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)
10/1998
10/27/1998US5828193 Intake air amount control unit for engine
10/27/1998US5828192 Electric vehicle power feed system
10/21/1998EP0872949A2 Single-phase synchronous permanent-magnet motor arrangement
10/21/1998EP0872948A1 Driving circuit for sensorless brushless motor
10/21/1998EP0872011A1 System for controlling the speed of a motor driven by an unregulated voltage
10/21/1998CN1040384C Controlling device and abnormal detecting method of commutatorless electric motor
10/20/1998US5825901 Rotary low-frequency sound reproducing apparatus and method
10/20/1998US5825641 Circuit for sensing individual leg current in a motor controller using resistive shunts
10/20/1998US5825597 System and method for detection and control of circulating currents in a motor
10/20/1998US5825145 Quiet commutation circuit for an electric motor
10/14/1998EP0871285A1 Feedback control system for producing PWM control signals
10/14/1998EP0818042A4 Adaptive compensation for hard disc drive spindle motor manufacturing tolerances
10/14/1998CN1195922A Method and apparatus for controlling current in switched reluctance motor
10/14/1998CN1195921A Current control apparatus in switched reluctance motor
10/14/1998CN1195916A Sensorless brushless DC motor
10/14/1998CN1195915A Stepless variable speed AC motor
10/13/1998US5821725 Electric current compensation circuit for brushless motors for reducing ripples in output torques during phase change
10/13/1998US5821722 Multiphase electrical motor, control and method using overlapping conduction periods in the windings
10/13/1998US5821721 Motor control system especially for control of an optical scanner
10/13/1998US5821717 Method and circuit for driving a hard disk drive spindle motor
10/13/1998US5821715 Pulsed alignment commutation state for sensorless motor start
10/13/1998US5821714 Improvements in and relating to motors
10/13/1998US5821713 Commutation position detection system and method
10/13/1998US5821708 Electronically commutated motor control
10/13/1998US5821707 Inverter controller for brushless direct current motor
10/13/1998US5821660 Brushless direct current motor having adjustable motor characteristics
10/13/1998US5821648 Electrical machine drive system including an optical position transducer circuit and method of operating
10/07/1998CN1195223A Semiconductor integrated circuit for motor control
10/06/1998US5818192 Starting of synchronous machine without rotor position of speed measurement
10/06/1998US5818179 Brushless motor drive circuit including a linear amplifier for sending an output signal based upon the detected back electromotive force voltage
09/1998
09/30/1998EP0868017A1 Method and apparatus to maximise the top speed of brushless DC motors
09/29/1998US5815391 Current sensing circuit for pulse width modulated motor drive
09/29/1998US5815089 Device for transmitting signals from position detector and method of such signal transmission
09/29/1998US5814957 Direct current brushless motor and driving method therefor
09/29/1998US5813069 Motor control method for automatic clothes washer
09/24/1998WO1998042063A1 Dc motor actuator to create radial force
09/23/1998EP0865681A1 Process for controlling a physical quantity, and arrangement for carrying out said process
09/23/1998EP0656158B1 Method of and apparatus for determining a rotor displacement parameter
09/22/1998US5811905 Doubly-fed switched reluctance machine
09/16/1998EP0864197A1 Method of determining the initial rotor position of a synchronous motor
09/16/1998EP0864150A1 Scanning device and apparatus incorporating said scanning device
09/15/1998US5808440 Hybrid communication method and apparatus for a three-phase brushless DC motor
09/15/1998US5808436 Starting circuit and starting method for a brushless motor
09/15/1998US5808389 Apparatus and method for starting a single-phase variable reluctance motor
09/15/1998CA2102283C Sensor motor
09/11/1998WO1998039839A1 A method and apparatus for detecting back electromotive force
09/11/1998WO1998039833A1 Brushless direct current motor having adjustable motor characteristics
09/11/1998CA2282752A1 Brushless direct current motor having adjustable motor characteristics
09/08/1998US5805438 Current controlled PWM inverter for driving a motor without gain adjustment
09/08/1998US5804939 Brushless D.C. motor driving and controlling method and apparatus therefor and electrical equipment
09/08/1998US5804936 Motor controlled surgical system
09/01/1998US5802248 Multi-speed motor
09/01/1998US5801900 Disk storage device, with hub and drive motor rotor features
09/01/1998US5801509 Method of starting a permanent-magnet synchronous motor equipped with angular position detector and apparatus for controlling such motor
09/01/1998US5801500 Motor/compressor combination having a control arrangement for starting the motor with asynchronous and then synchronous commutation
08/1998
08/27/1998WO1998037621A1 Driving device for three-phase brushless motor
08/26/1998CN1191412A Motor speed controlling device
08/26/1998CN1191411A Motor drive
08/25/1998US5798623 Switch mode sine wave driver for polyphase brushless permanent magnet motor
08/19/1998EP0858623A1 Motor controlled surgical system
08/18/1998US5796235 Process and circuits for determining machine-related electro-magnetic and mechanical state variables on electrodynamic induction machines supplied via converters
08/18/1998US5796231 Rotation position detecting device and motor device
08/18/1998US5796227 Initialization damping for a permanent magnet motor
08/18/1998US5796226 Energization control system for switched reluctance motor
08/18/1998US5796194 Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor
08/13/1998WO1998035428A1 Brushless dc motor control
08/13/1998DE19804874A1 Drive control arrangement for brushless motor
08/13/1998DE19804597A1 Drive control device for brushless motor
08/12/1998EP0858152A2 Electronically commutated motor
08/12/1998EP0857717A1 Process for producing N-long-chain acyl acidic amino acids or salts thereof
08/12/1998CN1190282A Method for controlling circuit of sensorless brushless DC motor
08/12/1998CN1190281A Improved commutation position detection system and method
08/11/1998US5793834 Method for detecting position of linear stepping motor and apparatus therefor
08/11/1998US5793183 Motor system with interrupted PWM oscillation
08/11/1998US5793180 Fully digital drive system for brushless motor with voltage or current profiles read from a digital memory
08/11/1998US5793179 Sensorless rotor position monitoring in reluctance machines
08/11/1998US5793178 Synchronous permanent-magnet electric motor and vehicle driven by such a motor
08/11/1998US5793172 Motor controller electronically commutated DC motors in order to compensate for torque drops
08/11/1998US5793170 Motor drive circuit
08/11/1998US5793169 Method and apparatus for controlling static electronic components for phase switching in a three-phase brushless electric motor
08/11/1998US5793168 Active deceleration circuit for a brushless DC motor
08/11/1998CA2149805C Emi filter and method
08/06/1998DE19802604A1 Motor control unit circuit with measuring circuit
08/05/1998EP0856937A2 Improved commutation position detection system and method
08/05/1998EP0856666A1 Liquid delivery device, method of controlling such liquid delivery device, and liquid delivery pump
08/05/1998EP0662265B1 Sensing of rotor position of a switched reluctance motor without a shaft position sensor
08/05/1998CN1039459C Driver circuit for resonant motors
08/04/1998US5789895 BEMF crossing detection in PWM mode operation for sensorless motor control application
07/1998
07/30/1998WO1998033260A1 Improvements in high speed electric motors
07/30/1998WO1998033173A2 A method and apparatus for controlling a motor in a disc drive by modulating the commutation angle
07/30/1998WO1998025336A3 Arrangement for generating drive signals for a multi-phase d.c. motor, lock detector, drive arrangement and disk drive
07/30/1998WO1998023026A3 Motor control device and apparatus for the recording and/or reproduction of information including the motor control device
07/29/1998CN1189256A Soft switching PWM controller and method for reducing torque ripple in multiphase DC motor
07/23/1998WO1998032214A1 Electronic starting and operating control system for a single-phase synchronous motor with a permanent magnetic rotor, also in case of failure
07/23/1998DE19701856A1 Elektronische Anlauf und Betriebssteuerung für einen Einphasen-Synchronmotor Electronic starting and operation control for a single phase synchronous motor,
07/21/1998US5783940 Encoder circuit for determining the position of a rotor of a multiphase motor
07/21/1998US5783924 Drive system comprising a motor, control means for controlling the motor, apparatus comprising the drive system, and method of controlling the motor
07/21/1998US5783920 Error signal control circuit for a phase-lock-loop sensorless motor controller
07/21/1998US5783917 Method and device for driving DC brushless motor
07/21/1998US5783916 Apparatus and method for generating rotor position signals and controlling commutation in a variable reluctance electric motor
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