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PWM*730070、PWM、MATLAB/SIMULINK。。PISIMULINKTM331+．1TP391．9A1007－4414201206－0122－04DesignandsimulationofDCmotordoubleclosedloopspeedregulationsystembasedonPWMequipmentXiaoChengMaoyong－wenJieFang－zhengLanzhouJiaotonguniversityLanzhouGansu730070ChinaAbstractInthispapertheDCmotorspeedandthecurrentdoubleclosed－loopspeedcontrolsystemarestudiedandakindofdoubleclosedloopspeedcontrolsystem'sregulatorbasedonPWMdeviceisdesigned．AtlasttheapplicationofMAT-LAB/SIMULINKsimulationsoftwareofsystemengineeringdesignissimulatedandsimulationwaveformisgiven．Basedontheanalysisofthesimulationresultstheparametersinengineeringdesignareadjustedanditisprovedthatthesystemde-signedcanmeetindexrequirements．KeywordsDCmotordoubleclosedloopspeedregulationPIregulatorSIMULINKsimulation1、。、PWM。、、。21、ASR．ACR．TG．TA．UPE．1。MTGUnU*nASRASRU*iUiACRACRUcUPE。、PI。32α．β．Ton．Toi．Ks．PWMTl．Ts．PWMTm．R．Ce．2·221·20126122··*2012－11－171988－。。“”。。。3．1。ⅠACRPI。WACRs()=Kiτis+1()τisKiτi。Kiτi。τi=Tl。3。3ⅠKI=KiKsβτiRT∑i=Ts+Toiσi≤5%KIT∑i=0．5KI=12T∑iKi=KIτiRKsβ=R2KsβTlT∑i()3．2Wclis3Wclis()=Ids()U*is()/β=KIsT∑is+1()1+KIsT∑is+1()=1T∑iKIs2+1KIs+1Wclis()Wclis()≈11KIs+1U*isIds()U*is()=Wclis()β≈1β1KIs+1ASR。ⅡASRPIWASRs()=Knτns+1()τnsKnτn。Knτn。Ⅱ4。4ⅡWns()=KNτns+1()s2T∑ns+1()KN=KnαRτnβCeTmⅡτn=hT∑nKN=h+12h2T2∑nKn=h+1()βCeTm2hαRT∑n·321···201261224PWM400V570r/minCe=0．570V/r·min－11．5PWMKs=27R=0．5ΩTl=0．02sTm=0．18sβ=0．04V/A。。。4．1PIΔUU*n=Un=αn=αn0=0．017×570=9．69VU*i=Ui=βIdl=0．04×1．5×150=9VUc=Cen+IdlR/Ks=16．2V。4．24．2．1PWMTsPWMUdT。10kHzTs=0．1ms。Toi3．3ms1～2Toi=3．33msToi=2ms。T∑iT∑i=Ts+Toi=0．0021s。τi=TI=0．02s。KIT∑i=0．5KI=0．5T∑i=0．50．0021s=238．1s－1ACRKiKi=KIτiRKsβ=238．1×0．02×0．527×0．04=2．2054．2．211/KIKIT∑i=0．51/KI=2T∑i=2×0．0021s=0．0042sTonTon=0．01s。T∑nT∑n=1KI+Ton=0．0042s+0．01s=0．0142s2σn≤10%h=5ASRτn=hT∑n=5×0．0142s=0．071sKN=h+12h2T2∑n=62×25×0．01422s－2=595．1s－2ASRKn=h+1()βCeTm2hαRT∑n=6×0．04×0．570×0．182×5×0．017×0．5×0．0142=20．4Wbns()=KNτns+1()T∑ns3+s2+KNτns+KN=595．1×0．071s+1()0．0142s3+s2+595．1×0．071s+595．1。5Simulink5．1ⅠSimulink5。6。σi=4．3%。565．2ⅡSimulink7。8。·421·20126122··78σn=35%。、、、。5．3Simulink9。10。910610150A225AACRASR。ASR。ASR0。ASR。7ASRACR。、。1．M．2003．2．M．2007．3．M．2003．4．MATLAB2008M．2009．5．MatlabJ．201131230－32．6．PWMJ．2010234383－386．7．J．2010827－29．·521···20126122