纯电动汽车动力性能分析与计算

10252010916711815(2010)25635103ScienceTechnologyandEngineeringVol10No25Sep20102010SciTechEngng纯电动汽车动力性能分析与计算姚海峰王亚平陈以春任鑫(,210094)摘要对纯电动汽车车载电动机的动力特性进行了研究分析建立了纯电动汽车动力性能计算模型,并在MATLAB平台下开发了纯电动汽车动力性能仿真软件系统基于此软件系统选取三款不同动力特性的车载电动机与三组变速箱组合进行了仿真测试,对车载电动机额定转矩额定功率和最高转速对汽车最高车速爬坡性能以及加速性能的影响进行了归纳总结首次以方程形式建立了准确的纯电动汽车动力性能计算模型关键词纯电动汽车电动机驱动系统动力性能中图法分类号U46972;文献标志码A201063:(1983),,,,:,,[1],[2],1动力特性分析,,;,,,[3],(1)T=Tmax,n=nb9549Pmax,nnnb(1)(1),n,r/min;T,Nm;nb,r/min;Tmax,Nm;Pmax,kW(2):Ft=Tmaxitr,v=vb11459Pmaxtv,vvb(2)(2),Ft,N;v,km/h;vb,km/h;t,,(3)[4]:Ftmax!mgL-aL(3)(3),Ftmax,N;;L,m;a,m2动力性能计算模型,[5],(4),11459Pmaxtvmax=mgfr+CDAv2max2115(4)(4),vmax,km/h;fr;CD;A,m20vf,,vfvb(5),vfvb(6)t=∀vf0!mFt-Ff-Fwdv=∀vf0!mFt1-frmg-CDA(36v)22115dv(5)t=∀vb0!mFt2-frmg-CDA(36v)22115dv+∀vfvb!mFt2-frmg-CDA(36v)22115dv(6),!;m/s(5)(6)Ft1Ft2(7)(8)Ft1=minTmaxi1tr,mgL-aL(7)Ft2=min3183Pmaxtv,mgL-aL(8),v(7)(8)(9)∀=arcsinFt-Fwmg-fr1-Ft-Fwmg2+f2r1+f2r(9)3动力性能仿真计算31,,:1030kg,:21m2,:03,:028m,:2462m,:185m,:065,:09,(),:853,:642,:487;,:874,:611;,:553,:326,:120Nm,:16kW,:6500r/min;:104Nm,:25kW,:8000r/min;:123Nm,:32kW,:7500r/min32,GB/T183852005050km/h5080km/h0100km/h1(:km/h)102311223913442194116511996102351224134426352102(%)3179269632723271277233671941165119963(:s)933,1945,8535681,988,2998543,716,2114929,1953,8531672,987,3001536,716,21061049,1957,8651918,989,3246765,716,23354结论:(1),,(2),(3)(4)5080km/h,,1:20032EhsaniM,GaoYimin,,,:,2006:373RahmanZ,EhsaniM,ButlerKAninvestigationofelectricmotordrivecharacteristicsforEVandHEVpropulsionsystemsSocietyofAutomotiveEngineers(SAE)Journa,lWarrendale,PA,2003:144:20045,,:,2007AnalysisandCalculationofDynamicCharacteristicsforPEVYAOHaifeng,WANGYaping,CHENYichun,RENXin(SchoolofMechanicalandEngineering,NanjingUniversityofScienceandTechnology,Nanjing210094,PRChina)[Abstract]Thedynamiccharacteristicsofthemotorforpureelectricvehicles(PEV)hasbeenanalyzed,dynamicperformancemodelforpureelectricvehicleshasbeenestablished,andcorrespondingsimulationsoftwaresystemhasbeendevelopedonMatlabplatformBasedonthesoftware,threemotorsandthreegearboxsareintegratedtosimulatevehicle#srunningconditionTheeffectsoftorque,powerandmaximumrotatespeedofmotoruponthetractiveperformanceofpureelectricvehiclesareresearchedandsummarised,suchasthemaximumspeed,climbingperformanceandaccelerativeperformanceTheinnovationisthatdynamicperformanceforPEVareestablishedbyexactformulation.[Keywords]pureelectricvehiclemotordrivenpropulsionsystemdynamicperformance635325,: