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PMSM,,(,710048):(PMSM),,,,,:;;;:TM351:AResearchonSensorlessPMSMControlSystemwithFluctuatingHighFrequencySignalInjectionXUYan2ping,WANGHai2yin,ZHONGYan2ru(ElectricalEngineeringDepartment,XianUniversityofTechnology,Xian710048,Shaanxi,China)Abstract:Themechanicaltransducersbringlotsofproblemssuchashighcosts,lessreliabilityandnoteasytobemaintainedfortheoperationofpermanentmagnetsynchronousmotors(PMSM).FluctuatinghighfrequencysignalinjectionmethodwasusedtorealizethesensorlessPMSMvectorcontrol.WhenfluctuatinghighfrequencyvoltagesignalsareinjectedintothestatorcoilsofPMSM,thecorrespondinghighfrequencycurrentresponsewithrotorpositioninformationaremeasuredusingthesaliencyofPMSMandrotorpositioncanbeextracted.Experimentalresultsshowthefeasibilityandvalidityofthismethod.Keywords:permanentmagnetsynchronousmotor(PMSM);fluctuatinghighfrequencyvoltagesignal;sali2ency;sensorless:(1977-),,,,Email:prc_xyp@126.com1,(PMSM),,,,,[1],3:[2,3],,;[4,5],,,;[69],,,,,PMSM,,,11ELECTRICDRIVE2009Vol.39No.120093912,PMSM2.1PMSM,drqrdrqr,11Fig.1Relationshipbetweentheactualrotoraxisandestimatedrotoraxis1,,r,rdrqrdrqrr:r=r-r(1),,RL,VrdshVrqsh=Zrdh00Zrqhirdshirqsh(2):Vrdsh,Vrqshdrqr;irdsh,irqshdrqr;Zrdh,Zrqhdrqr(1)(2)irdsh=1ZrdhZrqh{[Zavg-Zdiffcos(2r)]Vrdsh-[Zdiffsin(2r)]Vrqsh}(3)irqsh=1ZrdhZrqh{[Zavg+Zdiffcos(2r)]Vrqsh-[Zdiffsin(2r)]Vrdsh}(4):Zavg,Zavg=(Zrdh+Zrqh)/2;Zdiff,Zdiff=(Zrdh-Zrqh)/2;Vrdsh,Vrqshdrqr;irdsh,irqshdrqr(3)(4),dr,Vrqsh=0,r,qrirqsh,,drdrqrdr,2.2,drVrdsh=Vinjcos(ht)Vrqsh=0(5):h;Vinj(5)(4)qrirqsh=Vinjcos(ht)ZrdhZrqh[-Zdiffsin(2r)](6),,,qrirqsh=Vinjsin(2r)2hLdhLqhhLdiffsin(ht)(7):Ldh,Lqhdrqr;Ldiff=(Ldh-Lqh)/2(7),irqshr,sin(ht),irqshsin(ht),LPF,irir=LPF[irqshsin(ht)]=LPF{Vinjsin(2r)2hLdhLqh[hLdiff2+hLdiff2cos(2ht)]}=VinjLdiff2hLdhLqhsin(2r)(8)(8),,sin(2r)2rir,,2,qrBPFirqsh,sin(ht)212009391,:PMSM,LPFirPIPIrr2Fig.2Blockdiagramoffluctuatinghighfrequencysignalinjectionmethod2.3PMSMPMSM33PMSMFig.3BlockdiagramofPMSMsensorlessvectorcontrolbasedonthemethodoffluctuatinghighfrequencysignalinjection3,PMSM:4,200V,1.5kW,0.00123kgm2,7.15Nm,133Hz,9.4A,2000r/minTMS320F2812PMSM,25006kHzPWMSVPWM(PWM),(26.58A)750Hz,1%,,,,4%6%474265r/min4a;4b;4c4,,4265r/minFig.4Experimentalresultsofcontrolsystemwith265r/min5150r/min,1.8Nm,,,150r/min,,,,,,,5150r/minFig.5Experimentalresultswithloadstepat150r/min31,:PMSM200939163.2Nm450r/min,,6450r/minFig.6Experimentalresultswithloadat450r/min7,300r/min,225r/min,,225r/min300r/min,,300r/min,,7Fig.7Experimentalresultswithchangeofspeedcommand,,,,,,,;,,;DSP,4,,,[1].[M].:,2002.[2]MatsuiN,ShigyoM.BrushlessDCMotorControlWithoutPositionandSpeedSensor[J].IEEETrans.onInd.Appl.,1992,28(1):120-127.[3]MorimotoS,KawamotoK,SanadaM,etal.SensorlessControlStrategyforSalient2polePMSMBasedonExtendedEMFinRotatingReferenceFrame[J].IEEETrans.onInd.Appl.,2002,38(4):1054-1061.[4]BolognaniS,ZigliottoM,ZordanM.ExtendedRangePMSMSensorlessSpeedDriveBasedonStochasticFilte2ring[J].IEEETrans.onPowerElectronics,2001,16(1):110-117.[5]BoganiT,LidozziA,SoleroL.SynergeticControlofPMSMDrivesforHighDynamicApplications[C]IEEEInternationalConferenceonElectricMachinesandDrives,2005:710-717.[6]JangJi2Hoon,SulSeung2Ki.SensorlessDriveofSMPMMotorbyHighFrequencySignalInjection[J].IEEETrans.onInd.Appl.,2003,39(4):1031-1038.[7]HaJI,SulSK,ParkMH.PositionControlledInteriorPermanentMagnetMotorWithoutanyRotationalTrans2ducers[C]Proc.ofICEE2K,2000:396-399.[8]WangLimei,GuoQingding,LorenzRD.SensorlessCon2trolofPermanentMagnetSynchronousMotor[C]Pro2ceedingsofPowerElectronicsandMotionControlConfer2ence,2000:186-190.[9],,,.[J].,2005,25(5):116-121.:2008201226:2008207221412009391,:PMSM