| 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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| 02/13/2013 | CN102934353A Synchronous machine control device without position sensors |
| 02/13/2013 | CN102931906A Method for asynchronous motor rotor flux linkage observation and rotation speed identification |
| 02/13/2013 | CN102931905A Permanent magnet synchronous motor control method and device |
| 02/13/2013 | CN102931904A Virtual flux orientation based control circuit and method |
| 02/13/2013 | CN102931903A Method for detecting initial position of rotor of permanent magnet synchronous motor |
| 02/13/2013 | CN102931902A Dead-time compensation system and method |
| 02/13/2013 | CN102291080B Adaptive-compensation-based asynchronous motor parameter recognition method |
| 02/13/2013 | CN102208895B Method and device for detecting initial position angle of electro-excitation synchronous machine rotor |
| 02/13/2013 | CN102122916B Compound control method based on vector control system of permanent magnet synchronous motor |
| 02/13/2013 | CN101978593B Control device and control method for vehicle |
| 02/13/2013 | CN101485079B Sensorless control apparatus of synchronous machine |
| 02/07/2013 | WO2013017386A1 Self-commissioning procedure for inductance estimation in an electrical machine |
| 02/07/2013 | WO2012130503A3 Method for operating an electric machine in short-circuit operation |
| 02/07/2013 | US20130033206 Methods, systems and apparatus for adjusting modulation index to improve linearity of phase voltage commands |
| 02/07/2013 | US20130033205 Power Conversion Device |
| 02/07/2013 | DE102012212308A1 Verfahren, Systeme und Vorrichtung zum Anpassen eines Modulationsindexes zur Verbesserung der Linearität von Phasenspannungsbefehlen Methods, systems, and apparatus for adjusting a modulation index to improve the linearity of the phase voltage commands |
| 02/07/2013 | DE102011080442A1 Method for operating induction machine i.e. permanent-moved synchronous machine for vehicle propulsion system, involves determining sign default value based on electrical power and expected power of machine and command phase value |
| 02/06/2013 | EP2555420A1 Self-commissioning procedure for inductance estimation in an electrical machine |
| 02/06/2013 | EP2553806A1 Rectifier based torsional mode damping system and method |
| 02/06/2013 | EP2553805A1 Sensorless torsional mode damping system and method |
| 02/06/2013 | EP2553804A1 Rectifier and inverter based torsional mode damping system and method |
| 02/06/2013 | EP2553803A1 Phase locked loop based torsional mode damping system and method |
| 02/06/2013 | EP2553802A2 Method for controlling an optimal operating point in a synchronous machine and inverter-fed synchronous machine |
| 02/06/2013 | CN102918764A Rectifier and inverter based torsional mode damping system and method |
| 02/06/2013 | CN102916647A Method and device for measuring time constant of asynchronous motor rotor on line |
| 02/06/2013 | CN102916646A Methods, systems and apparatus for adjusting modulation index to improve linearity of phase voltage commands |
| 02/06/2013 | CN102916645A Motor control unit and electric power steering system |
| 02/06/2013 | CN102916644A Excitation loss control system and control method for electric vehicle permanent magnet synchronous motor |
| 02/06/2013 | CN102916643A Three-phase rotary machine control apparatus |
| 02/06/2013 | CN102916642A Internal-mode fault-tolerant control system and method for support vector machine of permanent-magnet synchronous linear motor |
| 02/06/2013 | CN102916641A Multi-phase rotary machine control apparatus and electric power steering system using the same |
| 01/31/2013 | WO2013015010A1 Power converter |
| 01/31/2013 | WO2012069229A3 Drive method and apparatus for an electric machine |
| 01/31/2013 | DE102012014320A1 Temperaturerfassungsvorrichtung, die eine Temperatur eines Rotors eines Motors erfasst Temperature detecting means that detects a temperature of a rotor of a motor |
| 01/30/2013 | EP2552015A2 A method of position sensorless control of an electrical machine |
| 01/30/2013 | EP2552014A2 A method of position sensorless control of an electrical machine |
| 01/30/2013 | EP2550731A2 Method and device for determining output torque of an electric drive |
| 01/30/2013 | CN202713215U Encoder feedback switching circuit used for frequency converter closed-loop control |
| 01/30/2013 | CN102906991A Sensorless torsional mode damping system and method |
| 01/30/2013 | CN102906989A Equipment and method for measuring the offset angle of a resolver in a synchronous electric machine |
| 01/30/2013 | CN102906988A Method for the automatic adjustment of a resolver of an electric machine |
| 01/30/2013 | CN102904520A Current predictive control method of permanent magnet synchronous motor |
| 01/30/2013 | CN102904519A Robust excitation system parameter identification method based on exponential-type target function |
| 01/30/2013 | CN102904518A Synchronous generator q shaft parameter on-line identification method |
| 01/30/2013 | CN101789750B Control method for reducing traction pulsation of linear induction motor |
| 01/29/2013 | US8364349 Motor controller and electric power steering apparatus with temperature detector of the motor |
| 01/24/2013 | WO2013011807A1 Rotating electric machine control device |
| 01/24/2013 | WO2013010778A1 Method for controlling harmonics and resonances in an inverter |
| 01/24/2013 | US20130020971 Temperature compensation for improved field weakening accuracy |
| 01/24/2013 | DE102012211315A1 Temperaturkompensation für verbesserte Feldschwächungsgenauigkeit Temperature compensation for improved field weakening accuracy |
| 01/23/2013 | EP2549642A1 Actuator control device and working machine equipped with same |
| 01/23/2013 | EP2548301A2 Methods and devices for the determination of slip frequency and for the automatic control of an asynchronous motor |
| 01/23/2013 | CN202696534U Device for measuring alternate and direct axis induction of permanent magnet synchronous motor |
| 01/23/2013 | CN202696533U Variable speed permanent magnet alternating current generator system |
| 01/23/2013 | CN202696532U Controller for electric vehicle motor drive system based on digital signal processor (DPS) and field programmable gate array (FPGA) |
| 01/23/2013 | CN102893510A Electric motor controller and electric motor control system |
| 01/23/2013 | CN102891647A Temperature compensation for improved field weakening accuracy |
| 01/23/2013 | CN102045020B Method for detecting position of rotor of permanent magnet motor |
| 01/17/2013 | WO2013008328A1 Vehicle driving device |
| 01/17/2013 | US20130015793 Method and apparatus for space vector pulse width modulation of a three-phase current construction with single dc-link shunt |
| 01/16/2013 | EP2546979A1 Method for controlling harmonics and resonances in an inverter |
| 01/16/2013 | EP2546977A1 Method of control implemented in a variable speed drive for controlling the deceleration of an electric motor in the case of power outage |
| 01/16/2013 | EP2545281A1 Controller-integrated motor pump |
| 01/16/2013 | CN102882463A Control parameter setting method of speed regulating controller in speed regulating device of torque motor |
| 01/16/2013 | CN102882462A Combined-type SVPWM method |
| 01/16/2013 | CN102882461A Control method for AC asynchronous motor |
| 01/16/2013 | CN102882460A 逆变器装置 Inverter means |
| 01/16/2013 | CN102882459A Single-supply open-coil winding permanent magnet synchronous motor driving system for electric vehicles |
| 01/16/2013 | CN102882458A Current internal-model decoupling controller of open-winding permanent-magnet synchronous motor |
| 01/16/2013 | CN102882457A Traction motor control device and method |
| 01/16/2013 | CN102882456A Method of controlling electric motor to decelerate in the case of power outage |
| 01/15/2013 | CA2598972C Starter/generator with permanent magnet generator position indicator |
| 01/10/2013 | WO2013005762A1 Inverter control device and inverter control method |
| 01/10/2013 | WO2012020348A3 Electric motor and method of braking using an electric motor |
| 01/10/2013 | WO2012010532A3 Method and device for the sensor-free position determination of an electronically commutated electric machine |
| 01/10/2013 | US20130009611 Direct power and stator flux vector control of a generator for wind energy conversion system |
| 01/10/2013 | US20130009575 Apparatus for operating interior permanent magnet synchronous motor |
| 01/10/2013 | US20130009574 Apparatus for operating interior permanent magnet synchronous motor |
| 01/09/2013 | EP2544363A2 Apparatus for controlling speed in induction motor |
| 01/09/2013 | EP2544362A2 Apparatus for operating an interior permanent magnet synchronous motor |
| 01/09/2013 | EP2544361A2 Inverter Device and Electric Motor Drive System |
| 01/09/2013 | EP2544360A2 Apparatus for operating an interior permanent magnet synchronous motor |
| 01/09/2013 | EP2543133A2 Current sensor error compensation |
| 01/09/2013 | CN202663353U Alternating-current speed regulation system suitable for mine fan |
| 01/09/2013 | CN202663351U Servo motor rotational speed control system based on fuzzy self-adaptive proportional-integral-derivative (PID) controllers |
| 01/09/2013 | CN202663350U Speed-governing control system based on multilevel matrix frequency converter for mine hoist |
| 01/09/2013 | CN102870321A Method and device for determining output torque of an electric drive |
| 01/09/2013 | CN102868355A Method for controlling voltage balancing of direct current bus capacitors during indication of induction motor parameter |
| 01/09/2013 | CN102868354A Torque observer based on measurement of output current and output voltage |
| 01/09/2013 | CN102868353A Control system for doubly-fed induction machine |
| 01/09/2013 | CN102868352A Induction motor vector control system with rotor resistance robustness and induction motor vector control system method |
| 01/09/2013 | CN102868351A Induction motor control system and method |
| 01/09/2013 | CN102868350A Quasi-close loop starting method of brushless direct current motor free of position sensor |
| 01/09/2013 | CN102868349A Apparatus for controlling speed in induction motor |
| 01/09/2013 | CN102868348A Apparatus for operating an interior permanent magnet synchronous motor |
| 01/09/2013 | CN102868347A Inverter device and electric motor drive system |
| 01/09/2013 | CN102868342A Control of electrical machine |
| 01/09/2013 | CN101984553B Voltage vector selection method and multi-motor synchronous control system established by same |
| 01/09/2013 | CN101982918B Direct driving wind power generation system based on double SVPWM current mode convertor and control method thereof |
| 01/09/2013 | CN101800508B Alternating-current motor control apparatus |