[1] Jahns T M,Blasko V.Recent advances in power electronics technology for industrial and traction machine drive
[J].Proceedings of the IEEE,2001,89 (6):963-975.

[2] Blaschke F.A new method for the structural decoupling of A C induction machines
[C]∥2nd International Federation of Accountants,Basel,Switzerland,1971:1-15.

[3] Takahashi I,Ohmori Y.High-performance directtorque control of an induction motor
[J].IEEET ransactions on Industry Applications,1989,25(2): 257-264.

[4] Depenbrock M.Direct self-control(DSC)of inverter-fed induction machine
[J].IEEE Transactions on Power Electronics,1988,3(4):420-429.

[5] Kelecy P M,Lorenz R D.Control methodology for single inverter parallel connected dual induction motor drives for electric vehicles
[C]∥25th Annual IEEE Power Electronics Specialists Conference,Taipei,Taiwan,1994:987-991.

[6] Ando I,Sazawa M,Ohishi K.High efficient control of parallel connected induction motors with unbal-a nced load condition using one inverter
[J].The29th Annual Conference of the IEEE Industrial Electron-i cs Society,2003:1361-1366.

[7] Matsuse K,Kouno Y,Kawai H,et al.A speed-sen-sorless vector control method of parallel-connectedd ual induction motor fed by a single inverter
[J].IEEE Transactions on Industry Applications,2002, 38(6):1566-1571.

[8] Matsuse K,Hirotoshi K,Kouno Y,et al.Characteristics of speed sensor-less vector controlled dual induction motor drive connected in parallel fed by as ingle inverter
[J].IEEE Transactions on Industry Applications,2004,40(1):153-161.
[ 9]Nishimura J,Oka K,Matsuse K.A method of speed sensorless vector control of parallel-connected duali nduction motors by a single inverter with a rotor flux control
[C]∥International Conference on Electrical Machines and Systems,Seoul,2007:600-603.

[10] 李卫超,胡安,聂子玲.感应电机并联运行矢量控制 系统仿真研究
[J].电机与控制学报,2006,10(1): 102-106. Li Wei-chao,Hu An,Nie Zi-ling.The simulation research on vector control of parallel-connected induction motors
[J].Electric Machines and Control,2006,10(1):102-106.

[11] Shi Wei,Wang Ru-xi,Wang Yue,et al.Study of speed sensorless control methodology for single inverter parallel connected dual induction motors based on the dynamic model
[C]∥5th International Power Electronics and Motion Control on ference,Shanghai,2006:1-5.

[12] Kubota H,Matsuse K,Nakano T.DSP-based speed adaptive observer of induction motor
[J].IEEE Transactions on Industry Applications,1993,29(2):344-348.

[13] Lin Y N,Chen C L.Adaptive pseudo-reduced order flux observer for speed sensorless field-oriented control of IM
[J].IEEE Transactions on Industry Applications,1999,46(5):1042-1045.

[14] Nakagawa T,Numaki M,Miyazaki A,et al.Wheel slip recovering for locomotives with parallel connection induction motors applying vector control
[C]∥The2000International Power Electronics Conference,Tokyo,Japan,2000:987-991.