| 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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| 06/14/2006 | DE102005054897A1 Synchronous reluctance motor startup control device has position/speed estimator for calculating rotor position error based on response current component extracted in respect to injection voltage, to estimate speed and position of rotor |
| 06/14/2006 | CN1787358A Apparatus and method for controlling velocity of motor |
| 06/14/2006 | CN1259773C Compensate control method for AC servo motor moment disturbance |
| 06/08/2006 | WO2006060537A1 Method and apparatus for field weakening control in an ac motor drive system |
| 06/08/2006 | WO2006060319A1 High power density/limited dc ink voltage synchronous motor drive |
| 06/08/2006 | US20060119312 Motor drive apparatus capable of accurately estimating demagtization of permanent magnet motor |
| 06/08/2006 | US20060119105 Power generating system and its control method |
| 06/08/2006 | DE10392477T5 Elektromotor-Steuersystem Electric motor control system |
| 06/08/2006 | DE102004027635A1 Handgeführtes oder stationäres Elektrowerkzeug mit einer Antriebseinheit The hand-held or stationary power tool with a drive unit |
| 06/07/2006 | CN1784824A Controller of permanent magnet synchronous motor |
| 06/07/2006 | CN1784637A Method for modernising a technical system and an appropriate drive element |
| 06/07/2006 | CN1783699A Motor controller and steering device |
| 06/07/2006 | CN1783694A Synchronous motor driving apparatus |
| 06/07/2006 | CN1783692A Speed controller of synchronous motor |
| 06/07/2006 | CN1258868C Initial magnetic pole estimating device for AC synchronous motor |
| 06/06/2006 | US7057361 Inverter control device and electric vehicle thereof |
| 06/01/2006 | US20060113949 Method for detecting/adjusting synchronous motor rotor position |
| 06/01/2006 | DE19636784B4 Steuerungsvorrichtung für einen Permanentmagnet-Synchronmotor A control apparatus for a permanent magnet synchronous motor |
| 05/31/2006 | EP1662650A1 Synchronous motor control method and synchronous motor control system |
| 05/31/2006 | EP1662648A2 Synchronous motor driving apparatus |
| 05/31/2006 | EP1661237A1 System for operating dc motors and power converters |
| 05/30/2006 | US7053626 Device and method for monitoring the connection of an electrical supply unit |
| 05/30/2006 | US7053584 Motor driving device |
| 05/30/2006 | US7053581 Electrically operated drive controller, electrically operated drive control method and its program |
| 05/25/2006 | US20060108968 Determination of start commutation in synchronous servo-drives |
| 05/24/2006 | EP1659684A1 Controller of rotating machine |
| 05/24/2006 | CN1778033A Ac servo driver motor power line disconnection detection method |
| 05/23/2006 | US7049783 Method of control of magnetic sound of alternating current rotating machine |
| 05/23/2006 | US7049782 Electrically operated drive controller, electrically operated drive control method and its program |
| 05/18/2006 | DE112004001141T5 Algorithmus für eine positionssensorlose Steuerung einer Wechselstrommaschine Algorithm for a position sensorless control of an alternating current machine |
| 05/18/2006 | DE10393971T5 Leistungserzeugungssystem und Steuerverfahren davon Power generation system and control method thereof |
| 05/17/2006 | EP1413046B1 Adaptive control architecture for electric machines |
| 05/17/2006 | CN1256801C Method for estimating the magnetic pole location of a synchronous motor and control device of synchronous motor |
| 05/16/2006 | US7047150 Method for determining a rotor position of a synchronous motor |
| 05/16/2006 | US7047116 Electric drive control apparatus, electric drive control method and program therefor |
| 05/16/2006 | US7045988 Sensorless controller of AC motor and control method |
| 05/10/2006 | EP1219015A4 Low ripple permanent magnet motor control |
| 05/10/2006 | CN1771440A Device for determining constant of rotating machine |
| 05/10/2006 | CN1255933C Air-conditioning apparatus |
| 05/09/2006 | US7043395 Method for detecting the magnetic flux the rotor position and/or the rotational speed |
| 05/09/2006 | US7042193 Control apparatus for rotating machine |
| 05/09/2006 | US7042192 Switch assembly, electric machine having the switch assembly, and method of controlling the same |
| 05/09/2006 | US7042190 Motor control apparatus and motor control method |
| 05/09/2006 | US7042186 Decoupling a harmonic signal from a signal path |
| 05/09/2006 | US7040450 Power-assisted steering system |
| 05/04/2006 | WO2005067552B1 Position sensorless drive for permanent magnet synchronous motors |
| 05/04/2006 | US20060091845 Control system and method for electric drives with a.c. motors |
| 05/03/2006 | EP1653601A1 Method for estimating the rotor speed and position of a permanent magnet synchronous machine |
| 05/03/2006 | EP1652289A1 Method for the controlled application of a stator-current target value and a torque target value for a polyphase machine that is supplied by an electronic power converter |
| 05/03/2006 | CN1767367A DC pre-excitation for three level variable-frequency speed-governing system start process |
| 05/02/2006 | US7039542 Method of measuring motor constant for induction motor |
| 04/27/2006 | DE19523971B4 Verfahren und Vorrichtung zum Regeln eines Induktionsmotors Method and apparatus for controlling an induction motor |
| 04/27/2006 | DE10300953B4 Verfahren zum Bremsen eines mittels eines Stromrichter gespeisten Motors A method for braking a motor fed by a converter |
| 04/26/2006 | EP1649592A1 Motor drive apparatus capable of accurately estimating demagnetization of permanent magnet motor |
| 04/25/2006 | US7034493 Motor control apparatus and motor control method |
| 04/19/2006 | EP1648082A1 Method and Device for controlling the power of permanent excited electrical synchronous machines |
| 04/18/2006 | US7030589 Driving systems of AC motor |
| 04/13/2006 | US20060076919 Feedforward controller for synchronous reluctance machines |
| 04/13/2006 | DE102005045323A1 Positionssensorstörungstolerante Steuerung für Kraftfahrzeugvortriebssystem Position sensor fault-tolerant control for vehicle propulsion system |
| 04/12/2006 | EP1646138A1 Device for estimating pole position of synchronous motor |
| 04/12/2006 | EP1645032A1 Sensorless control method and apparatus for a motor drive system |
| 04/12/2006 | CN1759529A Method and device for sensorless vector control for AC motor |
| 04/11/2006 | US7026779 Motor control apparatus for controlling operation of mover of motor |
| 04/11/2006 | US7026772 Position sensorless drive for permanent magnet synchronous motors |
| 04/06/2006 | US20060071628 Motor and drive control device therefor |
| 04/06/2006 | DE10336068B4 Verfahren zur gesteuerten Einprägung eines Ständerstrom- und eines Drehmoment-Sollwertes für eine stromrichtergespeiste Drehfeldmaschine Method for the controlled impressing a stator current and a torque setpoint for an inverter-fed induction machine |
| 04/05/2006 | EP1642382A1 Determination of start commutation in synchronous servo drives |
| 04/05/2006 | CN1249906C Motor controller |
| 04/04/2006 | US7024332 Method and device for identifying a faulty rotor position angle signal |
| 04/04/2006 | US7023166 Method for torque control of an induction motor using a voltage controller |
| 04/04/2006 | US7023157 Stepping motor drive device and method |
| 03/30/2006 | DE102005041820A1 Feldabschwächungs-Motorsteuerungssystem und -Verfahren Field relaxation engine control system and method |
| 03/30/2006 | DE102005041621A1 Verzögerungskompensation zu Gunsten einer stabilen Stromregelung bei Anwendung eines wahlfreien PWM_Schaltens mit variabler Verzögerung Delay compensation in favor of a stable current control when using a random PWM_Schaltens variable delay |
| 03/30/2006 | DE102004044133A1 Control method for regulating a three-phase electric motor uses a power high-level stage for triggering the three phases |
| 03/29/2006 | CN1754306A Compressor driving unit and refrigerator using the same |
| 03/28/2006 | US7019486 Motor control device |
| 03/28/2006 | US7019484 Stepping motor driver |
| 03/28/2006 | US7017377 Washing machine with vector control for drive motor |
| 03/28/2006 | CA2518517A1 Method and apparatus to reduce common mode voltages applied to a load by a drive |
| 03/23/2006 | DE102005041360A1 Motorantriebssteuerungsgerät, Motorantriebssteuerungsverfahren und zugehöriges Programm Motor drive control device, motor drive control method and associated program |
| 03/22/2006 | CN1749357A Identifying and automatic aligning system for coking furnace machinery furnace number |
| 03/21/2006 | US7015667 Current regulation for a field weakening motor control system and method |
| 03/16/2006 | WO2006027941A1 Servomotor current control method and servomotor |
| 03/16/2006 | US20060055361 Method and device for the regulation of permanent-magnet excited synchronous machine having reduced power oscillations in the higher rotational speed range |
| 03/15/2006 | EP1635449A2 Apparatus for correcting current value of three-phase electric motor and correcting method |
| 03/15/2006 | EP1635448A1 Speed sensorless control of an induction machine using a PWM inverter with output LC filter |
| 03/15/2006 | CN1748358A Motor controller and method of detecting deviation from controlled state |
| 03/15/2006 | CN1748357A Sensorless control system and method for a permanent magnet rotating machine |
| 03/15/2006 | CN1747318A Delay compensation for stable current regulation when using variable-delay random PWM switching |
| 03/14/2006 | US7012389 Electric drive control apparatus, electric drive control method and program thereof |
| 03/09/2006 | WO2006024920A1 Method for controlling a wound rotor synchronous motor |
| 03/09/2006 | US20060049794 System and method for confirming a detection of low voltage and shorted SCRs |
| 03/08/2006 | CN2764059Y Vector overlaping transformer and motor energy-saving operation controller |
| 03/08/2006 | CN1745348A Modular functional block for a field oriented control system |
| 03/08/2006 | CN1744427A Motor drive control apparatus, motor drive control method and program of the same |
| 03/07/2006 | US7009856 Vector-controlled dual inverter system and method for induction motor |
| 03/07/2006 | US7009361 Process for measuring the speed of an induction motor from null applied frequency status |
| 03/02/2006 | DE10255890B4 Motoranormalitäts-Detektionsgerät und elektrisches Servolenksteuersystem Motoranormalitäts detection device and electric power steering control system |
| 03/01/2006 | EP1630949A1 Position-sensorless control circuit |
| 03/01/2006 | EP1630070A1 Controller for electric power steering device |