Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779)
02/2009
02/11/2009CN101366168A Method and apparatus for quiet variable motor speed control
02/11/2009CN101362428A Control apparatus of electric motor
02/05/2009WO2009016884A1 Running driver of working vehicle
02/05/2009DE102007036558A1 Information transmission method for e.g. three phase motor, involves modulating information by pulsing load impedance, and separating load impedance from one of electrical connection lines by electronic switch
02/05/2009DE10161032B4 Steuerungs/Regelungs-Vorrichtung zum Steuern/Regeln eines elektrischen Servo-Lenkmechanismus Control / control device for controlling / regulating an electric power steering mechanism
02/04/2009EP2020722A2 Device and method for operating an electricity meter
02/04/2009EP2020721A2 Switching assembly for monitoring a tachometer for a drive motor of a drum of a washing machine
02/04/2009EP2019978A2 Automating tuning of a closed loop controller
02/04/2009CN101359895A Motor drive system
02/04/2009CN101359894A Maintenance method for motor drive system
02/04/2009CN101359880A Power converter
02/04/2009CN100459410C Control system, observer and control method of induction motor without speed sensor
01/2009
01/29/2009WO2009013669A2 Power supply unit for a home automation actuator and method of operation of said unit
01/28/2009EP2018995A1 Electric car control apparatus
01/28/2009CN100456591C Low current electric motor protector
01/28/2009CN100456193C Motor control device
01/22/2009DE10162196B4 Positions- und Abnormitätserfassungsvorrichtung Position and Abnormitätserfassungsvorrichtung
01/21/2009EP2017955A2 Motor control apparatus
01/21/2009EP2017951A2 Restart control of an A.C. motor drive
01/21/2009CN101351955A Speed controller for portable electric cutting tool
01/20/2009US7479757 System and method for a cooling system
01/15/2009WO2009009232A2 System and method for determining stator winding resistance in an ac motor
01/15/2009WO2009007681A2 Electric motor control
01/15/2009WO2009007671A2 A synchronous electrical machine
01/15/2009DE10066381B4 Verfahren zur Berechnung der Parameter eines Induktionsmotors A method for calculating the parameters of an induction motor
01/15/2009CA2689531A1 System and method for determining stator winding resistance in an ac motor
01/14/2009EP2015445A2 Motor controller and electric power steering apparatus
01/08/2009DE102007030714A1 Verfahren für die Überwachung eines Kraftfahrzeugenergieversorgungssystems Method for monitoring a motor vehicle power supply system
01/07/2009EP2012426A2 Inverter drive and heat pump water heater
01/07/2009EP2011226A1 Motor control device, motored vehicle equipped therewith, and method of controlling a motor
01/07/2009CN101341641A Motor control circuit with malfunction monitoring
01/07/2009CN101340175A Fan motor speed control circuit, fan apparatus, and electronic apparatus
01/02/2009DE102008026759A1 Ölpumpensysteme und Verfahren zum Verhindern einer Drehmomentüberlastung in Motoren von Ölpumpensystemen Oil pumping systems and methods for preventing a torque overload in engines oil pump systems
12/2008
12/31/2008WO2009001584A1 Controller of electric vehicle
12/31/2008EP2008358A1 Control system for an electric motor
12/24/2008EP2007006A2 Inverter device and air conditioner
12/24/2008EP2006545A1 Method for recording the temperature of the carrier liquid of a rotary pump
12/24/2008CN100446409C Actuator current control method
12/18/2008DE102007027481A1 Electric motor i.e. brushless direct current motor, controlling failure determining method, involves detecting that failure exists during controlling of electric motor, if measured voltage differs from supplied reference voltage
12/18/2008DE102007027187A1 Energieversorgungssystem für ein Kraftfahrzeug An energy supply system for a motor vehicle
12/18/2008DE102007026344A1 Korrekturverfahren für eine mikroprozessor-gesteuerte digitale Regelung Correction method for a microprocessor based digital control
12/17/2008EP2003770A2 Frequency inverter and method of operating an electric motor with such a frequency inverter
12/17/2008CN101325396A Motor controller
12/11/2008WO2008149638A1 Brushless motor
12/11/2008US20080303468 Correction method for microprocessor-controlled digital regulation
12/10/2008EP2001123A1 Method for operating a three-phase rotating electric machine and device for implementing the method
12/10/2008CN101322309A Motor load monitoring unit
12/10/2008CN100442652C Stepping motor control apparatus
12/10/2008CN100442622C Over current protective amperage control for battery of electric tool
12/10/2008CN100441867C Apparatus and method for controlling operation of compressor
12/04/2008WO2008146555A1 Fan motor device
12/04/2008US20080297085 Motor driver system and method for protecting motor driver
11/2008
11/27/2008DE202008010458U1 Vorrichtung zum Betreiben eines elektrischen Antriebs Device for operating an electric drive
11/27/2008DE10340400B4 Verfahren und Vorrichtung zur Dämpfung von niederfrequenten Lastschwingungen bei einem geregelten Antrieb Method and apparatus for damping low-frequency vibrations with a load-controlled drive
11/27/2008DE102007024634A1 Steuerung, Modul und Lüfteranordnung Control module and fan assembly
11/26/2008EP1995871A2 Method for operating an electrical circuit
11/26/2008EP1994631A2 Transverse flux machine, and rotary engine comprising such a transverse flux machine
11/26/2008CN100438323C Resistor for controlling fan motor rotational speed in air conditioning device
11/26/2008CN100438318C Methods and apparatus for fault-tolerant control of electric machines
11/20/2008WO2008139800A1 Device for selecting motor controller, method for selecting motor controller, computer program implementing that method, and its storage method
11/20/2008WO2008138864A1 Method and device for operating a control unit for controlling an electrical machine
11/20/2008WO2008138663A1 Method and device for limiting motor current
11/20/2008WO2008138454A2 Electric drive
11/20/2008US20080284363 Hybrid electric cleaning device
11/20/2008DE102008022497A1 Laststeuervorrichtung und zugehöriges Verfahren zur Verarbeitung eines Diagnosesignals Load control device and associated method for processing a diagnostic signal
11/20/2008DE102008018843A1 Elektronisch kommutierter Asynchronmotor Electronically commutated asynchronous motor
11/20/2008DE102007023082A1 Verfahren zur Prüfung eines Verriegelungszustands einer mechanischen Sperre eines Elektomotors Method for testing a locking state of a mechanical lock of a Elektomotors
11/20/2008DE102007021632A1 Elektrischer Antrieb Electric drive
11/20/2008CA2682980A1 Electric drive
11/18/2008CA2339933C Arrangement with an electric motor
11/13/2008WO2008135327A1 Error correction in an electrical machine of a hybrid drive
11/13/2008DE19927851B4 Verfahren zum Überwachen eines Drehwinkelaufnehmers an einer elektrischen Maschine Method for monitoring a rotational angle sensor to an electrical machine
11/13/2008DE102007022213A1 Verfahren und Vorrichtung zur Begrenzung des Motorstroms Method and device for limiting the motor current
11/12/2008EP1990910A1 Motor drive device, hybrid vehicle using the same, and electric power conversion device stop/control method
11/12/2008EP0948124B1 Motor controller
11/06/2008DE102007017285A1 Method for monitoring three-phase machine, involves supplying input parameters of converter unit, where one of these input parameters is commutating angle of three-phase machine to be operated
11/04/2008US7446989 Device for protection of the bearing of an electrical machine against damaging passage of current
10/2008
10/30/2008WO2008128893A2 Electric tool and device switch for an electric tool
10/30/2008DE102008000704A1 Elektrowerkzeug und Geräteschalter für ein Elektrowerkzeug Power tool and appliance switch for a power tool
10/29/2008EP1985523A2 Systems and methods for controlling torque of a motor
10/22/2008CN101292418A Motor control device, method and program storage medium
10/22/2008CN101291127A Inverter circuit and compressor
10/21/2008US7439700 Control system
10/16/2008DE112004000829B4 Fahrzeugantriebsmotor-Steuerungsvorrichtung Vehicle drive motor control device
10/16/2008DE102007017708A1 Electric motor arrangement i.e. compact servo actuator, has oscillation detection unit detecting oscillations of motor unit and outputting signal, where detection unit is arranged in such manner that signal is outputted to control unit
10/15/2008CN100426649C Inverter circuit and compressor
10/09/2008WO2008119477A2 Motor arrangement
10/09/2008US20080249691 Gear Drive Controller, Gear Drive Control Method, Turning Operation Controller, and Construction Machine
10/09/2008DE102008000139A1 Motorantriebsschaltung und Ventilsteuerzeiten-Steuerungssystem Motor drive circuit and valve timing control system
10/08/2008EP1271274B1 Servo controlling device and method
10/02/2008WO2008117744A1 Poly-phase load drive
10/02/2008WO2008117603A1 Motor controller and motor control method
10/02/2008WO2008117515A1 Motor control device, its control method, and motor device
10/02/2008US20080238200 Power Converter and Control Method For a Power Converter
10/02/2008DE102007015102A1 Motoranordnung Engine location
10/02/2008DE102007014346A1 Gerät mit elektromotorischem Antrieb und Verfahren zu seinem Betrieb Unit with electric motor drive and method for its operation
10/02/2008DE102007014345A1 Elektromechanisches System und Verfahren zum Betreiben eines elektromechanischen Systems An electro-mechanical system and method for operating an electromechanical system
10/01/2008EP1974459A2 Systems and methods of monitoring a motor load
10/01/2008CN101277093A Motor drive integrated circuit
10/01/2008CN101277092A Motor lock detection circuit
1 ... 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 ... 58