| 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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| 09/11/2013 | CN102522948B Hybrid intelligent adjusting method of torque hysteresis width in DTC (Direct Torque Control) system |
| 09/11/2013 | CN101911471B Motor control device and electric power steering device |
| 09/06/2013 | WO2013130286A1 Drive systems including sliding mode observers and methods of controlling the same |
| 09/06/2013 | WO2013130282A1 Drive systems including sliding mode observers and methods of controlling the same |
| 09/05/2013 | US20130229137 Position control device for electric motor |
| 09/04/2013 | CN203180818U Alternating current motor control system based on vector control |
| 09/04/2013 | CN203180817U A control device based on a brushless double-fed motor |
| 09/04/2013 | CN203180816U Yarn constant tension control system having PID controller with dead zone |
| 09/04/2013 | CN103281031A Squirrel cage asynchronous motor equivalent circuit parameter identification method based on measurable electrical capacity |
| 09/04/2013 | CN103281030A Vector control method for mixed excitation motor no-position sensor |
| 09/04/2013 | CN103281029A Method for controlling double-stage matrix converter-synchronous generator system |
| 09/04/2013 | CN103281028A Starting control method of starting/generating system based on double-stage matrix converter |
| 09/04/2013 | CN103281027A Method for starting compressor of variable frequency air conditioner and compensating low-frequency torque |
| 09/04/2013 | CN103281026A Control method of open winding permanent magnet synchronous motor system of hybrid inverter |
| 09/04/2013 | CN103281025A DFIG (Double-Fed Induction Generator) system control method based on resonance sliding mode |
| 09/04/2013 | CN103281022A Double-efficiency fuzzy optimization control method for doubly-fed wind generator |
| 09/03/2013 | US8525454 Controller for AC rotary machine |
| 08/29/2013 | US20130221879 Method of controlling a current of a motor and control device of a motor |
| 08/29/2013 | DE102012101472A1 Method for controlling three-phase synchronous alternator of internal combustion engine-electrical power supply for e.g. industrial lorry, involves controlling stationary components of current, so that harmonic is separately controlled |
| 08/29/2013 | DE102012101466A1 Method for controlling three-phase synchronous generator for e.g. industrial truck, involves using transformed values of currents in stator fields in generator rotor, so as to enable separate control of current harmonics in generator |
| 08/28/2013 | CN203166827U Special frequency converter for adjusting speed of battery electrical locomotive |
| 08/28/2013 | CN203166826U Special frequency converter for adjusting speed of battery electrical locomotive |
| 08/28/2013 | CN103270687A Apparatus for determining the angular position of the rotor of an electric machine |
| 08/28/2013 | CN103269201A Method for enhancing double-feeding inducing wind power system running performance |
| 08/28/2013 | CN103269200A High speed stabilizing drive control method of satellite-borne large inertia load mechanism |
| 08/28/2013 | CN103269199A Electric car induction motor torque current setting device |
| 08/28/2013 | CN103269198A Permanent magnet synchronous motor control method and system based on encoder automatic zero set |
| 08/28/2013 | CN103269197A System and method for retraining high-frequency vibration of low-pressure large-power multi-phase variable frequency motor |
| 08/28/2013 | CN103269196A Method for suppressing unbalance of output currents of five-phase induction motor |
| 08/28/2013 | CN103269195A Speed change integral PID controller for asynchronous motor vector control of electromobile |
| 08/28/2013 | CN103269088A Double-fed type wind generating set low-voltage-ride-through control method based on electromagnetic transient algorithm |
| 08/28/2013 | CN102324890B Elevator door motor switch-in-place torque control method and elevator door motor device |
| 08/28/2013 | CN102113203B Device and method for controlling AC electric motor |
| 08/27/2013 | US8519649 Control device of a synchronous motor |
| 08/27/2013 | US8519648 Temperature compensation for improved field weakening accuracy |
| 08/22/2013 | WO2013038250A3 Rotary electric machine control system and rotary electric machine control method |
| 08/22/2013 | WO2013037472A3 Method for determining the rotor angle of a synchronous machine and drive for carrying out the method |
| 08/22/2013 | WO2013016505A3 Method for smooth motor startup |
| 08/22/2013 | US20130214717 Power conversion apparatus |
| 08/22/2013 | US20130214713 Controller for ac motor |
| 08/22/2013 | US20130214712 Ac motor control apparatus |
| 08/22/2013 | US20130214711 Ac motor control apparatus |
| 08/22/2013 | US20130214710 Ac motor control apparatus |
| 08/22/2013 | US20130214709 Ac motor control apparatus |
| 08/22/2013 | DE102013202770A1 Steuerungsvorrichtung für einen wechselstrommotor Control apparatus for an AC motor |
| 08/22/2013 | DE102013202742A1 Wechselstrommotor-steuerungsgerät An AC motor control apparatus |
| 08/22/2013 | DE102013202741A1 Wechselstrommotor-steuerungsgerät An AC motor control apparatus |
| 08/22/2013 | DE102013202735A1 Wechselstrommotor-steuerungsgerät An AC motor control apparatus |
| 08/22/2013 | DE102013202733A1 Wechselstrommotor-steuerungsgerät An AC motor control apparatus |
| 08/22/2013 | DE102013200743A1 Verfahren und system für das abschätzen elektrischer winkelgeschwindigkeit einer permanentmagnet-maschine Method and system for the electrical estimate angular velocity of a permanent-magnet machine |
| 08/21/2013 | CN203151430U Phase correction system of fault tolerant permanent magnet motor (FTPMM) |
| 08/21/2013 | CN203151429U Sensorless control device for permanent magnet synchronous motor |
| 08/21/2013 | CN103259488A Motor control method, motor control system and motor control device |
| 08/21/2013 | CN103259487A Transducer motor controlling method and transducer |
| 08/21/2013 | CN103259485A Method of improving identification precision of speedless sensor under condition of unbalanced network voltage |
| 08/21/2013 | CN103259484A Method for starting permanent magnet synchronous motor without position sensor |
| 08/21/2013 | CN103259483A Method for controlling permanent magnet synchronous motor |
| 08/21/2013 | CN103259482A Electric motor torque estimation |
| 08/21/2013 | CN103259481A Method and system for estimating electrical angular speed of permanent magnet machine |
| 08/21/2013 | CN103259480A Method and system for controlling doubly-fed wind generator speed sensor-less |
| 08/21/2013 | CN103259479A Method for observing left inverse state of neural network of permanent magnet synchronous motor |
| 08/21/2013 | CN103259478A Optimizing and modulating method of five-axle arm inverter |
| 08/21/2013 | CN103259477A Motor control method and circuit of inverter |
| 08/21/2013 | CN103259476A Frequency conversion alternating current generation system control method with voltage harmonic suppression function |
| 08/21/2013 | CN102231576B Self-fault tolerance magnetic flux switching permanent magnet motor |
| 08/15/2013 | US20130207579 Method and system for estimating electrical angular speed of a permanent magnet machine |
| 08/14/2013 | EP2626999A1 Drive regulator for an electric machine and method for regulating an electrical machine |
| 08/14/2013 | EP2626998A1 Voltage control for an electric machine and corresponding control method |
| 08/14/2013 | EP2626997A1 Current control gain adjusting method for pm motor, current control method, and control device |
| 08/14/2013 | EP2626996A1 Motor constant calculating method for pm motor, and motor constant calculating device |
| 08/14/2013 | CN203135786U Slip frequency controlled variable-frequency driving system |
| 08/14/2013 | CN103250343A Inductance measurement device and measurement method for synchronous electric motor |
| 08/14/2013 | CN103248317A Control apparatus for multi-phase rotary machine and electric power steering system using the same |
| 08/14/2013 | CN103248307A Fault diagnosis method for current sensor in induction motor speed regulating system |
| 08/14/2013 | CN103248306A Online decoupling identification method of multiple parameters of PMSM (permanent magnet synchronous motor) |
| 08/14/2013 | CN103248305A Bisynchronous coordinate system vector control method for motor control |
| 08/14/2013 | CN103248304A Tri-level inversion indirect vector control system based on simplified SVPWM (space vector pulse width modulation) |
| 08/14/2013 | CN103248303A Control device for cold storage door |
| 08/14/2013 | CN102270962B Method for driving high power high speed DC brushless motor controller |
| 08/14/2013 | CN102170260B Control apparatus for electric rotating machine |
| 08/14/2013 | CN102143855B Power conversion device |
| 08/13/2013 | US8508162 System and method for controlling torque of induction motor in electric vehicle |
| 08/13/2013 | US8508160 Servo motor position control device |
| 08/08/2013 | WO2013113891A1 Determining a phase and a frequency of an electric quantity of an operating electrical device |
| 08/08/2013 | WO2012085412A3 Method and device making it possible to determine the position of the rotor of an electric machine |
| 08/07/2013 | EP2623997A1 Determining a phase and a frequency of an electric quantity of an operating electrical device |
| 08/07/2013 | EP2622733A2 Motor controlling apparatus |
| 08/07/2013 | EP2622730A1 Method for controlling an electrical motor |
| 08/07/2013 | CN203119836U Integrated driving device of high-voltage winding motor for milling machines |
| 08/07/2013 | CN203119835U Winding motor dual-converter control device without speed sensor |
| 08/07/2013 | CN203119834U Inversion apparatus |
| 08/07/2013 | CN103236816A Method for realizing stable operation of frequency converter under V/F (voltage/frequency) control |
| 08/07/2013 | CN103236815A Method for modulating space vector impulse width of frequency converter |
| 08/07/2013 | CN103236814A Fractional integral sliding mode-based speed control method and device for permanent magnet synchronous motor |
| 08/07/2013 | CN101981805B Motor control device and electric power steering device |
| 08/06/2013 | US8504242 Motor controller and electronic power steering apparatus |
| 08/01/2013 | WO2013111383A1 Control device for alternating current rotary machine |
| 08/01/2013 | WO2013111357A1 Control apparatus for ac rotating machine, and electric power steering apparatus provided with said control apparatus |
| 08/01/2013 | WO2013111326A1 Motor drive circuit and permanent magnet synchronous motor |
| 08/01/2013 | WO2012175243A3 Determination of the rotor position of a synchronous machine |