The Technology Characteristics and Development Pro

TheTechnologyCharacteristicsandDevelopmentProspectofHybridElectricVehicle报告人：傅煜学号：1434474Catalogue1234CharacteristicsofnewenergyvehicleStructuralfeaturesofHEVsystemKeytechnologiesneedtobesolvedProspectforthefuturedevelopmentnewenergyvehicleCharacteristicsofnewenergyvehicleElectricvehicleusebatteryasapowersourceanddependonhighpowermotortosupplypower.usefuelcelltochangethechemicalenergyintotheelectricpowerenergythroughchemicalreactionequipwithmorethanoneenergyconvertersprovidingthedrivingpowerFuelCellElectricVehicle(FCEV)HybridElectricVehicle(HEV)theonlypowersourceofEVisthebatteryElectricVehicle(EV)CharacteristicsofnewenergyvehicleAdvantageDisadvantageEVzeroemissionlownoisehavingpollutionduringtheBatterymanufacturingprocesslowbatteryenergydensityshortcruisingrangeFCEVhighenergyconversionefficiencynopollution,noiseandvibrationlongservicelifelowbatteryenergydensityhydrogenstorageandsafetyissueshighcostofconstrustionHEVlittlelimitationofcruisingrangegoodfuelconsumptionandexhaustemissionnotmaturetechnologyhighcostofconstrustionnotfuelefficientatahighspeedforalongtimeCatalogue1234CharacteristicsofnewenergyvehicleStructuralfeaturesofHEVsystemKeytechnologiesneedtobesolvedProspectforthefuturedevelopmentStructuralfeaturesofHEVsystemThepowersystemofcurrentHEVgenerallyconsistsofinternalcombustionengineandmotor,whichcombinestheadvantagesoftraditionalvehicleandelectricvehicle.motorengineStructuralfeaturesofHEVsystemDependingonthestructureofpowersystem,HEVcanbeclassifiedas3types:SeriesHybridElectricVehicle(SHEV)ParallelHybridElectricVehicle(PHEV)Series-ParallelHybridElectricVehicle(SPHEV)StructuralfeaturesofHEVsystemSHEVenginebatterygeneratormotorinverterAdvantageDisadvantagesuitedtothelowspeedrunningconditioninthecity.simplecontrolsystemandstructure.lowtotalefficiencyinthetransformationprocessbetweenheat,electricityandmechanicalenergy.bigsizeandmassStructuralfeaturesofHEVsystemSHEVenginebatterygeneratormotorinvertersuitedtothelowspeedrunningconditioninthecity.simplecontrolsystemandstructure.lowtotalefficiencyinthetransformationprocessbetweenheat,electricityandmechanicalenergy.bigsizeandmassAdvantageDisadvantagerepresentativevehicle:ChevoletVolt,BYDF3StructuralfeaturesofHEVsystemPHEVenginebatterymotorinvertersuitedtothestableconditiononthehighwayandroadsbetwwencities.highenergyefficiency.complicatedtransmissionsystemnotsuitedtofrequent-changedrivingconditionAdvantageDisadvantagecouplerStructuralfeaturesofHEVsystemPHEVenginebatterymotorinvertersuitedtothestableconditiononthehighwayandroadsbetwwencities.highenergyefficiency.complicatedtransmissionsystemnotsuitedtofrequent-changedrivingconditionAdvantageDisadvantagecouplerrepresentativevehicle:HondaCR-Z,BuickLacrosseeAssistStructuralfeaturesofHEVsystemSPHEVenginebatterymotorinverterhigherthermalefficiencyandlowerexhaustpollutionmostcomplicatedcontrolsystemandmechanicalstructurehighcostofconstructionAdvantageDisadvantageplanetarygeargeneratorStructuralfeaturesofHEVsystemSPHEVenginebatterymotorinverterhigherthermalefficiencyandlowerexhaustpollutionmostcomplicatedcontrolsystemandmechanicalstructurehighcostofconstructionAdvantageDisadvantageplanetarygeargeneratorrepresentativevehicle:ToyotaPrius,LexusCT200hCatalogue1234CharacteristicsofnewenergyvehicleStructuralfeaturesofHEVsystemKeytechnologiesneedtobesolvedProspectforthefuturedevelopmentKeytechnologiesneedtobesolvedCurrentresearchonhybridpowerunitismainlyfocusingonthreeaspects:1.Optimizationofcombustionsystem.2.Tailgastreatmenttechnology3.Researchonalternativefuels.HybridpowerunittechnologyEnergystoragedeviceresearchshouldincludethefollowingcontents:1.Thestudyonbatteryinternalconnection,testing,monitoringandsupportmechanism.2.Improvementofbatterydesignandmanufacture.3.Thebatterythermalmanagementandremainingpowermanagement.EnergystoragetechnologyDevelopmentandoptimizationofcontrolsystemisthemostimportantlinkinthehybridpowersystem.Dependingonthecollecteddata,controlsystemcanrealizethecontrolofwholevehicle.Forexzemple,achievingtheoptimalcouplingpowerallocationratiobetweenengineandmotor.IntegratedpowerelectronicsmoduletechnologyCatalogue1234CharacteristicsofnewenergyvehicleStructuralfeaturesofHEVsystemKeytechnologiesneedtobesolvedProspectforthefuturedevelopmentProspectforthefuturedevelopmentOnthebasisofexistingtechnology,HEVachievesthepurposeofimprovingfueleconomyandreducingemissions,resultinginhavingdevelopmentprospecttobecometheindispensablecomponentofthevehiclemarketinthefuture.Computertechnology,automationtechnologyandvariouskindsofintelligentcontrolsystemaregraduallyappliedinHEV,whichwillfurtherpromotethedevelopmentofHEV.