| 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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| 09/16/2009 | EP1910055B1 Blown film manufacturing installation and method for the operation thereof |
| 09/16/2009 | CN101536303A Electric motor car control apparatus |
| 09/16/2009 | CN101536302A Open-loop and/or closed-loop control of a 3-phase power converter for the operation of an asynchronous machine |
| 09/16/2009 | CN101534088A Position-sensorless motor control device |
| 09/11/2009 | WO2009111018A1 Varying flux versus torque for maximum efficiency |
| 09/10/2009 | US20090224707 Electric Motor Control |
| 09/09/2009 | EP2099125A2 Systems and methods involving dynamic closed loop motor control and flux weakening |
| 09/09/2009 | CN101529714A Vector controller of permanent magnet synchronous motor |
| 09/09/2009 | CN100539392C Motor control apparatus |
| 09/09/2009 | CN100539391C Synchronous machine controller |
| 09/09/2009 | CN100539389C Handheld or stationary power tool and operation method for its drive unit |
| 09/03/2009 | US20090218965 Electric Motor Control |
| 09/02/2009 | EP2096751A1 Electric motor car control apparatus |
| 09/02/2009 | EP2096750A2 Method and apparatus for assembling electrical machines |
| 09/02/2009 | CN101521482A Method and apparatus for assembling electrical machines |
| 09/02/2009 | CN101521481A Asymmetry coordination direct power control method of double-fed asynchronous wind power generation system |
| 08/27/2009 | WO2009105276A1 Method and system for braking an ac motor |
| 08/27/2009 | WO2009104553A1 Permanent magnet type rotary motor, assembly method for permanent magnet type rotary motor, disassembly method for permanent magnet type rotary motor, and permanent magnet type rotary motor drive system |
| 08/27/2009 | WO2009104529A1 Permanent magnet type dynamo electric machine, method for assembling permanent magnet type dynamo electric machine, method for disassembling permanent magnet type dynamo electric machine and permanent magnet motor drive system |
| 08/27/2009 | US20090212734 Torque limit of pm motors for field-weakening region operation |
| 08/27/2009 | CA2714698A1 Method and system for braking an ac motor |
| 08/26/2009 | EP2093878A1 Controller of ac rotating machine |
| 08/26/2009 | EP2093098A1 Wheel driving apparatus and electric vehicle including the same |
| 08/26/2009 | CN201298820Y Motor control system for pumping unit in oil field |
| 08/26/2009 | CN101515782A Phase voltage difference value type SVPWM control method for asynchronous motor |
| 08/26/2009 | CN101515780A Control method for compensating location torque of permanent-magnet motor by injecting current harmonics |
| 08/25/2009 | US7579798 Inverter for washer and inverter for washer-drier |
| 08/20/2009 | US20090206780 Method and Device for Operating a Synchronous Machine |
| 08/19/2009 | CN101510749A Three freedom degree plane motor servo controller based on dual-DSP |
| 08/19/2009 | CN101510706A AC asynchronous speed-regulating motor |
| 08/19/2009 | CN100530935C Vector controller for a permanent magnet synchronous motor |
| 08/18/2009 | CA2547023C Battery response control unit and process for an asynchronous machine, data storage medium for this process |
| 08/13/2009 | DE102008058434A1 Motoransteuerungsvorrichtung und -verfahren für ein elektrisches Kraftlenksystem Motor control apparatus and method for an electric power steering system |
| 08/12/2009 | EP2087585A1 Open-loop and/or closed-loop control of a 3-phase power converter for the operation of an asynchronous machine |
| 08/12/2009 | CN101507101A Permanent magnet synchronization motor vector control device |
| 08/12/2009 | CN101507100A AC motor vector control apparatus |
| 08/12/2009 | CN101505135A Controllable flux permanent magnet synchronous motor driving apparatus for built-in mixed rotor |
| 08/12/2009 | CN101505131A Asymmetric direct power control method for dual feed asynchronous wind power generator |
| 08/11/2009 | US7574294 Controller for electric power steering device |
| 08/06/2009 | WO2009096066A1 Rotating armature controller |
| 08/06/2009 | WO2009095963A1 Magnetic pole position estimation method for ac synchronous motor |
| 08/06/2009 | WO2009043556A3 Method and control system for controlling a synchronous electric machine |
| 08/06/2009 | US20090195201 Method for controlling an ac electronic motor and device for carrying out said method |
| 08/06/2009 | US20090195198 Motor and method for starting the same |
| 08/06/2009 | DE102008007100A1 Device i.e. pre-controller, for e.g. linear actuator, in field-oriented co-ordinate system, has synchronous machine, where manipulated variable over plugged by device over integral divider of electrical angle in circuit |
| 08/06/2009 | CA2713403A1 Method and system for multiphase current sensing |
| 08/05/2009 | EP2086106A2 Motor controller and vehicular steering system using said motor controller |
| 08/05/2009 | EP2086105A2 Motor and method for starting the same |
| 08/05/2009 | CN101499753A Brushless servo control system and driving apparatus based on permanent magnet brushless DC motor |
| 07/30/2009 | WO2009071642A8 Applying a control unit to an asynchronous machine which is operated without a rotary encoder |
| 07/30/2009 | DE102008063295A1 Motorregeleinrichtung und Motorregelsystem Motor controller and motor control system |
| 07/29/2009 | CN101496275A Drive and method |
| 07/29/2009 | CN101496274A Drive and method |
| 07/29/2009 | CN101494436A Non sensing control device and method of induction motor |
| 07/29/2009 | CN100521503C Motor controller |
| 07/23/2009 | WO2009091015A1 Motor control device and electric power steering device |
| 07/23/2009 | DE102008058872A1 Verfahren und System zur sensorlosen Steuerung eines Elektromotors Method and system for sensorless control of an electric motor |
| 07/22/2009 | CN101490946A 可变磁通电动机驱动器系统 The variable-flux motor drive system |
| 07/16/2009 | WO2009087991A1 Motor control device and electric power steering device |
| 07/16/2009 | US20090179602 Rotary electric machine control device, rotary electric machine control method, and rotary electric machine control program |
| 07/15/2009 | CN100514837C Integrated method for vector control of induction electromotor frequency conversion under voltage and direct toque control |
| 07/09/2009 | WO2009084290A1 Converter apparatus, rotary electric machine controller and drive unit |
| 07/09/2009 | WO2009083324A1 Method for determining the temperature of a rotor of a synchronization machine |
| 07/09/2009 | WO2009066865A3 Motor and apparatus and method for controlling the motor |
| 07/08/2009 | CN101479926A Regulator and method for regulating a continuously variable electrical gearbox |
| 07/08/2009 | CN101479925A Vector control apparatus for induction motor, vector control method for induction motor, and drive control apparatus for induction motor |
| 07/08/2009 | CN101478283A Dual feedback asynchronous wind power generator rotor side inverter control method under unbalanced electric grid voltage |
| 07/08/2009 | CN100511966C Contrl device for AC motor |
| 07/08/2009 | CN100511038C Decoupling a harmonic signal from a signal path |
| 07/07/2009 | CA2371322C Process and device for the control and regulation of an alternating current, specifically synchronous, electric rotating machine |
| 07/02/2009 | WO2009082068A2 Method for controlling motor of air conditioner |
| 07/02/2009 | WO2009082066A2 Motor controller of air conditioner |
| 07/02/2009 | WO2009082065A2 Motor controller of air conditioner |
| 07/02/2009 | WO2009080911A2 Method for calculating, using a computer, a three-phase regulator of a three-phase system having a three-phase model |
| 07/02/2009 | WO2009080407A1 Method for operating a rotating electric machine |
| 07/02/2009 | US20090167236 Control Apparatus for AC Rotary Machine and Control Method for AC Rotary Machine |
| 07/02/2009 | US20090167222 Method and device for determining the torque of an electric machine |
| 07/02/2009 | CA2705721A1 Method for operating a rotating electric machine |
| 07/01/2009 | EP2075906A1 Vector controller of permanent magnet synchronous motor |
| 07/01/2009 | EP2075904A1 Sensorless control apparatus of synchronous machine |
| 07/01/2009 | EP1620767B1 Method for modernising a technical system and an appropriate drive element |
| 07/01/2009 | CN100508365C Controller for high-power, high voltage and five level frequency conversion voltage adjusting device |
| 06/30/2009 | US7554281 Synchronous machine control apparatus |
| 06/25/2009 | WO2009078720A1 A method of operating an electromechanical converter, a controller and a computer program product |
| 06/25/2009 | WO2009078216A1 Induction motor control device and motor constant measurement/computing method therefor |
| 06/25/2009 | US20090160394 Sensorless control apparatus and method for induction motor |
| 06/25/2009 | US20090160381 Apparatus for controlling torque of electric rotating machine |
| 06/25/2009 | US20090160377 Control system for multiphase rotary machines |
| 06/25/2009 | US20090160376 Control system for multiphase rotary machines |
| 06/25/2009 | DE102008062515A1 Vorrichtung zum Steuern eines Drehmoments einer elektrischen Drehmaschine An apparatus for controlling a torque of a rotary electric machine |
| 06/25/2009 | DE102008058439A1 Elektromotorantriebssysteme, Kraftfahrzeuge und Phasenstromregelungsverfahren Electric motor drive systems, motor vehicles and phase current control method |
| 06/25/2009 | DE102007058209A1 Verfahren zum Aufschalten eines Umrichters auf eine geberlos betriebene Asynchronmaschine Method for Intrusion of an inverter to run a sensorless induction machine |
| 06/24/2009 | CN101467343A Current limitation for a double-fed asynchronous machine |
| 06/24/2009 | CN101465617A Vector control technology and device for power unit cascade type high voltage frequency changer |
| 06/24/2009 | CN100503304C Electrically operated drive controller, electrically operated drive control method and its program |
| 06/23/2009 | US7550937 Method for detecting initial magnetic pole position in permanent-magnet motor |
| 06/23/2009 | CA2319402C Method for regulating a three-phase machine without a mechanical rotary transducer |
| 06/17/2009 | CN101459407A Initial position detection method for permanent magnet synchronous electric motor rotor |
| 06/17/2009 | CN101459406A Automatic detection method and apparatus for double feeding motor rotor initial position angle |
| 06/16/2009 | US7548039 Motor control unit |