| 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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| 08/31/2011 | CN201956952U 交流永磁同步电动机绕组调速装置 AC permanent magnet synchronous motor winding speeder |
| 08/31/2011 | CN201956699U 双馈风力发电机的变流装置控制系统 Deflector control system for double-fed wind generator |
| 08/31/2011 | CN102171922A Ac electric motor controlling apparatus and controlling method |
| 08/31/2011 | CN102170262A Non-speed sensor control method of direct-drive permanent-magnet synchronous wind turbine |
| 08/31/2011 | CN102170261A Drive device for an alternating current motor and an electric motor vehicle |
| 08/31/2011 | CN102170260A Control apparatus for electric rotating machine |
| 08/31/2011 | CN101702607B Stator flux linkage set method of brushless DC motor direct torque control |
| 08/30/2011 | US8008878 System for seamless estimation of speed and/or position, including standstill of a permanent magnet rotor of an electric motor |
| 08/25/2011 | WO2011070165A3 Device for controlling a permanent-magnet synchronous machine |
| 08/25/2011 | WO2010140137A3 Method for controlling a motor |
| 08/25/2011 | DE102010028056A1 Verfahren, Systeme und vorrichtung zur Steuerung des Betriebs von zwei Wechselstrom (AC) -Maschinen Methods, systems and apparatus for controlling the operation of two alternating current (AC) machines |
| 08/24/2011 | EP2360831A1 Power converter for driving motor |
| 08/24/2011 | EP2360827A2 Method for controlling a matrix converter and matrix converter suitable for implementing such a method |
| 08/24/2011 | EP2359467A2 Controller for electrical machines |
| 08/24/2011 | EP1312156B1 Floating frame controller |
| 08/24/2011 | CN102163946A Winding speed regulating device for AC (alternating current) permanent magnet synchronous motors |
| 08/24/2011 | CN102163894A Combined torque type asynchronous speed regulating motor |
| 08/24/2011 | CN101399516B Linearity for field weakening in an interior permanent magnet machine |
| 08/18/2011 | WO2010000343A9 Method and apparatus for control of electrical machines |
| 08/18/2011 | DE102010007867A1 Verfahren und Steuergerät zur Bestimmung einer Stärke eines Magnetisierungsstromes für einen Asynchronmotor Process and control device for determining a strength of a magnetizing current for an induction motor |
| 08/17/2011 | EP2357722A1 Synchronous machine starting device |
| 08/17/2011 | CN201937536U 一种三相感应电动机单调节回路间接转矩控制装置 A three-phase induction motors indirect regulation loop torque control device |
| 08/17/2011 | CN102158174A Controller for rotating electrical machine |
| 08/17/2011 | CN102158168A Permanent magnet synchronous motor drive control system |
| 08/17/2011 | CN102158167A Voltage space vector modulation method |
| 08/17/2011 | CN102158158A Bearing-free synchronous reluctance motor rotor displacement soft measurement and suspension system construction method |
| 08/16/2011 | US8000862 Swing control device and construction machinery |
| 08/16/2011 | US7999501 Motor controller |
| 08/16/2011 | US7999498 System for estimation of position and speed in a permanent magnet rotor of an electrical motor |
| 08/16/2011 | US7999497 Device for controlling polyphase rotating machine |
| 08/11/2011 | WO2011096119A1 Elevator control device |
| 08/11/2011 | WO2010133303A3 Overcurrent limit in the control of three-phase machines fed by inverter |
| 08/11/2011 | US20110193505 Control device for electric rotary machine |
| 08/10/2011 | EP2355317A1 Current controller device and vector control method for controlling power conversion |
| 08/10/2011 | CN201922957U Intelligent control system for alternating-current traction engine |
| 08/10/2011 | CN1741367B Position-sensorless control circuit |
| 08/10/2011 | CN102150358A Open-loop or closed-loop control method for a converter |
| 08/10/2011 | CN102148603A Distinguishing method of initial position zero variation of doubly-fed generator rotor and control device thereof |
| 08/10/2011 | CN102148602A Apparatus for driving compressor of air conditioner and method for driving the same |
| 08/10/2011 | CN101789746B Method and device for rotor position measurement and speed measurement and control of synchronous motor |
| 08/10/2011 | CN101499753B Brushless servo control system and driving apparatus based on permanent magnet brushless DC motor |
| 08/04/2011 | WO2011092733A1 Control device for variable-speed pump-up power-generation device |
| 08/04/2011 | DE102011009731A1 Method for operating electrical synchronous motor for e.g. electric hybrid vehicle, involves providing current to stator of motor, where current comprises transverse axis components that are changed till desired torque is reached |
| 08/04/2011 | DE102011003372A1 Dual source automotive propulsion system and method of operation Dual source automotive propulsion system and method of operation |
| 08/03/2011 | CN201918957U 基于cpld与dsp的信号采集及电机控制系统 Cpld and dsp based signal acquisition and motor control systems |
| 08/03/2011 | CN102144356A Operating a synchronous motor having a permanent magnet rotor |
| 08/03/2011 | CN102143855A Power conversion device |
| 08/03/2011 | CN102142806A System and method for adaptive torque adjustment and motor control |
| 08/03/2011 | CN102142690A Current controller device and vector control method for controlling power conversion |
| 07/28/2011 | DE102011002444A1 Steuerungssysteme und -verfahren für einen Induktionsmotor Control systems and procedures for an induction motor |
| 07/27/2011 | EP2348630A1 AC machine control circuit |
| 07/27/2011 | EP2348611A1 Rotating electric machine and electric automobile |
| 07/27/2011 | CN201910764U Permanent magnet synchronous motor (PMSM) direct torque control system based on terminal sliding mode |
| 07/27/2011 | CN102136822A Five-DOF (freedom of degree) bearingless synchronous reluctance motor decoupling controller and construction method thereof |
| 07/27/2011 | CN101615876B Timing control system and method for non-salient pole permanent magnet synchronous motor |
| 07/26/2011 | US7986116 Apparatus for controlling torque of electric rotating machine |
| 07/21/2011 | WO2009080911A3 Method for calculating, using a computer, a three-phase regulator of a three-phase system having a three-phase model |
| 07/21/2011 | US20110175556 Torque ripple suppression control device for permanent magnet motor and electric power steering system |
| 07/21/2011 | DE102010000991A1 Phase cutoff detection method for e.g. permanently excited synchronous machine of drive device, involves examining longitudinal current to find whether actual phase currents correspond to target current according to current level |
| 07/20/2011 | EP2346160A2 Motor drive load damping |
| 07/20/2011 | EP2345147A1 System and method for controlling power balance in an electrical/mechanical system |
| 07/20/2011 | CN102132487A Emulation of control to voltage source converter using synchronous machine |
| 07/20/2011 | CN102130653A Method and system for controlling an electric motor using zero current offset value cancellation |
| 07/20/2011 | CN102130648A Apparatus and method for controlling operation of inverter system |
| 07/20/2011 | CN102130647A Speed-sensor-less construction method for detecting rotating speed of bearing-less asynchronous motor |
| 07/20/2011 | CN101490944B Inverter |
| 07/14/2011 | US20110169434 Apparatus and method for controlling operation of inverter system |
| 07/13/2011 | EP2343800A1 Ac electric motor controlling apparatus and controlling method |
| 07/13/2011 | EP2343799A1 Control device for permanent magnet synchronization electric motor |
| 07/13/2011 | EP2343798A2 Apparatus and method for controlling operation of inverter system |
| 07/13/2011 | CN201896024U Permanent magnetic synchronous door machine controller |
| 07/13/2011 | CN102122916A Compound control method based on vector control system of permanent magnet synchronous motor |
| 07/13/2011 | CN102122915A Device for closed-loop control of permanent magnet synchronous motor |
| 07/13/2011 | CN102122914A Induction motor control systems and methods |
| 07/13/2011 | CN101432961B Control device of AC rotary motor |
| 07/07/2011 | WO2010122401A8 Vector control method for electric motors |
| 07/07/2011 | US20110163709 Induction motor control systems and methods |
| 07/07/2011 | US20110162554 Operating a Synchronous Motor Having a Permanent Magnet Rotor |
| 07/06/2011 | CN201893747U Variable-frequency air conditioner driver |
| 07/06/2011 | CN102118129A Permanent magnetic variable-speed motor |
| 06/30/2011 | WO2011077829A1 Motor control apparatus and magnetic-pole position detection method therefor |
| 06/30/2011 | WO2011051729A3 Variable rotation speed motor control system and the method thereof |
| 06/30/2011 | US20110156623 Motor drive apparatus and power steering apparatus using the same |
| 06/30/2011 | DE102010061529A1 Motorantriebsvorrichtung und dieselbe verwendende Servo-Lenkvorrichtung Motor driving apparatus used and the same servo-steering device |
| 06/29/2011 | CN102113203A Device and method for controlling AC electric motor |
| 06/29/2011 | CN102111103A Alternating-current asynchronous motor frequency converter without speed sensor |
| 06/28/2011 | US7969106 Vector controller for permanent-magnet synchronous electric motor |
| 06/23/2011 | US20110148335 Control apparatus for permanent magnet synchronous motor |
| 06/23/2011 | US20110148334 Method and arrangement for controlling permanent magnet synchronous machines |
| 06/22/2011 | EP2337211A1 Method and arrangement for controlling permanent magnet synchronous machines |
| 06/22/2011 | EP2336002A1 Electric power steering device |
| 06/22/2011 | EP2335347A1 Sensorless optimum torque control for high efficiency ironless permanent magnet machine |
| 06/22/2011 | EP1793487B1 Vector controller of induction motor |
| 06/22/2011 | DE102007013577B4 Motorsteuerung Motor control |
| 06/22/2011 | CN201877916U Brushless double-fed wind power generator |
| 06/22/2011 | CN102104361A Motor control apparatus having a function to calculate amount of cogging torque compensation |
| 06/22/2011 | CN102104360A Method and arrangement for controlling permanent magnet synchronous machines |
| 06/16/2011 | WO2011070165A2 Device for controlling a permanent-magnet synchronous machine |
| 06/16/2011 | US20110144843 Permanent magnet temperature estimation |
| 06/16/2011 | DE102010062552A1 Verfahren und Systeme zur Induktionsmaschinensteuerung Methods and systems for induction machine control |