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