| Patents for H02P 23 - Arrangements or methods for the control of ac-motors characterised by a control method other than vector control (5,487) |
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| 05/31/2006 | EP1661236A1 Method and circuit arrangement for the sensorless detection of load states of synchronous linear motors |
| 05/30/2006 | US7053569 Inverter control method and its device |
| 05/24/2006 | EP1659684A1 Controller of rotating machine |
| 05/24/2006 | DE102004053772A1 Antriebsvorrichtung Driving device |
| 05/24/2006 | CN1778033A Ac servo driver motor power line disconnection detection method |
| 05/18/2006 | US20060103409 Current sensing method and current sensing device, power conversion device using this current sensing device, and vehicle using this power conversions device |
| 05/17/2006 | EP1657557A1 Current sensing method and current sensing device, power conversion device using this current sensing device, and vehicle using this power conversion device |
| 05/16/2006 | US7045988 Sensorless controller of AC motor and control method |
| 05/16/2006 | US7045987 Method and arrangement in connection with slip-ring machine |
| 05/11/2006 | DE10100565B4 Verfahren zum Bestimmen eines von einem Asynchronelektromotor aufgebrachten Drehmoments A method for determining one of an asynchronous electric motor applied torque |
| 05/10/2006 | EP1655828A1 Controller for a wound-rotor induction motor |
| 05/10/2006 | CN1771440A Device for determining constant of rotating machine |
| 05/09/2006 | US7042193 Control apparatus for rotating machine |
| 05/09/2006 | US7042181 Method and system for controlling motor torque |
| 05/09/2006 | US7042178 Motor driving apparatus |
| 05/04/2006 | WO2006045815A1 Method and device for operating an electromechanical actuating unit |
| 05/04/2006 | WO2006039626A3 A system and method of a single switch controlled reluctance motor |
| 05/03/2006 | EP1652289A1 Method for the controlled application of a stator-current target value and a torque target value for a polyphase machine that is supplied by an electronic power converter |
| 05/03/2006 | CN1767369A OR gate motor control system |
| 05/03/2006 | CN1767368A Method and apparatus for controlling AC induction motor energy-saving operation |
| 05/02/2006 | US7038405 Control of parallel operation of frequency converters or inverters |
| 04/27/2006 | US20060087275 Gain adjusting method for servo control device |
| 04/27/2006 | DE10135286B4 Verfahren und Vorrichtung zur Überbrückung von kurzzeitigen Netzausfällen bei einem Matrixumrichter Method and device for bridging brief power failures in a matrix converter |
| 04/26/2006 | EP1650090A2 A method of controlling an electric motor with oscillating output shaft particularly for automobile wiper systems, and the arrangement of that electric motor |
| 04/26/2006 | EP0820142B1 Ac motor with reactor connected to power source |
| 04/26/2006 | CN1764058A Method and device for producing electric motor arbitrary mechanical characteristic based on PWM technique |
| 04/20/2006 | DE19545175B4 Elektrisches Gerät zur Extraktion von Saft und Verfahren zur Benutzung desselben Electrical equipment for extraction of juice and method for use thereof |
| 04/19/2006 | CN1761148A Rotating magnetic field type driver for active controlling torsional vibration of rotational axis system |
| 04/19/2006 | CN1761147A Torque ripple reduction for a voltage mode motor controller |
| 04/18/2006 | US7030588 Control constant adjusting apparatus |
| 04/13/2006 | WO2005117246A3 Method and device for determining the mechanical load of an alternating current synchronous electric motor with a permanent magnet rotor |
| 04/13/2006 | US20060076920 Evaluation device and method for rotary drive, corrective manipulated variable setting device and method, control device and method, and program |
| 04/13/2006 | DE102004046966A1 Verfahren zur Ermittlung und Vorgabe von Parametern eines elektronischen Motorsteuergerätes und zugehöriger selbstparametrierender Drehstromsteller, insbesondere Sanftstarter Procedures for determining and setting parameters of an electronic engine control unit and associated selbstparametrierender Andiductor, especially soft starter |
| 04/12/2006 | EP1645026A1 An electric motor movement controlling method, an electric motor movement controlling system and a compressor. |
| 04/11/2006 | US7026786 Reduced part count feedforward motor control |
| 04/11/2006 | US7026785 Motor controller |
| 04/11/2006 | US7026783 Drive system |
| 04/11/2006 | US7026771 Motor control apparatus and electric appliance using the same |
| 04/06/2006 | US20060071629 Motor Controller |
| 04/06/2006 | US20060071628 Motor and drive control device therefor |
| 04/06/2006 | DE10336068B4 Verfahren zur gesteuerten Einprägung eines Ständerstrom- und eines Drehmoment-Sollwertes für eine stromrichtergespeiste Drehfeldmaschine Method for the controlled impressing a stator current and a torque setpoint for an inverter-fed induction machine |
| 04/05/2006 | CN1756068A Drive circuit for rotating resonance type motor |
| 04/05/2006 | CN1756064A Load torque control device and compensation process for synchronous reluctance motor |
| 04/04/2006 | US7023170 Origin offset calculation method of rotational position detecting device of electric motor and motor control device using the calculation method |
| 04/04/2006 | US7023160 Method for controlling doubly-fed machine |
| 04/04/2006 | US7023156 Reversible motor |
| 04/04/2006 | US7023153 Motor control device |
| 03/30/2006 | DE102005035847A1 Drive unit initializing and parametrizing method, involves executing machine codes to create graphical user interface to initialize and parameterize unit, where codes depend on configuration of images with operating and visualizing units |
| 03/30/2006 | DE102004046626A1 Brushless electric motor e.g. drive servo motor, control unit for motor vehicle, has control device to output control signal based on comparison of motor-actual value with motor-reference value and controllable by brushless electric motor |
| 03/29/2006 | CN1753298A Driving circuit of brushless electric machine |
| 03/23/2006 | DE102005034894A1 Verfahren zur Positionierung eines Aktuators mit Reduktions-Getriebeantrieb mit wellenförmiger Bewegung A method for positioning an actuator with reduction gear drive with undulations |
| 03/23/2006 | DE102004024243B4 Ansteuerung eines Antriebsmotors zum Anfahren einer vorgegebenen Soll-Position, insbesondere für ein Regalbediengerät, und ein entsprechendes Verfahren zur Ansteuerung Controlling a drive motor for starting a predetermined desired position, particularly for a storage and retrieval unit, and a corresponding method for controlling |
| 03/22/2006 | CN1751429A Ac motor control method and control device |
| 03/21/2006 | US7015673 Method and apparatus for reducing generated heat in three-phase motors driving air circulation fans in large industrial refrigerators and freezers |
| 03/16/2006 | DE102004043506A1 Control method for an electric machine, e.g. a positioning drive for a machine tool, in which the position of a displaceable machine part is detected and used to modify a speed or other control parameter in a feedback loop |
| 03/09/2006 | US20060049796 Control device for alternating-current motor |
| 03/08/2006 | EP1632017A1 Control device |
| 03/07/2006 | US7009361 Process for measuring the speed of an induction motor from null applied frequency status |
| 03/02/2006 | DE102004048519A1 Drive controller for shelf storage apparatus, influences motor parameter based on measurement of oscillation of shelf storage apparatus |
| 03/01/2006 | EP1630070A1 Controller for electric power steering device |
| 02/28/2006 | US7006899 Electrical load controlling device |
| 02/23/2006 | WO2006018599A1 Reducing ripples by a filter comprising a capacitor and an inductive reactance of an induction motor |
| 02/23/2006 | US20060038539 Electric machine |
| 02/23/2006 | US20060038530 System and method for optimizing motor performance by varying flux |
| 02/23/2006 | US20060038529 Rotation units and control systems having rotational direction control and methods of controlling the same |
| 02/23/2006 | DE102004050903A1 Verfahren und Vorrichtung zur Inbetriebnahme sowie zum Regeln eines Antriebs Method and apparatus for deploying, controlling a drive |
| 02/16/2006 | WO2006017026A1 Motor controller |
| 02/16/2006 | WO2006016243A1 Electric roller-shutter actuator comprising a control interface with electric break contacts |
| 02/16/2006 | DE102004034470A1 Steuerung für einen geschalteten Reluktanzmotor A controller for a switched reluctance motor |
| 02/16/2006 | DE10085353B4 Servosteuervorrichtung Servo control device |
| 02/15/2006 | EP1232559A4 Energy conserving motor controller |
| 02/15/2006 | CN1242555C Pulse width modulator system |
| 02/15/2006 | CN1242546C Coil windings number-variable type motor and changing method for number of coil windings |
| 02/14/2006 | US6998814 Method for measuring the electromotive force constant of motors |
| 02/09/2006 | DE102004030974A1 Electrical rotating field machine control system for reduction of fluctuations in torque generated by directly regulated machine by suppressing DC component in stator coils |
| 02/09/2006 | DE102004030076A1 Intelligenter Antrieb Intelligent drive |
| 02/09/2006 | DE102004027756A1 Model-based control system for machine tool has regulation circuit with additional feedback circuit with coupling force calculator, compensation filter and output to summing circuit |
| 02/08/2006 | EP1624562A1 Method for providing energy saving service, method for deciding specification of electric motor, method for providing compressor version-up service, method for providing energy saving service using drive device for permanent magnet electric motor, compressor exchange method, and freezing/air conditioning device |
| 02/07/2006 | US6995539 Device and a method for estimating the speed of a slip ring asynchronous machine |
| 02/01/2006 | EP1622253A2 Control process and control device of induction motor, and steel/nonferrous facility, railway vehicle, winder, vessel, machine tool, paper machine facility and transport facility employing the control process and the control device |
| 01/26/2006 | WO2006009847A1 Automatic output power limiting electrical device |
| 01/26/2006 | US20060017419 Vehicle |
| 01/26/2006 | US20060017346 Driving apparatus |
| 01/18/2006 | CN1237699C Interface module for motor control system and method for using same interface module |
| 01/18/2006 | CN1237697C Motor controller |
| 01/18/2006 | CN1237696C Command module of motor control system and using method thereof |
| 01/11/2006 | EP1127278B1 Device and method for generating a partially synthesized signal with very good dynamic quality for the acceleration of a rotor in an electrical drive mechanism |
| 01/11/2006 | CN1236546C Electric control device |
| 01/10/2006 | US6984958 Method for defining quadrature-axis magnetizing inductance of synchronous machine |
| 01/10/2006 | US6984955 Motor control device |
| 01/10/2006 | US6984954 Diagnostic strategy for an electric motor using sensorless control and a position sensor |
| 12/29/2005 | WO2005124976A2 Method for controlling an electric motor to reduce emi |
| 12/29/2005 | WO2005124475A1 Method for automatically setting vibration suppression filter and device for automatically setting vibration suppression filter |
| 12/29/2005 | US20050286673 Method for recognizing step movement sequence of control rod drive mechanism of nuclear reactor |
| 12/28/2005 | EP1609232A1 Estimation method |
| 12/27/2005 | US6979968 Method and system for managing processor execution time utilizing variable frequency switching |
| 12/22/2005 | US20050280385 Automatic output power limiting electrical device |
| 12/22/2005 | DE10341511B4 Verfahren und Schaltungsanordnung für die sensorlose Ermittlung von Lastzuständen von synchronen Linearmotoren Method and circuit for sensorless determination of load conditions of synchronous linear motors |
| 12/20/2005 | US6977478 Method, system and program product for controlling a single phase motor |
| 12/20/2005 | US6977449 Frequency converter and drive for electric motor |