| 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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| 08/01/2013 | WO2012131344A3 Method and apparatus for controlling an electrical machine |
| 08/01/2013 | US20130193899 Motor drive control device and operating method thereof |
| 07/31/2013 | CN103227611A Mechanical inertia identification method and device, and motor speed regulation system |
| 07/31/2013 | CN103227605A Control method for preventing overvoltage of high-voltage frequency converter with fan load during speed reduction process |
| 07/31/2013 | CN103227604A Speed sensorless vector control method for induction motor |
| 07/31/2013 | CN103227603A Vector compensation control method of winding open permanent magnet generator system |
| 07/31/2013 | CN102324882B Current distribution method for hybrid excitation synchronous machine in wide range speed control system |
| 07/31/2013 | CN102027670B Motor control device, and electric steering device |
| 07/31/2013 | CN102025311B 马达控制装置 Motor control means |
| 07/31/2013 | CN101855825B Motor control device and control method thereof |
| 07/30/2013 | US8497645 Control device for electric motor drive device |
| 07/25/2013 | WO2013108877A1 Control device and control method for permanent magnet electric motor |
| 07/25/2013 | WO2013108374A1 Power conversion device |
| 07/25/2013 | WO2013108356A1 Motor controller |
| 07/25/2013 | US20130187579 Motor drive for permanent magnet synchronous motor |
| 07/24/2013 | EP2618480A2 Motor control device and air conditioner |
| 07/24/2013 | EP2618479A2 Apparatus for controlling interior permanent magnet synchronous motor |
| 07/24/2013 | EP2617126A2 Inverter apparatus and inverter control method |
| 07/24/2013 | CN103219939A Rotational inertia on-line identification method for alternating current (AC) permanent magnet synchronous motor servo system |
| 07/24/2013 | CN103219938A Current detection circuit |
| 07/24/2013 | CN103219937A Control method of duplex-winding high-power explosion-proof electric machine system based on IGCT five electrical levels |
| 07/24/2013 | CN103219936A Permanent magnet synchronous motor feed-forward decoupling method based on neural network online learning |
| 07/24/2013 | CN103216452A Draining pump |
| 07/24/2013 | CN103210746A Electric lawn mower |
| 07/24/2013 | CN102045013B Fail-safe controls for electric traction drive systems |
| 07/18/2013 | WO2013104896A1 Method and apparatus for operating an electrical drive system |
| 07/18/2013 | WO2012131269A3 System and method for controlling a multiphase electric motor while taking current oscillations into account |
| 07/18/2013 | WO2012107665A3 Method and device for controlling a reluctance electric machine |
| 07/18/2013 | US20130181642 Method and system for controlling an electric motor for a vehicle |
| 07/17/2013 | CN103210579A Drive method and apparatus for an electric machine |
| 07/17/2013 | CN103208964A Control device of power converting unit and determination method of motor characteristics |
| 07/17/2013 | CN103208963A Torque ripple suppression method of brushless direct current motor |
| 07/17/2013 | CN103208962A Initiative risk protection system for variable flow type vector control device of high-capacity thyristor |
| 07/17/2013 | CN103208961A Driving device of synchronous motor; refrigeration apparatuses, air conditioners and refrigerators using same; and driving method of synchronous motor |
| 07/17/2013 | CN102386839B Synchronous motor vector controller based on reactive power observer and control method |
| 07/17/2013 | CN102259598B Electric motor car control apparatus |
| 07/17/2013 | CN101401295B Electric motor control apparatus |
| 07/11/2013 | WO2013102999A1 Heat pump device, air conditioner, and refrigerator |
| 07/11/2013 | WO2012123255A3 Control method implemented in a power converter and intended for identifying parameters linked to the magnetic saturation of an electric motor |
| 07/11/2013 | US20130175970 Current control gain adjusting method for pm motor, current control method, and control device |
| 07/11/2013 | DE102012223896A1 Verfahren, Systeme und Geräte für das Erzeugen von Strombefehlen, welche benutzt werden, um den Betrieb einer elektrischen Maschine zu steuern Methods, systems, and devices for producing current commands that are used to control the operation of an electrical machine |
| 07/11/2013 | DE102012223441A1 Verfahren und System für sensorloses Steuern eines elektrischen Motors A method and system for controlling a sensorless electric motor |
| 07/10/2013 | EP2613435A1 Drive system of synchronized electric motor |
| 07/10/2013 | EP2612436A1 Improved method to save energy for devices with rotating or reciprocating masses |
| 07/10/2013 | CN203057060U Speed regulation controller based on spatial vector control method for AC asynchronous motor |
| 07/10/2013 | CN203057059U Permanent magnet synchronous motor combination control system based on fuzzy sliding mode and neural network |
| 07/10/2013 | CN103199790A Control system and control method for three-phase four-bridge-arm permanent magnet synchronous motor |
| 07/10/2013 | CN103199789A Methods and systems for sensorless control of an electric motor |
| 07/10/2013 | CN103199788A Permanent magnet synchronous motor rotor position observer |
| 07/10/2013 | CN103199787A Load disturbance resistant method and device thereof based on hybrid regulator |
| 07/10/2013 | CN103199786A Control method and system of motor for pure electric vehicle |
| 07/10/2013 | CN103199785A Methods, systems and apparatus for generating current commands used to control operation of an electric machine |
| 07/10/2013 | CN103199784A High-voltage electricity-saving unit |
| 07/10/2013 | CN103199775A Five level single round high-power anti-explosion synchronous motor frequency conversion speed regulation system based on integrated gate commutated thyristor (IGCT) |
| 07/10/2013 | CN102420561B Speed sensorless vector control method on basis of cascaded high voltage inverter |
| 07/10/2013 | CN102224304B Rotation control device for work machinery, control method and work machinery |
| 07/10/2013 | CN102223134B Device and method for online distinguishing parameters of servo system of permanent-magnet synchronous motor |
| 07/10/2013 | CN101826834B Initial polarity detection for permanent magnet motor drives |
| 07/10/2013 | CN101639068B Oil-flooded screw compressor, motor drive system, and motor control device |
| 07/09/2013 | CA2708054C Control apparatus of alternating-current motor |
| 07/09/2013 | CA2659088C Variable-flux motor drive system |
| 07/04/2013 | US20130169203 Apparatus for controlling interior permanent magnet synchronous motor |
| 07/04/2013 | US20130169202 Methods, systems and apparatus for generating voltage commands used to control operation of a permanent magnet machine |
| 07/04/2013 | US20130169201 Methods, systems and apparatus for controlling operation of an electric machine in an overmodulation region |
| 07/03/2013 | EP2611025A1 Engagement of a spinning AC induction motor |
| 07/03/2013 | EP2609444A2 Method and device for controlling a synchronous machine |
| 07/03/2013 | CN203039636U Frequency converter for space vector control |
| 07/03/2013 | CN203039635U Indirect-type matrix control system of ship driven by electricity converted from electricity-oil hybrid power |
| 07/03/2013 | CN103187920A Methods, systems and apparatus for controlling operation of an electric machine in an overmodulation region |
| 07/03/2013 | CN103187919A System and method for performing weakening magnetism speed adjustment on permanent magnet synchronous motor |
| 07/03/2013 | CN103187918A Traction invertor controlling method and device |
| 07/03/2013 | CN103187917A High-voltage direct current (DC) power generator |
| 07/03/2013 | CN103187916A Motor control system for electric fork-lift truck |
| 07/03/2013 | CN103187906A Method, system and device used for producing voltage instrument controlling permanent motor operation |
| 07/03/2013 | CN103187905A 电动机控制装置和空调机 Motor control device and air conditioner |
| 07/03/2013 | CN102045021B Methods, systems and apparatus for dynamically controlling an electric motor that drives an oil pump |
| 06/27/2013 | WO2013093223A2 Method for determining the position and the speed of a rotor of a synchronous electric machine |
| 06/27/2013 | WO2013092755A1 Drive inverter having an abnormal torque inversion detector |
| 06/27/2013 | WO2013092752A1 Drive inverter having a torque error detector |
| 06/27/2013 | WO2012131506A3 An electric motor arrangement and method of controlling thereof |
| 06/27/2013 | US20130162186 Sensorless torsional mode damping system and method |
| 06/27/2013 | DE102011089755A1 Method for actuating stator and rotor of electric motor of vehicle e.g. passenger car, involves controlling electric motor based on the flow configurations and rotational torque signal |
| 06/26/2013 | CN103178769A Parameter offline identification method for permanent magnet synchronous motor under condition of rest |
| 06/26/2013 | CN103178768A Device for detecting initial position of rotor of permanent-magnetic synchronous motor and using method thereof |
| 06/26/2013 | CN103178767A Compensation method and compensation device for permanent magnet motor |
| 06/20/2013 | WO2012159843A3 Method for operating an electrical machine in a motor vehicle |
| 06/20/2013 | WO2012152463A3 Method and device for monitoring a torque of an electric motor |
| 06/20/2013 | DE102011121608A1 Optimized operating point determination method for e.g. permanent magnet-energized synchronous machine of electric car, involves determining optimized operating point in dependence of modified operating point |
| 06/20/2013 | DE102011088729A1 Drehzahlfenster basierte Regelstrategie für Elektromaschine Speed window-based control strategy for electric machine |
| 06/19/2013 | EP2605399A1 Motor drive system and control method thereof |
| 06/19/2013 | EP2604466A1 Motor control system for limiting regenerative current |
| 06/19/2013 | CN103166563A Initial alignment detecting method of rotor position in permanent magnet synchronous motor |
| 06/19/2013 | CN103166562A Fault tolerant permanent magnet machine phase correction system and method |
| 06/19/2013 | CN103166561A Permanent magnetic linear synchronous motor compound control system based on non-smooth control technology |
| 06/19/2013 | CN103166560A Control device of motor |
| 06/19/2013 | CN103166559A Controller |
| 06/19/2013 | CN103166558A Alternating current servo driver based on IRMCK 201 |
| 06/19/2013 | CN103166405A Cage barrier spliced outer rotor stator double-winding alternating current motor and control method thereof |
| 06/19/2013 | CN103166404A Cage barrier spliced outer rotor stator electro-magnetic synchronous motor and control method thereof |
| 06/19/2013 | CN103166403A Modular cage barrier rotor stator double electric port alternating current motor and control method thereof |