基于Matlab_Simulink的异步电机直接转矩控制系统仿真

:2004-12-10:2004-12-27:(1980-),,,,基于Matlab/Smiulink的异步电机直接转矩控制系统仿真郭冀岭,王君瑞,王远波(,610031):在异步电动机数学模型的基础之上,利用MATLAB/Simulink软件构建了一个异步电动机直接转矩控制调速系统对仿真模型中的定子磁链观测器模块进行了描述,并简要说明了空间电压矢量对磁链和转矩的作用及影响通过对异步电动机进行仿真实验,得到电压电流转速转矩以及磁链的仿真波形:Matlab/Simulink;异步电机;直接转矩控制;空间电压矢量:TM346+.2;TP391.9:A:1001-4551(2005)3-0018-04SimulationofInductionMotorDirectTorqueControlSystemBasedonMatlab/SimulinkGUOJ-iling,WANGJun-ru,iWANGYuan-bo(CollegeofElectricalEngineering,SouthwestJiaotongUniversity,Chengdu610031,China)Abstract:Adirecttorquecontrol(DTC)systemofinductionmotorisconstructedwithMatlab/Simulinkbasedonthemathematicmoduleofinductionmotors.Themoduleofstatorfluxobservationisillustrated.Andthepaperexplainshowthespacevoltagevectoraffectsthemotors'statorfluxandelectromagnetictorque.Atlastanexperimentwithdefiniteparametersisemulatedandthewaveformofstatorvoltage,statorcurrent,rotorspeedandelectromagnetictorquearegiven.Keywords:Matlab/Simulink;asynchronousmotor;DTC;spacevoltagevector,,,,,,,SimulinkMatlab,,,1直接转矩控制系统的原理1,,,(Band-Band)PWM,,11.1,:18Mechanical&ElectricalEngineeringMagazineVo.l22No.320052005223(1)udsuqsudruqr=Rs0000Rs0000Rr0000Rridsiqsidriqr+p0000p0000pr00-rpdsqsdrqr(1)(2)dsqsdrqr=Ls+Lm0Lm00Ls+Lm0LmLm0Lr+Lm00Lm0Lr+Lmidsiqsidriqr(2)(3)Te=PnLmLsLr(qsdr-IqrIds)(3)(4)pr=PnJ(Te-TL),Simulink,S,Simulink,1.2,abc,dq,2,da,8U1~U6,U0U7,S1~S66,,Ts,,s(1),,,,62sS6,,11TsU6T,sU1T,sU4TsU3TsU2T,sU5T,sU7,U0T,s1.3,u-i(),:s=(us-isRs)dt(5)s=ds2+qs2(6)2,32dqSN-sd-12s0034-12sd12s002512sds0016192005223Mechanical&ElectricalEngineeringMagazineVo.l22No.320053,4TggfPI,FluxcmpTorquecmp,TableS42仿真结果:PN=2.5kW,UN=220V,fN=60Hz,|sN|=0.6Wb,Rs=0.435,Rr=0.816,Ls=2mH,Lr=2mH,Lm=69.31mH,J=0.001kgm2,,;fluxg=0.6Wb,|s|=0.01Wb;T=1Nm;0t0.15s,g=300rad/s,t0.15s,g=150rad/s0t0.07s,TLg=0;t0.07s,TLg=10Nm,5,,6520Mechanical&ElectricalEngineeringMagazineVo.l22No.32005200522363结论,,,,,Matlab/Simulink,,,:[1]MarianPKazmierkows.iImprovedDirectTorqueandFluxVectorControlofPWMInverter-FedInductionMotorDrives[J].IEEETransactionsonIndustrialElectronics,1995,42(4):344-350.[2],.MATLAB/SIMULINK[J].,1998(2):7-11.[3],,.DSP[J].,1997(4):3-6.[4].[M]..,1994.1-25.,,,:(1),,,,(2),,(3),,,,,5%(4),,,,;,,,,304830(5),,60,31000,,,,212005223Mechanical&ElectricalEngineeringMagazineVo.l22No.32005