| 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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| 07/11/2007 | EP1035645B1 Control device of induction motor |
| 07/10/2007 | US7243006 Predictive control system and method |
| 07/10/2007 | US7242163 System and method for clamp current regulation in field-weakening operation of permanent magnet (PM) machines |
| 07/10/2007 | US7240761 Electric power steering apparatus |
| 07/05/2007 | US20070152624 Motor system, control method thereof, and compressor using the same |
| 07/04/2007 | CN1993881A Vector controller of induction motor |
| 07/03/2007 | US7239103 Synchronous motor startup lock detection circuit and method |
| 06/28/2007 | WO2007072033A2 Electric motor control |
| 06/28/2007 | WO2007072025A2 Electric motor control |
| 06/27/2007 | CN1988365A Dead zone compensating method for space vector pulse width modulating output |
| 06/27/2007 | CN1988362A Motor driving control device |
| 06/27/2007 | CN1323129C Identifying and automatic aligning system for coking furnace machinery furnace number |
| 06/26/2007 | US7236337 Drive power supply and fail determination method |
| 06/26/2007 | CA2304390C Lathe adjusting procedure and feed device |
| 06/21/2007 | WO2007069779A1 Motor driving device and car provided with the same |
| 06/21/2007 | WO2007047296A3 Method, apparatus and article for detecting rotor position |
| 06/21/2007 | DE102005059477A1 Starting commutation determining method for e.g. synchronous and reluctance servo motor, involves determining angle corresponding to maximum of rotor torsion, and selecting determined angle as starting commutation angle |
| 06/20/2007 | EP1219010A4 Method and system for controlling torque in permanent magnet brushless electric motors |
| 06/20/2007 | CN1983794A Self tuning method and apparatus for permanent magnet sensorless control |
| 06/20/2007 | CN1983785A Controller of exciting power-supply net sided converter for double-feedback speed-variable frequency-constant wind-driven generator |
| 06/20/2007 | CN1322667C Sensorless controller of AC motor and control method |
| 06/14/2007 | WO2007066182A1 Control apparatus and method for motor drive system |
| 06/14/2007 | US20070132424 Motor driving control device |
| 06/14/2007 | US20070132414 Control unit for electric power steering apparatus |
| 06/13/2007 | EP1796263A1 Time constant automatic estimation method, time constant automatic estimation apparatus and servo motor control system |
| 06/13/2007 | EP1796262A1 Control apparatus for electric vehicles |
| 06/13/2007 | EP1796261A1 Control apparatus for electric vehicles |
| 06/13/2007 | EP1796260A1 Vector controller of induction motor |
| 06/12/2007 | US7230403 System and method for elimination of DC offset feedback in AC drives |
| 06/12/2007 | US7230398 Brushless motor control apparatus and brushless motor control method |
| 06/07/2007 | US20070126392 Motor control apparatus and vehicle steering apparatus using the same |
| 06/06/2007 | EP1793487A1 Vector controller of induction motor |
| 06/06/2007 | EP1792770A2 Motor driving device and automobile using the same |
| 06/06/2007 | DE102006045820A1 Engine controller adjusting method, involves utilizing position direction model as position direction value, and adjusting control parameter of position feed forward control unit such that overshooting value does not exceed given value |
| 06/06/2007 | CN1976213A Method for controlling AC motor |
| 06/06/2007 | CN1976212A Vector controller for a permanent magnet synchronous motor, inverter module, and permanent magnet synchronous motor constant display system |
| 06/06/2007 | CN1976211A Mixed speed regulating method for permanent magnetic synchronous motor |
| 05/31/2007 | DE19951981B4 Regelsystem für einen Induktionsmotor Control system for an induction motor |
| 05/31/2007 | DE10307988B4 System und Verfahren zum Schätzen einer Rotorposition eines Permanentmagnetmotors System and method for estimating a rotor position of a permanent magnet motor |
| 05/30/2007 | EP1788911A2 Operating a three phase device using single phase power |
| 05/30/2007 | CN1972116A Control method for linear induction motor |
| 05/29/2007 | CA2372266C Rotor angle detecting apparatus for dc brushless motors |
| 05/24/2007 | DE102005050591A1 Wechselstrom-Servotreiber AC Servo Driver |
| 05/23/2007 | EP1787385A1 Method for controlling a wound rotor synchronous motor |
| 05/23/2007 | CN1969453A Vehicle-carried motor controlling device |
| 05/22/2007 | US7221152 Method in salient-pole permanent magnet synchronous machine |
| 05/22/2007 | US7221117 Method and system for controlling an electric motor in the event of flux reduction |
| 05/17/2007 | US20070108936 Motor drive apparatus |
| 05/16/2007 | CN1965470A Handheld or stationary power tool comprising a drive unit |
| 05/16/2007 | CN1964182A Electrical equipment |
| 05/16/2007 | CN1316733C Sensor system and method for vector control |
| 05/16/2007 | CN1316730C Position-of-magnetic-pole detection device and method |
| 05/10/2007 | US20070103105 Control unit for elctric power steering apparatus |
| 05/09/2007 | CN1960161A Vector control system of alien frequencies power supplied permanent magnet synchronous motor |
| 05/08/2007 | US7215518 Motor power supply line breaking detection method, motor control apparatus and electric power steering mechanism using the same and computer program thereof |
| 05/03/2007 | WO2007049810A1 Motor drive system |
| 05/03/2007 | DE102006032446A1 Fahrzeugleistungssteuervorrichtung Vehicle power controller |
| 05/02/2007 | EP1780885A1 Method for automatically monitoring a generator operation |
| 05/02/2007 | EP1780884A2 Audible noise reduction for single current shunt platform |
| 05/02/2007 | CN2896695Y Rotary drill microcomputer frequency-variation speed-regulation control cabinet |
| 05/02/2007 | CN1956317A Field weakening vector controller for permanent magnet synchronous motor and module |
| 05/02/2007 | CN1314194C Position-of-magnetic-pole detecting device |
| 05/02/2007 | CN1314179C Motor control device and mixed type vehicle control device |
| 05/01/2007 | US7211984 Start-up and restart of interior permanent magnet machines |
| 04/26/2007 | WO2007047296A2 Method, apparatus and article for detecting rotor position |
| 04/26/2007 | US20070093359 Vehicular power control apparatus |
| 04/26/2007 | US20070090783 Method for braking a synchronous machine |
| 04/26/2007 | US20070090782 Control apparatus of electric power steering apparatus |
| 04/25/2007 | EP1777806A2 Motor drive control apparatus and electric power steering apparatus |
| 04/25/2007 | EP1516425B1 Brushless motor control utilizing independent phase parameters |
| 04/25/2007 | CN1954486A Synchronous machine controller |
| 04/25/2007 | CN1312485C Magnetic-field analysing process of rotary motor |
| 04/19/2007 | WO2007042370A1 Method and apparatus for the field-oriented control of a polyphase machine |
| 04/19/2007 | WO2007042159A1 Electric machine control system |
| 04/19/2007 | DE102005049070A1 Verfahren und Vorrichtung zur feldorientierten Regelung einer Drehfeldmaschine Method and apparatus for field-oriented control of an induction machine |
| 04/18/2007 | CN1949659A Exciting method of vector control of synchronous motor |
| 04/18/2007 | CN1311623C Inverter device |
| 04/18/2007 | CN1311620C Method and device for controlling inductive motor regenerated energy flow and DC bus voltage in frequency modulation driving system |
| 04/17/2007 | US7204011 Method for manufacturing adaptive machines |
| 04/12/2007 | WO2007022164A3 System and method for parallel control of variable frequency drives |
| 04/12/2007 | WO2007022164A2 System and method for parallel control of variable frequency drives |
| 04/12/2007 | DE10007120B4 Stromregelung permanenterregter Synchronmotoren für Lenkflugkörper mit elektromechanischem Ruderstellantrieb Current control of permanent magnet synchronous motors for Missile Electro-mechanical rudder actuator |
| 04/11/2007 | CN1310421C Apparatus and method for controlling inverter for driving a three-phase motor |
| 04/11/2007 | CN1310420C 电梯的控制装置 The elevator control apparatus |
| 04/10/2007 | US7202629 Method for adjusting parameters of an electric motor and variable speed drive using such a method |
| 04/03/2007 | US7199549 Feedback parameter estimation for electric machines |
| 04/03/2007 | US7199538 Motor driving system |
| 03/29/2007 | US20070069682 Control device for synchronous motor |
| 03/29/2007 | DE19648985B4 Verfahren zum Steuern von Vektoren bei einem Asynchronmotor und vektorgesteuerte Wechselrichtervorrichtung A method of controlling an induction motor with vectors and vector-controlled inverter device |
| 03/29/2007 | DE102005045835A1 Control system for synchronous motor, has controller and/or control unit adjusting high longitudinal axis current, where rotor is engaged with preset rotation angle, which is compared with initial rotor angle |
| 03/28/2007 | EP1768252A1 Motor controlling device for mounting on vehicle |
| 03/28/2007 | CN1937398A Supersapce vector speed governing method for brushless direct-current machine direct torque control |
| 03/22/2007 | US20070064359 Motor power line break detection method in ac servo driver |
| 03/22/2007 | DE10220937B4 Verfahren und Vorrichtung zur Dämpfung einer auftretenden Ratterschwingung bei einer Bearbeitungsmaschine Method and apparatus for damping chatter vibration occurring in a processing machine |
| 03/22/2007 | DE10011295B4 Verfahren und Vorrichtung zum selektiven Löschen parasitärer Gleichgrößen im Spannungsstellbereich von Drehfeldmaschinen ohne Drehgeber Method and apparatus for selective deletion of parasitic dc components in the voltage operating range of induction machines without encoder |
| 03/21/2007 | EP1764909A2 Motor driving device |
| 03/21/2007 | EP1764904A2 Driving device for a motor |
| 03/21/2007 | CN1934781A Motor controller |
| 03/21/2007 | CN1306694C Motor driving apparatus for use in a dishwasher |
| 03/14/2007 | CN1929290A Motor control device |