| 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) |
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| 06/16/2009 | US7548038 Controller for motor |
| 06/16/2009 | US7548035 Control apparatus of electric power steering apparatus |
| 06/11/2009 | WO2009072359A1 Ac motor controller |
| 06/11/2009 | WO2009071979A1 Drive apparatus, and drive-force output system having drive apparatus, and method for controlling the drive apparatus |
| 06/11/2009 | WO2009071642A2 Applying a control unit to an asynchronous machine which is operated without a rotary encoder |
| 06/11/2009 | US20090146592 Position sensorless controller for permanent magnet motor |
| 06/11/2009 | US20090146591 Motor controller of air conditioner |
| 06/11/2009 | US20090146590 Controller of multi-phase electric motor |
| 06/11/2009 | US20090146589 Motor Control Device and Vehicle Including the Same |
| 06/11/2009 | CA2708054A1 Control apparatus of alternating-current motor |
| 06/10/2009 | EP2068438A1 Permanent magnet synchronization motor vector control device |
| 06/10/2009 | EP2068416A1 Advance control for a voltage source converter |
| 06/10/2009 | EP2067250A1 Error recognition by evaluation of parameters of the field oriented regulation |
| 06/10/2009 | CN101453189A Electrical tensioning motor assembly |
| 06/09/2009 | US7545115 Motor control and driver for electric boosting application |
| 06/04/2009 | US20090140681 Sensorless measurement of the rotation frequency of a rotor of an asynchronous machine |
| 06/04/2009 | US20090140676 Method and system for sensorless control of an electric motor |
| 06/04/2009 | US20090140674 Control apparatus for ac motor |
| 06/03/2009 | EP2066018A2 Motor control device |
| 06/03/2009 | EP2065172A1 Screw press and method for its operation |
| 06/03/2009 | CN101449456A Electromotor diver and compressor diver |
| 05/28/2009 | WO2009066865A2 Motor and apparatus and method for controlling the motor |
| 05/28/2009 | US20090134834 Motor control device |
| 05/27/2009 | EP2063526A2 Motor controller of air conditioner |
| 05/27/2009 | EP2063333A1 Motor control apparatus |
| 05/27/2009 | CN101443995A Control device for AC rotary machinery |
| 05/27/2009 | CN101443671A Drive system for an electronic domestic appliance |
| 05/27/2009 | CN100492876C Method of controlling AC motor and controller |
| 05/27/2009 | CN100492873C Speed control apparatus of vector controlled alternating current motor |
| 05/26/2009 | US7538510 Controller for motor |
| 05/26/2009 | CA2372134C Motor control apparatus |
| 05/22/2009 | WO2009063786A1 Motor control device and control method thereof |
| 05/20/2009 | EP2061147A2 Initial rotor position detection and start-up system for a dynamoelectric machine |
| 05/20/2009 | EP2061145A1 Dual lane control of a permanent magnet brushless motor using non-trapezoidal commutation control |
| 05/20/2009 | CN100490302C Motor controller |
| 05/14/2009 | WO2009060588A1 Inverter device for washing machine |
| 05/13/2009 | EP2058940A1 Ac motor vector control apparatus |
| 05/13/2009 | CN101432961A Control device of AC rotary motor |
| 05/13/2009 | CN101432960A 空调机 Air conditioning |
| 05/13/2009 | CN100488023C Motor driving control device |
| 05/12/2009 | US7531982 Motor drive apparatus capable of accurately estimating demagnetization of permanent magnet motor |
| 05/07/2009 | WO2009057741A1 Motor control device, drive device, and hybrid drive device |
| 05/07/2009 | WO2009057388A1 Motor controller, electric vehicle and hybrid electric vehicle |
| 05/06/2009 | CN101425775A Controller and controlling method for non-bearing permanent magnet synchronous electric motor |
| 05/06/2009 | CN100486093C Control structure of full power type AC-DC-AC converter for wind power generation |
| 05/05/2009 | US7528562 Method and apparatus for controlling an electric motor using star voltage modulation |
| 04/30/2009 | WO2009019390A3 Method for controlling the power supply of a three-phased electric motor from a dc voltage source and device for implementing same |
| 04/29/2009 | EP1859528B1 Power supply apparatus with function of detecting abnormality of current sensor |
| 04/29/2009 | EP1181766B1 Starting procedure of open-loop vector control in synchronous machine |
| 04/23/2009 | WO2009050804A1 Wheel diameter measuring instrument for electric vehicle |
| 04/23/2009 | WO2009049501A1 A motor control method and device by using space vector pulse width modulation |
| 04/23/2009 | US20090102402 Controlled electric motor arrangement for a tension mechanism |
| 04/23/2009 | DE102008038348A1 Halbleiter-Stromrichter Semiconductor converters |
| 04/22/2009 | EP2051362A1 Inverter |
| 04/22/2009 | EP2050187A1 Drive and method |
| 04/22/2009 | EP2050186A1 Drive and method |
| 04/21/2009 | US7521889 Method of braking induction motor and control apparatus |
| 04/16/2009 | WO2009048066A1 Motor control device and magnetic pole position estimation method |
| 04/16/2009 | WO2009047997A1 Ac motor control device and ac motor control method |
| 04/16/2009 | WO2009047729A2 Downhole load sharing motor assembly |
| 04/16/2009 | US20090096394 Rotary electric system with star-connected multiphase stator windings |
| 04/16/2009 | DE102008046240A1 Verfahren und Vorrichtung zur Drehmomentüberwachung eines Elektromotors Method and apparatus for monitoring the torque of an electric motor |
| 04/16/2009 | CA2702538A1 Downhole load sharing motor assembly |
| 04/15/2009 | EP2048772A1 Variable magnetic flux motor drive system |
| 04/14/2009 | US7518331 AC rotating electric machine control method and electrical power train system |
| 04/09/2009 | WO2009043965A1 Restriction of output of electrical drive and protection of an elevator |
| 04/09/2009 | CA2700913A1 Method and control system for controlling a synchronous electric machine |
| 04/08/2009 | EP2045905A1 Phase current detection method, inverter control method, motor control method, and apparatuses used in these methods |
| 04/08/2009 | CN100477483C Motor controller |
| 04/08/2009 | CN100477479C Motor controller |
| 04/02/2009 | WO2009041157A1 Inverter control device and its control method |
| 04/02/2009 | WO2009040965A1 Controller of rotary electric machine |
| 04/02/2009 | WO2005039036A3 Improved belt drive system with outer rotor motor |
| 04/02/2009 | CA2697610A1 Controller of rotary electric machine |
| 04/01/2009 | EP2043256A2 Motor controller and electric power steering apparatus |
| 04/01/2009 | EP2043255A2 System and method for controlling torque ripples in synchronous machines |
| 04/01/2009 | EP2043251A1 Regulated electric motor assembly for a tensing mechanism |
| 04/01/2009 | EP2043249A1 Phase current detection method, inverter control method, motor control method, and apparatuses used in these methods |
| 04/01/2009 | EP2043248A1 Phase current detection method, inverter control method, motor control method, and apparatuses used in these methods |
| 04/01/2009 | CN101401295A Electric motor control apparatus |
| 04/01/2009 | CN101399516A Linearity for field weakening in an interior permanent magnet machine |
| 03/31/2009 | US7511448 Motor control device |
| 03/26/2009 | WO2009038832A2 System and method to determine electric motor efficiency nonintrusively |
| 03/26/2009 | WO2009038047A1 Variable magnetic flux drive system |
| 03/26/2009 | US20090079371 Motor controller and electric power steering apparatus |
| 03/26/2009 | US20090079370 Ipm motor system and control method thereof |
| 03/25/2009 | EP2040373A1 Inverter device and air conditioner |
| 03/25/2009 | EP2040371A1 Vector control apparatus for induction motor, vector control method for induction motor, and drive control apparatus for induction motor |
| 03/25/2009 | EP2040368A1 Motor control device and vehicle using the same |
| 03/25/2009 | CN100472935C Controlling device and its regulating method of synchronous motor |
| 03/24/2009 | US7508149 Oil pump systems and methods for preventing torque overload in motors of oil pump systems |
| 03/18/2009 | EP2037568A1 Method for operating a motorised positioning device and corresponding positioning device |
| 03/18/2009 | EP2037560A1 Electric motor driving device |
| 03/18/2009 | EP2036199A1 Regulator and method for regulating a continuously variable electrical gearbox |
| 03/18/2009 | CN101390281A Electric motor driving device |
| 03/18/2009 | CN101388639A Non-position sensor vector control method for double-feed wind power generator |
| 03/18/2009 | CN101388638A Three phase inverter with improved loss distribution |
| 03/18/2009 | CN101388599A Space vector pulse modulation FPGA implementing method based on three parameters |
| 03/18/2009 | CN100471032C Method of controlling induction motor |
| 03/12/2009 | DE202008009574U1 System zur Lage- und Geschwindigkeitsermittlung bei einem Permanentmagnet-Läufer einer elektrischen Maschine System for position and velocity determination for a permanent magnet rotor of an electrical machine |