Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779)
10/2002
10/01/2002US6459972 Diagnostic apparatus and method for motor driven power-assisted steering system
10/01/2002US6459220 Spindle-motor control method, spindle-motor control device, spindle-motor drive circuit and disk device
09/2002
09/26/2002DE10153585A1 Verfahren zur Regelung eines Elektro-Antriebs eines Fahrzeugs Method for controlling an electric drive of a vehicle
09/26/2002DE10108548A1 Stellvorrichtung für einen Motor Adjusting device for an engine
09/25/2002EP0890211B1 Process for detecting abutment and blocking in an electric motor
09/24/2002US6456808 Systems and methods for reducing banding artifact in electrophotographic devices using drum velocity control
09/24/2002US6456026 Maintaining, positioning or clamping device
09/19/2002US20020130564 Method and control structure for damping low-frequency load oscillations in drives with a motor and load
09/17/2002US6452668 Rotating head optical transmitter for position measurement system
09/17/2002US6452356 Chopping energization control device for electric motor
09/17/2002US6452352 Method of current interaction in an electric motor drive system having a load-dependent current generating system
09/12/2002US20020128808 Method and apparatus for characterization of voice-coil motor with eddy current effect
09/12/2002US20020128785 Over-current protection method and device
09/11/2002CN1090773C 自动门控制器 Automatic door controller
09/04/2002EP1236607A2 Motor control system
09/04/2002EP1074086A4 Rotating induction apparatus
09/04/2002CN1367562A Rotary hand electric tool and safe starting program
09/03/2002US6445147 Movable body control system for vehicle
08/2002
08/29/2002WO2002067405A1 Regulating device for a motor
08/29/2002US20020117913 Damping of resonant peaks in an electric motor, which is operated using a converter with a voltage intermediate circuit, by increasing the losses produced in the region of critical natural frequencies
08/29/2002US20020117912 Rotary electric machine
08/28/2002CN1366598A Method of controlling preheating power and mechanism of providing preheating
08/28/2002CN1366221A Position control equipment
08/27/2002US6442109 Motor control apparatus, motor control method, disk apparatus and disk access method for correcting an assumed value based on error information
08/27/2002US6439336 Electric power steering apparatus
08/22/2002US20020113615 Constant detecting apparatus for brushless DC motor, control apparatus for brushless DC motor, and program for detecting constant of brushless DC motor
08/22/2002US20020113571 Motor controller
08/22/2002US20020113562 Damping of resonant peaks in an electric motor which is operated using a converter with an intermediate voltage circuit, by means of a matched impedance to ground at the motor star point, and a corresponding electric motor
08/20/2002US6438505 Device for monitoring the speed of rotation of an electric motor and centrifuging apparatus equipped with such a device
08/15/2002WO2002063760A1 High reliability motor system
08/15/2002US20020110371 Rotary electrical hand-tool device and startup safety routine
08/15/2002US20020109477 Inductive load driving circuit
08/15/2002US20020109475 Variable speed fan motor controlled by a reference voltage
08/13/2002US6433496 Semiconductor integrated circuit for motor control
08/13/2002US6431307 Electric power steering control system
08/08/2002US20020105299 Motor driving circuit with a motor failure detecting function
08/07/2002CN1362652A Position control equipment
07/2002
07/31/2002EP1227561A2 Rotatable electric hand tool with starting security system
07/31/2002EP1226789A2 Method and torque control unit for surgical drilling system
07/25/2002US20020097992 Disturbance compensation control system
07/25/2002DE10103142A1 Electric tool rotating apparatus and safety starting routine has microcontroller to disconnect motor drive to tool if threshold exceeded
07/24/2002CN1088241C Shaping loop of indication signal
07/18/2002WO2002055204A1 A motor control circuit for paper shredders
07/18/2002US20020093836 Reduction of natural system oscillations in an electric motor which is operated using a converter with a voltage intermediate circuit, by periodically decoupling the intermediate circuit from the mains system, and corresponding voltage intermediate-circuit converter
07/18/2002US20020093301 Opening/closing control apparatus of opening/closing body for vehicle and method thereof
07/18/2002DE10101213A1 Light vehicle especially an electric bicycle has a temperature sensor and electronic unit to control the electric motor output
07/17/2002CN1087883C No sensor speed controlling method for high speed motor
07/11/2002US20020091469 Flexible and compact motor control module based on the can communication network
07/11/2002DE10146976A1 Vibrationsverringerungsregelungsgerät für einen elektrischen Motor und Entwurfsverfahren für eine Vibrationsverringerungsregelung für den elektrischen Motor Vibration reduction control device for an electric motor and a design method for vibration reduction control for the electric motor
07/11/2002DE10064817A1 Bedämpfung von Resonanzüberhöhungen bei einem an einem Umrichter mit Spannungszwischenkreis betriebenen elektrischen Motor durch erhöhte Verlusterzeugung im Bereich kritischer Eigenfrequenzen Damping of resonant peaks at a on a drive with voltage DC electric motor driven by increased production loss in the range of critical natural frequencies
07/10/2002EP0964985B1 Propulsion system, especially for a motor vehicle and method for regulating the idling speed of an internal combustion engine
07/04/2002DE10161581A1 Flexibles und kompaktes Motorsteuerungsmodul basierend auf dem CAN-Kommunikationsnetzwerk Flexible and compact motor control module based on the CAN communication network
07/03/2002EP1220439A2 Parameter detection of a DC brushless motor and vector control of that motor
07/03/2002EP1220431A1 Damping resonance peaks in an electric motor operated by an inverter with intermediate dc voltage link
07/03/2002EP1220070A2 Motor controller with information display
07/03/2002EP1219017A1 Electronically switchable motor with overload protection
07/03/2002CN1356765A Current chopping in switch magnetoresistance driven system
07/02/2002US6414832 Thermal protection device for a remotely regulated vehicle alternator
06/2002
06/27/2002US20020079856 Motor start-up current control apparatus and method
06/26/2002EP1217712A2 Damping of amplified resonances at a motor driven with a constant voltage inverter by amplifying losses in the range of critical self oscillations
06/26/2002EP1216499A1 Electronically commutable motor
06/25/2002US6411060 Driving device for switched reluctance motor and method therefor
06/20/2002WO2002049202A1 Servo control method and device for dc motor
06/20/2002DE10148882A1 Stator winding error detector for use with an AC motor, has multiple sensors to acquire a set of current/voltage values, processor to calculate sequence components, feed-forward neuronal network and comparator.
06/18/2002US6405701 System for actively reducing rotational nonuniformity of a shaft, in particular, the drive shaft of an internal combustion engine, and method for this
06/13/2002US20020070072 Control apparatus for controlling an electric power steering mechanism
06/13/2002DE10059334A1 Damping resonant increases for electric motor operated by inverter via intermediate circuit, involves using passive electrical components at motor star point to damp capacitive leakage currents
06/13/2002DE10059331A1 Verringerung von Systemeigenschwingungen bei einem an einem Umrichter mit Spannungszwischenkreis betriebenen elektrischen Motor durch periodisches Abkoppeln des Zwischenkreises vom Netz sowie korrespondierender Spannungszwischenkreis-Umrichter Reduction of system oscillations in a on a drive with voltage DC electric motor powered by periodically disconnecting the DC from the network and corresponding voltage-source inverter
06/05/2002EP1211797A2 Reduction of self-oscillation in an intermediate electric circuit driven by a voltage-controlled, mains-connected intermediate circuit and corresponding voltage-controlled inverter
06/05/2002EP1211157A2 Electric power steering controller
06/05/2002CA2350037A1 Motor control method and relay operation processing device used therein and motor
06/04/2002US6397971 Electrically powered steering system
05/2002
05/30/2002WO2002043064A2 Motor start-up current control apparatus and method
05/30/2002US20020063547 Current chopping in switched reluctance drive systems
05/30/2002US20020063546 Current sense IC with circuitry for eliminating ripple current error from motor current measurement
05/30/2002US20020063542 Dynamic motor drive torque control based on power switching device temperature feedback
05/30/2002US20020063016 Electric power steering controller
05/29/2002EP1209806A2 Current chopping in switched reluctance drive systems
05/29/2002DE10141535A1 Elektrisch angetriebenes Servolenkungssystem Electrically driven power steering system
05/29/2002CN1351400A Overload circuit protector
05/28/2002US6396238 Rotational speed control circuit for motor
05/28/2002US6396234 Servo control apparatus and servo control method
05/23/2002WO2002041468A2 Device and method for determining the electrical starting rotor angle
05/23/2002US20020060545 Vibration reduction control apparatus for an electric motor and design method of a vibration reduction control for the electric motor
05/23/2002US20020060543 Chopping energization control device for electric motor
05/23/2002US20020060539 Motor-control device enabling the rotational speed of the motor's rotor to be measured
05/21/2002US6392377 Motor control apparatus and motor control method
05/21/2002US6392376 Electric vehicle motor controller with temperature variation compensation
05/16/2002WO2002039067A1 Angle or position determining device and method, servo device and servo method, and motor
05/15/2002CN1349301A Electric motor control device able to measuring rotary speed of rotator of electric motor
05/15/2002CN1349102A Method and devie for testing fault on stator winding of an AC motor
05/15/2002CN1084960C Self-commissioning controller for field-oriented elevator motor/drive system
05/15/2002CN1084707C Circuit for control elevator speed
05/14/2002US6388860 Dual switch control system
05/14/2002US6388832 Method and system for providing spindle motor control for head loading in a disk drive
05/14/2002US6388419 Motor control system
05/08/2002EP1203270A1 Method and device for reducing torsional vibrations in an internal combustion engine
05/08/2002EP0916026B1 Process for regulating a unit or a frequency converter
05/07/2002US6384567 Controller and control method for motor/generator
05/02/2002EP1202423A2 Actuator drive circuit
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