| 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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| 06/16/2011 | CA2782558A1 Device for controlling a permanent-magnet synchronous machine |
| 06/15/2011 | EP2333948A2 Inverter control device and motor drive system |
| 06/15/2011 | CN201869155U Synchronous motor AC-AC frequency conversion vector control system based on VME bus |
| 06/15/2011 | CN201869154U VME bus-based AC-AC frequency conversion vector control system for synchronous motor transmission of mine hoist |
| 06/15/2011 | CN201869153U Drive controller for permanent magnet synchronous motor of electromobile |
| 06/15/2011 | CN201869147U Full-digital step driver based on vector control |
| 06/15/2011 | CN102098000A Weak magnetic speed regulating method for induction motor |
| 06/15/2011 | CN102097999A Motor control device, motor drive system and inverter control device |
| 06/15/2011 | CN102097988A Method and system for measuring position compensation angles of permanent magnet synchronous motor rotor |
| 06/15/2011 | CN102097987A Method for compensating starting torque of weighting sensor-free elevator traction permanent magnet synchronous motor |
| 06/14/2011 | US7960926 Controller for AC rotary machine |
| 06/09/2011 | DE102010033459A1 Verfahren zur Fehlererkennung bei der Ansteuerung eines Drehfeldmotors Method for detecting faults in the control of a rotating-field motor |
| 06/08/2011 | CN201860292U Measurement control device for position and speed of rotor of double-fed motor |
| 06/08/2011 | CN102088271A Sensor-less sine DC (direct current) variable frequency current sampling method |
| 06/08/2011 | CN101299590B Anti-windup control for a current regulator of a pulse width modulation inverter |
| 06/08/2011 | CN101267184B Method and system for controlling permanent magnet AC machines |
| 06/03/2011 | WO2011065406A1 Ac motor drive-control apparatus and reference magnetic-flux calculation device |
| 06/03/2011 | WO2011065165A1 Control device of motor drive device |
| 06/03/2011 | WO2011064846A1 Electric vehicle power conversion device |
| 06/02/2011 | US20110127934 Motor control device and electric power steering device |
| 06/01/2011 | EP2327871A2 Method for operating a fuel pump in a motor vehicle and fuel pump |
| 06/01/2011 | DE10204110B4 Motortreiberschaltkreis und Verfahren zur Steuerung des Motortreiberschaltkreises Motor driver circuit and method for controlling the motor driver circuit |
| 06/01/2011 | DE102008015206B4 Verfahren und Vorrichtung zur Identifikation einer Reluktanz eines Synchronmotors Method and apparatus for identification of a reluctance of a synchronous motor |
| 06/01/2011 | CN201854242U Energy consumption-time optimum control system of linear motor servo system |
| 06/01/2011 | CN201854230U Multi-motor synchronous control system |
| 06/01/2011 | CN102084587A Method and apparatus for control of electrical machines |
| 06/01/2011 | CN102082544A Bearingless synchronous reluctance motor torque and suspension force direct controller and construction method thereof |
| 06/01/2011 | CN102082543A Method for controlling double-feed wind driven generator under imbalanced power grid voltage |
| 06/01/2011 | CN102082542A VME (Versa Module Eurocard)-bus-based vector control system of three-phase asynchronous motor |
| 06/01/2011 | CN102082541A Overcurrent inhibition method for doubly-fed wind driven generator rotor in grid fault |
| 06/01/2011 | CN101383584B 电动机控制装置 A motor control unit |
| 06/01/2011 | CN101364785B Motor control device and compressor |
| 05/25/2011 | EP2326000A2 Motor control unit and vehicle steering system |
| 05/25/2011 | CN201846300U Closed loop vector control frequency converter |
| 05/25/2011 | CN102077458A Method for determining the inductances of a permanent magnet synchronous machine |
| 05/25/2011 | CN102075138A Charging and discharging control system and method of flywheel battery |
| 05/25/2011 | CN102075136A Soft measurement method for magnetic flux linkage of bearingless permanent magnet synchronous motor |
| 05/25/2011 | CN102075131A Low-speed and zero-speed rotor position observation method and device during fault-tolerant operation of synchronous motor |
| 05/25/2011 | CN102075127A Permanent magnet synchronous motor servo driving device and position control method thereof |
| 05/25/2011 | CN101479925B Vector control apparatus for induction motor, vector control method for induction motor, and drive control apparatus for induction motor |
| 05/19/2011 | WO2011057660A1 Apparatus and method for generating electromagnetic torque in an electric machine |
| 05/19/2011 | WO2009138821A4 Method and apparatus for control of an ac electric motor with field weakening |
| 05/19/2011 | US20110118940 Motor control unit and vehicle steering system |
| 05/19/2011 | DE102010041944A1 Verfahren, Systeme und Geräte für das dynamische Steuern eines elektrischen Motors, welcher eine ölpumpe antreibt Methods, systems, and devices for the dynamic control of an electric motor, which drives an oil pump |
| 05/18/2011 | EP2322374A1 Power conversion device |
| 05/18/2011 | EP2321158A1 Device and method for controlling an electric motor |
| 05/18/2011 | CN201839252U AC variable frequency stepless speed regulation system of boring lathe spindle |
| 05/18/2011 | CN102067438A Motor control device and vehicle-steering device comprising same |
| 05/18/2011 | CN102067432A Circuit board, method for determining a current space indicator, rectifier, circuit board, and series of rectifiers |
| 05/18/2011 | CN102064760A Method for controlling commutation according to voltage type commutation strategy for matrix converter |
| 05/18/2011 | CN101599737B Permanent magnet flux-switching generator voltage control method by space vector modulation |
| 05/18/2011 | CN101594116B Double-core and split surge torsion runaway frequency conversion inhibiting system for high voltage motor of power plant |
| 05/17/2011 | US7944161 DC bus discharge in an electric motor system |
| 05/17/2011 | US7944160 Redundant DC bus discharge for an electric motor system |
| 05/12/2011 | US20110112724 Motor control unit and vehicle steering system |
| 05/11/2011 | EP2320558A2 Electrical circuit for generating electrical energy |
| 05/11/2011 | EP2319172A1 Operating a synchronous motor having a permanent magnet rotor |
| 05/11/2011 | EP2319171A1 Direct power and stator flux vector control of a generator for wind energy conversion system |
| 05/11/2011 | EP2319170A1 Control of a voltage source converter using synchronous machine emulation |
| 05/11/2011 | EP2318818A1 Method and device for determining the rotor temperature of a permanently excited synchronous machine |
| 05/11/2011 | CN201830196U Control device of sine-wave linear motor for feeding and driving high-precision numerical control machine tool |
| 05/11/2011 | CN102057566A Centrifugal pump unit |
| 05/11/2011 | CN102057229A Air conditioner, air conditioner manufacturing method, and compressor |
| 05/11/2011 | CN102055402A Rotation speed and parameter simultaneous identification method of induction machine |
| 05/11/2011 | CN102055401A System and method for controlling indirect torque of single regulating loop of three-phase induction motor |
| 05/11/2011 | CN102055400A Novel control method for wind power full power current transformer |
| 05/11/2011 | CN102055390A Construction method for neural network Alpha-order inverse controller of bearing-free brushless DC motor |
| 05/11/2011 | CN101351956B Electric motor drive control method and apparatus |
| 05/11/2011 | CN101227166B Induction motor controller |
| 05/11/2011 | CN101174811B Electric motor control method and device adopting space vector pulse width modulation |
| 05/04/2011 | EP2317642A1 Motor control device and electric power steering device |
| 05/04/2011 | EP1587210B1 Motor and drive control device therefor |
| 05/04/2011 | CN201821317U Frequency-conversion driven and controlled protection detecting and feedback circuit of mine hoist |
| 05/04/2011 | CN201821316U Dedicated load follow-up intelligent electricity-saving control cabinet for high-power conveyor belt |
| 05/04/2011 | CN201821118U Direct drive wind power generation system based on double SVPWM current mode converter |
| 05/04/2011 | CN102047552A Motor control device and electric power steering device |
| 05/04/2011 | CN102045021A Methods, systems and apparatus for dynamically controlling an electric motor that drives an oil pump |
| 05/04/2011 | CN102045020A Method for detecting position of rotor of permanent magnet motor |
| 05/04/2011 | CN102045013A Fail-safe controls for electric traction drive systems |
| 05/04/2011 | CN101286727B 电动机控制装置 A motor control unit |
| 05/04/2011 | CN101154911B Motor control device and motor drive system |
| 05/04/2011 | CN101145754B Current detecting unit and motor control device |
| 04/28/2011 | US20110098888 Motor control device and vehicle-steering device comprising same |
| 04/28/2011 | DE102010040433A1 Verfahren und System zum Überwachen von Leistungselektronik-Steuerungen in elektrischen Systemen für Kraftfahrzeuge A method and system for monitoring of power electronics controls in electrical systems for motor vehicles |
| 04/27/2011 | CN102035463A 6 kV medium voltage frequency converter based on neutral-point-clamped three-level technology |
| 04/27/2011 | CN102035456A Direct torque control system of permanent magnet synchronous motor based on terminal sliding mode |
| 04/27/2011 | CN102035455A M/T speed measuring method for frequency converter |
| 04/27/2011 | CN102035449A All-in-one gantry crane direct-driving and vector control device |
| 04/27/2011 | CN102035445A High-speed weak magnetic closed loop control method for permanent magnetic synchronous motor |
| 04/27/2011 | CN101443995B Control device for AC rotary machinery |
| 04/21/2011 | DE10355287B4 Ansteuereinrichtung für elektrische Maschinen The drive device for electric machines |
| 04/21/2011 | DE102009044263A1 Servo motor system, has servo motor with coder that is mechanically connected with motor unit and exhibits CPU and storage unit electrically connected with CPU, where storage unit stores data parameters of motor unit |
| 04/20/2011 | EP2312743A1 Device and method for controlling ac electric motor |
| 04/20/2011 | EP2312160A2 Drive unit for compressor and refrigerator |
| 04/20/2011 | EP2312159A2 Drive unit for compressor and refrigerator |
| 04/20/2011 | EP2311630A2 Press machine and method of controlling the same |
| 04/20/2011 | CN102027670A Motor control device, and electric steering device |
| 04/20/2011 | CN102025316A Direct torque control system for ceramic electricity spindle of digit control machine tool |
| 04/20/2011 | CN102025313A Vector control method based on counter potential feedforward control |
| 04/20/2011 | CN102025312A Motor control device and electrical equipment |