应用复合电源的轻度混合动力汽车的参数匹配

392()Vol.39No.220093JournalofJilinUniversity(EngineeringandTechnologyEdition)Mar.2009:2007204215.:(20060540);(402005).:(19782),,.:.E2mail:[e-mail]:(19522),,,.:.E2mail:[e-mail],,,(,130022):,,,,,,,,:;;;:U463.2:A:167125497(2009)0220281205ParametermatchingofmildhybridelectricvehiclewithcompoundpowersupplyYUYuan2bin,WANGQing2nian,WANGWei2hua,ZENGXiao2hua(StateKeyLaboratoryofAutomobileDynamicSimulation,JilinUniversity,Changchun130022,China)Abstract:Inordertoreducethehighcostofthehybridelectricvehicle(HEV)andprolongitsbatterylifespan,amildHEVwithacompoundpowersupplywassuggested.ThefueleconomyofthemildHEVcanbeimprovedbystoppingthevehicledrivingwithouttheengineidlingandregeneratingthebrakingenergy.Thetimerequiredforgearshiftingcanbeshortenedbecauseofthemotoractivesynchronizingtechnique.Thesupercapacitorwithhighpowerdensityandlonglifespanwasusedtoformacompoundpowersupplywiththebatterytobufferthepowerloadofbatterytoprolongitslifespan.TheparametermatchingwasperformedforthepowerdrivecomponentsofthemildHEVandvalidatedbysimulationanalysis.ThefeasibilityofapplyingthecompoundpowersupplysysteminthemildHEVwassummarized.Keywords:vehicleengineering;hybridelectricvehicle(HEV);compoundpowersupply;parametermatching,(hev),ISG(42V)(hev),[1],,()39,,,,,[2,3],,,,,,,,,,,,11.1:180km/h;6.5l/100km;50km/h30%;0100km/h15s;2km;1500kg;A2.0m2;CD0.33511Fig.1Schematicofthehevwithsynergicsystem1.2,,,,;,;,,;DC/DC,,22.1,,[425]Pmax1=vmax3600tmgf+CDAv2max21.15(1)Pmax2=vi3600tmgfcosmax+mgsinmax+CDAv2i21.15(2)Pmax3=f(T,vt)=mv2t360t1-T-0.1Tx+mgfvt3600t+CDA76140tv3t(3):vmax;t,t=cltcgbfd,cl,tc,gb,fd;f;max=tan-1(imax/100);x,0.5,,:v=vm(t/tm)x,tmvm11Table1Enginepowerrequirementsofeachdesignobjects/kW6055642.2,PmTm[6]Pm=11000tstartidle0Jeede+Tdidle1000(4)in=0+TinJM+J1+dt(5)2822,:Pb=IV=Pmcm]IMAX=PmcmV(6):Je,kgm2;tstart,s;eidle,rad/s;Td,Nm;in;0;Tin;JM;J1;;mc;IMAXV24PmTm,,6kW2PmFig.2RelationshipbetweenPmandenginestart2uptime3TmFig.3RelationshipbetweenTmandsynchronizationtime4TmFig.4RelationbetweenTmandbatterycurrent0.3s,0.2s;,2PmNEDCCYCtypic,5,2PmTable2InfluenceofPmonfueleconomyanddynamics(l/100km)/kW6810NEDC6.16.05.9CYCtypic5.85.75.6/s0100km/h14.51413.560100km/h5.25.15(a)NEDC(b)CYCtypic5hevNEDCCYCtypicFig.5SimulationresultsofthehevundercycleofNEDCandCYCtypic382()39,,,33Table3Resultsofengineandmotorparametersdesign/63kW/5500rmin-1/145Nm/18002200rmin-15500rmin-1258g/kWh0.1kgm2/3/6kW36V28.6Nm/6000/2000rmin-193%0.006kgm23,DC/DCbuck/boost,,,[7]Pbat=PmrHLP=Pmr1-e-t/(7)Pscap=Pmr-Pbat=Pmr-e-t/(8):,10s;t;Pmr;Pbat;Pscap3.1,,4,EPmax,3C,,3030Ah4Table4StatisticsofthetwocyclesE/WhPmax/kW//s/NEDC923.31329810CYCtypic982.13429942,,SOC0.70.6,30Ah30km/h,2.54km,2C3.2,,2.5V500F3611.72Wh,Vmax90VVmax1/2Vmax,8.8Wh,6kW5s3kW15s5,60Ah,,5,104.955Table5Parametersdesignresultsofsynergicsystem/V/kg/L/30Ah1.23025223000500F2.53612103200DC/DC6kW45903042103l480060Ah1.230504.551750,hev6.15.8L,0100km/h14.5s,183.4km/h60Ahhev6.3866.425L;63kW7.57.73Lhev,hev4.67%10.77%,,22.95%33.3%5Advisorsoc,4822,:,,4(1),,,(2),,(3),,,,(4)NEDCCYCtypic,:[1]CampbellRobertJ,RajashekaraKaushik.Evalua2tionofpowerdevicesforautomotivehybridand42Vbasedsystems[C]SAEPaper,200420121682.[2]MarkelTony,ZolotMatthew,WipkeKeithB,etal.Energystoragesystemrequirementforhybridfuelcellvehicles[C]AdvancedAutomotiveBatteryConferenceNice,France,2003.[3]GaoLi2jun.FuelCELL/BATTERY/SUPERCA2PACITORHYBRIDpowersourcesforelectricve2hicles[C]PaperforDoctorofPhilosophy,Depart2mentofElectricalEngineering,CollegeofEngi2neeringandInformationTechnology,UniversityofSouthCarolina,2003.[4][].[M].:,1998.[5],,,.[J].,2000,30(1):72275.WangQing2nian,HeHong2wen,LiYou2de,etal.Studyonparametermatchingforparallelhybride2lectricvehiclepowertrain[J].NaturalScienceJournalofJilinUniversityofTechnology,2000,30(1):72275.[6],,.[J].:,2006,36(2):1532156.LiuZhi2ru,WangQing2nian,WangGuang2ping.Activecontrolduringshiftinginhybridelectricvehi2cle[J].JournalofJilinUniversity(EngineeringandTechnologyEdition),2006,36(2):1532156.[7],.Advisor[J].:,2005,35(4):3532357.YuYuan2bin,WangQing2nian.RedevelopmentofHEVsimulationsoftwarebasedonadvisorforHEVwithsynergicelectricpowersupplysystem[J].JournalofJilinUniversity(EngineeringandTechnol2ogyEdition),2005,35(4):3532357.582