| Patents for H02P 25 - Arrangements or methods for the control of ac-motors characterised by the kind of ac-motor or by structural details (7,591) |
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| 01/01/2002 | WO2002089309A1 Force control system |
| 01/01/2002 | US6335585 Controller for vibration wave motor and image forming apparatus |
| 12/27/2001 | WO2001099267A1 Control and regulation of electric motors |
| 12/27/2001 | WO2001043270A3 Drive system for a set of machines |
| 12/27/2001 | US20010054533 Linear actuator control structure |
| 12/25/2001 | US6333609 Drive control device of vibration type motor |
| 12/19/2001 | EP1163716A1 Electronic controller for an electric hand tool |
| 12/19/2001 | EP1163530A1 Blended velocity estimation |
| 12/13/2001 | DE10105086A1 Power module for controlling a switched reluctance motor has elements aligned with the power wiring |
| 12/12/2001 | CN1326262A 电力组件 Power Components |
| 12/11/2001 | US6329785 Pulse width modulated controlled induction motor |
| 12/11/2001 | US6329784 Starter circuit for motors, particularly for refrigerator compressors |
| 12/11/2001 | US6329783 Apparatus for continuously variable speed electric motor applications |
| 12/11/2001 | US6329776 Method and apparatus for switching an AC machine between a drive and a power supply |
| 12/06/2001 | US20010048278 Cross coupled motor gate drive |
| 12/05/2001 | CN1324989A Actuator capable of controlling push-force |
| 12/04/2001 | US6326706 Linear motor compressor |
| 11/29/2001 | US20010045095 Method of controlling alignment of rotator of SRM and SRM driviing circuit for realizing the same |
| 11/28/2001 | EP1158657A1 Method and system for driving switched reluctance motors (SRM) |
| 11/28/2001 | CN1324515A Frequency control of linear motor |
| 11/22/2001 | US20010043450 System and method for servo control of nonlinear electromagnetic actuators |
| 11/22/2001 | US20010043133 Thrust controllable actuator |
| 11/22/2001 | DE10023138A1 Vorrichtung zur Steuerung eines Synchronmotors A device for controlling a synchronous motor |
| 11/21/2001 | CN1323096A Method for controlling reluctance motor rotor alignment and driving circuit for realizing the method thereof |
| 11/21/2001 | CN1075272C Electronic switched reluctance motor |
| 11/20/2001 | US6321032 Brushless repulsion motor |
| 11/20/2001 | US6320721 Method and apparatus for controlling a voice control motor in a hard disk drive |
| 11/20/2001 | US6318966 Method and system for controlling a compressor |
| 11/15/2001 | WO2001086800A1 Motor energisation control circuit |
| 11/15/2001 | WO2001086783A1 Linear actuator control structure |
| 11/15/2001 | WO2001019316A3 A vibratory therapy apparatus |
| 11/14/2001 | EP1154558A2 Method for controlling a synchronous motor |
| 11/14/2001 | EP1154121A1 Perfectioned control for motor driven shading devices |
| 11/14/2001 | EP1154120A1 Control for motor driven shading devices with perfected end of course memory |
| 11/14/2001 | CN1322397A Method for controlling current-regulated motor |
| 11/13/2001 | US6316898 Pulse modulated capacitive retract device for a voice coil actuator |
| 11/06/2001 | US6313597 Cleaning apparatus and method with soft-starting |
| 10/31/2001 | EP1150416A1 Electrodynamic direct drive of a linear motor |
| 10/31/2001 | CN1319945A Position test for switch reluctance motor |
| 10/31/2001 | CN1074206C Drive device without sensor for switch-type reluctance motor and method therefor |
| 10/31/2001 | CN1074205C Driver for switching reluctance motor |
| 10/30/2001 | US6310458 Blended velocity estimation |
| 10/24/2001 | CN1318897A Apparatus and method for driving switched reluctance motor |
| 10/16/2001 | US6304409 Active damping of actuator bearing translational mode |
| 10/16/2001 | US6304046 Driving control circuit of a hood motor |
| 10/11/2001 | WO2001076044A2 Reluctance motor and a method for controlling a reluctance motor |
| 10/11/2001 | US20010028236 Speed control apparatus for synchronous reluctance motor |
| 10/11/2001 | US20010028229 Speed electromotive force phase control system adapted to low speed |
| 10/11/2001 | DE10017053A1 Drive system with electric motor for variable speeds and operation on AC network, has mains-commutated converters and no common DC intermediate circuit present |
| 10/11/2001 | DE10014982A1 Switched reluctance machine with magnetic rotor angle position sensors for a vehicle drive motor |
| 10/10/2001 | EP1142099A1 Method for digital control of a universal motor, in particular for electrical household appliance |
| 10/10/2001 | EP1141957A1 A method of controlling the speed of an arm of a disk drive |
| 10/04/2001 | WO2001073938A1 System and method for inductance based position encoding for sensorless srm drives |
| 10/04/2001 | US20010027087 Electromagnetic blower and two-passage air supply apparatus using the same |
| 10/04/2001 | US20010026139 Position detection of switched reluctance machines |
| 10/04/2001 | US20010026138 Single-phase switched reluctance motor driving apparatus and method |
| 10/04/2001 | EP1139560A1 Position detection of switched reluctance machines |
| 10/04/2001 | EP1139555A2 Single-phase switched reluctance motor driving apparatus and method |
| 10/04/2001 | EP1138112A1 Soft turn-off controller for switched reluctance machines |
| 10/04/2001 | DE10106404A1 Drehzahlregelungsvorrichtung für Synchronreluktanzmotor Speed control device for synchronous reluctance |
| 10/04/2001 | DE10035540A1 Reluktanzmotor und Verfahren zur Regelung eines Reluktanzmotors Reluctance motor and method for controlling a reluctance motor |
| 10/02/2001 | US6297613 Control of line harmonics |
| 09/27/2001 | US20010024100 Vector control method for synchronous reluctance motor |
| 09/27/2001 | US20010024099 Method and arrangement for regulating the current in a switched reluctance machine |
| 09/26/2001 | EP1135851A1 Sensorless rotor position detection for switched reluctance machines having irregular poles |
| 09/26/2001 | CN1314745A Vector control method for synchronous magneto-resistance motor |
| 09/26/2001 | CN1071957C Method and apparatus for controlling current in switched reluctance motor |
| 09/26/2001 | CN1071956C Current control apparatus in switched reluctance motor |
| 09/25/2001 | CA2099998C Dial speed control for hand-held power tool |
| 09/20/2001 | US20010022507 Speed control |
| 09/20/2001 | US20010022473 Direct electrodynamic linear drive |
| 09/20/2001 | US20010022163 Process for operating an electromagnetic actuator |
| 09/20/2001 | DE10111795A1 Vector control of reluctance synchronous motor involves using cosine, sine estimates for intermediate angle of angles of in-phase/out-of-phase flux vectors as vector rotator rotation signals |
| 09/20/2001 | DE10012988A1 Verfahren zum Betrieb eines elektromagnetischen Aktors Method for operating an electromagnetic actuator |
| 09/19/2001 | EP1134364A2 Method for actuating electromagnetic actuators |
| 09/19/2001 | CN1314023A Two step power output motor and associated HVAC systems and methods |
| 09/18/2001 | US6291949 Control of switched reluctance machines |
| 09/11/2001 | US6288516 Food processor motor controller |
| 09/11/2001 | US6288514 Commutation method and apparatus for switched reluctance motor |
| 09/11/2001 | US6288513 Rotor position detection in switched reluctance machines |
| 09/06/2001 | US20010019251 Motor control device |
| 09/05/2001 | EP1129518A1 Electric motor |
| 09/04/2001 | US6285157 Fan cooler |
| 09/04/2001 | US6285148 Energization control device for electric motor |
| 08/30/2001 | US20010017527 Rotating electric motor system capable of vibrating and method for operating a rotating electric motor capable of vibrating |
| 08/29/2001 | EP1127278A1 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 |
| 08/23/2001 | US20010015901 Pulse width modulated control apparatus |
| 08/23/2001 | DE10007163A1 Steuergerät für Motor mit Stellungssteuerung Control unit for motor position control |
| 08/21/2001 | US6278247 Multi-resolution drive for actuators |
| 08/16/2001 | EP1124318A1 Dropping impedance power supply |
| 08/15/2001 | CN1069794C Motor drive apparatus and motor driving method capable of simply reducing rotating speed in PWM mode |
| 08/15/2001 | CN1069793C Electric motor |
| 08/14/2001 | US6274953 System for preventing malfunction of a switching circuit for linear motor |
| 08/14/2001 | CA2109068C Process for operating permanently excited single-phase alternating current machines |
| 08/09/2001 | US20010011878 Method of controlling a frequency converter of a reluctance machine |
| 08/08/2001 | EP1121755A1 Frequency control of linear motors |
| 08/08/2001 | CN1307722A Improved notch filtering as used in disc drive servo |
| 08/07/2001 | US6269844 Device and method for moving and controlling weft winding arm in weft feeders |
| 08/02/2001 | WO2001056144A1 Electronic controller for an electric hand tool |
| 08/02/2001 | US20010010453 Brushless machine control |