ξEMCA2009,36(1)1,2,1,2(1.,430000;2.,430019):(BLDCM),BLDCM,MATLAB7.0/Simulink,BLDCM:BLDCM,,;,,:;;;:TM301.2TM33:A:167326540(2009)0120016204SimulationandControlofBrushlessDCMotorinElectricVehicleDrivesWEIGuo2ai1,2,QUANShu2hai1,ZHUZhong2ni2(1.WuhanUniversityofTechnology,Wuhan430000,China;2.AirForceRadarAcademy,Wuhan430019,China)Abstract:ThedynamicsimulatingmodelofbrushlessDCmotor(BLDCM)wasestablished,anditsstructureofadjustspeedcontrolsystemwasconfirmedbyanalyzingitsmathematicmodel,soitsimulatestheresponsewaveofstepinputsignalofBLDCManditsdoubleclosed2loopadjustspeedcontrolsystemusingMATLAB7.0/Simulink.ThesimulationshowsthatthemechanicalcharacteristicofBLDCMissoft,butitisimprovedafterusingdoubleclosed2loopadjustspeedcontrolsystem.Onthesideitsoutputspeedfollowsinputsignalchangesquickly,andithasbetterstabilityandstrongeranti2interfereability.Soitsuitsthedemandsofelectricvehicle(EV).Andtheresultisconsistentwiththeory.Keywords:brushlessDCmotor(BLDCM);electricvehicle(EV)drives;controlsystem;simulation0,,,:(PMDCM)(IM)(PMSM),(BLDCM)BLDCM,,(),;,BLDCM[3]BLDCM,BLDCM,;MATLAB7.0/Simulink,BLDCM1BLDCM1.1BLDCMBLDCMPMSM(WM)YMSM6PP12009,36(1)ξEMCA11BLDCMBLDCM,,,BLDCM,dq,1.2BLDCM,:;;;,120;,;,L,MBLDCM,uAuBuC=Rs000Rs000RsiAiBiC+LsLmLmLmLsLmLmLmLspiAiBiC+eAeBeC(1):uAuBuC;iAiBiC;eAeBeC;Rs;Ls;Lm;p,p=ddtiA+iB+iC=0,LmiB+LmiC=-LmiAL+L=LBL+LB=L()(2)(1):uAuBuC=Rs000Rs000RsiAiBiC+Ls-Lm000Ls-Lm000Ls-LmpiAiBiC+eAeBeC(3)1.3BLDCMPWM,1V1V6,AB,C,iA=-iB=IP,iC=0,eA=-eB,(1)BLDCMuA-uB=2RsIP+2(Ls-Lm)pIp+2eA(4):Ip;(uA-uB)ABPWM,D,uA-uB=DUd,(4):2RsIP+2(Ls-Lm)pIp=DUd-2eA(5)pIp=-1T1IP-eALs-Lm+DUd2(Ls-Lm)(6):T1=Ls-LmRs,eA=-eB=keTe=nP(eAiA+eBiB)=2nPkeIpp=nPJ(Te-TL)(7)(5)(7),BLDCM:=n2PJ2keIP-nPJTLIp=-1T1IP-keLs-Lm+DUd2(Ls-Lm)(8)(5)(8),BLDCM()[26]miCmiA-mimiAmi-miC22471ξEMCA2009,36(1)2BLDCM,BLDCM:G(s)=2n2PkeJRsT1s2+JRss+2n2Pk2e2BLDCMMATLAB/SimulinkBLD2CM,:Ud=48V,nN=900r/min,Rs=0.125,Ls=5.24mH,Lm=1.49mH,J=0.18kgm2,np=1BLDCM33(a)(d),2s50Nm;3(e)(f)(a)2s50Nm(b)2s50Nm(c)2s50Nm(d)2s50Nm(e)2s60Nm(f)2s60Nm3BLDCM,2s60Nm3:BLDCM0.5s,;2s,,,0.5s3:(50Nm,60Nm),(),,,;3()3(),BLDM;3()3(),BLDM3(d)3(f):910r/min,50Nm,410r/min;60Nm,380r/min,,,BLDM,acCbdCC812009,36(1)ξEMCA3BLDCM(8),BLDCM:IpBLD2CM,4BLDCM,,U3(s)4BLDCMUn(s)En(s)GASR,U3i(s),Ui(s)GACR,Uc(s)PWM,PWMDBLDCMDUd(s),BLDCM,BLDCM,PI,U3im,Ucm,,GASRGACRMATLAB/SimulinkBLD2CM()BLDCM55(a)(b)2s50Nm;5(c)(d)2s(a)2s50Nm(b)2s50Nm(c)2s60Nm(d)2s60Nm(e)2s50Nm4s60Nm(f)0s50Nm2s60Nm5BLDM(36)C91ξEMCA2009,36(1)VisualBas2ic6.0,[1],,.[J].,2007,40(6):76279.[2].SPWM[D].:,2004.[3]JiaWu,FredCLee.Eliminationoflow2frequencyharmonicscausedbyPWMinathree2phasesoft2switchedboostrectifier[C]//IEEETransactionsonIndustryApplications,2002,38(2):4832488.[4].[J].,2008,43(3):627.[5],.[J].,2003(3):42244.[6],,,.CAD[C]//,2001(13):90293.[7],.[J].,2001(4):628.[8],.[J].,2007,42(1):44248.[9],.[J].,2004,24(7):1942199.[10].[J].,2006,29(3):20221.:2008208231(19)60Nm;5(e)2s50Nm4s60Nm;5(f)0s50Nm2s60Nm5:2s,,,2s,(910r/min);50Nm60Nm,,BLDCM,;,,,(),;,,,,,,,,BLDM,,,();,BLDCMPMSM,,,BLDCM,,[1].[J].,2003,20(5):1182122.[2],.[J].,2007(2):35237.[3],.BLDCM[J].,2004,19(5):17221.[4].[M].:,2003.[5],.[M].:,2006.[6],.[M].:,2006.:2007208214634C