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1、DevelopmentofIntegratedMotorAssistHybridSystem:Developmentofthe‘Insight’,aPersonalHybridCoupeKaoruAoki,ShigetakaKuroda,ShigemasaKajiwara,HiromitsuSatoandYoshioYamamotoHondaR&DCo.,Ltd.Copyright©2000SocietyofAutomotiveEngineers,Inc.ABSTRACTThispaperpresentsthetechnicalapproachusedtodesig
2、nanddevelopthepowerplantfortheHondaInsight,anewmotorassisthybridvehiclewithanoveralldevelopmentobjectiveofjusthalfthefuelconsumptionofthecurrentCivicoverawiderangeofdrivingconditions.Fuelconsumptionof35km/L(Japanese10-15mode),and3.4L/100km(98/69/EC)wasrealized.Toachievethis,anewIntegra
3、tedMotorAssist(IMA)hybridpowerplantsystemwasdeveloped,incorporatingmanynewtechnologiesforpackagingandintegratingthemotorassistsystemandforimprovingenginethermalefficiency.Thiswasdevelopedincombinationwithanewlightweightaluminumbodywithlowaerodynamicresistance.Environmentalperformancego
4、alsalsoincludedthesimultaneousachievementoflowemissions(halftheJapaneseyear2000standards,andhalftheEU2000standards),highefficiency,andrecyclability.Fullconsiderationwasalsogiventokeyconsumerattributes,includingcrashsafetyperformance,handling,anddrivingperformance.1.INTRODUCTIONToreduce
5、theautomobile’simpactonsocietyandtheenvironmentrequiresthatitbeincreasinglycleanerandmoreenergyefficient.Theissuesofenergyconservation,ambientairquality,andreductioninCO2emissionsareincreasingraisedasglobalenvironmentalconcerns.Onesolutionfordealingwiththeseissuesisthehybridautomobile.
6、HondahasdevelopedandintroducedtoseveralmajormarketsworldwidetheInsight,anewgenerationofvehicledesign.TheInsightcombinesahybridpowertrainwithadvancedbodytechnologyfeaturestomeetanoverallgoalofachievingthehighestfueleconomypractical.Thehybridpowertrainisamotorassistparallelconfiguration,
7、termedIMAfor‘IntegratedMotorAssist’.ThispowertraincombinesahighlyefficientelectricmotorwithanewsmalldisplacementVTECengine,alightweightaluminumbody,andimprovedaerodynamicstorealize3.4L/100km(CO2:80g/km)on98/69/ECfueleconomy.Lowemissionsperformancewasalsotargetedwithemissionlevelsachi