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