Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779)
11/2004
11/16/2004US6819076 Active EMI filter with magnetoresistive sensor for common mode noise current
11/16/2004US6819074 Apparatus and method of controlling a driving speed of a motor
11/16/2004US6819069 Arrangement with an electric motor
11/11/2004US20040223271 Auto-protected power modules and methods
11/11/2004US20040222037 Electric power steering control system
11/11/2004DE10318878A1 Emergency control of multiple electric vehicle cooling blower drives, involves operating intact drive in unclocked, 100 per cent mode, re-starting failed drive, and operating drives with desired values
11/10/2004EP1475884A2 Auto-protected power modules and methods
11/04/2004US20040218320 Motor control circuit overcurrent protection
11/04/2004US20040217721 Generic motor control system and method
11/04/2004DE10314724A1 Verfahren zum Vermindern des Polygoneffekts bei einem Kettentrieb, insbesondere bei einem Kettenzug, und Kettentrieb hierfür A method for reducing the polygon effect in a chain drive, especially in a chain hoist and chain drive for this
11/03/2004EP1473825A2 Generic AC motor control system
11/03/2004CN1543055A Generic AC motor control system
11/03/2004CN1542744A Method and apparatus for head positioning with disturbance compensation in a disk drive
11/02/2004US6812666 Current sense IC with circuitry for eliminating ripple current error from motor current measurement
10/2004
10/28/2004WO2004018868A3 Control device for a reversible rotating electrical machine
10/28/2004US20040213100 Method and apparatus for head positioning with disturbance compensation in a disk drive
10/26/2004US6809493 Servo controller
10/26/2004US6807928 Control device for a control motor of an internal combustion engine
10/21/2004US20040210415 Angle or position detecting apparatus, method thereof, servo apparatus, and servo method, and motor
10/21/2004US20040210408 Magnetic field analysis method and programs for rotating machines
10/21/2004US20040210352 Method for optimising the desing of motor drive sections
10/21/2004US20040207358 Control method and control device of permanent-magnet type synchronous motor
10/20/2004EP0847487B2 Drive system with a drive engine, an electrical machine and a battery
10/20/2004CN1538584A Motor control equipment
10/19/2004US6806669 Motor overload coil control
10/19/2004US6806660 Motor controlling serial communication device and motor driver
10/19/2004US6805426 Motor control method and apparatus
10/14/2004DE10313520A1 Verfahren und Steuerschaltung zum Feststellen eines Betriebszustandes bei der Ansteuerung eines Lüftermotors Method and control circuit for detecting an operating condition when driving a fan motor
10/13/2004CN1536118A Sewing machine and recording medium recorded with pulse electric machine control program
10/13/2004CN1171115C Method of controlling preheating power and mechanism of providing preheating
10/12/2004US6804130 Inverter device and current limiting method therefor
10/07/2004WO2004086601A1 Method and control circuit for determining an operating state when controlling a fan motor
10/07/2004US20040195990 Robust current loop controller for servo system
10/06/2004EP1464611A2 Process for stilling the motion of a link chain of a chain hoist, in particular for preventing the emergence of a resonant vibration of the link chain, and chain hoist therefor
10/05/2004US6801020 Current response controller for starter/alternator
10/05/2004US6801009 Current limitation process of brush and brushless DC motors during severe voltage changes
09/2004
09/30/2004US20040189318 Fault detection apparatus of direct-current motor drive bridge circuit
09/30/2004US20040189231 Methods and apparatus for maintaining synchronization of a polyphase motor during power interruptions
09/30/2004US20040189224 Operating procedure and cooling system mechanism for the motor of an electric powered tool
09/30/2004US20040189115 Device for protection of the bearing of an electrical machine against damaging passage of current
09/30/2004DE19704226B4 Klemmdeckelumrichter Klemmdeckelumrichter
09/30/2004DE102004012886A1 Motorsteuervorrichtung The motor control apparatus
09/29/2004EP1462337A1 Fault detection apparatus of direct-current motor drive bridge circuit
09/23/2004WO2004082114A1 Motor controller
09/23/2004US20040184860 Carriage driving apparatus and motor control method
09/23/2004US20040184206 Motor control apparatus
09/23/2004US20040183494 Servo controller
09/22/2004EP1459437A1 Method and circuit arrangement for protecting an electric motor from an overload
09/22/2004CN1531158A Device for preventing bearing of electric machine from damage by harmful electric current
09/21/2004US6795762 Steering apparatus controller for electric power steering apparatus
09/16/2004US20040179831 Motor controller and method for measuring characteristics of mechanism
09/16/2004US20040179829 Amperage control for protection of battery over current in power tools
09/15/2004CN1529932A Electric motor control device
09/15/2004CN1529675A Method for correcting speed feedback in permanent magnet motor
09/14/2004US6792338 System and method for actively limiting the power drawn from a power distribution bus
09/10/2004WO2004077179A1 Servo control device
09/10/2004WO2004076260A1 Method of controlling motor thermal protection for an electric power steering system of a motor vehicle
09/09/2004US20040174128 Circuit using current limiting to reduce power consumption of actuator with DC brush motor
09/09/2004US20040174124 Motor control method and system for parallel hybrid electric vehicle
09/09/2004DE19920975B4 Elektrisches Servolenksystem An electric power assisted steering system
09/09/2004DE10355269A1 Stromreaktionssteuerung bzw. -regelung für einen Anlasser/eine Lichtmaschine Current response control or regulation for a starter / alternator a
09/07/2004US6789023 Method of instant estimation of a load motor inertia
09/07/2004US6788014 Drive control system for a multiphase motor powered by a power converter
09/02/2004US20040172159 ID information managing system and apparatus with ID information managing system
09/02/2004US20040169968 Method and circuit arrangement for protecting an electric motor from an overload
09/02/2004US20040169423 Electric motor-driven adjustment drive
09/01/2004CN1526194A Motor controller
08/2004
08/31/2004US6785208 Reproducer for disc-shape storage medium
08/26/2004DE102004007425A1 Steuereinheit zur elektrisch unterstützten Lenkung Control unit for electric power steering
08/25/2004CN1523725A Over current protective amperage control for battery of electric tool
08/25/2004CN1523465A Servocontrol device
08/24/2004US6781340 Method for detecting oscillation criticality of servo control system
08/24/2004US6779981 Fan control system using a microcontroller
08/24/2004US6779626 Electric power steering device
08/19/2004WO2004070402A1 Harmonic diagnosing method for electric facility
08/19/2004US20040162696 Method and system for detecting incipient failures in a traction system
08/19/2004US20040162655 Velocity compensation control for electric steering systems
08/19/2004US20040162040 Device for radio-frequency controlled drive
08/19/2004US20040159489 Control unit for electric power steering
08/17/2004US6777907 Current ripple reduction by harmonic current regulation
08/17/2004US6777898 Methods and apparatus for maintaining synchronization of a polyphase motor during power interruptions
08/12/2004WO2004068693A2 Brushless and sensorless dc motor control system with locked and stopped rotor detection
08/12/2004WO2004068076A1 Servo drive and encoder signal processing ic
08/12/2004US20040158425 Method and device for controlling angular speed of an electromechanical chain with low damping
08/12/2004US20040155619 Regulating device for a motor
08/12/2004CA2513550A1 Brushless and sensorless dc motor control system with locked and stopped rotor detection
08/11/2004EP1445850A1 Arrangement for protecting the bearing of an electrical machine against demaging shaft current
08/11/2004EP1444773A1 Current ripple reduction by harmonic current regulation
08/11/2004CN1520022A Rotational speed controller
08/10/2004US6774601 System and method for predicting mechanical failures in machinery driven by an induction motor
08/05/2004US20040152561 Drive control
08/04/2004CN1518686A Method and device for controlling angular speed of electromechanical chain with low damping
08/04/2004CN1160604C Position control equipment
07/2004
07/29/2004WO2004064239A1 Multi-axis motor control device resonance frequency detection device
07/29/2004US20040148110 Method of instant estimation of a load motor inertia
07/29/2004US20040145335 Method for correcting speed feedback in a permanent-magnet motor
07/29/2004US20040145331 Method for electronic regulation of an electric motor
07/29/2004DE10358055A1 Drehzahlsteuerung für Elektrowerkzeuge Speed ​​control for power tools
07/28/2004EP1440504A1 Circuit for operating an electric motor
07/27/2004US6768977 Method and circuit for modeling a voice coil actuator of a mass data storage device
1 ... 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 ... 58