Patents
Patents for H02P 21 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation (7,114)
12/2001
12/12/2001EP1161790A1 Method for controlling an electrical machine and an inverter
12/12/2001CN1076142C Method for control speed of induction motor
12/11/2001US6329781 Control apparatus of synchronous motors
12/11/2001US6329776 Method and apparatus for switching an AC machine between a drive and a power supply
12/11/2001CA2100672C Variable speed wind turbine
12/06/2001US20010048283 Method and apparatus for controlling a synchronous motor
12/06/2001DE10060368A1 Verfahren zum Steuern eines Asynchronmotors und Gerät zum Ausführen desselben Of the same method for controlling an asynchronous motor and apparatus for performing
12/06/2001DE10055223A1 Method and device for detecting three-phase AC currents of two different frequencies uses two current detection sensors to detect multiple three-phase AC currents of different frequencies produced by coils in a dynamo machine
12/04/2001US6326762 Method of braking a vector controlled induction machine, control device for carrying out the method and storage medium
11/2001
11/28/2001EP1158658A2 Control device and method for a wide speed range induction machine based upon flux estimation performed by means of a Luenberger state observer
11/28/2001CN1075684C Speed-change controller forinduction motor
11/27/2001US6321606 Apparatus for calculating torque generated by induction motor
11/22/2001WO2001089076A1 Apparatus and method for optimally controlling flux in an ac motor
11/22/2001US20010043048 Speed sensorless vector control apparatus
11/21/2001CN1323461A Synchronous motor control device and method
11/21/2001CN1075281C Variable speed controller for AC motor
11/20/2001US6320349 Method of estimating field pole position of synchronous motor, motor controller, and electric vehicle
11/14/2001CN1322397A Method for controlling current-regulated motor
11/13/2001US6316905 Means and device for determining the angular velocity of a rotor of polyphase machine operated by field orientation without a transmitter
11/13/2001US6316904 Speed and rotor time constant estimation for torque control of an induction motor
11/06/2001US6313603 Method of regulating a rotary machine, and power supply circuit for such a machine
11/06/2001US6313599 Method for controlling an inverter
10/2001
10/31/2001CN1319947A Vector controller without speed sensor
10/25/2001DE10020136A1 Controlling and regulating drive without rotary sensor involves using revolution rate parameter generated from desired torque value instead of estimated revolution rate at low rates
10/24/2001CN1319275A Motor controller
10/24/2001CN1319179A Method and device for determining torque of induction machine
10/23/2001US6307759 Control device for electric power translating device
10/18/2001DE19951981A1 Driving controller for induction motor has observation devices that output deviation conditions based on which driving operation is controlled
10/16/2001US6304052 Control system for a permanent magnet motor
10/11/2001US20010028236 Speed control apparatus for synchronous reluctance motor
10/09/2001US6301136 Floating flame controller
10/09/2001US6300741 Speed controlling method for induction motor
10/04/2001US20010026140 Control apparatus of induction motor
10/04/2001DE10106404A1 Drehzahlregelungsvorrichtung für Synchronreluktanzmotor Speed ​​control device for synchronous reluctance
10/04/2001DE10014713A1 Verfahren zur Regelung eines Synchron- oder Asynchronmotors Method for controlling a synchronous or asynchronous motor
09/2001
09/27/2001US20010024100 Vector control method for synchronous reluctance motor
09/27/2001DE10011295A1 Selective elimination method for removing parasitic zero frequency values in voltage correction range of polyphase machines
09/26/2001EP1136921A1 Control method for a synchronous or asynchronous motor
09/26/2001CN1314745A Vector control method for synchronous magneto-resistance motor
09/26/2001CN1071955C Controller for motor
09/20/2001DE10111795A1 Vector control of reluctance synchronous motor involves using cosine, sine estimates for intermediate angle of angles of in-phase/out-of-phase flux vectors as vector rotator rotation signals
09/19/2001EP1134887A1 Frequency domain harmonic analysis methods and apparatus for electric machines
09/13/2001DE10111352A1 Vector controller without speed sensor has current/flux processor, coordinate conversion arrangements, inverter for driving AC motor and motor speed estimation arrangement
09/12/2001EP1133050A2 Method of estimating a rotor position of synchronous motor, method of controlling synchronous motor with no position sensor and a controller of synchronous motor
09/12/2001CN1071068C Method for filed-oriented control of induction motor
09/11/2001US6288515 System and method for controlling a surface-mounted permanent magnet synchronous machine drive over a wide speed range using a reference voltage
09/06/2001US20010019251 Motor control device
09/05/2001EP1130759A1 Motor controller
08/2001
08/30/2001US20010017529 Starting of synchronous machine without rotor position or speed measurement
08/29/2001EP1128545A2 Speed controlling method for induction motor
08/29/2001EP1128543A2 Synchronous motor-control apparatus and vehicle using the control apparatus
08/28/2001US6281659 Induction motor drive and a parameter estimation method thereof
08/16/2001EP1124323A2 Vector control for induction motor with slip control
08/14/2001US6275000 Method of controlling an induction motor and apparatus for carrying out the same
08/01/2001EP1120898A2 Method for controlling an inverter
07/2001
07/25/2001CN1305658A Method of minimizing errors in rotor angle estimate in synchronous machine
07/19/2001US20010008371 Method for controlling an inverter
07/18/2001EP1116014A1 Method and device for determining the torque of an induction machine
07/12/2001DE19962690A1 Field-oriented regulation method for electrical drive
07/11/2001EP1115196A2 Motor control device
07/05/2001US20010006335 Control device for alternating current motor
07/05/2001DE10065190A1 Motorsteuervorrichtung für ein elektrisches Servolenkungssystem Motor control apparatus for an electric power steering system
07/03/2001US6255798 Control apparatus for electric vehicle
06/2001
06/28/2001US20010005121 Motor controller for electric power steering system
06/27/2001EP1110301A1 Method for controlling a current-regulated motor
06/26/2001US6252367 Servo controller
06/20/2001EP1109308A2 Brushless machine control
06/13/2001EP1107448A2 Motor control device
06/13/2001CN1299184A Vector controller for induction motor
06/07/2001WO2001041292A1 Method and apparatus for switching an ac machine between a drive and a power supply
06/07/2001US20010002784 Motor control device
06/05/2001US6242885 Method for estimating induced electromotive force and speed of induction motor, method for correcting misalignment of shaft thereof, and induction motor controller
06/05/2001US6242884 Dual stator winding induction machine drive
06/05/2001US6242882 Motor control apparatus
05/2001
05/29/2001US6239574 Minimum energy regulation system for an asynchronous motor by field oriented control
05/23/2001CN1066297C Vector control method for motor and vector control veverse transformation device
05/17/2001DE19833953C2 Verfahren zum Optimieren des Energieverbrauchs von dauermagneterregten Synchronmotoren im Teillastbereich und entsprechende Regelungsvorrichtung A method for optimizing the energy consumption of permanent magnet synchronous motors at partial load and corresponding control device
05/16/2001EP1100191A2 Inverter control apparatus and method for controlling an inverter
05/16/2001CN1065994C Control device for permanent magnet type synchro motor
05/16/2001CN1065993C Power-supply switching-over system
05/09/2001CN1294447A control system of induction motor
05/09/2001CN1065691C Variable-speed control method and appts. for AC motor
05/08/2001US6229719 Method of inverter control and apparatus of the same
05/01/2001US6225774 Motor control method and motor control system
04/2001
04/24/2001US6222335 Method of controlling a voltage-fed induction machine
04/24/2001US6222334 Regenerative braking system
04/18/2001CN1292167A Motor controller
04/18/2001CN1064790C Vector control method and vector control inverter of motor
04/11/2001EP1089895A1 Method for regulating an electrical motor
04/11/2001CN1064488C Current sensing circuit for pulse width modulated motor drive
04/10/2001US6215260 Controlling movement of linear induction motor
04/03/2001US6211634 Method and apparatus for initialization and operation of field-commutated motors and machines incorporating field-commutated motors
04/03/2001US6211593 Synchronous motor with permanent magnet provided on magnetic pole end
03/2001
03/29/2001WO2001022570A1 Method of controlling ac motor and controller
03/29/2001WO2001022568A1 Initial magnetic pole estimating device for ac synchronous motor
03/28/2001EP1086525A1 Method of minimizing errors in rotor angle estimate in synchronous machine
03/28/2001CN1063886C Method and apparatus for controlling motor
03/27/2001CA2179776C Method and apparatus for transducerless flux, position and velocity estimation in drives for ac machines
03/22/2001WO2001020767A1 Low ripple permanent magnet motor control
03/22/2001WO2001020761A1 Method and system for controlling torque in permanent magnet brushless electric motors
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