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)
07/2002
07/24/2002EP1225688A2 Control method and converter for performing the process
07/18/2002DE10148517A1 Geschwindigkeitsregelungsvorrichtung eines synchronen Reluktanzmotors und Verfahren dazu Speed ​​control apparatus of a synchronous reluctance motor and method therefor
07/11/2002DE10063895A1 Regulation of current of a 3 phase motor e.g. for steer-by-wire steering system for motor vehicle, using state variable controller whose output is amplified to control firing of drive transistors
07/10/2002EP1221765A1 Method of controlling ac motor and controller
07/09/2002US6417650 Method of controlling an induction generator
07/04/2002US20020084773 Method of controlling claw-pole synchronous machine
07/04/2002DE10162170A1 Verfahren zur Steuerung eines Induktionsgenerators Method for controlling an induction generator
07/03/2002EP1220439A2 Parameter detection of a DC brushless motor and vector control of that motor
07/03/2002EP1219015A1 Low ripple permanent magnet motor control
07/03/2002EP1219010A1 Method and system for controlling torque in permanent magnet brushless electric motors
07/03/2002CN1087117C Control device and method of induction motor
07/02/2002US6414462 Speed control apparatus for synchronous reluctance motor
06/2002
06/27/2002WO2002050993A1 Method for correcting estimate of speed of induction motor and its device
06/27/2002WO2002050992A1 Control method for synchronous motor
06/26/2002CN1355601A Safety speed monitoring system for three-phase AC transmission without sensor
06/20/2002WO2002049201A1 Machine constant estimation device
06/19/2002CN1354558A Non-synchronous motor rotary inertia identification method
06/19/2002CN1354557A Non-synchronous motor parameter identification method
06/19/2002CN1354556A Method for preventing bus voltage from excessing
06/13/2002WO2002007297A3 Floating frame controller
06/13/2002US20020070713 Method of controlling an induction generator
06/13/2002DE10059172A1 Sichere Geschwindigkeitsüberwachung für geberlose Drehstromantriebe Safe speed control for sensorless AC Drives
06/12/2002EP1213828A1 Initial magnetic pole estimating device for ac synchronous motor
06/12/2002CN1353499A Inertial torque operation method of electric motor and its driving device
06/11/2002US6404162 Variable-speed controlling device for use with an induction motor
06/11/2002US6401875 Absolute position sensing method and apparatus for synchronous elevator machines by detection stator iron saturation
06/05/2002EP1211798A2 Motor control apparatus and motor control method
06/05/2002EP1211774A1 Inherent safe speed monitoring for sensorless three phase current drives
05/2002
05/30/2002US20020063548 Safe speed monitoring for sensor-free three-phase drives
05/29/2002EP1208640A1 Method and apparatus for initialization and operation of field-commutated motors and machines incorporating field-commutated motors
05/29/2002DE10153332A1 Verfahren zur Steuerung einer Klauenpol-Synchronmaschine Method for controlling a claw-pole synchronous machine
05/29/2002DE10120721A1 Computing inertia for control with converter of non-generating type for electric motor speed control, using mechanical inertia constants and computing is only performed during period when motor is accelerating
05/28/2002US6396236 Method of minimizing errors in rotor angle estimate in synchronous machine
05/28/2002US6396229 Method of estimating a rotor position of synchronous motor, method of controlling synchronous motor with no position sensor and a controller of synchronous motor
05/23/2002WO2002041486A1 Method of controlling induction motor
05/23/2002WO2001041292A9 Method and apparatus for switching an ac machine between a drive and a power supply
05/23/2002US20020060549 Apparatus for controlling an induction motor
05/23/2002US20020060548 Driving system of AC motor
05/23/2002US20020060547 Speed control apparatus of synchronous reluctance motor and method thereof
05/23/2002DE10140034A1 Sensorloses Vektorsteuersystem für Induktionsmotoren und Verfahren zum Betreiben desselben The same sensorless vector control system of induction motors and method for operating
05/22/2002CN1350720A Starting procedure of open-loop vactor control in synchronous machine
05/22/2002CN1350364A Apparatus and method for controlling speed for synchronous reluctance motor
05/22/2002CN1085182C Current/voltage control apparatus for elevator
05/21/2002US6392376 Electric vehicle motor controller with temperature variation compensation
05/16/2002WO2002039575A2 Method and apparatus for encoderless operation of a permanent magnet synchronous motor in an elevator
05/15/2002CN1084960C Self-commissioning controller for field-oriented elevator motor/drive system
05/15/2002CN1084959C Automatic fine-tuning of rotor time constant and magnetizing current in field-oriented elevator motor drive
05/14/2002US6388420 System and method for sensorless rotor tracking of induction machines
05/14/2002US6388419 Motor control system
05/10/2002WO2002037646A1 Closed loop clutch/brake control
05/09/2002US20020053894 Discrete-time system and method for induction motor control
05/08/2002DE10140033A1 Sensorloses Vektorsteuergerät und Verfahren für dasselbe A sensorless vector control apparatus and method for the same
05/07/2002US6385555 Method and device for determining the rotational speed of a polyphase machine operating with field orientation and without a sensor
05/02/2002US20020050011 Apparatus and method for sensing laundry amount in a washing machine
04/2002
04/25/2002DE10134301A1 Laundry amount sensing device in washing machine, applies d-axis current command signal to current controller, according to driving speed of brushless DC motor
04/23/2002US6377019 Peak torque per ampere method for induction motor vector control
04/23/2002US6377018 Speed sensorless vector control apparatus
04/23/2002US6377017 Control device for alternating current motor
04/17/2002EP1196984A1 Method for torque control of an induction motor using a voltage controller
04/16/2002US6373219 Motor control system and motor control method
04/16/2002US6373211 Extended speed range operation of permanent magnet brushless machines using optimal phase angle control in the voltage mode operation
04/11/2002US20020041171 Sensorless vector control system of induction motor and method thereof
04/10/2002CN1344061A Motor controller having vector control function
04/10/2002CN1082745C 永磁无刷电动机初始磁极位置的推断方法 Inference method of permanent magnet brushless motor initial magnetic pole position
04/03/2002CN1082111C 洗衣机 Washing machine
03/2002
03/26/2002US6362590 Starting of synchronous machine without rotor position or speed measurement
03/20/2002EP1060560A4 Motor conroller
03/19/2002US6359416 Adaptive predictive synchronous current frame regulator method and apparatus
03/19/2002US6359415 Apparatus for controlling synchronous motor
03/14/2002US20020030465 Motor control device with vector control function
03/14/2002DE10047948A1 Motorsteuereinrichtung Motor control means
03/13/2002CN1339871A Vector control system without sensor for inductive motor and method
03/13/2002CN1339870A Vector control equipment without sensor and its method
03/13/2002CN1080950C Sensorless control method and apparatus of permanent magnet synchronous motor
03/06/2002CN1339195A Method and apparatus for switching AC machine between drive and power supply
03/06/2002CN1080479C Means and device for determining angular velocity of rotor of polyphase machine operated by field orientation without transmitter
03/01/2002CA2354326A1 Motor control system
02/2002
02/27/2002EP1181766A1 Starting procedure of open-loop vector control in synchronous machine
02/21/2002US20020021105 Sensorless vector control apparatus and method thereof
02/21/2002DE10036869A1 Verfahren zur Schätzung der Polradlage an einer Klauenpolmaschine Method to estimate the rotor position of a claw pole
02/14/2002DE10036099A1 Verfahren zur Regelung einer elektrischen Maschine mit Pulswechselrichter Method for regulating an electrical machine having pulse inverter
02/07/2002WO2002011276A1 Method for estimating the position of the claw pole rotor of a claw pole machine
02/06/2002CN1078976C Method and apparatus for controlling induction motor
02/05/2002US6344726 Method of controlling an induction motor
02/05/2002US6344725 Method and apparatus for controlling a synchronous motor
01/2002
01/31/2002WO2002009266A1 Method for controlling an electrical machine by means of a pulse-width modulation inverter
01/30/2002CN1333399A Washing machine
01/30/2002CN1333398A Washing machine
01/24/2002WO2002007299A1 Method and circuit for correcting voltage error due to dead band of pwm system voltage type inverter
01/24/2002WO2002007297A2 Floating frame controller
01/24/2002US20020008492 Motor control apparatus with a current sensor diagnostic apparatus and a current sensor diagnostic method
01/17/2002WO2002005415A1 Inverter device and current limiting method therefor
01/17/2002US20020005704 Driving system for driving AC motor
01/17/2002DE10120639A1 Steuersystem für einen Permanentmagnetmotor A control system for a permanent magnet motor
01/15/2002US6339308 Vector control method for synchronous reluctance motor
01/03/2002US20020000783 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
01/01/2002US6335609 Method for reducing peak phase current and decreasing staring time for an internal combustion engine having an induction machine
01/01/2002US6335607 Method of correcting flux midpoint in flux-controlled alternating current systems
01/01/2002US6335605 Vector controller for induction motor
12/2001
12/12/2001EP1161791A1 Stator flux estimate midpoint correction
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