Patents
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)
04/2005
04/07/2005US20050075766 Electric drive control apparatus, method and program therefor
04/07/2005US20050073281 Electromagnetic motor
04/07/2005US20050073274 Sensorless motor driving apparatus and driving method addressing prevention of backward rotation
04/07/2005US20050073273 Fault-tolerant electric motor control system
04/07/2005US20050073269 Linear motor system
04/07/2005DE102004042403A1 Controlling current consumption of motor, control circuit and connected components operating vehicle automatic clutch, infers total resistance to determine pulse width modulation
04/07/2005DE102004036470A1 Conversion system for PWM signal of cooling fan, involves converting PWM signal to analog voltage signal at different level
04/06/2005EP1520829A1 Controller of elevator
04/06/2005CN2691164Y Double polar motor driving circuit with low switching speed
04/06/2005CN2690894Y Fan motor detection circuit
04/06/2005CN1604976A Inverter of washing machine and inverter of washing machine/dryer
04/06/2005CN1604455A Motor driving apparatus
04/06/2005CN1604454A Motor driving unit system
04/05/2005US6876170 Controller
04/05/2005US6876165 Method for operating an electric motor, and an electric motor for carrying out such a method
04/05/2005US6876163 DC motor having a braking circuit
03/2005
03/31/2005WO2005029692A1 Compressor driving unit and refrigerator using the same
03/31/2005US20050067998 Switched reluctance machine control system and method
03/31/2005US20050067986 Motor drive device and integrated circuit device for motor driving
03/31/2005US20050067890 Motor driving apparatus and disk apparatus using the same
03/31/2005DE10339095A1 Steuerschaltung für einen geschalteten Reluktanzmotor A control circuit for a switched reluctance motor
03/31/2005DE10339028A1 Verfahren und Vorrichtung zum Steuern eines bürstenlosen Gleichstrommotors Method and apparatus for controlling a brushless DC motor
03/30/2005EP1519046A2 Apparatus for compensating for speed error of motor
03/30/2005EP1518316A1 Electric driven tool device
03/30/2005CN1602581A Traction drive
03/30/2005CN1601886A Brushless d, c, motor
03/30/2005CN1601885A F/G pulse converter for controlling rotary speed of BLDC dynamo
03/30/2005CN1601884A D C brushless dynamo drive suitable for electric automobile
03/30/2005CN1601422A Motor speed controller
03/29/2005US6873126 Motor drive method and motor driver
03/29/2005US6873125 Motor driving apparatus and motor using the same
03/24/2005WO2005027318A1 Fan unit using motor equipped with rotor united with fins
03/24/2005WO2004114510A3 Drive cirtuit and electric motor for submersible pumps
03/24/2005WO2004101309A3 Precision adaptive motor control in cruise control system having various motor control schemes
03/24/2005WO2004068693A3 Brushless and sensorless dc motor control system with locked and stopped rotor detection
03/24/2005WO2004066482A3 Electric motor controller
03/24/2005US20050063684 Speed controlling method for an electric motor, control circuit and electric motor
03/24/2005US20050062448 Apparatus for compensating for speed error of motor
03/24/2005US20050062347 System for integrating linear motion guide and reluctance-type linear motor
03/24/2005DE10338996A1 Control method for a brushless electric motor for motor vehicle steering, using active and passive control processes to trigger the motor in a range of cranking and operating speeds
03/24/2005DE102004039385A1 Motorantriebs-Regeleinrichtung Motor drive control device
03/23/2005EP1517433A1 Speed controlling method for an electric motor, control circuit and electric motor
03/23/2005EP1516425A1 Brushless motor control utilizing independent phase parameters
03/23/2005EP1516422A1 A control circuit for a sensorless brushless motor
03/23/2005EP1516421A2 Starter system for portable power unit using a portable universal battery pack
03/23/2005EP1415390B1 Method for controlling the commutation in an electronically commutated motor, and an electronically commutated motor for carrying out said method
03/23/2005CN1599232A Apparatus for compensating for speed error of motor
03/22/2005US6870700 Motor control method for magnetic disk drive
03/22/2005US6870347 Permanent magnet synchronous motor driving system, and method of testing permanent magnet synchronous motor driving system
03/22/2005US6869272 Electric compressor and control method therefor
03/17/2005WO2005025050A1 Driving method and driving apparatus of permanent magnet synchronous motor for extending flux weakening region
03/17/2005WO2005025047A1 Motor drive apparatus capable of accurately estimating demagnetization of permanent magnet motor
03/17/2005WO2005025046A1 Method and circuit arrangement for the sensorless detection of load states of synchronous linear motors
03/17/2005WO2005001591A8 Reactive power optimization with adaptive excitation control
03/17/2005US20050057204 Motor control apparatus
03/17/2005US20050057202 Controller for controlling an electric machine
03/17/2005DE102004039046A1 Elektroantriebsgerät, Elektroantriebssteuerungsgerät und Elektroantriebssteuerungsverfahren Electric drive unit, electric drive control apparatus and electric drive control method
03/16/2005EP1515423A2 Motor control system and vacuum pump equipped with the motor control system
03/16/2005EP1514723A2 Method to control a control circuit and the current running through connected devices of an electrified track with an electrical motor
03/16/2005EP1514342A1 Method and circuit arrangement for operating stepper motors
03/16/2005EP1261968B1 Direct access storage device (dasd) with a variable spindle rotation speed
03/16/2005CN1595788A Brushless DC squirrel cage motor
03/16/2005CN1595787A Dual-mode control method and system for stepping motor
03/16/2005CN1595766A Motor stator, body structure of motor stator, and manufacturing method thereof
03/16/2005CN1193496C Device for driving electric machine without sensor
03/16/2005CN1193494C Method of reducing torque ripple of switching reluctance motor
03/16/2005CN1193493C Apparatus and method for controlling speed for synchronous reluctance motor
03/16/2005CN1193492C Rotary speed control circuit with dynamic synchronous pulse width modulation
03/16/2005CN1193491C Coil driver with power supply tracking and over-voltage protecting function
03/16/2005CN1193475C Permanent magnet type rotary electric machine
03/16/2005CN1193280C Method and system for minimizing vibration in electric machines
03/15/2005US6867560 Drive of rotary electric machine
03/10/2005US20050052175 Device for detecting magnetic pole of synchronous ac motor, and magnetic pole detecting method therefor
03/10/2005US20050052147 Single phase motor driving circuit and single phase motor driving method
03/10/2005US20050052146 Motor control system and vacuum pump equipped with the motor control system
03/10/2005US20050052080 Adaptive electric car
03/10/2005US20050051379 Electric power steering apparatus
03/10/2005US20050051168 Portable ventilator system
03/09/2005EP1512609A1 Steering control device and steering control method of motor vehicle
03/09/2005EP1512217A2 System and method for controlling a rotating electromagnetic machine
03/09/2005EP1512019A1 Method and device for detecting a rotational speed, comprising an estimation of a measured value at low rotational speeds
03/09/2005EP1511666A1 Electronically commutable motor
03/09/2005EP1181757B1 Method for operating an electric motor, and an electric motor for carrying out such a method
03/09/2005EP0908002B1 Control apparatus and method for electric motor-generators
03/09/2005CN1593003A 马达控制器 Motor Controller
03/09/2005CN1592081A Rotor positioning controlling method for switch magnetic resistance servo-motor
03/09/2005CN1592080A System for stopping fan rotation
03/09/2005CN1592079A Rotating speed controlling circuit for brushless dc motor
03/08/2005US6864657 Method and circuits for controlling the power of an electronically switched, two-phase reluctance machine
03/08/2005US6864649 Method and apparatus for supplying current to an electronically commutatable electric motor
03/08/2005US6864647 Linear motor
03/08/2005US6864616 Method and apparatus for forming an electric motor having stacked laminations
03/03/2005US20050047762 Motor speed control device
03/03/2005US20050047761 System, method, and computer-readable medium for reduction of commutation-related acoustic noise in a fan system
03/03/2005US20050046379 Synchronous-motor controller
03/03/2005US20050046375 Software-based adaptive control system for electric motors and generators
03/03/2005US20050046371 Method and apparatus for controlling a brushless DC motor
03/03/2005US20050045414 Electric power steering apparatus
03/03/2005US20050045392 In-wheel electric motors
03/03/2005DE10353012A1 Sensor free capture of position method e.g. for angle velocity of machine rotor, involves sensor free seizing of situation and angular speed of rotor of machine with Kalman filters used for modeling electrical machine to be processed