Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779) |
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04/17/2001 | US6218750 Driving device for polyphase motor |
04/04/2001 | EP1088237A1 Method and system for performance testing of rotating machines |
04/03/2001 | US6211640 Motor drive control system |
04/03/2001 | US6209692 Electric machine for dampening vibrations in a drive train and method of using the same |
03/29/2001 | DE10042338A1 Motor drive controller reduces current to motor coil according to temperature difference between upper temperature threshold and actual temperature of power switching element |
03/28/2001 | CN1063877C Circuit unit for charging capacitor |
03/27/2001 | US6208119 Electronic speed-control circuit |
03/27/2001 | US6208100 Motor overload coil control |
03/27/2001 | US6208099 Technique for controlling current limiter of motor |
03/27/2001 | US6206263 Material advance tracking system |
03/27/2001 | CA2179776C Method and apparatus for transducerless flux, position and velocity estimation in drives for ac machines |
03/22/2001 | WO2001020768A1 Electronically switchable motor with overload protection |
03/22/2001 | WO2001020764A1 Electronically commutable motor |
03/22/2001 | DE19944198A1 Elektronisch kommutierbarer Motor Electronically commutated motor |
03/22/2001 | DE19944194A1 Elektronisch kommutierbarer Motor mit Überlastschutz Electronically commutated motor with overload protection |
03/22/2001 | DE19943210A1 Verfahren und Vorrichtung zur Impulsbreitenbegrenzung zur Regelschwingungsunterdrückung Method and apparatus for pulse width restriction to control oscillation suppression |
03/22/2001 | DE19939250A1 Verfahren und Vorrichtung zur Dämpfung von Drehschwingungen einer Verbrennungsmaschine Method and device for damping torsional vibrations of an internal combustion engine |
03/22/2001 | DE19937703A1 Verfahren zum Regeln eines elektrischen Lenkungs- oder Antriebsmotors A method of controlling an electric steering or drive motor |
03/20/2001 | CA2236964C Synchronous machine simulator and synchronous machine simulation method |
03/15/2001 | DE19941488A1 Schutzschaltung für eine Reihenschaltung aus Leistungshalbleiter-Endschalter und Motor Protection circuit for a series connection of power semiconductor limit switches and motor |
03/15/2001 | DE19941486A1 Circuit for reducing AC components of DC supply to clocked devices in motor vehicle by placing tuned filter in parallel with input to device e.g. DC motor |
03/14/2001 | EP1083651A2 Pulse width limiting method and device to suppress control oscillations |
03/14/2001 | EP1082188A1 Trajectory controller |
03/13/2001 | US6201369 SCR protection from stalled motor without current sensing |
03/08/2001 | WO2001017086A1 Circuit protection for a series connection consisting of a power semiconductor-position switch and a motor |
03/06/2001 | US6199023 System for removing spurious signatures in motor current signature analysis |
03/06/2001 | US6198315 Current detection circuit |
03/01/2001 | WO2001014944A1 Method and device for reducing torsional vibrations in an internal combustion engine |
03/01/2001 | WO2000022380A8 Rotating head optical transmitter for position measurement system |
03/01/2001 | DE10020092A1 Verfahren und System für eine Spindelmotorsteuerung für das Kopfladen in einem Festplattenantrieb Method and system for a spindle motor control for the head shop in a hard disk drive |
02/27/2001 | US6194878 Electronic speed control circuit |
02/21/2001 | EP1076926A1 Device for regulating rotational speed |
02/15/2001 | WO2001011747A1 Device for monitoring the measuring system of an electric drive |
02/14/2001 | EP1076410A2 Control method for electrical steering- or drive-motor |
02/08/2001 | DE10035783A1 Vorrichtung zur Überwachung eines Meßsystems eines elektrischen Antriebs Device for monitoring of a measuring system of an electric drive |
02/07/2001 | EP1074899A1 Controller and control method |
02/07/2001 | EP1074086A1 Rotating induction apparatus |
02/07/2001 | CN1283324A Motor speed controller and gain setting method of the controller |
02/06/2001 | US6184638 Control system for an induction motor |
02/01/2001 | DE10020981A1 Motor control device with earth-leakage circuit-breaker (ELCB), uses error logic circuit for detecting excessive current condition, for smooth shut-down |
01/31/2001 | EP1073174A2 Electrical motor with self-protection against overheating |
01/17/2001 | EP1069677A2 Motor controller for driving various machines |
01/10/2001 | EP1067669A2 Pulse-width modulation inverter |
01/10/2001 | EP1066672A1 Maintaining, positioning or clamping device |
01/10/2001 | CN1279778A Process and drive for torque-controlled driving of machine |
01/09/2001 | US6170241 Microprocessor controlled motor controller with current limiting protection |
01/04/2001 | WO2001000936A1 Shovel |
01/02/2001 | US6169648 Electronic motor protection system |
12/28/2000 | DE19929157A1 Monitoring electrical parameters of brake regulation d.c. electric motor involves determining/evaluating semiconducting switch power connection potential in time with clock |
12/26/2000 | US6166930 Reduced common voltage in a DC matrix converter |
12/26/2000 | US6166511 Energization controller for a phase coil of an electric motor |
12/26/2000 | US6166507 Disk drive system |
12/26/2000 | US6166502 Thermal current limiting apparatus and method for vehicle system with electric motor actuator |
12/26/2000 | US6166501 Index signal generating circuit |
12/19/2000 | US6163119 Sensorless speed control method of high speed motor |
12/14/2000 | DE10006607A1 Switched reluctance motor control device uses microprocessor providing control signals for switching transistors supplying DC voltages to stator phase windings in dependence on detected rotor position |
12/05/2000 | US6157156 Motor controller |
11/30/2000 | WO2000072423A1 Method for operating an electric motor, and an electric motor for carrying out such a method |
11/29/2000 | EP1055131A2 System for removing spurious signatures in motor current signature analysis |
11/29/2000 | CN1275216A Controller and control method |
11/23/2000 | DE10024485A1 Operating method for electronic commutating electric motor, using microprocessor controller and non-transient memory to store normal operating motor parameter for comparison with monitored values during operation |
11/22/2000 | EP1053928A2 DC motor drive unit and motor-driven power steering control apparatus |
11/22/2000 | EP1053921A2 Wiper motor control apparatus |
11/21/2000 | US6150782 Process for detecting abutment and blocking in an electric motor |
11/21/2000 | US6148784 Drive systems, especially for a motor vehicle, and method of operating same |
11/15/2000 | EP1052108A1 Material advance tracking system |
11/09/2000 | WO2000067368A1 Electronically commutable motor, in particular, for a liquid pump |
11/08/2000 | EP1050943A2 Electronic motor protection system |
11/08/2000 | CN1058309C Parameters determination method, of membership function for fuzzy control of washing machine motor |
11/07/2000 | US6144176 Method for reducing acoustic and vibration energy radiated from rotating machines |
11/02/2000 | EP0876554B1 Starter/generator for an internal combustion engine, in particular a vehicle engine |
11/02/2000 | DE19919462A1 Elektronisch kommutierbarer Motor, insbesondere für eine Flüssigkeitspumpe Electronically commutatable motor, in particular for a liquid pump |
11/02/2000 | DE10013151A1 Chopping controller for three phase switched reluctance motor, changes drive signals input respectively to two switching elements after preset time elapse, when switching elements are in same operating state |
11/01/2000 | CN1271934A Method and system for providing control of main shaft motor in disk drive |
10/31/2000 | US6140794 Energization controller for a phase coil of an electric motor |
10/31/2000 | US6140789 Method of detecting, diagnosing and automatically correcting abnormalities in servo control system |
10/26/2000 | WO2000064039A1 Motor control apparatus and control method |
10/19/2000 | WO2000061326A1 Control for an arc welding system |
10/19/2000 | CA2369135A1 Control for an arc welding system |
10/18/2000 | EP1045514A1 Process for controlling a rotating machine and power supply for such a machine |
10/12/2000 | WO2000060588A1 Reproducer for disc-shape storage medium |
10/05/2000 | DE10012280A1 Control system e.g. for induction motor driver, has reference point adjuster which adjusts point at arbitrary position on stator current vector surface plane |
09/28/2000 | WO2000029902A3 System for removing spurious signatures in motor current signature analysis |
09/27/2000 | EP1039624A2 Motor drive control system |
09/27/2000 | EP1038158A1 Rotating head optical transmitter for position measurement system |
09/27/2000 | CN1267954A Induction motor driver and its parameter estimation method |
09/27/2000 | CN1267953A Driving control system for electric machine |
09/20/2000 | EP1037357A2 Temperature protection control for a motor starter |
09/20/2000 | EP1037353A2 Motor overload coil control |
09/20/2000 | CN1267113A Motor overload coil controller |
09/20/2000 | CN1267112A Temp. protection control for starter of motor |
09/19/2000 | US6122153 Temperature protection control for a motor starter |
09/13/2000 | EP1034991A2 Wiper control apparatus and method capable of variably adjusting wiper blade motion |
09/12/2000 | US6118613 Electromagnetic actuator drive circuit |
09/12/2000 | US6118245 Control device and control process for motors |
09/06/2000 | EP1032867A1 Process and drive for torque-controlled driving of a machine |
09/06/2000 | EP0902918B1 Motor-regulating device and method |
08/31/2000 | WO2000051229A1 Rotating induction apparatus |
08/31/2000 | DE19935601A1 Motorantriebsvorrichtung, Verfahren zum Einstellen derselben und Informationsspeichervorrichtung Motor driving apparatus, and method for adjusting the same information storage device |
08/29/2000 | US6112156 Apparatus and method for detecting abnormality of motor |