| 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) |
|---|
| 04/21/2004 | EP1410492A2 Sensorless determination of initial rotor position in a synchronous motor |
| 04/21/2004 | CN1491478A Method and device for determination of initial rotor position in synchronus motor by degree of Fe saturation |
| 04/20/2004 | US6724168 Apparatus and method for controlling rotation speed of synchronous reluctance motor |
| 04/15/2004 | US20040070364 System for controlling motor and method for the same |
| 04/15/2004 | US20040070362 Position sensorless control algorithm for AC machine |
| 04/15/2004 | US20040070360 Amplitude detection method and apparatus for high frequency impedance tracking sensorless algorithm |
| 04/14/2004 | CN1489822A Method and apparatus for encoderless operation of permanent magnet synchronous motor in an elevator |
| 04/14/2004 | CN1489281A Rolling adjustable-speed motor |
| 04/14/2004 | CN1489278A Motor control system and method |
| 04/14/2004 | CN1145789C Method and device for determining torque of induction machine |
| 04/14/2004 | CN1145577C Automatic calibration of current regulator control compensation for elevator motor drvice with locked rotor |
| 04/13/2004 | US6720753 Power generation system using synchronous generator |
| 04/13/2004 | US6720748 Static commissioning method and apparatus to identify rated flux current |
| 04/08/2004 | US20040066205 Rotor angle detecting apparatus for DC brushless motor |
| 04/06/2004 | US6718273 Methods for simplified field-oriented control of asynchronous machines |
| 04/01/2004 | US20040062062 Method and compensation modulator for dynamically controlling induction machine regenerating energy flow and direct current bus voltage for an adjustable frequency drive system |
| 04/01/2004 | US20040061472 Apparatus for measuring magnetic flux of synchronous reluctance motor and sensorless control system for the same motor |
| 04/01/2004 | US20040061469 Controller for DC brushless motor |
| 04/01/2004 | US20040061461 Apparatus for controlling permanent-magnet rotary machine |
| 04/01/2004 | US20040060348 Method for detecting the magnetic flux the rotor position and/or the rotational speed |
| 03/31/2004 | EP1404015A2 Method and compensation modulator for dynamically controlling induction machine regenerating energy flow |
| 03/31/2004 | CN1485975A Apparatus for measuring magnetic flux of synchronous reluctance motor and sensorless control system for the same motor |
| 03/31/2004 | CN1485974A Bldc motor speed control apparatus and method |
| 03/30/2004 | US6713978 Method and system for determining induction motor speed |
| 03/25/2004 | WO2004025821A2 Position sensor emulator for a wound rotor synchronous motor/ generator |
| 03/24/2004 | EP1401093A2 Position-sensorless motor control method and apparatus |
| 03/24/2004 | EP1400009A2 Extended speed range operation of permanent magnet brushless machines using optimal phase angle control in the voltage mode operation |
| 03/18/2004 | US20040054485 Method, system, and computer-readable medium for sensorless measurement of induction machine rotor bar pass frequency |
| 03/18/2004 | US20040052217 Position sensor emulator for a synchronous motor/generator |
| 03/18/2004 | US20040052097 Inverter device and current limiting method therefor |
| 03/18/2004 | US20040051495 Position-sensorless motor control method and apparatus |
| 03/17/2004 | EP1397858A1 Method and circuit for the sensorless, electric measurement of the position of a rotor of a permanently excited synchronous machine |
| 03/17/2004 | CN1482734A Air-conditioning apparatus |
| 03/17/2004 | CN1482733A Electric motor control device |
| 03/17/2004 | CN1482732A Vector control variable-frequency speed governing method for asynchronous motor without speed sensor |
| 03/16/2004 | US6708134 Method to estimate motor speed for stabilized motor control |
| 03/16/2004 | US6707277 Method of controlling claw-pole synchronous machine |
| 03/16/2004 | US6707270 System and method for induction motor control |
| 03/16/2004 | US6707266 Motor control device |
| 03/16/2004 | US6707265 Rotor angle detecting apparatus for DC brushless motors |
| 03/11/2004 | WO2004021557A1 Vector control method and controller of synchronous motor |
| 03/11/2004 | WO2004021556A1 Controller for synchronous motor |
| 03/10/2004 | CN1481604A Method for correcting estimate of speed of induction motor and its device |
| 03/09/2004 | US6703809 Flux position identifier using high frequency injection with the presence of a rich harmonic spectrum in a responding signal |
| 03/03/2004 | EP1393434A1 A method associated with controlling a synchronous machine |
| 03/03/2004 | EP1064718B1 Method of correcting flux midpoint influx-controlled alternating current systems |
| 03/02/2004 | US6700400 Constant detecting apparatus for brushless DC motor, control apparatus for brushless DC motor, and program for detecting constant of brushless DC motor |
| 03/02/2004 | US6700343 Motor controller |
| 03/02/2004 | US6700268 Rotational electric machine and a vehicle loaded therewith |
| 02/26/2004 | US20040037541 BLDC motor speed control apparatus and method |
| 02/26/2004 | US20040036441 Method and device for correcting estimated speed of induction motor and its device |
| 02/26/2004 | US20040036434 Method and apparatus for motor control |
| 02/24/2004 | US6696812 Control apparatus for electric motor |
| 02/24/2004 | US6696811 Method for regulating an electrical machine by means of a pulse-width modulation inverter |
| 02/19/2004 | US20040032755 Method in connection with converter bridges |
| 02/18/2004 | CN1139181C Motor controller |
| 02/12/2004 | US20040027254 Modular functional block for an electronic control system |
| 02/10/2004 | US6690139 Method and apparatus to limit motor current at low frequencies |
| 02/10/2004 | US6690137 Sensorless control system for synchronous motor |
| 02/05/2004 | WO2004011807A1 Driver of compressor and refrigerator |
| 02/05/2004 | WO2003073185A3 Predictive control system and method |
| 02/05/2004 | US20040021437 Adaptive electric motors and generators providing improved performance and efficiency |
| 02/03/2004 | US6684639 Combustion turbine power generation system and method of controlling the same |
| 01/29/2004 | DE10330791A1 Vektor-orientiertes Steuerungssystem für synchrone Maschinen mit Permanent-Magneten unter Verwendung eines Beobachters für die Parameter eines offenen Regelkreises Vector-oriented control system for synchronous machines with permanent-magnet using an observer for the parameters of an open loop |
| 01/29/2004 | DE10330425A1 Vektor-orientiertes Regelungssystem für synchrone Maschinen mit Permanent-Magneten unter Verwendung von Parameter-Einstellungstabellen Vector-oriented control system for synchronous machines with permanent magnets using setting parameter tables |
| 01/29/2004 | DE10255890A1 Motoranormalitäts-Detektionsgerät und elektrisches Servolenksteuersystem Motoranormalitäts detection device and electric power steering control system |
| 01/27/2004 | US6683428 Method for controlling torque in a rotational sensorless induction motor control system with speed and rotor flux estimation |
| 01/22/2004 | WO2004008628A1 Vector control invertor |
| 01/22/2004 | US20040012367 Apparatus for controlling brushless motor |
| 01/21/2004 | EP1383231A1 Method for acquiring the magnetic flux, the rotor position and/or the rotation speed |
| 01/21/2004 | EP0911959B1 Injection molding machine |
| 01/21/2004 | CN1469542A Speed controller for synchronous machine |
| 01/15/2004 | WO2004006424A1 Ac generator sensor-less vector control method and control device thereof |
| 01/15/2004 | US20040008530 Inverter control device and electric vehicle thereof |
| 01/15/2004 | US20040008006 Apparatus for controlling brushless motor |
| 01/15/2004 | US20040008005 Inverter apparatus |
| 01/15/2004 | US20040008004 Method for maximizing power output in permanent field synchronous motors |
| 01/15/2004 | US20040007997 Vector control system for permanent magnet sychronous machines using parameter scheduling table |
| 01/15/2004 | US20040007995 Vector control system for permanent magnet sychronous machines using an open-loop parameter observer |
| 01/14/2004 | EP1380098A1 Vector control of an induction motor |
| 01/13/2004 | US6677724 Initial magnetic pole estimating device for AC synchronous motor |
| 01/08/2004 | WO2001020751A3 Brushless machines using optimal phase angle control |
| 01/08/2004 | US20040003595 Combustion turbine power generation system and method of controlling the same |
| 01/08/2004 | US20040003594 Combustion turbine power generation system and method of controlling the same |
| 01/08/2004 | DE10226974A1 Verfahren und Vorrichtung zur Bestimmung einer Rotorlage einer feldorientiert betriebenen Drehfeldmaschine ohne mechanischen Sensor Method and apparatus for determining a rotor position of a field-oriented induction machine without mechanical sensor |
| 01/07/2004 | EP1378990A2 Electric motor controller |
| 01/07/2004 | EP1378419A2 Electric power steering apparatus |
| 01/06/2004 | US6674262 Motor control apparatus and motor control method |
| 01/06/2004 | US6674261 Motor control apparatus |
| 01/02/2004 | EP1376849A1 Method for estimating magnetic polar position of synchronous motor and its controller |
| 01/02/2004 | EP0836270B1 Method for controlling current of ac servo motor |
| 12/31/2003 | WO2004001953A1 Brushless motor control utilizing independent phase parameters |
| 12/31/2003 | WO2004001952A1 Elevator control device |
| 12/31/2003 | WO2004001949A1 Adaptive control architecture for electric machines |
| 12/31/2003 | CA2483672A1 Adaptive control architecture for electric machines |
| 12/30/2003 | US6670786 Apparatus for controlling an induction motor |
| 12/30/2003 | US6670782 Stepping motor driver |
| 12/25/2003 | US20030233887 Machine constant estimation device |
| 12/24/2003 | CN2595074Y Coordinate converting unit for observing parameters of asynchronous motor as power frequency |
| 12/23/2003 | US6667597 Method of extending the operating speed range of a rotor flux based MRAS speed observer in a three phase AC induction motor |