| 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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| 03/14/2007 | CN1927686A Elevator control device |
| 03/13/2007 | US7190130 Electric motor pole position sensing method, pole position sensing apparatus, and electric motor control apparatus using the same |
| 03/13/2007 | US7188702 Electric power steering apparatus |
| 03/08/2007 | US20070055425 Electric power steering system |
| 03/08/2007 | US20070052381 Electric power steering system |
| 03/07/2007 | CN1926757A Control device for permanent-magnet synchronous motor |
| 03/06/2007 | US7187155 Leakage inductance saturation compensation for a slip control technique of a motor drive |
| 03/06/2007 | US7187145 Motor controller |
| 02/28/2007 | EP1758240A2 Motor control device |
| 02/28/2007 | EP1758239A2 Self tuning method and apparatus for permanent magnet motor sensorless control |
| 02/28/2007 | EP1756938A1 Handheld or stationary power tool comprising a drive unit |
| 02/28/2007 | CN1922783A Induction motor stopping method and control apparatus |
| 02/22/2007 | DE102006027713A1 Online-Steuerung des minimalen Kupferverlusts der Synchronmaschine mit innerem Permanentmagneten für Kraftfahrzeuganwendungen On-line control of the minimum copper loss of the synchronous machine with internal permanent magnet for automotive applications |
| 02/21/2007 | EP1755212A2 Power factor control for floating frame controller for sensorless control of synchronous machines |
| 02/21/2007 | EP1755211A1 Resistance estimation of an AC electrical motor |
| 02/21/2007 | CN1918781A Motor driving apparatus |
| 02/21/2007 | CN1918780A Position sensorless drive for permanent magnet synchronous motors |
| 02/21/2007 | CN1917356A Position-sensorless motor control device |
| 02/21/2007 | CN1301587C A control method for switch magnetic resistance servo-motor |
| 02/21/2007 | CN1301586C Electric motor pole position sensing method, pole position sensing apparatus, and electric motor control apparatus using the same |
| 02/20/2007 | US7180262 Control system and method for electric drives with a.c. motors |
| 02/15/2007 | DE10214622B4 Sensorlose Regelung für einen Asynchronmotor Sensorless control for an induction motor |
| 02/15/2007 | DE10108173B4 Verfahren und Vorrichtung zur Momentenregelung eines Elektromotors in einem Steer-by-Wire-Lenksystem Method and device for torque control of an electric motor in a steer-by-wire steering system |
| 02/14/2007 | EP1753125A2 Vector controller for permanent magnet synchronous motor |
| 02/14/2007 | EP0899864B1 Induction motor controller |
| 02/14/2007 | CN1914788A Brushless motor start method, drive device, and refrigerator |
| 02/14/2007 | CN1913340A Vector controller for permanent magnet synchronous motor |
| 02/13/2007 | US7176652 Motor control apparatus |
| 02/13/2007 | US7176644 Motor driving apparatus |
| 01/31/2007 | EP1748550A1 Synchronous machine controller |
| 01/31/2007 | EP1748549A2 Wind turbine generator system |
| 01/31/2007 | CN1297462C Traverse method and controller thereof |
| 01/30/2007 | US7170283 Device for detecting a position of a magnetic pole |
| 01/30/2007 | US7170256 Motor control device |
| 01/30/2007 | US7170255 Feedforward controller for synchronous reluctance machines |
| 01/30/2007 | US7170247 Method of control of magnetic sound of alternating current rotating machine |
| 01/25/2007 | US20070021873 Predictive control system and method |
| 01/25/2007 | US20070018606 Method and device for sensorless vector control for ac motor |
| 01/25/2007 | US20070018605 Device for estimating pole position of synchronous motor |
| 01/25/2007 | DE102005034243A1 Verfahren zur geberlosen Drehzahlbestimmung einer Asynchronmaschine A method for sensorless speed determination of an asynchronous |
| 01/24/2007 | EP1746718A1 Method for directly controlling the reactance of a revolving field machine |
| 01/24/2007 | EP1746717A2 Method for sensorless speed estimation of an asynchronous induction machine |
| 01/24/2007 | CN1902813A Motor controller |
| 01/18/2007 | WO2007007900A1 Secondary battery control device and control method |
| 01/18/2007 | WO2007007387A1 Controller of field winding type synchronous motor, electric drive system, electric four wheel driving vehicle, and hybrid automobile |
| 01/18/2007 | WO2007006472A1 Blown film manufacturing installation and method for the operation thereof |
| 01/17/2007 | CN1897456A Permanent magnetism synchrounous electromotor control device |
| 01/17/2007 | CN1897455A Motor drive unit |
| 01/11/2007 | US20070007920 Motor controller |
| 01/11/2007 | US20070007072 Controller for electric power steering device |
| 01/10/2007 | EP1742347A2 Enhanced floating reference frame controller for sensorless control of synchronous machines |
| 01/10/2007 | EP1742067A2 Method for detecting the speed and the position of a rotating shaft |
| 01/10/2007 | CN1294695C Vector control system without sensor for inductive motor and method |
| 01/09/2007 | US7161325 Lead-angle control method and device for operating permanent magnet synchronous motor in flux weakening regions |
| 01/09/2007 | US7161324 Device for estimating pole position of synchronous motor |
| 01/04/2007 | WO2007001007A1 Power conversion control device, power conversion control method, and power conversion control program |
| 01/03/2007 | CN1293701C Step failing out detecting apparatus and method for synchronous motor, driving apparatus for motor |
| 12/28/2006 | US20060290338 Device for determining constant of rotating machine |
| 12/27/2006 | EP1737121A2 Induction motor controller |
| 12/27/2006 | EP1737118A1 Motor controller |
| 12/27/2006 | EP1737116A1 Motor controller |
| 12/27/2006 | CN2852527Y Wide band speed-regulating constant power high-speed electric main shaft |
| 12/27/2006 | CN1885708A Constructing method for bearingless synchronous reluctance motor feedforward compensation controller |
| 12/20/2006 | EP1653601A9 Method for estimating the rotor speed and position of a permanent magnet synchronous machine |
| 12/20/2006 | CN1882889A Decoupling a harmonic signal from a signal path |
| 12/20/2006 | CN1881767A Control structure of full power type AC-DC-AC converter for wind power generation |
| 12/19/2006 | US7151354 Magnetic noise reduction method for AC rotary electric machine, and motor control apparatus and AC rotary electric machine apparatus using the same |
| 12/13/2006 | EP1730836A2 Instantaneous power floating frame controller |
| 12/13/2006 | EP1540810B1 Position sensor emulator for a synchronous motor/ generator with a wound rotor |
| 12/13/2006 | CN1289737C Washing machine |
| 12/12/2006 | US7148652 Method and apparatus for determining and handling brake failures in open loop variable frequency drive motors |
| 12/07/2006 | US20060273753 Methods and apparatus for optimal voltage and frequency control of thermally limited systems |
| 12/07/2006 | DE19809712B9 Drehzahlvariable Antriebseinrichtung für Asynchronmaschinen Variable speed drive mechanism for induction motors |
| 12/06/2006 | EP1729407A1 Controller of permanent magnet synchronous motor |
| 12/06/2006 | EP1479157B1 Method for the detection of abnormalities of electric motors |
| 12/06/2006 | CN1874140A Speed control apparatus of vector controlled alternating current motor |
| 12/05/2006 | US7145311 Vector control device of winding field type synchronous machine |
| 12/05/2006 | US7145262 Wind turbine generator system |
| 11/29/2006 | EP1727272A2 Deadbeat method and control unit for an asynchronous machine, storage means for said method |
| 11/29/2006 | CN1870419A Deadbeat control method and control unit for an asynchronous rotary electrical machine and a storage medium therefor |
| 11/29/2006 | CN1870418A Constant torque output high voltage high power frequency changer and its control method |
| 11/28/2006 | US7141953 Methods and apparatus for optimal voltage and frequency control of thermally limited systems |
| 11/28/2006 | US7141952 Determination of start commutation in synchronous servo-drives |
| 11/22/2006 | EP1724913A2 A controller for permanent magnet generator and a generator in combination with such a controller |
| 11/22/2006 | EP1723716A1 Method and control system for an ac induction motor |
| 11/22/2006 | CN2838526Y Motor driving device for dinnerware washing machine |
| 11/16/2006 | DE112004002642T5 Plausibilitätsprüfung eines elektrischen Drei-Phasen-Systems The plausibility check of an electric three-phase system |
| 11/15/2006 | EP1722470A2 Method and circuit configuration for approximate adjustment of a voltage space vector |
| 11/15/2006 | EP1722469A1 Motor-driven power steering device control device |
| 11/14/2006 | US7135828 System and method for controlling a permanent magnet electric motor |
| 11/09/2006 | WO2006083470B1 A control technique for limiting the current of an induction machine drive system |
| 11/08/2006 | EP1720242A1 Device for controlling motor-driven power steering device |
| 11/08/2006 | CN1860675A Motor operation control device |
| 11/08/2006 | CN1858988A Permanent magnet synchronous motor vector control system |
| 11/07/2006 | US7133602 Power supply apparatus, motor drive control method using the same and motor vehicle having the same mounted thereon |
| 11/02/2006 | EP1717945A1 Motor driving apparatus |
| 11/02/2006 | DE112004002293T5 Entkopplung eines Oberwellensignals von einem Signalpfad Decoupling a harmonic signal from a signal path |
| 11/01/2006 | CN1283041C Method or controlling permanent magnet synchronous motor-air conditioner compressor system without speed sensor |
| 11/01/2006 | CN1283040C Control method for implementing magnetic field accurate orientation of asynchronous motor rotor using voltage closed-loop |
| 10/31/2006 | US7129673 Method and device for the regulation of permanent-magnet excited synchronous machine having reduced power oscillations in the higher rotational speed range |