| Patents for H02P 21 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation (7,114) |
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| 05/23/2012 | CN101635555B Motor control device, motor control system, motor control module and refrigerating unit |
| 05/23/2012 | CN101490946B 可变磁通电动机驱动器系统 The variable-flux motor drive system |
| 05/22/2012 | US8183816 Method for field-oriented operation to zero speed of an encoder-less asynchronous machine |
| 05/22/2012 | CA2667025C Vector controller for permanent-magnet synchronous electric motor |
| 05/18/2012 | WO2012063541A1 Power supply status diagnostic method and device |
| 05/18/2012 | WO2012063325A1 Current control method and controller for motor |
| 05/18/2012 | WO2012062018A1 Hybrid excitation synchronous generator with coordinate structure and ac excitation control system thereof |
| 05/18/2012 | WO2009064050A3 Motor controller of air conditioner |
| 05/17/2012 | US20120119686 Method for controlling a motor |
| 05/16/2012 | EP2453573A1 Motor control device |
| 05/16/2012 | DE112010001465T5 Wechselstrommotor-Steuervorrichtung und Wechselstrommotor-Treibersystem AC motor controller and AC motor drive system |
| 05/16/2012 | DE102004041472B4 Vorrichtung zum Transportieren eines Bedruckstoffbogens An apparatus for transporting a printing material |
| 05/16/2012 | CN102457225A 制冷装置以及永久磁铁同步电机的控制装置 Refrigerating apparatus control device and a permanent magnet synchronous motor |
| 05/16/2012 | CN102457224A Control apparatus for power conversion system including DC/AC converter connected between electric rotating machine and DC power source |
| 05/16/2012 | CN102457182A 双方向升降压型逆变器装置的控制方法 The control method in both directions buck inverter device |
| 05/16/2012 | CN101795007B Stator power control method of wind-power double-feed motor based on synchronization model |
| 05/15/2012 | CA2702748C Wheel diameter measuring apparatus of electric vehicle |
| 05/15/2012 | CA2654277C Vector control device of induction motor, vector control method of induction motor, and drive control device of induction motor |
| 05/10/2012 | WO2012058816A1 Reverse pulsed lead-out electric motor/generator |
| 05/10/2012 | DE102010050344A1 Method for designing controller structure for field-oriented controlling induction machine i.e. synchronous machine, in power train i.e. hybrid drive train, of motor vehicle i.e. motor car, involves deriving dice to control machine |
| 05/10/2012 | DE102010043492A1 Control method for stator and rotor in electric machine that is utilized in pure electric car and hybrid vehicles, involves reducing reference torque by torque value if one of reference values reaches or exceeds corresponding maximum values |
| 05/09/2012 | EP2451072A2 Control device for doubly-fed induction generator in which feedback linearization method is embedded |
| 05/09/2012 | CN102449219A Washing machine |
| 05/09/2012 | CN102447263A Doubly fed wind power generation control system on grid network fault condition and method thereof |
| 05/08/2012 | US8174222 Methods, systems and apparatus for dynamically controlling an electric motor that drives an oil pump |
| 05/08/2012 | US8174220 Apparatus for controlling permanent-magnet rotary electric machine |
| 05/08/2012 | US8174219 Motor control unit and air conditioner having the same |
| 05/08/2012 | US8174218 Servomotor current control method and servomotor |
| 05/08/2012 | US8174217 Sensorless control apparatus and method for induction motor |
| 05/02/2012 | EP2448110A2 Refrigerating apparatus and controller for permanent magnet synchronous motor |
| 05/02/2012 | EP2448109A1 Systems, methods and devices for demodulating induction motor instantaneous rotor slot harmonic frequency |
| 05/02/2012 | EP2448108A2 Agricultural work machine |
| 05/02/2012 | CN102439842A System and method for determining stator winding resistance in an AC motor using motor drives |
| 05/02/2012 | CN102437813A Speed sensor-less method for estimating rotor angle and revolving speed of permanent-magnet synchronous motor |
| 05/02/2012 | CN102437812A Dynamic magnetic link control method used for carrying out frequency conversion and speed regulation on asynchronous motor |
| 04/25/2012 | CN102427326A 一种电动车异步电机的预估计控制方法 Pre-estimate method for controlling an electric induction motor vehicles |
| 04/25/2012 | CN102427325A 基于系统损耗模型法的直线电机最小损耗控制系统及方法 Linear motor system loss model method based on minimum loss control system and method |
| 04/25/2012 | CN102427324A 一种电励磁同步电机初始磁极定位方法 An electrically excited synchronous motor initial pole positioning method |
| 04/25/2012 | CN101783645B Motor controller and drum washing machine |
| 04/25/2012 | CN101154906B 电动机控制装置 A motor control unit |
| 04/24/2012 | CA2663173C Controller for ac rotary machine |
| 04/19/2012 | US20120091941 Flux controller for induction motor |
| 04/19/2012 | DE102011112647A1 Method for controlling stator of induction machine e.g. permanent-magnet synchronous machine in motor vehicle, involves multiplying input values for stator current with inductance of induction machine |
| 04/19/2012 | DE102007012801B4 Motorsteuerung Motor control |
| 04/18/2012 | CN102420561A 基于级联高压变频器无速度传感器矢量控制方法 Based on high-voltage inverter cascade speed sensorless vector control methods |
| 04/18/2012 | CN101702614B 混合式步进电机转子旋转振荡抑制装置和抑制方法 Hybrid stepping motor rotor rotational oscillation device and method for inhibiting suppression |
| 04/18/2012 | CN101694985B 直线感应电机在线参数辨识方法 Linear Induction Motor Parameter Identification Method |
| 04/18/2012 | CN101534088B 电动机的无位置传感器控制装置 Motor without position sensor control device |
| 04/17/2012 | US8160777 Electric power steering device |
| 04/17/2012 | US8159161 Motor control device |
| 04/12/2012 | WO2012046410A1 Current control gain adjusting method for pm motor, current control method, and control device |
| 04/12/2012 | WO2012046409A1 Motor constant calculating method for pm motor, and motor constant calculating device |
| 04/11/2012 | EP2438677A2 Method for controlling a motor |
| 04/11/2012 | CN102414978A Power conversion device |
| 04/11/2012 | CN102412778A 全速度域转矩最大化的感应电机矢量控制电流分配方法 Full speed induction motor domain maximize torque vector control current allocation method |
| 04/11/2012 | CN101977008B 双馈风电机组关键传感器故障的判断方法 Method for determining the double-fed wind turbine critical sensor failures |
| 04/05/2012 | WO2012043235A1 Drive-device control device |
| 04/05/2012 | WO2012043234A1 Drive-device control device |
| 04/05/2012 | WO2012043233A1 Control apparatus for drive apparatus |
| 04/05/2012 | WO2012043116A1 Motor control device |
| 04/05/2012 | WO2012042293A1 Method for controlling an electrical motor |
| 04/04/2012 | EP2436821A1 Washing machine |
| 04/04/2012 | CN102403953A 一种电动车交流异步驱动电机的柔性控制系统和方法 An electric vehicle drive flexible AC asynchronous motor control system and method |
| 04/04/2012 | CN102403952A 一种三电平变流器输出电压估算方法的控制装置 A three-level control device converter output voltage estimation method |
| 04/04/2012 | CN102403951A 一种三电平变流器输出电压估算方法 A three-level converter output voltage estimation method |
| 04/04/2012 | CN102403950A Exciting current given device of induction motor of electric vehicle |
| 04/04/2012 | CN102403949A Electric motor control device |
| 04/04/2012 | CN102403948A 电动汽车用永磁交流伺服电机及其控制器 Electric car with permanent magnet AC servo motor and controller |
| 04/04/2012 | CN102403947A Apparatus and method of controlling an electric oil pump driving motor |
| 04/04/2012 | CN102403946A Equivalent AC-DC-AC matrix high voltage frequency converter control method based on space vector modulation |
| 04/04/2012 | CN102403945A Flux offset compensation for a rotating electrical machine |
| 04/03/2012 | US8148927 Alternating-current motor control apparatus |
| 04/03/2012 | US8148926 Permanent magnet synchronization motor vector control device |
| 03/29/2012 | DE102007013575B4 Motorsteuerung Motor control |
| 03/28/2012 | EP2434637A2 Method and system for determining deterioration of permanent magnets of electric apparatus |
| 03/28/2012 | EP2433356A2 Overcurrent limit in the control of three-phase machines fed by inverter |
| 03/28/2012 | EP2034605B1 Electric motor driving device, and compressor driving device |
| 03/28/2012 | CN202178736U 工矿用机车牵引变频器 Mining locomotive traction drive |
| 03/28/2012 | CN102396149A Polyphase ac motor, driving device and driving method therefo |
| 03/28/2012 | CN101295953B Field weakening control apparatus for permanent magnet motor and electric power steering using same |
| 03/27/2012 | US8143839 Alternating-current motor control apparatus |
| 03/22/2012 | US20120068641 Control device for electric rotating machine |
| 03/22/2012 | US20120068640 Flux offset compensation for a rotating electrical machine |
| 03/22/2012 | US20120068639 Electric motor control device |
| 03/21/2012 | EP2432115A1 Motor control device |
| 03/21/2012 | EP2432114A1 Flux offset compensation for a rotating electrical machine |
| 03/21/2012 | CN102386839A Synchronous motor vector controller based on reactive power observer and control method |
| 03/21/2012 | CN102386838A Motor control system and control method for alternating current transmission system |
| 03/21/2012 | CN102386837A Vector control apparatus and motor control system |
| 03/21/2012 | CN102386836A Transmission control method and device of permanent magnet synchronous motor |
| 03/21/2012 | CN102386835A Method for acquiring parameters of permanent magnet synchronous motor (PMSM) |
| 03/21/2012 | CN102386834A Method and device for controlling vector of permanent magnet synchronous motor |
| 03/21/2012 | CN102386833A Low-speed and high-torque servo controller |
| 03/21/2012 | CN102386832A Generator rotor current control method and system both based on equivalent compensate iron auto disturbance rejection control |
| 03/21/2012 | CN102386817A Electric motor torque estimation |
| 03/21/2012 | CN102386816A Method and device for controlling weak magnetism of permanent magnet synchronous motor |
| 03/20/2012 | US8138712 Motor drive system and its control method |
| 03/20/2012 | US8138697 Sensorless speed detection during zero vector |
| 03/20/2012 | CA2619218C System and method for parallel control of variable frequency drives |
| 03/16/2012 | DE202012000091U1 Einrichtung zur Regelung einer Drehfeldmaschine an einem Direktumrichter bis Drehzahl Null Means for controlling an induction machine on a cyclo to zero speed |