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)
01/2003
01/14/2003US6507166 Control device for a wide speed range induction machine, carrying out a control based upon a flux estimation performed by means of a luenberger state observer, and method for positioning the eigenvalues of said state observer
01/09/2003US20030009309 Method of estimating speed of induction motor and magnetic flux of rotor
01/09/2003US20030006723 Method and system of sensorless field orientation control for an AC motor
01/08/2003CN1389619A 洗衣机 Washing machine
01/07/2003US6504337 Motor modeling using harmonic ampere-turn saturation method
01/07/2003US6504336 Motor controller for electric power steering system
01/07/2003US6504329 Apparatus and method for controlling permanent magnet electric machines
01/02/2003US20030001545 Method for estimating the position of the claw pole rotor of a claw pole machine
01/02/2003US20030001536 Motor control apparatus
01/01/2003CN1097756C Regulating method of rotary machinery and its servo system and rotavy machinery with the same system
12/2002
12/31/2002US6501243 Synchronous motor-control apparatus and vehicle using the control apparatus
12/26/2002US20020195986 Method and apparatus for connecting a converter to an asynchronous machine
12/24/2002US6498452 Starting procedure of open-loop vector control in synchronous machine
12/24/2002US6498449 Low ripple torque control of a permanent magnet motor without using current sensors
12/19/2002WO2002101913A1 Method for controlling a synchronous motor
12/19/2002US20020190672 Control system of electric motor
12/19/2002US20020189301 Washing machine with vector control for drive motor
12/19/2002DE10220122A1 Verfahren und Schaltungsanordnung zur sensorlosen, elektrischen Rotorlagemessung einer permanent erregten Synchronmaschine Method and circuit for sensorless electrical rotor position measurement of a permanent magnet synchronous machine
12/17/2002US6495986 Safe speed monitoring for sensor-free three-phase drives
12/17/2002US6495980 Apparatus and method for sensing laundry amount in a washing machine
12/12/2002WO2002065139A3 Sensorless determination of initial rotor position in a synchronous motor
12/11/2002EP1265351A2 Washing machine with vector control for drive motor
12/11/2002CN1384595A AC motor controller
12/10/2002US6492790 Driving system for driving AC motor
12/10/2002US6492788 Method and apparatus for encoderless operation of a permanent magnet synchronous motor in an elevator
12/05/2002WO2002097961A1 Method and circuit for the sensorless, electric measurement of the position of a rotor of a permanently excited synchronous machine
12/05/2002US20020180402 Drive control apparatus and method of alternating current motor
12/05/2002US20020180398 Driving equipment for synchronous motors
12/04/2002EP1263125A2 Drive control apparatus and method of alternating current motor
12/04/2002EP1263124A2 Vector control method and system for a synchronous motor
12/04/2002CN1383260A Control system, observer and control method of induction motor without speed sensor
11/2002
11/28/2002US20020175649 Method for regulating an electrical machine by means of a pulse-width modulkation inverter
11/21/2002WO2002093729A1 A method associated with controlling a synchronous machine
11/21/2002US20020171389 Motor control device
11/21/2002US20020171387 Apparatus and method for controlling permanent magnet electric machines
11/21/2002DE10214622A1 Sensorlose Regelung für Induktionsmotor Sensorless control of induction motor
11/14/2002WO2002091558A1 System for controlling synchronous motor
11/14/2002US20020167289 Control apparatus for alternating-current motor
11/13/2002EP1257049A2 Control apparatus for alternating-current source
11/13/2002CN1379520A Motor control device and mixed type vehicle control device
11/13/2002CN1094267C 感应电动机的控制系统 Induction motor control system
11/12/2002US6479971 Method for regulating a three-phase machine without a mechanical rotary transducer
11/07/2002US20020163319 Control apparatus for electric motor
11/06/2002EP1255348A1 Method of controlling induction motor
10/2002
10/31/2002WO2002087065A1 Motor controller
10/24/2002US20020153857 Driving device for synchronous motor
10/17/2002US20020149341 Method and system for measuring a parameter of motor operation
10/17/2002US20020149337 Method and a device for controlling and regulating an alternating current rotating electrical machine, in particular a synchronous alternating current rotating electrical machine
10/17/2002US20020149335 Rotor angle detecting apparatus for DC brushless motors
10/17/2002US20020149330 Motor control apparatus
10/16/2002EP1249068A1 Method for estimating the position of the claw pole rotor of a claw pole machine
10/16/2002CN1375125A Method of controlling AC motor and controller
10/16/2002CN1375124A Initial magnetic pole estimating device for AC synchronous motor
10/15/2002US6465975 Method and system for controlling torque in permanent magnet brushless electric motors
10/10/2002US20020147530 Control apparatus for electric motor and control apparatus for hybrid vehicle
10/10/2002US20020145837 Method and system for controlling a permanent magnet machine during fault conditions
10/10/2002US20020145401 Motor driver circuit and method of controlling the motor driver circuit
10/10/2002DE10206156A1 Motorregelungsvorrichtung Motor control device
10/09/2002EP1248342A1 Method and system for controlling a permanent magnet machine during fault conditions
10/09/2002EP1247687A2 Control apparatus for electric motor and control apparatus for hybrid vehicle
10/09/2002CN1373549A Rotary motor and vehicle carring same
10/03/2002WO2002078168A1 Method of detecting motor current and motor control device
10/03/2002WO2002078167A1 Method for estimating magnetic polar position of synchronous motor and its controller
10/03/2002US20020141212 Control apparatus for power converter
10/01/2002US6459230 Method and system for measuring a parameter of motor operation
09/2002
09/26/2002WO2002075915A1 Vector control of an induction motor
09/26/2002DE10206410A1 Rotor angle detection apparatus for brushless DC motor, determines sine and cosine reference value from current values detected by current detectors connected to three phase armature, for calculating rotor angle
09/26/2002DE10108173A1 Torque control or regulation for electric motor e.g. for vehicle steer-by-wire system, involves estimating motor magnetic flux using phase currents and voltages, and controlling or regulating torque depending on estimated flux
09/19/2002DE10105969A1 Current measurement in electrical machines involves measuring winding currents of electrical machine with stator windings arranged in triangle circuit using current sensors
09/18/2002EP0991179B1 Method of inferring initial pole position of permanent magnet brushless motor
09/17/2002US6452360 Auto tuning and parameter identification of a control circuit
09/17/2002US6452357 Method for controlling a permanent magnet synchronous motor
09/12/2002DE10143475A1 Motorensteuerungsvorrichtung The engine control apparatus
09/11/2002EP1239582A1 Motor control apparatus with constants correction
09/11/2002CN1090837C Reduction operation for multi-winding induction motor after fault of converter
09/10/2002US6448738 Method of controlling an electric motor having a number of phase windings
09/10/2002US6448731 Apparatus and method for controlling an electric motor
09/04/2002EP1237258A2 Rotational electric machine and a vehicle loaded therewith
09/04/2002EP1236607A2 Motor control system
09/04/2002CN1090404C Automatic calibration of magnetic field-oriented elevator motor driven parameters using standstill motor measurements
09/04/2002CN1090403C Method for controlling DC brushless motor
08/2002
08/29/2002US20020117990 Motor control apparatus and electric vehicle using same
08/29/2002US20020117933 Rotational electric machine and a vehicle loaded therewith
08/29/2002DE10204110A1 Motortreiberkreis und Verfahren zur Steuerung des Motortreiberschaltkreises Motor driving circuit and method for controlling the motor driver circuit
08/22/2002WO2002065139A2 Sensorless determination of initial rotor position in a synchronous motor
08/22/2002US20020113615 Constant detecting apparatus for brushless DC motor, control apparatus for brushless DC motor, and program for detecting constant of brushless DC motor
08/21/2002EP1233506A1 Control method and device for a rotating electric ac machine, especially synchronous machine
08/21/2002CN1365536A Method and apparatus for initialization and operation of field-communication motors and method incorporating field-communicated motors
08/21/2002CN1089503C Speed control apparatus for induction motor
08/20/2002US6438321 Control of high speed DC motor vertical voltage vector component
08/20/2002US6437997 Control device for electric power translating device
08/15/2002US20020109479 Motor controller
08/15/2002US20020109474 Motor control device
08/14/2002DE10122295A1 Verfahren zur Regelung und Umrichter zur Durchführung des Verfahrens Method for controlling the inverter and for performing the method
08/13/2002US6433506 Sensorless control system for induction motor employing direct torque and flux regulation
08/06/2002US6429648 Current detecting device and current detecting method
08/06/2002US6429620 Motor control device
07/2002
07/30/2002US6427105 Electric power steering control system and control method thereof
07/25/2002US20020097018 Method for calculating inertia moment and driver for electric motor
07/25/2002US20020097015 Motor control apparatus and motor control method
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