异步电动机直接转矩控制的Matlab仿真

:2008-04-29:(KG070619).:(1981),,,,.Matlab陈少航,李山,刘述喜,郑剑(,400050):,Matlab7.1.,,,,.:;;:TM343:A:1671-0924(2008)07-0110-04MatlabbasedSimulationofInductionMotorDirectTorqueControlCHENShaohang,LIShan,LIUShuxi,ZHENGJian(ChongqingInstituteofTechnology,Chongqing400050,China)Abstract:AccordingtothetheoryofDirectTorqueControl(DTC),aDTCsystemsimulationprinciplechartofinductionmotorisconstructedwithMATLAB7.1.Themodelisbasedonthecontrolstrategyofroundfluxlinkagetrace,andasimulationisdoneaboutthecontrolsystembasedonswitchquerytable.Thesimulationresultshowsreasonabilityandvalidityofthecontrolstrategy.Keywords:inductionmotor;directtorquecontrol;model(DirectTorqueContro1)2080,M.DepenbrockIsaoTakahashi1985,,,,,,.,,[1].第22卷第7期Vol.22No.7重庆工学院学报(自然科学)JournalofChongqingInstituteofTechnology(NaturalScience)2008年7月Jul.20081.,...Matlab7.1,1.1,,,.1:(phiobserve)(sector)(table)(phirelay)(Terelay)PID,Simulink.1.12.U-I.Park:s=(us-isrs)dt(1)s=(us-isrs)dt(2)Te=32np(sis-sis)(3):s,sus,usis,is,;Te,N!m;np.图1直接转矩控制仿真模型1.2,TQYQ.-.1f(u),sqrt(u(1)!u(1)+u(2)!u(2)).YQ.YQ=0,;YQ=1,.PID,TQ.TQ=1,;TQ=0,;TQ=-1,.1.3-.,,60∀.[2].,.S1,60∀,S1,S2,S3,S4,S5,S6,2.,,.图2矢量分布/.=0,0,111陈少航,等:异步电动机直接转矩控制的Matlab仿真2;=0,0,5;0,-tan30∀/#tan30∀,1.,3.图3磁链空间位置判断仿真原理TQYQ,SectorUx(x=0,1,2,3,4,5,6,7).1.U7(111)U0(000).,U4(011),,U7(111),U0(000).表1电压开关状态查询表YQTQS1S2S3S4S5S60-1U1U5U4U6U2U30U0U7U0U7U0U71U2U3U1U5U4U61-1U5U4U6U2U3U10U7U0U7U0U7U01U6U2U3U1U5U42:P=1500W,380V,3.65A,1410rpm,50Hz,2,Rs=4.1!,Rr=3.9!,0.383H,0.382H,0.363H,0.0027kg!m2,0.92Wb,1200rpm,4N!m.4~7.图4磁链波形4.5,0.1s,.6,,0.04s,120∀.7,0.05s,.,.,∀=2#∃1410/60=147.655rad/s.TN=PN/∀N=1500/147.655=10.159.图5转速波形图6定子电流波形112重庆工学院学报图7转矩波形721/10.159=2.067,.(19/sqrt(2))/3.65=3.681,.3Matlab7.1.,.,,.,,,.,.:[1]刘凤君.多电平逆变技术及其应用[M].北京:机械工业出版社,2007.[2]王兴贵,李国华.异步电动机直接转矩控制系统仿真研究[J].微电机,2007,40(3):38-38.[3]唐浦华,刘飞,黎亚元.感应电机直接转矩控制系统[J].电机与控制学报,2007,11(1):1-5.[4]王成元,夏加宽,杨俊友,等.电机现代控制技术[M].北京:机械工业出版社,2006.[5]李宜达.控制系统设计与仿真[M].北京:清华大学出版社,2004.(陈松)(109).,,,,CPU,..,.:[1]美国慷浮系统公司.数据备份的离场保护[N].中国计算机报,2007-3-14.[2]Tamsyn.SQLite3使用教学[EB/OL].[2007-3-16].[3]RFC959ISI.Filetransferprotocol(ftp)[S].[4]肖克辉,倪德明.文件系统增量备份策略的形式化描述及实现[J].计算机工程与设计,2007(5):2455-2457.[5]张志强.Windows编程技术[M].北京:机械工业出版社,2005:220-224.(刘舸)113陈少航,等:异步电动机直接转矩控制的Matlab仿真