| 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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| 12/11/2014 | US20140361715 Control device, driving device, and image forming apparatus | 
| 12/10/2014 | CN204013311U 矿用机车直流转交流逆变器 Mine locomotive DC to AC inverter | 
| 12/10/2014 | CN204013310U 无刷双馈电机直接转矩控制系统 BDFM direct torque control system | 
| 12/10/2014 | CN104205615A 道路车辆用电力驱动轴装置 Road vehicles with electric drive shaft means | 
| 12/10/2014 | CN104205614A 三相交流感应电机的控制装置以及三相交流感应电机的控制方法 Control method for controlling the three-phase AC induction motors and three-phase AC induction motor | 
| 12/10/2014 | CN104201965A 定子永磁型无轴承同步电机转子悬浮控制方法 Stator permanent magnet-type synchronous motor rotor bearing no suspension control method | 
| 12/10/2014 | CN104201964A 一种磁通切换直线电机速度脉动抑制方法 One kind of flux linear motor speed switching ripple suppression method | 
| 12/10/2014 | CN104201963A 一种抑制直线电机定位力补偿控制器 A method of inhibiting linear motor positioning force compensation controller | 
| 12/10/2014 | CN104201962A 一种高速列车牵引感应电机参数辨识方法 A high speed train traction induction motor parameter identification method | 
| 12/10/2014 | CN104201961A 一种测量三相永磁同步电动机初始静态参数的方案 An initial program phase permanent magnet synchronous motor static parameters measuring | 
| 12/10/2014 | CN104201960A 一种永磁同步磁阻电机的最大转矩电流比控制方法 The maximum torque of a permanent magnet synchronous reluctance motor current ratio control method | 
| 12/10/2014 | CN104201959A 重构异步电动机转矩信号的状态观测器简化设计方法 Reconstruction of asynchronous motor torque signal to simplify the design of state observer method | 
| 12/10/2014 | CN104201958A 基于两级h桥的六相感应电机svpwm控制方法及应用 Based on a two-stage six-phase induction motor h bridge svpwm control method and its application | 
| 12/10/2014 | CN104201957A 一种基于合成电压矢量技术的异步电机直接转矩控制方法 Induction motor direct torque control method based on the synthesis of voltage vector technology | 
| 12/10/2014 | CN104201956A 异步电动机直接转矩控制装置及其方法 Induction motor direct torque control device and method | 
| 12/10/2014 | CN104201943A 磁极对数的确定方法和装置 Determine the number of pole pairs method and apparatus | 
| 12/10/2014 | CN104201808A 一种基于位置自检测的混合励磁容错电机系统 A position of self-testing of the motor system is based on a fault-tolerant hybrid excitation | 
| 12/10/2014 | CN102931904B 一种基于虚拟磁链定向的控制电路及控制方法 A control circuit and control method based on virtual flux oriented | 
| 12/10/2014 | CN102664582B 一种增程式电动汽车发电控制方法 An electric vehicle program by generating control method | 
| 12/10/2014 | CN102545767B 无轴承同步磁阻电机解耦控制系统及其构造方法 Decoupling no bearing synchronous reluctance motor control system and construction methods | 
| 12/09/2014 | US8907602 Control apparatus of rotating device | 
| 12/04/2014 | US20140354205 Motor controller and construction machine provided therewith | 
| 12/02/2014 | US8901874 Electric power steering system | 
| 11/27/2014 | US20140346991 Method and system of internal temperatures determination in a synchronous electric machine using state observers | 
| 11/27/2014 | US20140346990 Method of determining the position and the speed of a rotor in a synchronous electric machine using state observers | 
| 11/27/2014 | US20140346984 Magnetic pole position estimating apparatus for electric motor, controlling apparatus for electric motor, and magnetic pole position estimating method for electric motor | 
| 11/27/2014 | US20140346983 Motor control device and motor control method | 
| 11/25/2014 | US8897968 Electric power steering system | 
| 11/25/2014 | US8896245 Methods, systems and apparatus for generating voltage command signals for controlling operation of an electric machine | 
| 11/20/2014 | US20140340019 Inverter and method of controlling same | 
| 11/20/2014 | US20140340018 Control device of ac rotating machine | 
| 11/18/2014 | US8892306 Motor control unit and vehicle steering system | 
| 11/18/2014 | US8890454 Phase locked loop based torsional mode damping system and method | 
| 11/18/2014 | US8890450 Motor control device | 
| 11/13/2014 | US20140333241 Optimized control for synchronous motors | 
| 11/13/2014 | US20140333240 Synchronous machine controller | 
| 11/11/2014 | US8884576 Variable-flux motor drive system | 
| 11/11/2014 | US8884575 Drive system for synchronous electrical motor | 
| 11/11/2014 | US8884567 Apparatus for carrying out improved control of rotary machine | 
| 11/06/2014 | US20140327380 Circuits and methods of determining position and velocity of a rotor | 
| 11/06/2014 | US20140327379 Position sensorless drive system and method for permanent magnet motors | 
| 11/04/2014 | US8878471 Control apparatus for electric rotary machine | 
| 10/28/2014 | US8874318 Motor control unit and motor control unit for vehicle steering apparatus | 
| 10/28/2014 | US8872463 Electric motor controller comprising function for simultaneously estimating inertia, friction, and spring | 
| 10/28/2014 | US8872454 Control unit of rotary device | 
| 10/23/2014 | US20140312812 Electric motor control device | 
| 10/21/2014 | US8867181 Protection of motor drive systems from current sensor faults | 
| 10/21/2014 | US8866435 Control device and control method for power control unit | 
| 10/16/2014 | US20140309830 Method for controlling a power train and corresponding control system | 
| 10/16/2014 | US20140306626 Motor driving device and brushless motor | 
| 10/14/2014 | US8862323 Motor control device and vehicle-steering device comprising same | 
| 10/14/2014 | US8862322 Motor control unit and vehicle steering apparatus | 
| 10/14/2014 | US8860356 Variable magnetic flux motor drive system | 
| 10/14/2014 | US8860346 Angle detection device, motor driving device, and image forming apparatus | 
| 10/14/2014 | US8860342 System and method for controlling a permanent magnet motor | 
| 10/09/2014 | WO2014161614A1 Method for starting a variable-speed electric motor | 
| 10/09/2014 | US20140300309 Sensorless vector control apparatus for induction motor | 
| 10/09/2014 | DE102013206029A1 Verfahren zum Anlaufen eines drehzahlveränderlichen Elektromotors Procedures for starting a variable speed electric motor | 
| 10/08/2014 | EP2787631A2 Sensorless vector control apparatus for induction motor | 
| 10/08/2014 | EP2787623A1 Inverter device for electric vehicle | 
| 10/08/2014 | EP2786462A2 Method for controlling a multiphase converter | 
| 10/07/2014 | US8855857 Electric motor controller and electric motor controller for vehicle steering apparatus | 
| 10/07/2014 | US8854015 Current controller and generator system | 
| 10/07/2014 | US8853979 Method and system for calibrating rotor position offset of an electric motor | 
| 10/02/2014 | WO2014158976A2 Motor control loop with fast response | 
| 10/02/2014 | WO2014157628A1 Rotating electric machine control device | 
| 10/02/2014 | WO2014155112A1 Motor drive circuit and method of driving a motor | 
| 10/02/2014 | US20140292239 Motor control device and motor control method | 
| 10/02/2014 | US20140292238 Power Conversion Device | 
| 10/02/2014 | US20140292237 Motor control apparatus and magnetic-pole position estimating method | 
| 10/02/2014 | DE102013005712A1 Verfahren zur Regelung der Drehzahl bei einem Hybridantrieb A method for controlling the speed in a hybrid drive | 
| 10/01/2014 | EP2783461A1 Method for controlling a power train and corresponding control system | 
| 09/30/2014 | US8847541 Control method and control device of motor inverter | 
| 09/30/2014 | US8847528 Control apparatus and control method for AC rotary machine | 
| 09/30/2014 | US8847527 Control system for a rotary machine | 
| 09/30/2014 | US8844670 Electric power steering device | 
| 09/25/2014 | WO2014146772A2 Method for operating a multiphase electrical machine and corresponding multiphase electrical machine | 
| 09/25/2014 | US20140285125 Motor control device and motor control method | 
| 09/25/2014 | US20140285124 Control method and device therefor | 
| 09/24/2014 | EP2782241A1 Motor control device for electric automobile | 
| 09/24/2014 | EP2781016A2 System for operating an inverter-fed polyphase electric machine | 
| 09/23/2014 | US8841873 Motor control device for vehicle | 
| 09/18/2014 | WO2014139754A2 Control system for a synchronous machine and method for operating a synchronous machine | 
| 09/18/2014 | US20140265954 Rotating electric machine control device and electric power steering apparatus | 
| 09/18/2014 | US20140265952 Automated Motor Control | 
| 09/18/2014 | US20140265951 Motor control system for determining a reference d-axis current and a q-axis current | 
| 09/18/2014 | DE102014103064A1 Steuervorrichtung einer drehenden elektrischen Maschine und elektrische Servolenkungseinrichtung Control device of a rotating electric machine and electric power steering device | 
| 09/18/2014 | DE102013204194A1 Regelungssystem für eine Synchronmaschine und Verfahren zum Betreiben einer Synchronmaschine A control system for a synchronous machine and method for operating a synchronous machine | 
| 09/17/2014 | EP2779431A2 Generation of a current reference to control a brushless motor | 
| 09/17/2014 | EP2779430A2 Motor control system for determining a reference d-axis current and a q-axis current | 
| 09/17/2014 | EP2779429A2 Method of current reference generation for a motor | 
| 09/17/2014 | EP2779415A2 Motor control system to compensate for torque ripple | 
| 09/17/2014 | EP2779414A2 Motor control system having bandwidth compensation | 
| 09/17/2014 | EP2777139A1 Method for controlling a double excitation synchronous rotating electric machine and corresponding rotating electric machine | 
| 09/16/2014 | CA2756406C Control apparatus for electric rotating machine | 
| 09/12/2014 | WO2014136761A1 Power-converter control device | 
| 09/11/2014 | US20140253001 Motor rotational position detecting device, washing machine and motor rotational position detecting method | 
| 09/11/2014 | US20140253000 Method of current reference generation for a motor | 
| 09/09/2014 | US8831832 Motor control apparatus and electric power steering apparatus provided with the same | 
| 09/09/2014 | US8829846 Field oriented control of a motor with a single shunt |