永磁同步电动机直接转矩控制系统仿真

:2001-11-07:(1940-),,,,.,,(,200331):,,,Matlab.,.:;;:TM301.2:A:0253-374X(2002)08-0991-05StudyofSimulationforDirect-torque-controlofPermanentMagnetSynchronousMotorTAOSheng-gui,YUANDeng-ke,MAOMing-ping(DepartmentofElectricalEngineering,TongjiUniversityWestCampus,Shanghai200331,China)Abstract:ThispaperputsforwardthemathematicalmodelofPermanentMagnetSynchronousMotor(PMSM)intherotorreferenceframeatfirst,andthenmodelsthewholeaccontrolsystem,elaboratestherealizationofsomekeyparts,andsimulatesitbasedonsoftwareofMatlab.Throughanalyzingthesimulationresults,itcanbeseenthatthestrategyofDirectTorqueControl(DTC)hasgoodcontrolperformance.Keywords:permanentmagnetsynchronousmotor;directtorquecontrol;simulation2080,Depenbrock(DTC),,,..,,(PMSM):,,;;;,[1].,,.Matlab/SimulinkPMSM,,.11.1DTC1.PMSM,;,;,,;30820028JOURNALOFTONGJIUNIVERSITYVol.30No.8Aug.2002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,.,;NdFeB,,,.,1(d,q),.1.21.2.1d,q;1,2;m.:qd90,90(2).d,qUd1=r1id1+pd1-rq1,Uq1=r1iq1+pq1+rd1Ud2=0=rd2id2+pd2,Uq2=0=rq2iq2+pq2(1):d,q[Ud1Uq1]T=C3s/2r[UaUbUc]T,C3s/2rPark;r1;r,rads-1.1Fig.1BlockdiagramofDTCsystemofsynchronousmotor2Fig.2Illustrationofcoordinationtransformation,.(),,(1)id2,iq2(2)d2,q2,.NdFeB(),f,f=Lmdif().,rd2rq2,Ud2=Uq2=0,(1).1.2.2,,d,q[2]d1=Ld1id1+Lmdid2+Lmdif,q1=Lq1iq2+Lmqiq2d2=Ld2id2+Lmdid1+Lmdif,q2=Lq2iq2+Lmqiq2(2):if=Eo/(250Lmd),Eo,;Ld1,Lq1,Ld2,Lq2;Lmd,Lmq.(2)(1)(1):pid1iq1id2iq2=-m1r1Ld2m1Lq1Ld2rm1rd2Lmdm1Ld2Lmqr-m2Ld1Lq2r-m2r1Lq2-m2Lq2Lmdrm2rq2Lmqm1r1Lmd-m1Lq1Lmdr-m1rd2Ld1-m1LmdLmqrm2Ld1Lmqrm2r1Lmqm2LmdLmqr-m2rq2Lq1id1iq1id2iq2+m1Ld2Ud1m2Lq2Uq1-m2Lq2Lmdrif-m1LmdUd1-m2LmqUq1+m2LmdLmqrif(3)29930©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:m1=1/(Ld1Ld2-L2md),m2=1/(Lq1Lq2-L2mq).1.2.3,T=1(-ji1)(1)[3].,PnPark,Te=(3/2)Pn(d1iq1-q1id1)(4)(2)(4),:Te=(3/2)Pn[(Ld1-Lq1)id1iq1+Lmdiq1id2-Lmqid1iq2+Lmdiq1if](5)Pn.1.31.3.13Fig.3BlockdiagramofrotationcoordinationtranstormationDTC,,(:).d,q,C2r/2s,,.3Matlab/Simulink,C2r/2s=cosr-sinrsinrcosr(6)rd.1.3.2,s3Ter3rBang-Bang.TQQ;,SQ.:TQr3rPI()Te3,TetTQ(01);TQ10,,,TQ01,,,.Q|s|=2+2s3Q(01),TQ,[4].Matlabarctan2(),-+,0360,330360030,3090,90150,150210,210270270330,1,2,3,4,5,6.,,,,(1.3.3).1.3.31TQ,QSQ.,8(62),.1.:,;1[3];1max(85),max,U(000)U(111),.3998,:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1UTab.1SwitchingtableofstatorvoltagespacevectorTQQSQ()12345600U(110)U(010)U(011)U(001)U(101)U(100)01U(010)U(011)U(001)U(101)U(100)U(110)10U(111)U(000)U(111)U(000)U(111)U(000)11U(000)U(111)U(000)U(111)U(000)U(111)22.1:0t0.5s,r3=60rads-1;t0.5s,r3=30rads-1.:0t0.2s,T1=0;t0.2s,T1=7.6Nm().:515Nm.:m=3;;6;Pe=800W;Ue=380V;fe=50Hz;Eo=194.5V;Ld1=0.1783H,Ld2=0.1833H,Lq1=0.2935H,Lq2=0.2967H,Lmd=0.1544H,Lmq=0.2696H,r1=5.83,rd2=9.34,rq2=8.74.2.2(4)(5)(6)(7).4Fig.4Motorsspeedwaveform5Fig.5Motorstorquewaveform2.3,,r3=60rads-1.t0,,Temax=15Nm.,max,.r,.t0.2s,T1=7.6Nm.4,,.t0.5s,r3=30rads-1,5,r3..(7):,;,,60rads-130rads-1,.(6),,.,.TQ=1,Q,.,TQ=1..(5):Te1=3/2PnLmdiq1if,;Te2=(3/2)Pn(Ld1-Lq1)id1iq1,,;Te3=(3/2)Pn(Lmdiq1id2-Lmqid1iq2),,49930©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved..,Lmd=Lmq=Lm,.8910.89,,(10),.,,Bang-Bang,,,.,57,,,.8Fig.8Motorspermanenttorquewaveform9Fig.9Motorsreluctancetorquewaveform10Fig.10Motorsasynchronoustorquewaveform3,;Matlab/Simulink800WPMSM,,,.,,.:[1].[M].:,1997.[2],.[J].,1995,22(1):7-12.[3]TakahashiI,NoguchiT.Anewquick-responseandhigh-efficiencycontrolstrategyofaninductionmotor[J].IEEETransonIA,1986,22(5):820-827.[4]KazmierkowskiMP,KasprowiczAB.ImproveddirecttorqueandfluxvectorcontrolofPWMinverter-fedinductionmotordrives[J].IEEETransonIE,1995,42(4):344-350.5998,:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.