Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779)
06/2009
06/17/2009CN100502225C General AC motor control system
06/10/2009EP2067398A1 Hybrid law mower
06/10/2009CN101454969A Servo controller
06/04/2009US20090140682 Motor control unit, motor control method and image forming apparatus
06/04/2009DE102007057561A1 Torque determining method for electric machine, involves determining torque of machine while operating as generator and motor, respectively according to voltage, current and number of revolutions of electric drive
06/03/2009EP2066022A2 Controller of Multi-Phase Electric Motor
06/03/2009EP2066021A2 Controller of Multi-Phase Electric Motor
06/03/2009EP0933868B1 Controller and control method for pressing by servo motor
06/02/2009US7542251 Auto-protected power modules and methods
05/2009
05/28/2009WO2009066483A1 Electric compressor
05/28/2009WO2009065667A1 Monitoring the temperature sensors of a pulse-controlled inverter
05/28/2009WO2009065540A2 Fan arrangement in which the consumed electric power is influenced
05/28/2009US20090134829 Wizard For Configuring A Motor Drive System
05/28/2009DE102008046245A1 Temperaturverwaltung eines Wechselrichtermoduls Temperature management of an inverter module
05/22/2009WO2009063772A1 Electrically driven power steering device
05/20/2009DE102008057871A1 Lüfteranordnung mit Beeinflussung der aufgenommenen elektrischen Leistung Fan assembly with influencing the electrical power consumed
05/20/2009DE102007055188A1 Schaltungsanordnung zur Steuerung elektromagnetischer Klappen und Klappeneinrichtung mit steuerbarer Klappe Circuitry for controlling electromagnetic valves and gate device with controllable valve
05/20/2009DE102007053755A1 Rotor temperature monitoring process for electrical machine involves detecting temperature, altering winding setting and detecting stand current
05/20/2009DE102007053117A1 Antrieb für einen beweglichen Teil in einem Fahrzeug, wie einer verfahrbaren Kamera Drive for a moving part in a vehicle, such as a movable camera
05/20/2009CN101436845A Motor driving system
05/20/2009CN100489338C Gear drive controller, gear drive control method, turning operation controller, and construction machine
05/14/2009WO2009061178A1 Bicycle apparatus with controllable load
05/14/2009US20090121666 Frequency converter, motor, motor drive system and maintenance method for motor drive system
05/14/2009DE112005001213T5 Hilfsbus-System Auxiliary bus system
05/14/2009DE102007054421A1 Elektromotorische Antriebsanordnung Electric motor drive assembly
05/13/2009EP2058940A1 Ac motor vector control apparatus
05/13/2009CN100487999C Device for preventing bearing of electric machine from damage by harmful electric current
05/12/2009US7532951 Method of automatically setting vibration suppression filter
05/06/2009EP2056446A1 Drive device, travel device, and drive device control method
05/06/2009CN101427456A Control system for an electric motor
05/05/2009US7528583 Brushless generator
05/05/2009US7528559 Synchronous motor field loss recovery
04/2009
04/30/2009WO2009054239A1 Rotary machine control device
04/30/2009US20090108790 Control structure of an electric fan
04/30/2009DE102008042589A1 Gangschaltungsvorrichtung und Gangschaltungsverfahren Gear shifting device and gear shift method
04/29/2009EP2053245A1 A surface motor direct-drive sucker-rod screw pump device
04/29/2009CN100483916C Electric load device, abnormally handling method, and computer-readable recordinging medium storing therein program for causing computer to execute electric load abnormality handling
04/23/2009DE112007001271T5 Servoregelvorrichtung Servo control device
04/22/2009EP2051019A2 Motor controller of air conditioner and method of the motor controller
04/22/2009CN101414803A Method and apparatus for recognizing multi-speed motor gear based on voltage mutual inductance technology
04/16/2009DE102008046240A1 Verfahren und Vorrichtung zur Drehmomentüberwachung eines Elektromotors Method and apparatus for monitoring the torque of an electric motor
04/15/2009EP2048774A2 Rotary electric system with star-connected multiphase stator windings
04/15/2009EP2048773A2 Frequency converter
04/15/2009CN101409529A Motor drive device provided with disturbance load torque observer
04/15/2009CN101409528A Motor speed control circuit
04/09/2009US20090091866 Shift switching device and shift switching method
04/08/2009EP1277107A4 Damping of voltage-controlled brushless motors for electric power steering systems
04/08/2009CN101405922A Transverse flux machine, and rotary engine comprising such a transverse flux machine
04/08/2009CN100477479C Motor controller
04/08/2009CN100477467C Motor controller
04/07/2009US7514891 Method and arrangement for monitoring a power output stage
04/07/2009US7514889 Steering controlling device
04/02/2009WO2009040280A1 Method and device for controlling an electric motor
04/02/2009DE102008045529A1 Bekleidungsbehandlungsmaschine und Verfahren zum Steuern derselben Laundry machine and method for controlling the same
04/02/2009DE102007046617A1 Electric motor monitoring method, involves disconnecting one of two brake pads or component of electric motor upon reaching threshold temperature and in case of insufficient or complete absence of ventilations of brake pads
04/02/2009DE102007043872A1 Speed controllable drive arrangement for machine tool structure, has temperature sensors providing temperature signals to multiplexer that provides signals to frequency converter over pins of signal plug connectors provided for temperature
04/02/2009DE102005009601B4 Antrieb und Verfahren zur Überwachung dieses Antriebs Drive and procedures for monitoring this drive
04/01/2009EP2043257A2 Overload control of an electric power generation system
04/01/2009EP2043255A2 System and method for controlling torque ripples in synchronous machines
04/01/2009EP2041855A2 Electric motors
03/2009
03/31/2009US7511450 Frequency converter, motor, motor drive system and maintenance method for motor drive system
03/25/2009EP2040360A1 Method and device for controlling an electric motor
03/25/2009EP2040349A2 Adjustable speed drive protection
03/25/2009CN101394138A Motor
03/19/2009WO2009007671A3 A synchronous electrical machine
03/19/2009US20090072770 Power inverter module thermal management
03/19/2009DE102008045531A1 Bekleidungsbehandlungsmaschine und Verfahren zum Steuern dieser Bekleidungsbehandlungsmaschine Laundry machine and method for controlling the laundry machine
03/17/2009US7504791 Electric power tool with optimized operating range
03/12/2009WO2009032365A1 Motor controller with hall sensor misalignment compensation
03/12/2009WO2009013669A3 Power supply unit for a home automation actuator and method of operation of said unit
03/12/2009US20090066284 Laundry treatment machine and method of controlling the same
03/12/2009US20090064722 Laundry treatment machine and method of controlling motor of laundry treatment machine
03/11/2009EP2034603A1 Control device and control method of boost converter
03/11/2009CN101384503A Device for preventing sway of suspended load
03/11/2009CN100467249C Mixed power supply type injection moulding machine system
03/10/2009US7501783 Method of automatically setting vibration suppression filter and automatic setting apparatus for vibration suppression filter
03/05/2009WO2009028735A1 Steering device
03/05/2009US20090058208 Electric motor and an actuator having the same
03/04/2009EP2031753A2 Junction temperature reduction of a power semiconductor module in a three phase inverter
03/04/2009CN201201571Y Motor controller recognizing user identity by remote controller address code
03/04/2009CN101379692A Electric motor drive apparatus, hybrid vehicle with the same and stop control method of electric power converting device
03/04/2009CN101379691A Systems and methods of monitoring a motor load
03/04/2009CN100466451C Motor control circuit of waste paper destroying machine
03/04/2009CN100466447C power-converting device, motor and motor drive system
02/2009
02/26/2009WO2009025132A1 Motor controller and its inertia moment identifying method
02/26/2009WO2009024090A1 Integrated motor controller with direct networking capability
02/26/2009DE102008038621A1 Use of system for monitoring transmission, using sensor determining slip value of motor, and evaluation unit determining value for load from slip value, where value for wear or ageing of transmission is determined from slip value
02/26/2009DE102007040423A1 Inverter-fed electric motor operating method, involves determining current temperature and/or prognosticated temperature of field coil only from computational model when motor is operated as generator
02/25/2009EP2028759A2 Method and apparatus for controlling electric motor
02/25/2009EP2027646A1 Driving with inverters with low switching losses
02/25/2009EP2007006A9 Inverter device and air conditioner
02/24/2009US7496415 Digital servo control unit and laser machining apparatus
02/19/2009DE102007036668A1 Schaltungsanordnung zur Überwachung einer Tachoeinrichtung für einen Antriebsmotor einer Trommel einer Waschmaschine Circuit arrangement for monitoring a tachometer device for a drive motor of a drum of a washing machine
02/18/2009EP2026459A2 Generating system with a regulated permanent magnet machine
02/18/2009CN101369800A Motor control apparatus
02/12/2009WO2009019953A1 Motor control device and gain adjustment method thereof
02/12/2009US20090042688 Control apparatus of electric motor
02/12/2009DE112006003785T5 Verfahren zum Unterdrücken von Variation der Drehzahl eines Aktuators A method for suppressing variation of the speed of an actuator
02/11/2009EP2023478A2 Control apparatus of electric motor
02/11/2009EP1486398B1 Electric power steering device control apparatus
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