H02P 5 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors

Patents for H02P 5 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors (4,788)
12/2004
12/30/2004	US20040263104 Sensorless motor driving device and its driving method
12/30/2004	DE102004027699A1 Antriebsvorrichtung für Schrittmotoren und diese verwendende Anzeigeeinrichtung Drive means for stepper motors and use this indicator
12/29/2004	EP1490951A1 Electrical rotating machine having two rotors driven by means of compound current
12/29/2004	CN1558545A Compensate control method for AC servo motor moment disturbance
12/28/2004	US6836416 Multi-output power conversion circuit
12/28/2004	US6836087 Multiphase motor voltage control for phase windings of different wire gauges and winding turns
12/23/2004	US20040260488 Reactive power optimization with adaptive excitation control
12/23/2004	US20040257022 Method and system for multiple servo motor control
12/23/2004	US20040257010 Open-and-close control system for openable apparatus
12/22/2004	EP1489734A2 Drive control system
12/22/2004	CN2664651Y Armature voltage negative feedback type control device for motor of massage chair/mat
12/22/2004	CN2664650Y Massage chair/mat motor speed negative feedback type control device
12/22/2004	CN1557045A 电梯的控制装置 The elevator control apparatus
12/16/2004	US20040251861 Spindle motor acceleration control
12/15/2004	EP1487097A1 Control constant adjusting apparatus
12/15/2004	EP1485988A1 Clean power powerbus variable frequency drive system
12/14/2004	US6832127 Motor controller
12/14/2004	US6831431 Method for regulating the rotational speed of a motor and a motor for carrying out a method of this type
12/09/2004	US20040245959 Machine model predicting device of motor control device
12/02/2004	US20040239280 Speed control device
12/02/2004	US20040239271 Motor drive system
12/01/2004	EP1482634A2 Motor drive system
12/01/2004	EP1480847A1 Sequenced pulse width modulation method and apparatus for controlling and powering a plurality of direct current motors
11/2004
11/30/2004	US6823792 Multi-motor drive and method for driving a printing press
11/25/2004	US20040232867 System and method for controlling movement
11/25/2004	US20040232864 Apparatus for controlling motor
11/25/2004	US20040231088 Power management system for a floor care appliance
11/24/2004	EP1480324A2 Apparatus for controlling motors
11/24/2004	CN1549441A 伺服驱动器 Servo drives
11/17/2004	EP1476937A1 Drive system
11/16/2004	US6819071 Automatic garage door closing system
11/16/2004	US6819069 Arrangement with an electric motor
11/11/2004	WO2004097538A1 Method and device for controlling a production unit
11/11/2004	WO2004082126A8 Electric vehicle with adaptive cruise control system
11/11/2004	DE10319064A1 Verfahren und Vorrichtung zur Steuerung einer Fertigungseinheit Method and apparatus for control of a production unit
11/09/2004	US6815920 Motor driver and system with phase-spaced redundancy
11/09/2004	US6815857 Electrical rotating machine having two rotors driven by means of compound current
11/04/2004	WO2004095683A1 Twin synchronization control method
11/03/2004	EP1341684B1 Electric driver circuit and method
11/03/2004	CN1542573A Self-adapting type intelligent electric actuator controller and method for realizing adaptive control thereof
11/02/2004	US6812661 Multiphase motor having winding connections specific to respective operating speed ranges
11/02/2004	US6812657 Motor control for two motors
11/02/2004	US6812656 Sequenced pulse width modulation method and apparatus for controlling and powering a plurality of direct current motors
11/02/2004	CA2089570C Controlling a feed of objects
10/2004
10/28/2004	WO2004093287A1 Method and sytem for controlling the reactive power of a variable speed drive
10/28/2004	US20040213558 Control circuitry for controlling rotational speed of a DC motor
10/28/2004	US20040212278 Drive unit and an operating apparatus
10/28/2004	DE10316641A1 EMV-optimierte Vorrichtung zur Ansteuerung eines Gebläses EMC-friendly device for driving a blower
10/27/2004	CN2652038Y Feedback electrical vibrator controller with double-circuit current
10/26/2004	US6810202 Apparatus for controlling rotational speed of motor
10/26/2004	US6809494 Servo control system
10/26/2004	US6809493 Servo controller
10/21/2004	US20040210328 System and method for control scheduling
10/21/2004	US20040207357 Numerical controller
10/21/2004	US20040207349 Drive voltage generating apparatus and method for controlling the same
10/21/2004	US20040207345 Switching device for controlling at least two motors
10/20/2004	EP1469589A1 Device for controlling several electrical motors simultaneously, for instance for powering curtains, shutters and the like
10/19/2004	US6806660 Motor controlling serial communication device and motor driver
10/14/2004	WO2004088833A1 System for driving synchronous motors with built-in permanent magnets
10/14/2004	US20040201354 Vsd control
09/2004
09/30/2004	US20040189225 Driving control device for actuator
09/30/2004	US20040189221 Drive control device for direct current motor, rotation drive system for direct current motor and semiconductor integrated circuit for driving coil
09/30/2004	DE10232717B4 Gebläseansteuerung für Kühlungsgebläse an Fahrzeugen Fan control for cooling fan on vehicles
09/29/2004	CN1533020A Robust current loop controller used for servo system
09/28/2004	US6798497 Lithographic projection apparatus, device manufacturing method, device manufactured thereby, and measurement method
09/28/2004	US6798159 VSD control
09/28/2004	US6796476 Power control system for a framing tool
09/23/2004	WO2004082126A1 Electric vehicle with adaptive cruise control system
09/23/2004	WO2004082121A1 Method and control unit for controlling fan motors
09/23/2004	US20040183497 Controller
09/23/2004	DE10310830A1 Control of a ventilation system with two or more fans, whereby pulse width modulated signals with different time periods are used to control the fans in conjunction with each other to generate a desired ventilation output
09/23/2004	CA2519130A1 Electric vehicle with adaptive cruise control system
09/22/2004	EP1460756A1 Electrical load apparatus,electrical load control method,and computer-readable record medium with recorded program for enabling computer to control electrical load
09/22/2004	EP1460503A1 Numerical controller
09/22/2004	EP1458246A1 Process for preparing chewing gum containing a nutritional supplement
09/22/2004	CN1530784A Numerical value controller
09/21/2004	US6794843 Ventilator having a muting device
09/21/2004	US6794842 Servomotor drive control system
09/16/2004	US20040181323 Electric vehicle with adaptive cruise control system
09/16/2004	US20040180606 Synchronous control device
09/16/2004	US20040179830 PWM driving apparatus
09/16/2004	US20040178761 Method of driving a servo motor with a built-in drive circuit
09/16/2004	DE10357807A1 Verfahren des Antreibens eines Servomotors mit eingebauter Treiberschaltung Method of driving a servo motor with built-in drive circuit
09/15/2004	EP1458085A2 PWM output driver for two loads
09/14/2004	US6791294 Servo control system
09/09/2004	US20040174126 Motor speed and position control
09/09/2004	US20040174124 Motor control method and system for parallel hybrid electric vehicle
09/09/2004	DE102004006023A1 Mehrwechselrichtersystem mit leistungsarmen Potentialschienenwelligkeiten und Verfahren dafür More inverter system with low power Potentialschienenwelligkeiten and method therefor
09/08/2004	EP1455440A2 Drive voltage generating apparatus and method for controlling the same
09/08/2004	EP1455439A1 Actuator driving device of working machine
09/08/2004	EP1455438A2 Synchronous control device
09/08/2004	CN1527474A Method for driving servo motor with built-in driving circuit
09/08/2004	CN1527170A Sync control device
09/02/2004	US20040170721 For preparing dosage forms of therapeutic agents topically effective toward the gastrointestinal tract having improved dose accuracy and uniformity
09/01/2004	CN2638330Y Electromagnetic variable-speed motor controller
08/2004
08/26/2004	US20040164691 Apparatus for and method of driving motor to move object at a constant velocity
08/25/2004	EP1449000A2 Control device
08/25/2004	CN1524334A Deceleration during mains break
08/19/2004	US20040160201 Multiple inverter system with low power bus ripples and method therefor
08/18/2004	CN1521582A Variable speed control of multiple motors

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