'SPresent
ConditionAndDevelopment
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-goingand
stability.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,sodiumsulfidesodiumsulfidelithiumbattery,thebattery,thebattery,theflywheelzinc-airfuelcellandsolarbattery,thebattery.Inmanykindofcells,thefuelcellisbyfarthemostwanttosolvetheproblemofenergyshortagecar.Fuelcellshavehighpollutioncharacteristics,differentfromotherbattery,thebattery,neednotonlyexternalconstantlysupplyoffuelandelectricitycancontinuouslysteadily.Fuelcellvehicles(FCEV)canbematchedwiththecarengineperformanceandfueleconomyandemissionintheaspectsofsuperiorinternal-combustionvehicles.
Alongwiththecomputerandelectronicproductconstantlyupgradingelectriccar,openclassinmaturetechnologyandperfected,thatdrivemoresafe,convenientandflexible,comfortable.Now,theelectriccarfromordinaryconsumersdistanceisstillveryfaraway,onlyafewpeopleinbandwagon.Electriccarswithtraditionaltocompeteinthemarket,thecar
willwaselectriccarsandintelligentcarreplaced.Thisisthequestionthatdayaftertimingwillcome.ABS,GPS,andvariousnew4WD4WS,electronicproductsandthemodernera,excellentperformanceautotacitunderstandingistie-in,bringusunparalleledprecisiondrivingcomfortandsafetyofdriving.
First,thedevelopmentofnaturalgasvehicle
Reducepollutiontoprotecttheenvironment,manycountrieshaveissuedaseriesofgovernmentregulationsandtheintroductionofanumberofincentivepoliciestopromotethedevelopmentofgasvehicle,suchasthedevelopmentofmorestringentvehicleemissionstandards,inthenaturalgassupply,carpurchasetaxesandfees,equipmentsupply,gasstationconstructiongrantfunds,taxincentives.
orthepurchaseofalternativefuelvehiclesandtheconstructionofstationsindetailtheprovisionsofthetaxrelief,butalsoenactedataxcutthattheuseofnaturalgasandnaturalgascompaniesexemptfrommotorvehiclefuelsalestax.Therearemorethan40statesinaccordancewiththepolicyofthefederalgovernment,law,drawnuponthemandatorystateandencouragetheuseofcleanfuelCNGvehicles,suchaspoliciesandmeasurestopromotetheCNGfillingstationdevelopmentandconstructionofmotorvehicles.Atpresent,morethan40countriesaroundtheworldhaveagascar,mainlyintherichnaturalgasresourcesinItaly,NewZealand,Argentina,BrazilandothercountriesandstricterenvironmentalregulationstheUnitedStates,Japanandothercountries.
Second,naturalgasvehicle(CNG)fuelandotherenvironmentalandeconomicbenefitscompared
Compressednaturalgasvehicles:
20MPacompressednaturalgasinthecartocompressednaturalgascylindersinusebythesupplyofinternalcombustionengineafterthepressurereducer.
ToCNGfuelforvehiclescomparedwithgasolinehasthefollowingadvantages:
l,reducepollutionandimprovetheatmosphericenvironment:
naturalgasisacleanenergy,withahighcalorificvalue,highefficiency,pollution,etc.,thecomparisonistotallyburned,notcarbondeposition,CO,NOxandparticulateemissionsthangasoline,significantlyreducedexhaustpollution.Motorvehicleexhaustisthemajorsourceofurbanairpollution,oneofwhichiscarbonmonoxideharmfulingredients(C0),hydrocarbons(HC),nitricoxide(N0)andnitrogendioxide(NO2)andsoon.Accordingtothedata,theuseofgasasamotorfuelandgasolineasfuelcanreduceemissionscomparedto90%CO,90%S02,72%HC,39%NOx,24%CO2,non-dustemissions,toimprovetheurbanenvironmenthasasignificantrolein.Atypicaldieselengineandgasolineengineemissionsandgasmachineisshownintablel.
2,CNGvehicleforahighersecurity
Comparedwithgasoline,compressednaturalgasisarelativelysafefuel.
(1)naturalgasexplosionlimitis5%higherthangasoline(lowerexplosionlimitforthel%)high,methaneignitionfor645℃,ignitionthangasolinehigh218℃,comparedtonotignite.Lowdensityofmethane,therelativedensityofabout0.55,resultinginleakageofgaswillsoonbedistributedintheair,inthecaseofthenaturalenvironmentitisdifficulttoformahotcombustionconditions,oncethecompressednaturalgasfromthetankorpipeleaks,leakimmediatelysurroundingtheformationoflow-temperaturezone,sothatthedifficultiesofnaturalgascombustion.ThereforeisafairlysafeCNGmotorfuel.Naturalgasandfuelpropertiesofgasolineisshownintable2
(2)Departmentofnaturalgasvehiclecylinderpressurevessel
(20MPa),itsmaterialsandmanufactureandtestinginorderthatallStateshavestrictcontrol,inChinathereare"compressednaturalgascylindervehiclestandards))(GBl7258-1998).
Cylindersfittedwithexplosion-prooffacilities,pressurereducer,valvesandotherequipment,strictstandardshigh,andgassupplysystemissafeandreliableandwillnottipoverduetovehiclecollisionorcausefireorexplosion,andthepetroltankofmotorvehiclesdepartmentofnon-pressurevessels,fireeasilyaftertheexplosion.
3,willhelpeasethecontradictionbetweenenergysupplyanddemandtension.
China'seconomyisinastageofrapiddevelopment,thenumberofvehiclesto1million/yearabovetherateofincreaseofasubstantialincreaseingasolinedemandofresources,ourneedtoimportlargequantitiesofcrudeoilperyear,refinedoilandLPG.Optimizeth
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