Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils › H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors
Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779)
11/1999
11/17/1999CN1235406A Torque amplification for ice breaking in electric torque motor
11/16/1999US5986424 Control system and control method
11/12/1999CA2272022A1 Torque amplification for ice breaking in an electric torque motor
11/11/1999WO1999057802A2 Device for regulating rotational speed
11/11/1999DE19819956A1 Vorrichtung zur Drehzahlregelung Device for speed control
11/10/1999EP0847490B1 Drive system
11/10/1999CN1234640A Electronic device for stimulating temp. rise in electric motor
11/09/1999US5982137 Controller for electric power steering system
11/04/1999WO1999056185A1 Controller and control method
11/03/1999EP0847489B1 System for actively reducing rotational non-uniformity of a shaft, in particular the drive shaft of an internal-combustion engine, and method of operating the system
11/03/1999EP0847488B1 Drive system, in particular a drive system for a motor vehicle
11/03/1999EP0847487B1 Drive system with a drive engine, an electrical machine and a battery
10/1999
10/27/1999EP0952764A2 A resistor for a servo amplifier and servo amplifier provided thereof
10/26/1999US5973467 Velocity control device using servo motor
10/20/1999EP0951208A2 Servo amplifier unit
10/20/1999CN1045802C 缝纫机 Sewing
10/07/1999WO1999050944A1 Maintaining, positioning or clamping device
10/06/1999EP0948124A1 Motor controller
10/06/1999EP0947374A2 Current supply controller for an electric motor
10/05/1999US5963390 For controlling a rotatable body
10/05/1999US5963001 Circuit arrangement and method for operating an adjusting device
09/1999
09/29/1999CN1229761A Automatic calibration of current regulator control compensation for elevator motor drive with locked rotor
09/28/1999US5959419 Energization controller of electric motor
09/22/1999EP0943527A2 An electric assist steering system having an improved motor current controller with notch filter
09/14/1999US5951616 Current control system for linear solenoid
09/10/1999WO1999045629A1 Surge suppressor
08/1999
08/26/1999DE19907757A1 Speed controller for motor with resilient shaft connection to load
08/24/1999US5942868 Speed and phase controller for motor and video cassette recorder having same
08/18/1999EP0936730A2 Self-commissioning controller for a field-oriented elevator motor/drive system
08/18/1999EP0935834A2 System and related methods for detecting and measuring the operational parameters of a garage door
08/17/1999US5939905 For detecting when a control loop loses control
08/12/1999WO1999040334A1 Method and device for controlling systems which have winding for carrying power and winding for drive in electrical machines with magnetic bearing assembly, and an electric drive
08/11/1999EP0935335A1 Position controller
08/10/1999US5936820 Overheating protection system of switching module
08/10/1999US5936369 Method of estimating disturbance load on servomotor
08/05/1999WO1998035424A8 Electric motor with an upstream frequency converter
08/04/1999EP0933868A1 Controller and control method for pressing by servo motor
08/03/1999US5932980 Driven by an electric motor
08/03/1999US5931256 For a vehicle
07/1999
07/27/1999US5929608 Control system for hybrid vehicle
07/27/1999US5929587 Method and apparatus for controlling servomotor in two inertial systems
07/27/1999US5929580 Internal entrapment system
07/27/1999US5929578 Control process in a motor driving control unit
07/27/1999US5929400 Self commissioning controller for field-oriented elevator motor/drive system
07/21/1999CN1223498A Motor drive system controlled by phase accumulator and method therefor
07/20/1999US5926000 Apparatus for obtaining three-phase position detection signals by means of two coils
07/14/1999EP0847486B1 Drive system, particularly for a motor vehicle
07/13/1999US5923135 Control apparatus and method for motor to prevent motor drive circuit from being overloaded
07/07/1999CN1222006A Self-commissioning controller for field-oriented elevator motor/drive system
07/07/1999CN1222004A Motor rotation control device for optical disk player
07/06/1999US5920169 For a circular interpolation feed motion
07/06/1999US5920163 Phase detecting circuit of brushless motor and magnetic recording and reproducing apparatus using the same
07/01/1999DE19859227A1 Rotation speed detector to determine rpm of vehicle wheel driven by electric motor
06/1999
06/30/1999EP0926794A1 Electronic device for modelling the temperature of a motor
06/29/1999US5917299 Motor drive control device
06/23/1999EP0924850A2 Automatic calibration of current regulator control compensation for an elevator motor drive with locked rotor
06/22/1999US5914577 Power train partition for 10 horsepower motor controller
06/15/1999US5912538 Torque amplification for ice breaking in an electric torque motor
06/08/1999US5910718 Motor control apparatus
06/03/1999WO1999027426A1 Process and drive for torque-controlled driving of a machine
05/1999
05/25/1999US5907859 Storage device in which read/write operation is controlled in response to source voltage
05/19/1999EP0916040A1 Electric machine in a driving train, for example of a motor vehicle, and process for driving the same
05/19/1999EP0916026A1 Process for regulating a unit or a frequency converter
05/12/1999EP0820657A4 Switch mode sine wave driver for polyphase brushless permanent magnet motor
05/12/1999DE19809511A1 Electrical steering servo
05/12/1999CN1043395C Method and apparatus for controlling single phase induction motor
05/06/1999WO1999022441A1 Motor speed controller and gain setting method of the controller
05/06/1999WO1999007971A3 System and related methods for detecting and measuring the operational parameters of a garage door
05/06/1999EP0913923A2 Servo-motor driving method
05/06/1999EP0913027A1 Method for commutating a brushless motor and power supply for a brushless motor
05/06/1999DE19844956A1 Fault diagnosis circuit for a bridge circuit
05/04/1999US5900706 Motor drive control apparatus
04/1999
04/21/1999CN1214313A Moped bicycle
04/20/1999US5896353 Servo control apparatus for controlling position of device
04/14/1999EP0909016A2 Servo-motor driving method
04/14/1999EP0909015A2 Servo-motor driving method
04/14/1999CN1213888A Fault diagnosis circuit
04/13/1999US5893895 Control system for hybrid vehicle
03/1999
03/31/1999CN1212329A Mixed type vehicula motor controller
03/24/1999EP0902918A1 Motor-regulating device and method
03/23/1999US5886491 Position control unit for electric motor
03/17/1999EP0901931A2 Motor controlling apparatus for a hybrid car
03/17/1999CN1042519C Device for controlling of elevator
03/09/1999US5880573 Low-cost phase-lock motor control method and architecture
03/09/1999US5880566 Absolute angular position calculation apparatus for a rotating motor and velocity control apparatus adopting the same
03/09/1999US5880416 Automatic calibration of motor speed loop gain for an elevator motor control
03/09/1999US5880415 Automatic calibration of current regulator control compensation for an elevator motor drive with locked rotor
03/03/1999CN1042383C Electric Motor with torque detecting circuit
02/1999
02/25/1999DE19801982A1 Servo-assisted steering for vehicle includes circuit to introduce alternating jitter signal to overcome static friction in steering linkage
02/18/1999WO1999007971A2 System and related methods for detecting and measuring the operational parameters of a garage door
01/1999
01/27/1999EP0893877A2 Motor drive system controlled by a phase accumulator and method therefor
01/14/1999WO1999001927A1 Position controller
01/13/1999EP0890374A1 Exercise apparatus
01/13/1999EP0890211A1 Process for detecting abutment and blocking in an electric motor
01/13/1999EP0803968B1 Motor speed controller
01/12/1999US5859510 Commutation board for brushless motor
01/12/1999US5859373 Apparatus and process for determining the instantaneous and continuous loads on a lifting mechanism
01/05/1999US5856736 Variable speed AC motor drive for treadmill
01/05/1999US5855120 Method and apparatus for driving pump motor for refrigerator dispenser
12/1998
12/30/1998EP0887916A2 Energization controller of electric motor
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