汽車專業(yè)英語(yǔ)讀譯教程 第3版 課件 25-U14TC Structure of Hybrid Drive

HYBRIDDRIVE

StructureofHybridDrive

ClassificationofHybridDrive

ToyotaPriusHybridDriveSystem

PrinciplesofOperation

HybridControlModes

PROFESSIONALENGLISH本次課學(xué)習(xí)目標(biāo)掌握HYBRIDDRIVE的英文專業(yè)詞匯訓(xùn)練快速閱讀能力，提高閱讀速度07LEXUSGS450HHYBRIDHybridDrive07HONDAACCORDHYBRIDHybridDrive07TOYOTACAMRYHYBRIDHybridDrive07FORDESCAPEHYBRIDHybridDriveAgasolinecarproducesarelativelylargeamountofpollutantandgenerallygetspoorgasmileage.Anelectriccar,however,producesalmostnopollution,butitcanonlygo50to100miles(80to161km)betweencharges，andisveryslowandinconvenienttorecharge.Agasoline-electriccarcombinesthesetwosetupsintoonesystemthatleversbothgaspowerandelectricpower.TheMercedes-BenzM-ClassHyPer--ahybridconceptvehicle

⊿3/23HybridDriveTheMercedes-BenzM-ClassHyPer--ahybridconceptvehicle

4/23※HybridDriveStructureofHybridDrive

Gasoline-electrichybridcarscontainthefollowingparts:Gasolineengine-Thehybridcarhasagasolineenginemuchliketheoneyouwillfindonmostcars.However,theengineonahybridissmallerandusesadvancedtechnologiestoreduceemissionsandincreaseefficiency.Fueltank-Thefueltankinahybridistheenergystoragedeviceforthegasolineengine.Gasolinehasamuchhigherenergydensitythanbatteriesdo.Forexample,ittakesabout1,000poundsofbatteriestostoreasmuchenergyas1gallon(7pounds)ofgasoline.Electricmotor-Theelectricmotoronahybridcarisverysophisticated.Advancedelectronicsallowittoactasamotoraswellasagenerator.Forexample,whenitneedsto,itcandrawenergyfromthebatteriestoacceleratethecar.Butactingasagenerator,itcanslowthecardownandreturnenergytothebatteries.⊿5/23HybridDrive

Generator-Thegeneratorissimilartoanelectricmotor,butitactsonlytoproduceelectricalpower.Itisusedmostlyonserieshybrids.Batteries-Thebatteriesinahybridcararetheenergystoragedevicefortheelectricmotor.Unlikethegasolineinthefueltank,whichcanonlypowerthegasolineengine,theelectricmotoronahybridcarcanputenergyintothebatteriesaswellasdrawenergyfromthem.Transmission-Thetransmissiononahybridcarperformsthesamebasicfunctionasthetransmissiononaconventionalcar[1].Somehybrids,liketheHondaInsight,haveconventionaltransmissions.Others,liketheToyotaPrius,haveradicallydifferentones,whichwe'lltalkaboutlater.⊿

radically['r?dik?li]ad.完全，根本上HybridDriveNOTESTOTHETEXT[1]Thetransmissiononahybridcarperformsthesamebasicfunction

asthetransmissiononaconventionalcar.混合動(dòng)力汽車變速器執(zhí)行與普通汽車變速器相同的基本功能。(translationsequence:Red-Green-Blue-Brown)混合動(dòng)力汽車變速器的基本功能與普通汽車變速器相同。※HybridDriveClassificationofHybridDriveYoucancombinethetwopowersourcesfoundinahybridcarindifferentways.Oneway,knownasaparallelhybrid,hasafueltankthatsuppliesgasolinetotheengineandasetofbatteriesthatsuppliespowertotheelectricmotor.Boththeengineandtheelectricmotorcanturnthetransmissionatthesametime,andthetransmissionthenturnsthewheels.Inatypicalparallelhybrid(Fig.2),thegasengineconnectstothetransmission.Thebatteriesandelectricmotoralsoconnecttothetransmissionindependently.Asaresult,inaparallelhybrid,boththeelectricmotorandthegasenginecanprovidepropulsionpower.⊿HybridDriveAutomotiveCANFig.2parallelhybridsystemHybridDriveFig.3SeriesHybridSystem9/23HybridDriveFig.4SeriesParallelHybridSystem10/23HybridDriveToyotaPriusHybridDriveSystemPrinciplesofOperationToyotahasproducedtheworld‘sfirstmassproducedhybridautomobile.Thehybridsystemisthewave

ofthefuture,andnowtherearemoreincentivestopurchaseone.OwnersofthePriusoranyotherhybridgas-and-electricvehicle,maybeeligibleforafederalincometaxdeduction.AccordingtotheInternalRevenueService,hybridvehiclesqualifyforalongstandingtaxdeductionthatappliestovehiclespoweredbyclean-burningfuels.Thepolicyallowsaone-timedeductionwhichcanbeclaimedbytheconsumerfortheyearthecarwasfirstputinuse[2].Initssimplestform,ahybridsystemcombinesthebestoperatingcharacteristicsofaninternalcombustionengineandanelectricmotor.Moresophisticatedhybridsystems,suchtheToyotahybridsystem,recoverenergyotherwiselosttoheatinthebrakesanduseittosupplementthepowerofitsfuel-burningengine.ThesesophisticatedtechniquesallowtheToyotahybridsystemtoachievesuperiorfuelefficiencyandamassivereductioninCO2.incometax所得稅InternalRevenueService美國(guó)國(guó)內(nèi)稅務(wù)局HybridDriveNOTESTOTHETEXT[2]

Thepolicyallowsaone-timedeductionwhichcanbeclaimedbytheconsumerfortheyearthecarwasfirstputinuse.

分析：有三個(gè)簡(jiǎn)單句子

譯文：這個(gè)政策還允許用戶在車輛初次投入使用的那一年，申請(qǐng)一次性免稅。HybridDriveUponitsreleasein2001,thePriuswasselectedastheworld'sbestengineeredpassengercar.Thecarwaschosenbecauseitisthefirsthybridvehiclethatholdsfourtofivepeopleandtheirluggage.Itisalsooneofthemosteconomicalandenvironmentallyfriendlyvehiclesavailable.In2004thesecondgenerationPriuswontheprestigious

MotorTrendCaroftheYearAward.TheToyotaHybridSystemⅡ(THS-Ⅱ)powertraininthesecondgenerationPriusprovidesimpressiveEPAfueleconomynumbers-60mpgincityand51mpginhighway,andmeetstheAT-PZEVspecifications.⊿release發(fā)布，發(fā)布的材料AT-PZEV=advancedtechnologypartialtimezeroemissionvehicle先進(jìn)技術(shù)部分時(shí)間零排放車輛

60mpg=3.9L/100km

51mpg=4.6L/100kmHybridDriveFig.5ToyotaHybridDriveSystemConfiguration13/23HybridDriveAutomotiveCANFig.6ThemaincomponentsofToyotaPriushybridsystemHybridDriveThemaincomponentsofthehybridsystemareICengine,motorgenerator1(MG1),motorgenerator2(MG2),planetarygearset,inverter,HVbatteryandHVECU,seeFigure6.The1NZ-FXE1.5-litergasolineengineemploysVVT-ivariablevalvetimingandETCS-ielectronicthrottlecontrol.Motorgenerator1(MG1)operatesasthecontrolelementforthepowersplittingplanetarygearset.Italsosupplieselectricalpowertodrivemotorgenerator2(MG2).MG1effectivelycontrolsthecontinuouslyvariabletransmissionfunctionofthetransaxleandoperatesastheenginestarter.MG2isusedformotiveforceatlowspeedsandsupplementalforceathighspeeds.Itprovidespowerassisttotheengineoutputasneededandhelpsthevehicleachieveexcellentdynamicperformance.Italsofunctionsasageneratorduringregenerativebraking.⊿16/23HybridDriveTheplanetarygearunitisapowersplittingdevice.MG1isconnectedtothesungear,MG2isconnectedtotheringgearandtheengineoutputshaftisconnectedtotheplanetcarrier.ThesecomponentsareusedtocombinepowerdeliveryfromtheengineandMG2andtorecoverenergytotheHVbattery.CurrentbetweenMG1,MG2andtheHVbatteryiscontrolledbytheinverter.Theinverterconvertshigh-voltagebatteryDCtoACpoweranditrectifieshigh-voltageACfromMG1andMG2torechargethehigh-voltagebattery.ThebatterystorespowerrecoveredbyMG2duringregenerativebrakingandpowergeneratedbyMG1.Thebatterysuppliespowertotheelectricmotorwhenstartingofforwhenadditionalpowerisrequired.⊿HybridDriveWhenstartingoffandtravelingatlowspeeds,MG2providestheprimarymotiveforce.TheenginemaystartimmediatelyiftheHVbatterystate-of-charge(SOC)islow.Asspeedincreasesabove15to20mphtheenginewillstart.Whendrivingundernormalconditionstheengine'senergyisdividedintotwopaths;aportiondrivesthewheelsandaportiondrivesMG1toproduceelectricity.TheHVECUcontrolstheenergydistributionratioformaximumefficiency.DuringfullaccelerationpowergeneratedbytheengineandMG1issupplementedbypowerfromtheHVbattery.EnginetorquecombinedwithMG2torquedeliversthepowerrequiredtoacceleratethevehicle.⊿18/23HybridDriveDuringdecelerationorbrakingthewheelsdriveMG2.MG2actsasageneratorforregenerativepowerrecovery.TherecoveredenergyfrombrakingisstoredintheHVbatterypack.TheinverterconvertsthehighvoltagedirectcurrentoftheHVbatteryintothree-phasealternatingcurrentofMG1andMG2.TheboostconverterbooststhenominalvoltageofDC201.6VthatisoutputbytheHVbatterytothemaximumvoltageofDC500V.Onthe'04Priusandlater,theTHS-IIgeneratoroutputsatnominalvoltageofDC201.6V.TheconverterisusedtotransformthevoltagefromDC201.6VtoDC12Vinordertorechargetheauxiliarybattery.⊿19/23HybridDriveAnA/Cinverter,whichsuppliespowerfordrivingtheelectricinvertercompressoroftheA/Csystem,hasbeenincludedintheinverterassembly.ThisinverterconvertstheHVbattery'snominalvoltageofDC201.6VintoAC201.6VandsuppliespowertooperatethecompressoroftheA/Csystem.HybridControlModesThehybridsystemusesvariousmodestoachievethemostefficientoperationinresponseto

thedrivingconditions.StartingOutWhenstartingoutunderlightloadandlightthrottleonlyMG2turnstoprovidepower.Theenginedoesnotrunandthevehiclerunsonelectricpoweronly.MG1rotatesbackwardsandjustidles;itdoesnotgenerateelectricity.⊿20/23HybridDriveNormalDrivingAboveapproximately14mphduringnormallow-speeddrivingtheenginerunsandprovides