Patents
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)
06/2003
06/17/2003US6580247 Motor control device
06/12/2003US20030107339 Electric power steering apparatus
06/11/2003EP0962045B1 Sensorless rotor position measurement process and device for induction motors with a short-circuit rotor
06/10/2003US6577096 Sensorless vector control system of induction motor and method thereof
06/05/2003WO2003047084A1 Method for identifying parameters of asynchronous motor
06/05/2003US20030102839 System for controlling synchronous motor
06/05/2003US20030102829 Method and system for controlling a permanent magnet machine
06/04/2003EP1317060A2 Vector control of a permanent magnet synchronous machine with a reluctance torque
05/2003
05/29/2003US20030098665 System and method for induction motor control
05/27/2003US6570358 Control apparatus for alternating-current motor
05/22/2003WO2003043172A1 Rotor angle estimation for permanent magnet synchronous motor drive
05/21/2003EP1313208A2 Motor control apparatus and motor control method
05/21/2003EP1312156A2 Floating frame controller
05/20/2003US6567282 Apparatus and method of sensorless control for synchronous generator
05/20/2003US6566840 Method and system for self-calibration of an induction machine drive
05/20/2003US6566830 Method and system for controlling a permanent magnet machine
05/15/2003WO2003041260A1 Current ripple reduction by harmonic current regulation
05/15/2003US20030090262 Rotor angle estimation for permanent magnet synchronous motor drive
05/15/2003US20030090232 Current ripple reduction by harmonic current regulation
05/15/2003US20030090231 Motor control apparatus and motor control method
05/15/2003US20030090226 System and method for induction motor control
05/14/2003EP1311060A2 Electric car controller and control method
05/14/2003CN1417939A Motor controller and product with the controller
05/14/2003CN1417937A Frequency converter control method and device capable of inhibiting open-loop system oscillation
05/14/2003CN1417936A Controller for multiple wound motor
05/08/2003US20030085683 Controller for multiplex winding motor
05/08/2003US20030085678 Electric car controller and control method
05/07/2003CN2549648Y High-performance frequency converter speed regulator
05/06/2003US6559618 System and method of control for sensorless induction motor drives
05/02/2003EP1306967A1 Inverter device and current limiting method therefor
05/02/2003EP1305876A1 Method for controlling an electrical machine by means of a pulse-width modulation inverter
05/01/2003US20030081434 Apparatus and method of sensorless control for synchronous generator
05/01/2003US20030080701 Apparatus and method of sensorless control for synchronous generator
04/2003
04/29/2003US6555988 Motor control device
04/24/2003US20030076065 Active temperature estimation for electric machines
04/24/2003US20030076064 Feedforward parameter estimation for electric machines
04/24/2003US20030076061 Combined feedforward and feedback parameter estimation for electric machines
04/23/2003CN1106707C Induction motor system and electric locomotive using d.c. voltage bus power-supply, and its control method
04/22/2003US6552508 Apparatus and method for optimally controlling flux in an AC motor
04/17/2003US20030071594 Feedback parameter estimation for electric machines
04/17/2003US20030071588 System for driving electric motor
04/16/2003EP1303035A1 System for controlling synchronous motor
04/10/2003US20030067230 Maximum torque-per-ampere control of a saturated surface-mounted permanent magnet machine
04/03/2003US20030065634 Method and system for determining induction motor speed
04/03/2003US20030062870 Stator and rotor resistance identifier using high frequency injection
04/02/2003EP1298787A2 Stepping motor controller
04/02/2003EP1233506A9 Control method and device for a rotating electric ac machine, especially synchronous machine
04/01/2003US6541939 Motor controller
04/01/2003US6541937 Motor control device with vector control function
03/2003
03/27/2003WO2003026121A1 Brushless doubly-fed induction machine control
03/27/2003US20030058589 Motor power supply line breaking detection method, motor control apparatus and electric power steering mechanism using the same and computer program thereof
03/27/2003US20030057913 Electric power steering control system and control method thereof
03/27/2003US20030057912 Synchronous motor driving system and sensorless control method for a synchronous motor
03/27/2003US20030057911 Stepping motor controller
03/27/2003US20030057782 AC generator-motor apparatus for vehicle
03/26/2003CN1405973A Method for directly controlling structure-change torque of inductive motor modulated by space vector
03/20/2003US20030052643 Brushless doubly-fed induction machine control
03/20/2003US20030052641 Motor control apparatus and motor control method
03/20/2003US20030052640 Synchronous motor driving system
03/19/2003CN1404215A Asynchronous motor optimizing excitation control method based on magnetic-field saturated non-linear motor model
03/19/2003CN1404214A Step failing out detecting apparatus and method for synchronous motor, driving apparatus for motor
03/13/2003WO2003021762A1 Machine model predicting device of motor control device
03/13/2003WO2002039575A3 Method and apparatus for encoderless operation of a permanent magnet synchronous motor in an elevator
03/12/2003EP1292012A2 Motor power supply line breaking detection method, motor control apparatus and electric power steering mechanism using the same and computer program thereof
03/12/2003EP1292011A2 Motor control for reducing high harmonic currents
03/12/2003CN1402903A Method of controlling induction motor
03/11/2003US6531843 Driving system of AC motor
03/05/2003EP0798848B1 Current control method of servomotor
03/05/2003EP0736234B1 Method and apparatus for transducerless flux, position and velocity estimation in drives for ac machines
03/05/2003CA2401167A1 Method to estimate motor speed for stabilized motor control
03/04/2003US6528966 Sensorless vector control apparatus and method thereof
02/2003
02/27/2003WO2003017460A1 Device and method for monitoring the connection of an electrical supply unit
02/26/2003EP1286456A1 Feedback parameter estimation for electric machines
02/26/2003EP1286145A1 Feedforward parameter estimation for electric machines
02/26/2003EP1285841A1 Active temperature estimation for electric machines
02/20/2003WO2003015256A1 Electric motor pole position sensing method, pole position sensing apparatus, and electric motor control apparatus using the same
02/20/2003US20030034751 Method and system for controlling a permanent magnet machine
02/19/2003EP1284541A2 Combined feedforward and feedback parameter estimation for electric machines
02/13/2003US20030030406 Motor control apparatus
02/13/2003US20030030404 Sensorless control system for synchronous motor
02/12/2003CN1396705A DC start/electricgeneration system with electric/electronic converter for squirrel-cage asynchronous generator with instantaneous torque control
02/12/2003CN1396704A Equipment and method for controlling rotating speed of synchronous magnetic motor
02/11/2003US6518722 Control system, observer, and control method for a speed-sensorless induction motor drive
02/06/2003US20030025475 Apparatus for controlling rotation speed of motor
02/05/2003CN1395361A Pulse duration modulation method and its device
02/04/2003US6515444 Method for controlling a current-regulated motor
01/2003
01/30/2003WO2003009463A1 Speed control device for ac electric motor
01/30/2003US20030020432 Inverter apparatus
01/30/2003US20030020429 Motor controller
01/30/2003US20030020428 Motor controller
01/29/2003EP1280266A2 Motor controller
01/23/2003US20030015989 Method and system for controlling an induction machine
01/23/2003US20030015988 Control system, observer, and control method for a speed-sensorless induction motor drive
01/23/2003US20030015987 Apparatus and method for controlling rotation speed of synchronous reluctance motor
01/22/2003CN1392664A Motor speed controller
01/21/2003US6509711 Digital rotor flux observer
01/16/2003WO2003005556A1 Method and device for controlling currents of synchronous motor
01/16/2003US20030011331 Control device for plurality of rotating electrical machines
01/15/2003EP1276225A2 Motor control apparatus for reducing higher harmonic current
01/15/2003EP1276221A2 Control device for plurality of rotating electrical machines
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