20047Vol.19No.7197TRANSACTIONSOFCHINAELECTROTECHNICALSOCIETYJul.200412221.1000842.110023TMS320F240DSPTM351StudyofEfficiencyOptimizationControlofPermanentMagnetSynchronousMotorDrivesforElectricVehicleXuJiaqun1ZhuJianguang2XingWei2TangRenyuan21TsinghuaUniversityBeijing100084China2ShenyangUniversityofTechnologyShenyang110023ChinaAbstractAnon-lineadaptiveefficiencyoptimizationcontrolstrategyofpermanentmagnetsynchronousmotor(PMSM)drivesforelectricvehicle(EV)ispresentedtoextendtheroadhaulofEV.Thestrategyprovidesanoveladaptivepatternoffastd-axisstatorcurrentregulationtofindthemaximumefficiencyoperatingpointofPMSMdrivesatanyoperatingmodeofEV.Inordertoimprovetherapidityofefficiencyoptimizationprocess,afuzzylogiccontrolmethodbasedontorquecompensationandthePMSMmathematicmodelconsideringtheeffectsofcopperlossandironlossareadopted,whichovercomesthemajordrawbacksofexistingefficiencyoptimizationapproachappliedtoPMSMdrivesforEV.A7.5kWPMSMefficiencyoptimizationcontrolsystemisimplementedusingaTMS320F240DSP.Excellentexperimentalresultsprovethevalidityoftheproposedstrategy.KeywordsElectricvehicle,permanentmagnetsynchronousmotor,efficiency-optimizationcontrol1[1][2]863863-Z37-0320030529200404018220047PMSM/PMSM[3]PMSM[4]PMSM[5][3,6,7]PMSM[7]PMSMPMSMPMSM2PMSM2.11idΔP(k)ΔidΔid(k)P(k)P(k-1)1Fig.1Theminimuminputpowerefficiencyoptimizationcontrolstrategyid02.2PMSM2.2.1PMSMPMSM[4]2q2q10diKiKKi++=1K0K1K2PMSMK0K1K2K0K1K22.2.22PMSMΔid(k-1)ΔP(k)Δid(k)1ΔP(k)FuzzyΔid(k-1)Δid(k)2Fig.2Adaptiveefficiencyoptimizationcontrolstrategy197831Tab.1FuzzylogiccontrolrulesP(k)id(k)pbpmpsznsnmnbpnbnmnszpspmpbid(k-1)npbpmpsznsnmnb2.2.3ididiqPMSMPMSMTem[5]()][5.1qdqdqfemiiLLipT-+=yLdLqyfpidPMSM])()([5.1qddqdqfemiiiLLipT′Δ+-+′=y3qddqdfdqdfq))(()(iiiLLiLLiΔ+-+-+=′yy43PMSM3.1PMSM3TMS320F240DSPLEMDSPA/DPMSMT1T12/3XINT1T343PMSMFig.3EfficiencyoptimizationcontrolbasedPMSMsystemforEV84200474Fig.4Blockdiagramofefficiencyoptimizationcontroller3.2/WT2307.5kW3000r/minPMSM51665Fig.5WaveformsofDCvoltageandcurrenta400r/minb800r/min6PMSMFig.6EfficiencyofPMSMsystem400r/min2.87%800r/min3.3%PMSM4PMSM1..1999(4)3102..2000(1)3789h%1008060402000510152025303540T2/Nm100806040200h%0510152025303540T2/NmPIidiqΔPdcFuzzyΔidid=id+Δidiqiq=iqYNiq=id19789C=54.5μFLS=2.98mHR=0.2Ω335kVTab.3ThevoltagesattherealmakingpointandinrushcurrentsforswitchingonthecapacitorbankU=35kV/msI/(pu)U/(pu)-1.9330.6627.501.450.1ms-1.7580.7297.041.410.2ms-1.5770.7966.551.360.3ms-1.3930.8626.021.300.4ms-1.2040.9295.481.270.5ms-1.010.9964.911.250.6ms-0.8131.0644.971.3230.5ms10kV35kV510kV35kV1ms10kV35kV1DelfinoBFornariFGemmeCetal.Powerqualityimprovementintransmissionanddistributionnetworksviasynchronousswitching.TransmissionandDistributionConferenceandExposition,200113673722LinKCChenN.Voltage-peaksynchronousclosingcontrolforshuntcapacitors.IEEEProc.Gener.Transm.Distrib,1998,145,(3)2332363CarloCeredaetal.Synchronousmediumvoltagecircuit-breakers:ABBsolutionbasedonmagneticdriveandelectroniccontrol.CIRED99-15thConferenceonElectricityDistribution,Nice,June1999:13214YouYimin,ChenDegui,etal.Theoptimaldesignparametersselectionofpermanentactuatorforvacuumcircuitbreakerbasedondynamiccharacteristicanalysis.XXthISDEIVProceedings,ToursFrance20025845875..6..7CarloCeredaetc.Synchronousmediumvoltagecircuit-breakersABBSolutionBasedonMagneticDriveandElectronicControl.CIRED99-15thConferenceonElectricityDistribution,Nice,June1999:132119631933843ChanCCChanKT.Anadvancedpermanentmagnetmotordrivesystemforbattery-poweredelectricvehicles.IEEETrans.onVehicularTechnology19964511801884ShigeoMorimotoYiTongYojiTakedaetal.Lossminimizationcontrolofpermanentmagnetsynchronousmotordrives.IEEETrans.onIndustrialElectronics19944135115165..19976RoySColbyDonald.Anefficiency-optimizingpermanentmagnetsynchronousmotordriveIEEETrans.onIndustryApplications199824(3)4624697SadeghVaezMARahmanAdaptivelossminimizationcontrolofinverter-fedIPMmotordrivesIEEEConferenceofPESC'97Record199735(5)86186819731970