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)
02/1997
02/27/1997WO1997007590A1 Mechanical vibration detector and vibration damping controller
02/19/1997CN1143276A Circuit unit for charging capacitor
02/11/1997US5602708 Process and device for electronically monitoring the overload on electric motor drives
02/05/1997EP0756779A1 Device for converting a resistance value into a control signal which depends on the resistance value, and electrical apparatus comprising such a device
01/1997
01/30/1997WO1997003386A1 Vibration damping device
01/28/1997US5598077 Control apparatus and a control method for a servomotor
01/16/1997WO1997001805A1 Acceleration/deceleration control method for servomotor
01/15/1997EP0753922A2 Circuit for charging a capacitor
01/08/1997EP0752754A1 Method for controlling velocity of rotary motor and apparatus therefor
01/02/1997DE19619971A1 Automobile sliding sun-roof panel or window control with incremental position-finding
12/1996
12/24/1996US5587635 Robot control apparatus for monitoring load on robot
12/18/1996EP0749201A1 Shielded contacting device
12/17/1996US5585701 Current mirror circuit constituted by FET (field effect transistor) and control system using the same
12/04/1996EP0746090A2 Method for rotor position detection for a revolving cylinder motor or a linear motor
11/1996
11/27/1996CN1136610A Sewing machine
11/12/1996US5574350 Motor-operated adjusting device for machines
11/06/1996EP0741450A1 Sensorless motor speed controller
10/1996
10/29/1996CA2094552C Method for determining motor speed
10/24/1996WO1996033549A1 Method and apparatus for detecting runaway of motor
10/22/1996CA2052588C Method and apparatus for controlling the speed of a motor
10/17/1996DE19511591A1 Determining load of forklift truck and stacking vehicle
10/16/1996EP0737607A1 Vehicle windscreen wiper motor control circuit
10/09/1996EP0736234A1 Method and apparatus for transducerless flux, position and velocity estimation in drives for ac machines
10/03/1996WO1996030995A1 Variable speed ac motor drive for treadmill
10/02/1996EP0735664A2 Angle control system for a switched reluctance drive utilizing a high frequency clock
10/02/1996EP0647371B1 Circuit arrangement for mitigating power switch capacitance
10/02/1996CN1132575A Electric motor with torque detecting means
09/1996
09/29/1996CA2172667A1 Angle controller for a switched reluctance drive utilizing a high frequency clock
09/25/1996EP0660972B1 Process and device for electronically monitoring the overload on electric motor drives
09/24/1996US5559419 Motor drive system
09/18/1996EP0732253A2 Hydraulic power steering apparatus
09/04/1996EP0587849B1 Thermal protection for locomotive main traction alternators
08/1996
08/22/1996WO1996025788A1 Device for converting a resistance value into a control signal which depends on the resistance value, and electrical apparatus comprising such a device
08/20/1996US5548679 Digital PLL system
08/20/1996US5548455 Motor control apparatus using speed and phase control in a first loop and phase control in a second loop series with the first loop
08/20/1996US5547296 Method of controlling a printhead carriage velocity of a serial printer
08/14/1996EP0726645A2 Control method and apparatus for AC motor
08/13/1996US5546014 Method and device for setting the short circuit moment in electric motors, particularly in servomotors
08/13/1996US5545957 Motor speed controller for suppressing shaft torsion vibration
08/08/1996DE19502306A1 Control of permanent magnet type electronically commutated DC motor for driving motor vehicle control actuators
07/1996
07/17/1996EP0721695A1 Electric motor with torque detecting means
07/11/1996DE19501137A1 Ice cream dispenser control to give constant consistency independent of e.g. temp.
07/02/1996US5533166 Method for calculating speed estimated value in speed control system
06/1996
06/27/1996WO1996019858A1 Circuit and process for operating an adjusting drive
06/27/1996WO1996019857A1 Circuit for detecting overload in an adjusting drive
06/20/1996DE4445106A1 Schaltungsanordnung zum Detektieren eines Überlastzustands in einem Verstellantrieb Circuit arrangement for detecting an overload condition in an adjusting
06/20/1996DE4444762A1 Schaltungsanordnung und Verfahren zum Betreiben eines Verstellantriebs Circuit arrangement and method for operating an adjusting drive
06/19/1996EP0716781A1 Device for operating a power consumer in a vehicle
06/11/1996US5525877 Motor vibration control device and method for matching a motor speed detected value with a motor speed reference value
05/1996
05/30/1996WO1996015929A1 Method of detecting an inoperable pump motor in an anti-lock braking system
05/29/1996EP0591482B1 Arrangement for the transfer of control commands in an apparatus or a machine operated from the mains
05/28/1996US5521481 Speed estimation observer applied to speed control system for motor
05/15/1996DE19513939A1 Computer control equipment for motor vehicle
05/14/1996US5517100 Method of controlling a servo motor
05/01/1996EP0709952A1 Motor speed control apparatus
04/1996
04/23/1996US5510683 Motor speed control device
04/02/1996US5504405 Switch machine controller with fail safe mechanism
03/1996
03/12/1996US5499186 Three-phase power converter with fail soft characteristics
02/1996
02/27/1996US5494343 Method of detecting an inoperable pump motor in an anti-lock braking system
02/20/1996US5493267 Arrangement for the transfer of control commands in an apparatus or a machine operated from the mains
02/15/1996WO1996004708A1 Motor speed controller
02/06/1996US5489829 Parameter identifier
02/01/1996DE19527166A1 Servo-control device for controlling speed of tape drive motor of video tape recorder
01/1996
01/18/1996WO1996001522A1 Method for determining torque requirements
01/16/1996US5485491 Online diagnostic system for rotating electrical apparatus
01/16/1996US5484012 Electronic apparatus having cooling system
01/03/1996EP0690557A1 Fuzzy logic control process and device for induction motors
01/03/1996EP0689986A1 Control device of power steering motor capable of preventing motor-current-induced vibration and noise
01/02/1996US5481641 Motor control apparatus
12/1995
12/27/1995EP0689282A1 Motor servo system
12/19/1995US5477114 Method and system for estimating inertia of 2-mass system during speed control
12/19/1995US5476158 Rotor time constant adaptation for induction motor in vector controlled elevator drive
12/14/1995DE4419813A1 Vorrichtung zum Betreiben eines Elektromotors An apparatus for operating an electric motor
12/12/1995CA2098894C Method for checking brake torque
12/06/1995EP0685926A2 Method and device for controlling speed of a washing machine motor
12/05/1995CA2028776C Procedure and apparatus for the control of a hoisting motor
11/1995
11/29/1995EP0684692A2 Motor drive with programmable funtion switches
11/29/1995EP0684689A2 Method and device for controlling speed of a washing machine motor
11/29/1995EP0684334A2 Method and device for controlling speed of a washing machine motor
11/21/1995US5469215 Method and apparatus for controlling an electric motor with compensation or torque ripple
11/21/1995US5469038 Method for compensating for efficient variations in an electric motor
11/16/1995WO1995030521A1 Compensating for efficiency variations in electric motors
11/14/1995US5467001 Control method for an alternating current motor
11/02/1995EP0680138A2 A motor speed control apparatus
11/02/1995EP0374255B1 Method of controlling servo motor
10/1995
10/31/1995US5463293 Motor control device
10/31/1995CA1337493C Actuator two-fault tolerance apparatus
10/24/1995US5461531 Controller apparatus for electric vehicle
10/11/1995EP0676858A2 Optimization apparatus for speed control of a miniature electric motor for dental use
10/04/1995EP0675369A2 Online diagnostic system for rotating electrical apparatus
09/1995
09/28/1995DE4422386C1 Parameter-dependent resistance force control for hydraulic servo steering
09/27/1995CN1029824C Chlorine-resistant semipermeable membranes
09/13/1995CN1108324A Method and device for controlling speed of a washing machine motor
09/06/1995EP0670626A2 Method for calculating speed estimated value in speed control system
08/1995
08/29/1995US5446360 Method and apparatus for controlling single phase induction motor
08/22/1995US5444346 Control system for actuator applicable to servo system having low resolution sensor and in feedback control mode
08/15/1995US5442273 Drive control apparatus
08/15/1995US5442270 Adaptive sliding mode control method for object of control including spring system
08/09/1995EP0666642A1 Apparatus and method for controlling a servomotor
08/01/1995US5438601 Reference clock frequency divider
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