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HYDROMECHATRONICSENGINEERING机床与液压DOI103969JISSN10013881201206009RESEARCHSURVEYOFHYDRAULICHYBRIDVEHICLESZHANGJIAN,LUONIANNING,JIANGJIHAI1SCHOOLOFMECHATRONICSENGINEERING,HARBININSTITUTEOFTECHNOLOGY,HARBIN150080,CHINA;2SCHOOLOFAUTOMOBILEENGINEERING,HARBININSTITUTEOFTECHNOLOGY,WEIHAI264209,CHINAABSTRACTTHISPAPERINTRODUCESTHEAPPLICATIONOFHYBRIDPOWERTECHNOLOGYINVEHICLESITANALYZESTHECHARACTERISTICSOFVEHICLESANDHYDRAULICHYBRIDVEHICLESANDMAINLYFOCUSESONTHEHYDRAULICHYBRIDVEHICLESACOMPREHENSIVESUMMARYOFHYDRAULICHYBRIDVEHICLESISGIVENBASEDONHYDROSTATICTRANSMISSIONTECHNIQUEWITHSECONDARYREGULATIONTHISPAPERPOINTSOUTTHEAPPLICATIONCONDITIONSAND印PLICATIONRANGEOFHYDRAULICHYBRIDPOWERTECHNOLOGYKEYWORDSHYBRIDPOWERTECHNOLOGY,SECONDARYREGULATION,HYDROSTATICTRANSMISSION1INTRODUCTIONASISKNOWN,THEDEVELOPMENTOFTHERMALINTERNALCOMBUSTIONENGINEVEHICLESISONEOFTHEGREATACHIEVEMENTSOFMODEMINDUSTRIALTECHNOLOGYTHEAUTOMOTIVEANDRELATEDINDUSTRYHASMADEGREATCONTFITIVEPLANBASEDONTHECURRENTTECHNOLOGYASANIMPORTANTBRANCHOFHYBRIDTECHNOLOGY,HYDRAULICHYBRIDAPPLIESSECONDARYREGULATIONHYDROSTATICTRANSMISSIONTECHNOLOGYTOAUXILIARYDRIVINGOFVEHICLEORCONSTRUCTIONMACHINERYITFEATURESHI【GHEQUENCYRESPONSE,HIGHPOWERDENSITY,SIMPLESYSTEMSTRUCTURE,COMPATIBLETECHNOLOGY,ANDREMARKABLEENERGYSAVINGANDEBUTIONSTOTHEDEVELOPMENTOFMODERNSOCIETYHOWMISSIONSREDUCTIONEFFECTITWILLBECOMETHEMAINEVER,THEHIGHSPEEDDEVELOPMENTOFTHEAUTOMOTIVEINDUSTRYANDWIDEAPPLICATIONOFAUTOMOBILESOVERTHEWORLDHAVEPRODUCEDSERIOUSPROBLEMSTHATCOULDTHREATENHUMANEXISTENCEATMOSPHERICPOLLUTIONCAUSEDBYAUTOMOTIVEEXHAUSTEMISSIONS,GLOBALWARMINGANDHUGECONSUMPTIONOFOILHAVEBECOMEPRIMARYPROBLEMSOFPUBLICCONCERNBEFOREFINDINGASAFE,STABLEANDCHEAPNEWENERGY,HYBRIDTECHNOLOGYTHATREDUCESENERGYCONSUMPTIONANDEMISSIONSISTHEMOSTREALISTICALTERNATECHNOLOGICALMEANSTOUPGRADEENERGYSAVINGTECHNOLOGYANDUPDATETHEDYNAMICSYSTEMOFTRADITIONALMIDDLEHEAVYVEHICLE2HYBRIDTECHNOLOGY21SUMMARYOFHYBRIDTECHNOLOGYHYBRIDTECHNOLOGYCOORDINATESSIMUHANEOUSLYTWOORMOREKINDSOFDIFFERENTENERGYORTIMESHARINGEXPOSPOWERHYBRIDVEHICLEISAKINDOFVEHICLERECEIVED20120218NATIONALNATURALSCIENCEKEYFOUNDATIONOFCHINA51035008;SCIENCEKEYFOUNDATIONOFZHEJIANGUNIVERSITYGZKF2008003;NATURALSCIENCEKEYFOUNDATIONOFSHANDONGZR2009FL002JIANGJIHAIPROFESSOREMAILJJHLXWHITEDUCN68HYDROMECHATRONICSENGINEERING机床与液压THATCARRIESTWOORMOREKINDSOFPOWERSOURCESBASEDHYBRIDVEHICLEISAKINDOFENERGYSAVINGANDENVIONOPERATIONREQUIREMENTSSIMULTANEOUSLYORTIMESHARONMENTALAUTOMOBILEWHICHISCONSIDEREDTOHAVETHERINGBYUSINGDIFFERENTPOWERSOURCEDRIVINGCOMPAREDWITHTHETRADITIONALVEHICLE,THEMOSTDISTINGUISHEDFEATUREOFHYBRIDVEHICLELIESINITSPOWERANDTRANSMISSIONSYSTEMGENERALLYTHEREAREATLEASTTWOBESTPROSPECTOFCOMMERCIALIZATIONUNDERTHECURRENTLEVELOFTECHNOLOGYHYBRIDTECHNOLOGYHASBECOMETHEBESTCHOICETOIMPROVEAUTOMOBILEFUELECONOMYBEFORETHECOMINGOFTHEHYDROGENENERGYAGE一”POWERSOURCESWITHTHEIRRESPECTIVEVEHICLESTATEENERTHEREASONTHATHYBRIDVEHICLESCANREALIZEENERGYSTORAGESYSTEMSINAHYBRIDVEHICLEONEOFTHEPOWERSOURCESISMAINLYRESPONSIBLEFORDRIVING,GYSAVINGANDEMISSIONREDUCTIONISTHATITCANRELYONAUTOMOBILERUNNINGCONDITIONSTOCHOOSEDIFFERENTOPCALLEDMAINPOWERUNITMPUMOSTMPUSAREERATIONMODESANDREALIZEEFFICIENCYOPTIMIZATIONOFTHERMALENGINESYSTEMTHEOTHERPOWERSOURCEISDRIVELINEITALSOCANRECLAIMTHEBRAKINGENERGYBYCALLEDASSISTANTPOWERSOURCEORASSISTANTPOWERUNITREGENERATIVEBRAKINGSYSTEMRBSTOIMPROVETHEAPUAPUSARENOTONLYHIGHLYEFFICIENT,RELIABLYTOTALEFFICIENCYOFVEHICLERECOVERABLEANDRELEASEBRAKINGENERGYWHENTHEVEHICLEBRAKESBUTALSOARECAPABLETOMAKETHEOPTITHEESSENCEOFHYBRIDVEHICLECANSIGNIFICANTLYDECREASEOILCONSUMPTION,WHICHISMAINLYREFLECTEDMUMREGULATIONOFENGINEOPERATINGPOINTREGULATORINTHEFOLLOWINGTHREEASPECTSORREGENERATOR,REGFORSHORTTHEREFORE,THEAPUMAKESENGINENOTBEAFFECTEDBYVEHICLEDRIVINGCYCLESANDALWAYSOPERATESATHIGHEFFICIENCYANDEEONOMICWORKINGAREABYAPPLYINGMODERNADVANCEDCONTROLTECHNOLOGYTOEVERYPOWERUNIT,WECANOPTIMIZEANDCOLLABORATETHEENTIRESYSTEMPOWERUNITSCOMPOUNDDRIVEVEHICLECANREALIZETHEBESTENERGYRBSRECOVERSBRAKINGENERGYTHATCANREDUCEENERGYLOSS;APUREDUCESTHEHIGHPEAKANDINHIBITSVALLEYTHATCANREDUCEINSTALLEDPOWER,RELATIVELYINCREASINGTHEECONOMICEFFICIENCY;REGREDUCESDYNAMICPROCESSESOFTHERMALENGINEANDCOULDOPTIMIZETHEOPERATINGPOINTOFTHERDISTRIBUTIONANDREDUCEFUELCONSUMPTIONEFFECTIVELYMALENGINEACCORDINGTOTHEPRESENTSTUDIES,THERMALEFFICIENCYOFHYBRIDVEHICLEEARIMPROVEATLEASTBY10,ANDTHEREARETHREEWAYSFORAHYBRIDVEHICLETOREDUEETHEAUTOMOTIVEEXHAUSTEMISSIONTHEYAREASTHEEXHAUSTEMISSIONCANBEREDUCEDBY30引FOLLOWSCOMPAREDWITHCONVENTIONALFUELVEHICLEANDPUREELEETRICVEHIC|E,HYBRIDVEHICLEHASANOBVIOUSEFFECTONENERGYSAVINGANDEMISSIONREDUCTIONCOMPATIBLETOINDUSTRIALSTRUCTUREITSCHARACTERISTICSINCLUDEHIGHPERFORMANCE,LOWENERGYCONSUMPTIONANDLOWPOLLUTIONTHEREFORE,ITHASOBVIOUSADVANTAGESINTHEIMPROVEMENTOFECONOMICEFFICIENCYDIRECTLYREDUCESEMISSIONS;THEOPTIMIZATIONOFOPERATINGPOINTFORATHERMALENGINEDIRECTLYDECREASESPOLLUTANTEMISSIONS;RELATIVELYSTABLEDYNAMICPROCESSESOFTHERMALENGINEREDUCESTHETECHNICALDIFFICULTYOFPOSTTECHNOLOGY,ECONOMICANDENVIRONMENTALASPECTSETCTREATMENTOFVEHICLEEMISSIONZHANGJIAN,ETALRESEARCHSUEYOFHYDRAULICHYBRIDVEHICLES69THEREEXISTMANYCLASSIFICATIONMETHODSFORTHEHYBRIDVEHICLESTHEFOLLOWINGTHREEMETHODSARECOMMONLYUSEDBASEDONTHEPERFORMANCEOFAPUANDTHEVEHICLEENERGYSTORAGESYSTEM,HYBRIDVEHICLEISCLASSIFIEDASHYBRIDELECTRICVEHICLEHEVANDHYDRAULICHYBRIDVEHICLEHHVACCORDINGTOTHECOUPLINGRELATIONSHIPOFAPU,HYBRIDVEHICLEISCLASSIFIEDASSERIES,PARALLEL,PARALLELSERIESANDCOMPOUNDHYBRID,DEPENDINGONTHEPROPORTIONOFASSISTANTPOWERMITSUBISHIMOTORSHAVERELEASEDHYBRIDVEHICLEONEAFTERANOTHERWITHTIVELY,一THERESEARCHMAINLYFOCUSEDONTHEIROWNSPECIALFEATURES,RESPECACTIVITIESONHYBRIDVEHICLEAREHYBRIDELECTRICVEHICLEINCHINAMOSTOFTHEMAREBASEDONTHEPARALLELTYPE,WHICHHAVELOWINTEGRATIONLEVELOFTECHNOLOGYANDREQUIREHIGHAUTOMATIONINCONTROLSYSTEMANDENERGYMANAGEMENTSYSTEMAGAPINTECHNOLOGICALLEVELSEXISTSINAPOWERSYSTEM,HYBRIDVEHICLEISCLASSIFIEDASABETWEENCHINESEVEHICLESANDINTERNATI0NALONESWEAKMIXING,MIDDLEMIXINGANDSTRONGMIXING,23HYDRAULICHYBRIDVEHICLE22HYBDELECTRICVEHICLEHYDRAULICHYBRIDVEHICLEISAKINDOFHYBRIDVEAPUOFHYBRIDELECTRICVEHICLEISCOMPOSEDOFHICLEWHICHAPPLIESSECONDARYREGULATIONHYDROSTATICMOTORANDPOWERSTORAGEDEVICESIE,BATTERY,SUTRANSMISSIONTECHNOLOGYTOAUXILIARYDRIVINGOFVEHIPERCAPACITORANDFLYWHEELGENERATORITOVERCOMESCLETHEAPUOFHHVISCOMPOSEDOFHYDRAULICDRIVEALLTHEDISADVANTAGESOFBOTHTRADITIONALAUTOMOBILEANDPUREELECTRICVEHICLE,ANDCOMBINESTHEADVANTAGESOFTHERMALENGINEIE,LONGWORKINGHOURSANDSYSTEMWHICHINCLUDESENERGYCONVERSIONCOMPONENTHYDRAULICPUMPMOTORANDENERGYSTORAGEELEMENTHYDRAULICACCUMULATORTHEWORKINGPRINCIPLEOFGOODDRIVEPERFORMANCEANDMOTORIE,NONPOLLUHHVISSIMILARTOTHATOFHEV,WHICHUSESTHECHARTIONANDLOWNOISE1,THEORIGINALPURPOSEOFHYBRIDTECHNOLOGYISNOTTOREDUCEFUELCONSUMPTION,BUTTOASSISTSMALLINTERNALCOMBUSTIONENGINESORPROLONGTHEENDURANCEMILEAGEOFPUREELECTRICVEHICLESJAPANFIRSTSUCCEEDEDINCOMMERCIALIZINGTHEHYBRIDTECHNOLOGYIN1997,TOYOTAMOTORCORPORATIONPROMOTEDTHEHYBRIDELECTRICCARCALLEDPRIUSMEANWHILE,HONDAMOTORCORPORATIONPUSHEDOUTINSIGHTANDCIVICATTHEENDOF2006,HYBRIDVEHICLESOFTOYOTASTHSANDHONDASIMAHADASALESVOLUMEMORETHAN600000RAPIDDEVELOPMENTOFHYBRIDTECHNOLOGYWORLDWIDE,ACTERISTICOFHYDRAULICPUMPMOTORWORKINGINFOURQUADRANTTOREGULATEPOWERPEAKOFMPUANDREALIZESREGENERATIONBRAKINGHYDRAULICPUMPMOTORCANDRIVETHEVEHICLEALONEORSIMULTANEOUSLYORCOMBINETHETRADITIONALINTERNALCOMBUSTIONENGINEWHENTHEVEHICLEISRUNNINGHYDRAULICPUMPTRANSFORMSTHEKINETICENERGYOFVEHICLEINTOHYDRAULICENERGYANDSTORESITINHYDRAULICACCUMULATORWHENTHEVEHICLEBRAKESANDDECELERATESDURINGSUBSEQUENTACCELERATIONORINANORMALDRIVINGCYCLE,HYDRAULICENERGYISRELEASEDBYHYDRAULICMOTORTOASSISTTHEENGINEORSEPARATELYDRIVETHEVEHICLETHELEADINGROLEOFJAPANESETOYOTAANDHONDAISBEFROMTHEEFFECTOFAPUINPOWERSYSTEM,THEESINGBROKENGENERALMOTORS,DAIMLERCHRYSLER,VOLKSENTIALFUNCTIONOFAPUISENERGYCONVERSIONANDTEMSWAGEN,CITROEN,RENAULT,BMW,NISSANANDPORARYSTORAGETHEPERFORMANCEOFENERGYCONVERSION70HYDROMECHATRONICSENGINEERING机床与液压COMPONENTANDENERGYSTORAGEELEMENTMAINLYDETERMINESTHETOTALEFFICIENCYOFHYBRIDVEHICLE,DIRECTLYINFLUENCESTHEEFFECTOFENERGYSAVINGANDEMISSIONREDUCTIONTHEREISNOSIGNIFICANTDIFFERENCEBETWEENTHEEFFICIENCYOFHYDRAULICPUMPMOTORANDTHEEFFICIENCYOFMOTORGENERATOR,THEYAREALLABOUT8090一THROUGHCOMPARISONOFEFFICIENCYOF100010010薹I101矗001100100010000LO00001000000POWERDENSITY,WKGTRANSITIONEQUIPMENT1ITTLEDIFFERENCEISOBSERVEDFIG1E“。RGYD。“ITY“DP。RDYC。MPRI鲫。FACCORDINGTORESEARCHRESULTS,THEHYDRAULICACCUMULATORAPPLIESMOLECULARPOTENTIALENERGYTOSTORETHEENERGY,ANDTHISKINDOFENERGYSTORAGEBELONGSTOTHEMECHANICALSTORAGEMODEITISNOTLIKETHEBATTERYSTORAGEWHICHHASTHERESTRICTIONOFCHARGEACCEPTANCEANDTHEEFFECTOFMULTIPLEDIFFERENTPROPERTYENERGYCONVEMIONEFFICIENCYCHEMICALENERGYELECTRICENERGYMECHANICALENERGYTHECYCLEEFFICIENCYOFHYDRAULICACCUMULATORCOULDREACHTO97RRHEFASTCHARGEDISCHARGEPERFORMANCEOFHYDRAULICACCUMULATORISSUITABLEFORRECOVERINGANDRELEASINGALOTOFENERGY12L00806O402ODIFFERENTENERGYSTORAGEELEMENTSHYDRAULICNIHZEBRASUPERACCUMULATORBATTERYBATTERYCAPACITORSYSTEMSYSTEMSYSTEMSYSTEMFIG2ENERGYCYCLEEFFICIENCYCOMPARISONOFHYDRAULICSTORAGESYSTEMINASHORTTIMECOMPAREDWITHCURRENTPRACTICALENERHHVCANBEVIEWEDASTHECOMBINATION0FMPUGYSTORAGEELEMENTOFTHEHYBRIDSYSTEM,HYDRAULICACCUMULATORHASSOMEFEATURESSUCHASHIGHPOWERDENSITY,LESSPOLLUTION,HIGHEFFICIENCY,LONGSERVICELIFE,SIMPLIFIEDDEVICEANDRELIABLEPERFORMANCE13,24。3FIG1ANDFIG2_L4I_30COMPARETHEPERFORMANCEOFVARIOUSKINDSOFAVAILABLEENERGYSTORAGEELEMENTSTABLELSHOWSTHATVEHICLEBRAKEENERGYCONSUMPTIONISMORETHAN25WHENAVEHICLEISDRIVENINURBANCONDITIONS,ANDNEARLY70INTRAFFICJAMSTHEREFORE,CHARGEDISCHARGEPERFORMANCEOFENERGYSTORAGEEMENT,WHICHDIRECTLYAFFECTSTHERATEOFBRAKINGENERGYREGENERATIONANDITSCYCLEEFFICIENCY,PLAYSADOMINANTROLETOIMPROVETHEFUELEFFICIENCYANDAPU,WHICHISINTERNALCOMBUSTIONENGINEWITHHIGHERENERGYDENSITYCOUPLEDWITHHYDRAULICASSISTANTUNITANDHIGHERPOWERDENSITYITNOTONLYPOSSESSESTRAITSOFTHEINTERNALCOMBUSTIONENGINESUCHASLONGCONTINUOUSOPERATION,CONVENIENTANDFASTENERGYSUPPLY,BUTALSOITSHYDRAULICTRANSMISSIONHASHIGHPOWERDENSITYANDSTRONGCHARGEDISCHARGEPERFORMANCEOFHYDRAULICACCUMULATORWHATSWORTHNOTINGISTHEHYDRAULICASSISTANTUNITHASHIGHPOWERDENSITYANDFASTERRESPONSETHANINTERNALCOMBUSTIONENGINE;ITCANDEALWITHENER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