Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217)
04/2013
04/24/2013CN202906814U Motor system with step-down circuit
04/24/2013CN103068339A Resonant motor unit and electric device with resonant motor unit
04/24/2013CN103068338A Method for operating an electric appliance and electric appliance
04/24/2013CN103066902A Method for realizing passive control law of direct-current motor based on load observation
04/24/2013CN102252126B Method for identifying parameters of servo object in electro-hydraulic angular displacement servo system
04/24/2013CN102160276B Normally-off protection element and control unit provided with same
04/24/2013CN101868090B Circuit for dimming or speed regulation control and control method
04/23/2013US8427092 High voltage DC electric power generating system with permanent magnet generator protection
04/23/2013US8425436 Motion assistive device and maintenance management system for motion assistive device
04/18/2013US20130094979 Multi-Mode Motor For Switching Among Motor Power Supplies
04/18/2013US20130093368 Electric devices
04/18/2013US20130093366 Control device and control method for power converter
04/18/2013US20130093364 Wiper motor control
04/18/2013DE102010020184B4 Servomotor-Steuergerät zum Steuern einer periodischen Hin- und Herbewegung A servomotor control apparatus for controlling a periodic reciprocating movement
04/17/2013CN103051263A Direct-current motor rotation speed control circuit based on bridge type servo control
04/17/2013CN103051262A Brushless direct current motor electronic speed governor based on STM32
04/17/2013CN103051261A Motor driving device and driving method
04/16/2013US8421391 Electric motor stator winding temperature estimation systems and methods
04/11/2013US20130090761 Motor control device, robot hand, robot, and motor control method
04/10/2013CN202872713U Direct-current motor speed regulation system with wireless remote control function
04/10/2013CN202872712U An electronic speed stabilizer of a DC motor
04/10/2013CN202871791U Encapsulating device of compact single-phase integration driving circuit, and single-phase integration driving circuit
04/10/2013CN103036493A Toy lock direct current motor driving integrated circuit with temperature protection
04/10/2013CN102082537B Control method and system of motor for electric automobile
04/10/2013CN101060878B Using motor speed in a PAP device to estimate flow
04/09/2013US8415905 Battery power system
04/09/2013US8415839 Apparatus and methods for mitigating electromagnetic emissions
04/04/2013WO2013045992A1 Device and method for adjusting ventilation on board vehicles
04/03/2013CN103023406A 控制电路 The control circuit
04/03/2013CN101447758B Method for controlling an electric motor by using the PWM technique
04/02/2013US8410742 Operating a synchronous motor having a permanent magnet rotor
03/2013
03/28/2013WO2013041097A1 An electronic circuit
03/28/2013US20130076286 Reducing tonal excitations in a computer system
03/28/2013US20130076278 Method and apparatus for increasing the run time of an electric cart
03/28/2013US20130076277 System and method for current estimation for operation of electric motors
03/28/2013US20130076276 Spring-loaded drive with active feedback in dc circuit
03/28/2013DE102012108951A1 Motorsteuerschaltung und mit derselben ausgerüstete Servo-Einrichtung Motor control circuit and equipped with the same servo device
03/27/2013EP2572448A2 Method for moving an element, which is driven by an electric motor inside a predetermined movement section between two block positions each formed as a limit stop, into a block position
03/27/2013CN202841040U Control circuit for reducing power consumption when direct current motor is blocked
03/27/2013CN202841039U Circuit structure capable of improving heat-sinking capability of metal oxide semiconductor (MOS) transistor
03/27/2013CN202841038U 智能直流马达控制电路 Intelligent DC motor control circuit
03/27/2013CN103001562A Temperature-protection built-in integrated direct-current motor driving circuit for toy
03/27/2013CN102999012A Motor control device and image forming apparatus
03/27/2013CN101997469B Motor driving system
03/26/2013US8405335 Rotary electric machine control system
03/26/2013US8403807 Control device for vehicular power transmitting apparatus
03/21/2013US20130073110 Diagnostic and managing distributed processor system
03/21/2013US20130069580 Pwm signal output circuit
03/21/2013US20130069579 Motor winding overheat prevention apparatus and motor control apparatus
03/21/2013US20130069577 Speed control apparatus for the switched reluctance motor
03/21/2013US20130069565 Circuit For A Small Electric Appliance With An Accumulator And Method For Measuring A Charging Current
03/21/2013DE102011113975A1 Control circuit for controlling power supply of electromotor, has filter unit comprising inductor and capacitor that filter frequencies in medium- and long-wave range, where filter unit is arranged in output region of control circuit
03/20/2013CN202818207U Motor driving device and fan device having rotating speed limiting function
03/20/2013CN202818206U Brush direct current motor control driver
03/20/2013CN202818205U Series-excited brush direct-current motor controller
03/20/2013CN202818204U Control system for a brushless DC motor of a motor vehicle
03/20/2013CN202818203U A fretsaw speed regulating control circuit
03/20/2013CN202818202U Military straight line position type electric steering engine control driver
03/20/2013CN202818201U Motor speed adjusting device of microcomputer
03/20/2013CN202805233U Intelligent power control circuit of automatic revolving-speed-adjustable charging type electric hair cutter
03/20/2013CN102983800A Control method for torque output of electric bicycle
03/20/2013CN102983799A Electromotor rotating speed control system
03/19/2013US8400089 Control electronics for brushless motors
03/14/2013WO2013034253A1 Drive assembly for the motorized adjustment of an adjusting element of a motor vehicle
03/14/2013DE102011114036A1 Method for controlling adjustment device of motor car, involves determining switching-off time point of motor depending on parameter values of environment parameters e.g. ambient temperature of motor car, and system parameters
03/13/2013CN202798554U DC motor PWM controller
03/13/2013CN101536301B Method for determining the rotary position of the rotor of a mechanically commutated DC servo motor
03/12/2013US8395334 Refrigerator
03/07/2013US20130057190 Device and method for regulating an increase in the output torque over time of an electric drive motor
03/07/2013US20130057187 Method and device for detecting blocking or sluggishness of a dc motor
03/07/2013US20130057182 Self-contained motorization system
03/07/2013DE19615581B4 Verfahren zum Schutz von mechanischen und durch einen Elektromotor angetriebenen Komponentenin Fahrzeugen vor Beschädigung A method for protection of mechanical and driven by an electric motor vehicles from damage Komponentenin
03/07/2013DE10300700B4 Bewegungssteuerungssystem, das sowohl einen Schrittmotor als auch einen Gleichstrommotor umfaßt A movement control system which comprises both a step motor and a DC motor
03/07/2013DE102011112143A1 Elektrowerkzeug mit optischer Informationseinrichtung Power tool with visual information device
03/06/2013EP2566047A2 Motor drive device and pump comprising the same
03/06/2013EP2566041A2 Motor control device, pump device, and liquid circulation device
03/06/2013CN202772827U AC fan control circuit
03/06/2013CN102957369A Brushless DC (Direct Current) motor speed regulation device on basis of DSP (Digital Signal Processor)
03/06/2013CN101867339B Motor control method of electronic mechanical braking system
03/05/2013US8390229 Washing machine with improved method of braking to a non-zero speed
03/05/2013US8390228 Methods and systems for induction machine control
03/05/2013US8390227 Electric power control system and efficiency optimization process for a polyphase synchronous machine
03/05/2013US8390226 Voltage mode using pseudo current limit
02/2013
02/28/2013US20130049643 Electric power tool
02/28/2013DE102011111966A1 Method for controlling wear-resistant circuit for direct current (DC) motor used in automotive industry, involves stopping motor operation by switching on auxiliary relay, while maintaining switching state of main relay
02/27/2013EP2561609A1 Method for controlling position and/or speed
02/27/2013EP2561608A2 Processing a motor variable of a dc motor
02/27/2013CN1950993B Commutator motor having a number of field winding groups
02/27/2013CN102946223A Auxiliary control method and device of temperature of vehicular brushless direct current motor
02/26/2013US8384328 Control methodology for an AC starter-generator system
02/21/2013WO2013025552A1 Bi-stable, sub-commutated, direct-drive, sinusoidal motor controller for precision position control
02/20/2013EP2559893A1 Rotor blade adjustment device for a wind turbine
02/19/2013US8378607 Method and arrangement for operating a ship ramp
02/19/2013US8378601 Control apparatus for permanent magnet synchronous motor
02/14/2013US20130038265 Motor controller
02/14/2013US20130038257 Motor drive device, brushless motor, and motor drive method
02/14/2013US20130038251 Motor control device
02/14/2013US20130038249 Drive System and Machine
02/14/2013DE102012107276A1 Motorsteuerungsvorrichtung The engine control apparatus
02/14/2013DE102012107275A1 Motorsteuerungsvorrichtung The engine control apparatus
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