Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils › H02P 6 - Arrangements for controlling synchronous motors or other dynamo-electric motors with electronic commutators in dependence on the rotor position; Electronic commutators therefor
Patents for H02P 6 - Arrangements for controlling synchronous motors or other dynamo-electric motors with electronic commutators in dependence on the rotor position; Electronic commutators therefor (19,185)
05/1999
05/11/1999US5903127 Method and apparatus for controlling current in a switched reluctance motor
05/11/1999US5903117 Method and adaptor for connecting a powered surgical instrument to a medical console
05/11/1999US5903074 Brushless DC motor and method for driving the same
05/06/1999EP0913923A2 Servo-motor driving method
05/06/1999EP0913028A1 Electronically commutated engine
05/06/1999EP0913027A1 Method for commutating a brushless motor and power supply for a brushless motor
05/05/1999CN1215944A DC brushless motor drive device
05/04/1999US5901268 Drive control apparatus for brushless motor
05/04/1999US5900714 Circuit for sensing motor load current
05/04/1999US5900706 Motor drive control apparatus
04/1999
04/29/1999WO1999021271A1 Method and device for controlling brushless dc motor
04/28/1999EP0911956A2 Staggered pulse width modulation apparatus and method for EMI minimization in motor
04/28/1999EP0911946A2 Integral motor and control
04/28/1999EP0911945A2 Integral motor and control
04/28/1999EP0910892A1 Absolute angle estimation apparatus for a sensorless switched reluctance machine system
04/28/1999EP0910891A1 Synchronous sampling circuit for a sensorless switched reluctance machine system
04/27/1999US5898283 Voltage feedforward control system for a spindle motor of a disk drive
04/22/1999WO1999019980A1 Unit and method of driving with motor, and apparatus for recording and/or reproducing recording medium
04/21/1999EP0781466B1 Circuit and method for the control of a brushless d.c. motor
04/21/1999CN1214812A Arrangement for generating drive signal for a multi-phase D. C. motor, lock detector, drive arrangement and disk drive
04/20/1999US5896019 Motor control device
04/15/1999WO1999018654A1 Method and device for controlling a synchronous motor with permanent magnet
04/15/1999WO1999018653A1 Motor control system
04/15/1999WO1999018652A1 Improved brushless linear motor
04/14/1999EP0909014A1 Closed loop and open loop synchronization of the phase switchings in driving a DC motor
04/14/1999EP0909013A2 Single-phase synchronous motor with permanent-magnet rotor and method of driving it
04/14/1999EP0908002A1 Control systems for electric motor-generators
04/14/1999EP0907878A2 Apparatus and method for processing signals obtained from a position encoder
04/14/1999CN1042996C Drive circuit for brushless motor
04/13/1999US5894211 Electric machine
04/13/1999US5894210 Control of a switched reluctance machine
04/13/1999US5894204 Spindle motor control method and disk unit
04/13/1999CA2168472C A brushless spindle motor for a grinding machine including hydrostatic bearings
04/08/1999WO1999017437A1 Control system for a permanent magnet motor
04/06/1999US5892339 Three-phase brushless DC motor driving circuits and methods using one hall signal
04/06/1999CA2159781C Apparatus for starting a switched reluctance motor
04/06/1999CA2159405C Procedure for starting an elevator
03/1999
03/31/1999EP0904632A1 Electromotor control device for power steering
03/31/1999CN1212329A Mixed type vehicula motor controller
03/24/1999EP0903844A1 Drive system
03/24/1999EP0903008A1 Arrangement with a motor with an electronic commutator
03/24/1999EP0903007A1 Arrangement with an electronically commutated motor
03/24/1999EP0744825B1 Motor driving device
03/24/1999CN1211650A Washer
03/24/1999CN1211649A Washer
03/23/1999US5886489 Apparatus and method for reducing spindle power and acoustic noise in a disk drive
03/23/1999US5886487 DC motor driver having output FETS that conduct to rectify output overvoltage and undervoltage transients
03/23/1999US5886486 Sensorless brushless DC motor
03/23/1999US5886485 Sensorless BLDC motor and a manufacturing method thereof
03/23/1999CA2168162C A switched reluctance motor providing rotor position detection at low speeds without a seperate rotor shaft position sensor
03/17/1999EP0902527A2 Actively controlled regenerative snubber for unipolar brushless dc motors
03/17/1999EP0901931A2 Motor controlling apparatus for a hybrid car
03/17/1999CN1211104A Motor driving apparatus having back-gate-floating MOSFET for avoiding reverse current
03/16/1999US5883484 Controller for driving a permanent magnet type synchronous motor
03/16/1999US5883479 BEMF rectification during power off to prevent parasitic effect
03/16/1999US5881447 Method of making a permanent magnet rotor
03/16/1999CA2188888C Rotor position sensing in a dynamoelectric machine using mutually energized closed coils in adjacent phases
03/16/1999CA2158845C Brushless repulsion motor utilizing electronic switching circuits
03/10/1999CN2310189Y Brushless dc motor air extracting pump
03/09/1999US5880950 Inverter driving circuit for brushless d.c. motor
03/09/1999US5880566 Absolute angular position calculation apparatus for a rotating motor and velocity control apparatus adopting the same
03/09/1999US5880565 Actuator controller
03/03/1999EP0899863A2 Systems and methods for braking of actuator and brushless DC motor therein
03/03/1999EP0899862A2 Systems and methods for actuator power failure response
03/03/1999CN1209687A Harmonic current attenuation device for electric motor
03/02/1999US5877606 Starting of synchronous machine without rotor position or speed measurement
03/02/1999US5877602 Driving curcuit for sensorless brushless motor
03/02/1999CA2035020C Injection molding machines having a brushless dc drive system
02/1999
02/25/1999WO1999009645A1 Separately excited electric machine
02/25/1999WO1999009644A1 Method and apparatus for driving a brushless dc motor without rotor position sensors
02/24/1999EP0897610A2 Arrangement for generating drive signals for a multi-phase d.c. motor, lock detector, drive arrangement and disk drive
02/24/1999CN1208988A Digital control IC system
02/23/1999US5874821 Method and apparatus for controlling a brushless electro motor by determining the absolute phase position of the rotor relative to the stator
02/23/1999US5874817 Motor driving circuit for a three-phase brushless motor
02/23/1999US5874814 Brushless motor driven by applying varying driving signals
02/18/1999WO1999008374A1 Position sensing in brushless motor systems
02/17/1999EP0897213A1 Monitoring of current in an inductive load, PWM driven through a bridge stage
02/17/1999EP0896760A1 Control circuit for five-phase brushless dc motor
02/17/1999EP0896716A1 Pwm/linear driver for disk drive voice coil actuator
02/17/1999CN1208512A Motor control device and apparatus for the recording and/or reproduction of information including the motor control device
02/16/1999US5872442 Brushless motor
02/16/1999US5872435 Electrical drive arrangement
02/16/1999US5872434 Systems and methods for actuator power failure response
02/11/1999DE19734292A1 Electronic control for electronically-commutated unipolar DC motor
02/10/1999EP0896423A2 Motor with electronic current distributing configuration
02/10/1999EP0896422A1 Current control in driving DC-brushless motor with independent windings
02/10/1999CN2307398Y Improved small brushless dc motor
02/10/1999CN1207608A Motor with electronic distributing configuration
02/10/1999CN1042081C System for controlling brushless DC motor
02/09/1999US5869946 PWM control of motor driver
02/09/1999US5869944 Motor driving apparatus
02/09/1999CA2160170C Electronically communated motor control
02/04/1999WO1999005779A1 Method and device for controlling drive of air conditioner
02/03/1999EP0895345A1 Method for monitoring a collecterless dc motor and motor for performing such a method
02/03/1999EP0895344A2 A method of controlling a torque ripple of a motor having interior permanent magnets and a controller using the same method
02/03/1999CN1207217A High-efficiency electric motor of electronic commutation type
02/03/1999CN1206885A Pulse width modulator
02/02/1999US5867004 Relative angel estimation apparatus for a sensorless switched reluctance machine system
02/02/1999US5867001 Trim circuitry and method for accuracy in current sensing
02/02/1999US5866998 For operating a polyphase direct current motor
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