Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779) |
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08/29/2000 | US6111384 Method for controlling motor speed |
08/23/2000 | EP1030438A1 Control of switched reluctance machines |
08/23/2000 | CN1264213A Control for switch reluctance motor |
08/22/2000 | US6107767 Electric assist steering system having an improved motor current controller with notch filter |
08/22/2000 | CA2198688C Automatic door controller |
08/15/2000 | US6104159 Field weakening control method in induction motor |
08/15/2000 | US6104156 Device for controlling the stopping of a motorized shrouding product |
08/09/2000 | EP1026818A1 Motor speed controller and gain setting method of the controller |
08/08/2000 | US6100660 Current supply controller for an electric motor |
08/02/2000 | CN1261738A No sensor speed controlling method for high speed motor |
07/27/2000 | DE19858697A1 Verfahren und Schaltungsanordnung zur Überwachung des Betriebszustandes einer Last Method and circuit for monitoring the operating state of a load |
07/19/2000 | EP1020985A1 Rotor position detection in switched reluctance machines |
07/19/2000 | CN1260631A Detection for rotor position in magnetic resistance motor for switch |
07/18/2000 | US6091215 Trajectory controller |
07/11/2000 | US6085723 Apparatus and methods for controlling idling speed of an internal combustion engine by reducing torque fluctuations |
07/06/2000 | DE19860110A1 Verfahren zur Überwachung der Drehzahl eines Synchronmotors und Vorrichtung zur Überwachung der Drehzahl eines derartigen Motors A method for monitoring the speed of a synchronous motor and device for monitoring the rotational speed of such a motor |
06/28/2000 | EP1014556A1 Control of switched reluctance machines |
06/28/2000 | EP1014555A2 Method for monitoring the speed of a synchronous motor and device for monitoring the speed of such a motor |
06/28/2000 | CN1258129A Control of switching reluctance electric machine |
06/21/2000 | EP1011190A2 Method and circuit for monitoring the operational status of a charge |
06/14/2000 | CN1256489A Method for monitoring motor current optimization disk speed of regulating disk data drive |
06/08/2000 | WO2000032459A1 System for controlling electric motors used for the propulsion of a transport trolley |
06/07/2000 | EP1006523A1 Monitoring and adjusting a motor current in a disk data drive to optimize a disk rotation speed |
06/02/2000 | WO2000010240A3 Temperature dependent regulation of the speed of an electric motor with a microprocessor |
05/31/2000 | CN1053069C Control system for magnetic resistance switched electric machine |
05/30/2000 | US6070132 Position detecting apparatus |
05/25/2000 | WO2000029902A2 System for removing spurious signatures in motor current signature analysis |
05/23/2000 | US6066074 Exercise apparatus and method |
05/18/2000 | WO2000028405A1 Magnetically-controllable, active haptic interface system and apparatus |
05/18/2000 | WO2000028334A1 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 |
05/11/2000 | WO2000027019A1 Method and apparatus for protecting pwm cycloconverter |
05/11/2000 | DE19851003A1 Einrichtung und Verfahren zur Gewinnung eines dynamisch hochwertigen, teilweise synthetisierten Signals für die Beschleunigung des Läufers eines Antriebs Apparatus and method for obtaining a high-quality dynamic, partially synthesized signal for the acceleration of the rotor of a drive |
05/10/2000 | CN1252645A Controller for AC motor |
05/09/2000 | US6060850 Electric motor control circuit |
05/02/2000 | US6057661 Method of detecting an abnormal load on a servomotor and controlling the same in such an abnormal condition |
05/02/2000 | US6056782 Synchronous machine simulator and synchronous machine simulation method |
05/02/2000 | US6056384 Failure diagnosing circuit and method |
04/26/2000 | EP0916040B1 Electric machine in a driving train, for example of a motor vehicle, and process for driving the same |
04/20/2000 | WO2000022380A1 Rotating head optical transmitter for position measurement system |
04/20/2000 | CA2314882A1 Rotating head optical transmitter for position measurement system |
04/13/2000 | DE19920975A1 Electrical servo steering system drives motor connected to steering system, computes estimate of static friction of steering system and compensates static friction based on estimate |
04/12/2000 | EP0858623A4 Motor controlled surgical system |
04/11/2000 | US6049182 Motor speed control device |
04/05/2000 | CN1051182C Device for controlling speed of rotating DC motor |
03/30/2000 | WO2000017998A1 Motor controller |
03/29/2000 | EP0989665A1 Speed control device for brushless motor |
03/23/2000 | WO2000016175A1 Method and apparatus for energising rotation-translation converters |
03/22/2000 | CN1248325A Method and device for idneitfying system parameters stator resistance and rotor resistance of transmitter-free induction machine operated in field-oriented manner |
03/22/2000 | CN1248092A Equipment and method for controlling current limiter of motor |
03/21/2000 | US6040674 Motor driving device, method of adjusting the same, and information storage device |
03/21/2000 | CA2148633C Motor drive with programmable function switches |
03/16/2000 | WO2000014845A1 Drive device and method for moving a vehicle part |
03/16/2000 | DE19840161A1 Antriebsvorrichtung und Verfahren zum Verstellen eines Fahrzeugteils Drive device and method for adjusting a vehicle part |
03/15/2000 | CN1247645A Motor controller |
03/15/2000 | CN1050472C Device for converting resistance value into control signal which depends on resistance value, and electrical appts. comprising such device |
03/14/2000 | US6037734 Motor velocity controlling method employing detection of all side edges of phase signals of an encoder to generate control target values for updating a motor control command |
03/01/2000 | EP0982825A1 Apparatus for regulating the speed of rotation of an electrical motor and apparatus for centrifuging comprising such a device |
02/29/2000 | US6031966 Motor speed control device |
02/29/2000 | US6031633 Control method of scanner optical system of original image reading apparatus, motor control device and moving unit driving device of image reading apparatus |
02/24/2000 | WO2000010240A2 Temperature dependent regulation of the speed of an electric motor with a microprocessor |
02/23/2000 | CN1049775C Speed controlling method for rotary dc motor and apparatus thereof |
02/22/2000 | US6028406 Method for commutating a brushless motor and power supply for a brushless motor |
02/17/2000 | DE19836882A1 Electric motor has characteristic field stored as digital values for associating parameter and motor speed values, and microcontroller or microprocessor |
02/15/2000 | US6025684 Servo-motor driving method |
02/01/2000 | US6020707 Servo-motor driving method |
02/01/2000 | US6020706 Method of and apparatus for controlling a servomotor |
01/26/2000 | CN1048831C Driving circuit for switched reluctance motor |
01/19/2000 | EP0972140A1 Method and device for controlling systems which have winding for carrying power and winding for drive in electrical machines with magnetic bearing assembly, and an electric drive |
01/19/2000 | CN1241842A Field weakening control method in induction motor |
01/18/2000 | US6016042 Method of detecting the angle of rotation and load torque of a DC motor, and apparatus of detecting the angle of rotation and load torque of a DC motor |
01/13/2000 | WO1999057802A3 Device for regulating rotational speed |
01/12/2000 | EP0971220A2 Device for determining the temperature of the windings in an electrical motor operated by a control circuit |
01/06/2000 | WO2000000966A2 Improved notch filtering as used in a disc drive servo |
01/05/2000 | DE19928758A1 Abnormality detector for energizing controller of phase coil used in electric motor |
01/04/2000 | US6011370 Servo-motor driving method |
01/04/2000 | US6010310 Fan controller for reducing harmonic fluxuations that produces audible sounds |
12/23/1999 | WO1999066335A1 Method and system for performance testing of rotating machines |
12/23/1999 | DE19827302A1 Electric motor incorporating a device for speed control |
12/23/1999 | CA2334962A1 Method and system for performance testing of rotating machines |
12/22/1999 | EP0966085A1 Control device for the cut-off of a motorised shading device |
12/22/1999 | EP0965047A1 Method and device for identifying the system parameters stator resistance and rotor resistance of a transmitter-free induction machine operated in a field-oriented manner |
12/22/1999 | EP0964985A1 Propulsion system, especially for a motor vehicle and method for regulating the idling speed of an internal combustion engine |
12/22/1999 | CN1047700C Motor speed controller |
12/21/1999 | US6006008 Motor drive system controlled by a phase accumulator and method therefor |
12/16/1999 | DE19825409A1 Device for detecting coil temperature of electric motor |
12/15/1999 | EP0963593A1 Motor drive |
12/09/1999 | WO1999062666A1 Trajectory controller |
12/09/1999 | DE19924025A1 Excitation control device for each of several phase winding coils of stator of electric motor |
12/09/1999 | CA2334176A1 Trajectory controller |
12/08/1999 | EP0961584A1 Powered surgical instruments and control unit |
12/01/1999 | EP0961119A2 Method for controlling motor speed |
11/30/1999 | US5995347 Method and apparatus for multi-function electronic motor protection |
11/30/1999 | US5995314 Index signal generating circuit |
11/30/1999 | US5994868 Motor control device |
11/30/1999 | US5994866 Motor controller and disk drive unit |
11/24/1999 | EP0958646A1 Electric motor with an upstream frequency converter |
11/23/1999 | US5990649 Control device for quick angle adjustment of rearview mirror |
11/23/1999 | US5990645 Mechanical vibration detector and vibration damping controller |
11/18/1999 | DE19835576A1 Control system for permanently excited electric motor e.g. for vehicles |
11/17/1999 | EP0957571A2 Torque amplification for ice breaking in an electric torque |