| 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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| 04/02/2013 | US8410735 Torque ripple suppression control device for permanent magnet motor and electric power steering system |
| 04/02/2013 | US8410734 Motor control device and electric power steering device |
| 03/28/2013 | WO2013041416A1 Method and device for controlling power to an electric machine |
| 03/28/2013 | US20130076283 Motor control unit and motor control unit for vehicle steering apparatus |
| 03/28/2013 | DE102012215571A1 Schützen von motorantriebssystemen gegenüber stromsensorfehlern Flow sensor errors protecting motor drive systems against |
| 03/28/2013 | DE102011054620A1 Flurförderzeug mit notbetriebsfähigem elektrischen Antrieb Truck with electric drive notbetriebsfähigem |
| 03/27/2013 | EP2573935A2 Motor control apparatus |
| 03/27/2013 | EP2573934A1 Control device without a rotation sensor |
| 03/27/2013 | EP2572447A1 Equipment and method for measuring the offset angle of a resolver in a synchronous electric machine |
| 03/27/2013 | EP2572446A1 Method for the automatic adjustment of a resolver of an electric machine |
| 03/27/2013 | CN202841044U Synchronous motor vector controller based on reactive power observer |
| 03/27/2013 | CN103002954A Training apparatus, arrangement and method |
| 03/27/2013 | CN103001569A Method for tracking no-load rotating speed of high-voltage variable frequency motor |
| 03/27/2013 | CN103001568A Motor control device |
| 03/27/2013 | CN103001567A Multi-mode inverse model identification method for speed regulating system of six-phase permanent magnet synchronous linear motor |
| 03/27/2013 | CN103001556A DSP (digital signal processor)-based alternating-current servo voltage control system |
| 03/27/2013 | CN103001431A Direct-current asynchronous motor and driving control method |
| 03/27/2013 | CN101960712B 逆变器装置 Inverter means |
| 03/27/2013 | CN101662258B Motor controller |
| 03/21/2013 | WO2013038244A1 Motor control system |
| 03/21/2013 | WO2013038097A1 Method and device for controlling a powertrain |
| 03/21/2013 | US20130069568 System and Method for Controlling a Permanent Magnet Motor |
| 03/21/2013 | DE102011053791A1 Method for operating three-phase electric motor such as permanent magnet excited synchronous motor (PMSM), involves regulating zero current which is the sum of phase currents for supplying with respect to intermediate circuit |
| 03/21/2013 | DE102009000609B4 Stromregler und Verfahren und System zur Stromregelung für Wechselstrommotoren Current controller and method and system for current control for AC motors |
| 03/21/2013 | CA2847498A1 Engine control for a synchronous motor |
| 03/20/2013 | EP2571158A1 Brushless-motor drive apparatus |
| 03/20/2013 | EP2571157A1 Method and device for controlling power to an electric machine |
| 03/20/2013 | CN202818220U Apparatus for rapidly identifying motor parameters |
| 03/20/2013 | CN202818219U Improved iterative learning control system of a permanent magnet synchronous linear motor |
| 03/20/2013 | CN102986133A Control device without a rotation sensor |
| 03/20/2013 | CN102986132A 电流传感器误差补偿 Current sensor error compensation |
| 03/20/2013 | CN102983808A Method for performing online identification on direct-axis synchronous reactance of power generator on the basis of PMU (Power Management Unit) steady state data |
| 03/20/2013 | CN102983807A Asynchronous motor rotor time constant on-line identification system and method |
| 03/20/2013 | CN102983806A Asynchronous machine stator flux estimation system based on current model and method |
| 03/20/2013 | CN102983805A Control device of AC motor |
| 03/20/2013 | CN102983804A Speed controlling device of AC motor |
| 03/20/2013 | CN102983803A Initial positioning method for permanent-magnet synchronous motor |
| 03/20/2013 | CN102171922B Ac electric motor controlling apparatus and controlling method |
| 03/20/2013 | CN102088271B Sensor-less sine DC (direct current) variable frequency current sampling method |
| 03/20/2013 | CN101803171B Rotating armature controller |
| 03/20/2013 | CN101636902B Permanent magnet rotary electric machine and permanent magnet motor drive system |
| 03/19/2013 | US8400086 Initial rotor position detection for permanent magnet synchronous motors |
| 03/14/2013 | WO2013035382A1 Control system for synchronous motor |
| 03/14/2013 | US20130063057 Control system for a rotary machine |
| 03/14/2013 | US20130063056 Control system for a rotary machiine |
| 03/13/2013 | EP2568596A1 Method and processing unit for determining the position of the rotor of a synchronous machine relative to the stator of the synchronous machine |
| 03/13/2013 | CN102971960A Method and device for determining a momentary torque of an electronically switched electric machine and for regulating the average torque |
| 03/13/2013 | CN102969969A Automatic phase hunting method used for permanent magnet synchronous servo motor |
| 03/13/2013 | CN102969968A Permanent magnet synchronous motor control method |
| 03/13/2013 | CN102969967A Sensorless control apparatus for synchronous motor and inverter apparatus |
| 03/13/2013 | CN102969966A Permanent magnet machine control system |
| 03/13/2013 | CN102361430B Position sensor-free vector control device for built-in permanent magnetic synchronous motor |
| 03/13/2013 | CN102201741B Phase-controlled type AC-AC (alternating current) frequency converter real-time trigger pulse generation system and method thereof |
| 03/13/2013 | CN101944876B Separately-excited synchronous motor magnetic flux orientation method |
| 03/13/2013 | CN101803176B 可变磁通驱动系统 The variable flux drive system |
| 03/12/2013 | US8395336 Control system of three phase induction motor driver and field weakening control method thereof |
| 03/07/2013 | WO2013031828A1 Power conversion device |
| 03/07/2013 | WO2012110879A3 Rotary electric machine driving system |
| 03/07/2013 | US20130057184 Method and apparatus for driving alternating-current motor |
| 03/06/2013 | EP2566045A2 Sensorless control apparatus for synchronous motor and inverter apparatus |
| 03/06/2013 | EP2566044A2 Permanent magnet machine control system |
| 03/06/2013 | EP2566043A1 Power conversion device |
| 03/06/2013 | EP2565465A1 Method and apparatus for determining change in mass of fan impeller |
| 03/06/2013 | CN202772833U Constant-power control device and constant-power traction drive system |
| 03/06/2013 | CN102957374A Motor control unit and electric power steering system |
| 03/06/2013 | CN102957373A Drive signal generating circuit |
| 03/06/2013 | CN102957372A Double closed-loop control system of permanent-magnet synchronous motor |
| 03/06/2013 | CN102957334A Methods, systems and apparatus for controlling a multi-phase inverter |
| 03/06/2013 | CN102122915B Device for closed-loop control of permanent magnet synchronous motor |
| 03/05/2013 | US8390223 Control device for electric motor drive device |
| 02/28/2013 | US20130049656 Sensorless control apparatus for synchronous motor and inverter apparatus |
| 02/28/2013 | US20130049655 Drive signal generating circuit |
| 02/28/2013 | US20130049652 Motor control unit and electric power steering system |
| 02/28/2013 | US20130049651 Rotary electric machine |
| 02/28/2013 | US20130049363 Permanent magnet machine control system |
| 02/28/2013 | DE102012107970A1 Steuervorrichtung für eine drehende elektrische Maschine A control apparatus for a rotating electrical machine |
| 02/27/2013 | EP2562928A1 Control device for motor drive system and vehicle having same |
| 02/27/2013 | EP2562927A1 Rotor phase/velocity estimation device for alternating-current motor |
| 02/27/2013 | CN102946227A Observation method and device for electromagnetic torque of salient pole type permanent-magnet brushless direct current motor |
| 02/27/2013 | CN102946226A Method and device for detecting 6i-order electromagnetic torque fluctuation of permanent magnetic synchronous motor |
| 02/27/2013 | CN101884164B Ac motor controller |
| 02/26/2013 | US8384323 Motor magnetic-pole-position estimating apparatus |
| 02/26/2013 | US8384322 Motor control device and motor drive system |
| 02/26/2013 | US8384321 Motor, apparatus for controlling motor, and method for starting motor |
| 02/21/2013 | WO2013024828A1 Motor control device and work machine using same |
| 02/21/2013 | WO2013024780A1 Pm motor position-sensorless control device |
| 02/21/2013 | US20130043811 Field oriented control of a motor with a single shunt |
| 02/20/2013 | EP2493067A9 Method and apparatus for estimating rotor angle of synchronous reluctance motor |
| 02/20/2013 | EP2493066A9 Method and apparatus for estimating rotor angle and rotor speed of synchronous reluctance motor at start-up |
| 02/20/2013 | CN102938626A Micro-size single-phase permanent-magnet synchronous motor |
| 02/20/2013 | CN102215024B Difference voltage spatial vector modulation method with selector |
| 02/20/2013 | CN102097988B Method and system for measuring position compensation angles of permanent magnet synchronous motor rotor |
| 02/20/2013 | CN101849350B Method and apparatus for compensation of vibration effects of network asymmetry in a double-powered asynchronous machine |
| 02/19/2013 | US8378601 Control apparatus for permanent magnet synchronous motor |
| 02/14/2013 | WO2013021998A1 Control device |
| 02/14/2013 | WO2013021562A1 Motor control device |
| 02/14/2013 | US20130038256 Rotary machine control apparatus |
| 02/13/2013 | EP2556588A1 Adjustment device and an electric drive of an elevator |
| 02/13/2013 | EP2556587A2 Method for setting an optimal operating point for a synchronous machine, method for controlling a synchronous machine, and synchronous machine |
| 02/13/2013 | CN202737802U Vector control frequency converter |