| 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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| 01/08/2013 | US8350517 Applying a control unit to an asynchronous machine which is operated without a rotary encoder |
| 01/03/2013 | WO2013002043A1 Rotary electrical machine control device |
| 01/03/2013 | WO2013001634A1 Motor driving apparatus, vehicle provided with same, and method of controlling motor driving apparatus |
| 01/03/2013 | WO2012110883A3 Rotary electric machine driving system |
| 01/03/2013 | US20130002173 Traction motor controller with dissipation mode |
| 01/02/2013 | EP1400009B1 Extended speed range operation of permanent magnet brushless machines using optimal phase angle control in the voltage mode operation |
| 01/02/2013 | CN102857171A Multi-motor synchronous control system |
| 01/02/2013 | CN102857170A Multi-motor synchronous control system |
| 01/02/2013 | CN102857169A Control method to dual induction motor on the basis of single inverter with non-velocity sensor |
| 01/02/2013 | CN102857155A Buck-boost dual-motor parallel controller |
| 01/02/2013 | CN102856922A Synchronous generator parameter equivalent method for micro-grid connection simulation |
| 01/02/2013 | CN101984554B Method for starting motor without sensor |
| 01/02/2013 | CN101977009B Control method of sine wave linear motor for feed driving of high-precision numerical control machine |
| 01/02/2013 | CN101577522B Apparatus for carrying out improved control of rotary machine |
| 01/01/2013 | US8344680 Control apparatus of alternating-current motor |
| 01/01/2013 | US8344671 Speed controller of magnetic motor |
| 12/27/2012 | WO2012007396A3 Method and device for determining a momentary torque of an electronically switched electric machine and for regulating the average torque |
| 12/27/2012 | US20120326639 Sensorless Optimum Torque Control For High Efficiency Ironless Permanent Magnet Machine |
| 12/27/2012 | DE102012209036A1 Rotor-Temperaturabschätzung für ein elektrisches Fahrzeug Rotor temperature estimation for an electric vehicle |
| 12/26/2012 | EP2538547A1 Device and method for identifying mechanical parameters of an alternating current asynchronous motor without using a position sensor |
| 12/26/2012 | EP2537789A2 Method for determining the inertia factor of a motor assembly of a lift assembly |
| 12/26/2012 | CN102844979A Rotor phase/velocity estimation device for alternating-current motor |
| 12/26/2012 | CN102843096A Method of controlling N electrical level inverters |
| 12/26/2012 | CN102843093A Online calibrating method and device for rotor time constant of asynchronous motor and control system |
| 12/26/2012 | CN102843091A Judgment method for initial position of permanent magnet synchronous motor rotor |
| 12/26/2012 | CN102843090A Open-loop control method and open-loop control system of permanent magnet synchronous motor based on space vector pulse width modulation (SVPWM) |
| 12/26/2012 | CN102843089A Control method of permanent magnet synchronous motor (PMSM) for frequency conversion refrigerator |
| 12/26/2012 | CN102843088A Fuzzy sliding mode and neural network based composite control system of permanent synchronous motor |
| 12/26/2012 | CN102025313B Vector control method based on counter potential feedforward control |
| 12/26/2012 | CN101958675B Direct-current pre-excitation starting method for VVVF control of asynchronous motor under flux linkage control |
| 12/20/2012 | WO2012172237A1 Method and device for controlling a electric motor propulsion unit with decoupled controls |
| 12/20/2012 | US20120319629 Inverter device and control method thereof |
| 12/20/2012 | US20120319628 Method For Controlling A Machine Or An Electrical Load Supplied With Electric Power Over A Long Line |
| 12/19/2012 | CN102835024A Adjustment device and an electric drive of an elevator |
| 12/19/2012 | CN102835023A Rectifier based torsional mode damping system and method |
| 12/19/2012 | CN102832875A Control apparatus of AC motor and refrigerating and air conditioning apparatus using same |
| 12/19/2012 | CN102832874A System and method for controlling motor |
| 12/19/2012 | CN102832873A Drive method and drive circuit of permanent magnet synchronous motor |
| 12/19/2012 | CN102832872A Multi-level matrix frequency converter based speed-regulating control system of mine hoist |
| 12/19/2012 | CN102832871A Vector control based driving device of alternating current motor for pitch control system |
| 12/19/2012 | CN102185547B Method for controlling non-radial displacement transducer of multi-phase and single-winding bearingless motor |
| 12/19/2012 | CN102130647B Speed-sensor-less construction method for detecting rotating speed of bearing-less asynchronous motor |
| 12/19/2012 | CN101958685B Nonlinear inverse decoupling controller for bearingless synchronous reluctance motor and construction method thereof |
| 12/19/2012 | CN101496275B Drive and method |
| 12/12/2012 | CN202602588U Parameter identification control device of sensorless permanent magnet synchronous motor |
| 12/12/2012 | CN202602587U Motor controller using vector of dual-synchronous coordinate system |
| 12/12/2012 | CN102823127A Phase locked loop based torsional mode damping system and method |
| 12/12/2012 | CN102820845A System and method for estimating magnetic flow of asynchronous machine based on current model |
| 12/12/2012 | CN102820844A Vibration suppression method for flexible manipulators |
| 12/12/2012 | CN102820843A Converter parallel control method based on average power feedback |
| 12/12/2012 | CN102820740A Electric generator for a wind turbine, wind turbine and method of driving a wind turbine |
| 12/12/2012 | CN102163946B Winding speed regulating device for AC (alternating current) permanent magnet synchronous motors |
| 12/12/2012 | CN102025310B 马达控制装置 Motor control means |
| 12/12/2012 | CN101855824B Inverter device for washing machine |
| 12/11/2012 | US8332071 System and method enabling sensorless actuator |
| 12/11/2012 | US8330403 Method for determining the position of the flux vector of a motor |
| 12/11/2012 | US8330402 Alternating-current motor control apparatus |
| 12/06/2012 | WO2012164250A1 Motor control with voltage harmonic shaping |
| 12/06/2012 | US20120306411 Torque ripple suppression control apparatus and torque ripple suppression control method for rotating electrical machine |
| 12/05/2012 | EP2530829A2 Motor control unit and vehicle steering system |
| 12/05/2012 | EP2529462A2 Method for emulation of synchronous machine |
| 12/05/2012 | CN202586861U Alternating-current induction machine control system of electric vehicle |
| 12/05/2012 | CN102811015A Alternating current induction motor control system based on self-immunity to interference control |
| 12/05/2012 | CN102811014A System and method for realizing proportional integral (PI) regulator |
| 12/05/2012 | CN102811013A AC (alternating current) drive control system and method as well as voltage error measuring method of inverter of AC drive control system |
| 12/05/2012 | CN102811012A Field programmable gate array-based (FPGA-based) multi-axis servo motor current loop control system and control method |
| 12/05/2012 | CN101989827B Method for automatically adjusting speed loop control parameters of alternating-current servo system based on inertia identification |
| 12/05/2012 | CN101964625B Electric vehicle drive/traction integrated control structure and motion controlling method |
| 12/05/2012 | CN101816122B Restriction of output of electrical drive and protection of an elevator |
| 12/05/2012 | CN101657962B Controller for motor |
| 12/05/2012 | CN101295954B Torque estimator for IPM motors |
| 12/04/2012 | US8324847 Motor for washer, method for controlling the motor, and method for controlling the washer |
| 11/28/2012 | CN202565224U Controller of high-power AC asynchronous motor for directly-driven bus |
| 11/28/2012 | CN202565223U Novel alternating-current asynchronous motor controller for all-electric car |
| 11/28/2012 | CN202564969U Variable speed constant frequency double-rotor permanent magnetic wind generator grid combination control system |
| 11/28/2012 | CN102801382A Method for constructing five-freedom bearingless asynchronous motor support vector machine inverse controller |
| 11/28/2012 | CN101931362B Direct torque control device and method for permanent magnet synchronous motor |
| 11/28/2012 | CN101729016B Motor controller, motor control method and air conditioner |
| 11/28/2012 | CN101449456B Electromotor driving device and compressor driving device |
| 11/27/2012 | US8319461 Method and control system for controlling a brushless electric motor |
| 11/27/2012 | US8319459 Synchronous motor control method |
| 11/22/2012 | WO2012157039A1 Drive system for synchronous motor |
| 11/22/2012 | DE112010005230T5 Aufzugssteuerung Elevator control |
| 11/21/2012 | CN202550960U Simulation device of motor side converter |
| 11/21/2012 | CN102792580A Method and system for controlling a permanent magnet synchronous motor |
| 11/21/2012 | CN102792028A Controller-integrated motor pump |
| 11/21/2012 | CN102790584A Servo drive system and speed ring parameter setting system thereof |
| 11/21/2012 | CN102790583A Constructing method for internal model controller of radial generalized inverter of bearingless permanent magnet synchronous motor |
| 11/21/2012 | CN102790582A Manufacturing method of radial fuzzy neural network generalized inverse controller of bearingless asynchronous motor |
| 11/21/2012 | CN102790581A Constructing method for robust controller for radial position of bearingless asynchronous motor |
| 11/21/2012 | CN102790580A Constructing method for decoupling controller of support vector machine inverter of bearingless asynchronous motor |
| 11/21/2012 | CN102790579A Constructing method for decoupling controller of bearingless permanent magnet synchronous motor with five degrees of freedom |
| 11/21/2012 | CN102790578A Manufacturing method of bearingless asynchronous motor neural network generalized inverse decoupling controller |
| 11/21/2012 | CN102790577A Constructing method for suspended subsystem controller of bearingless permanent magnet synchronous motor |
| 11/21/2012 | CN102790576A Construction method for bearing-less permanent-magnet synchronous motor decoupling controller |
| 11/21/2012 | CN102790575A Control method and system for permanent magnet synchronous motor based on current prediction |
| 11/21/2012 | CN102790474A Method for detecting initial position of planar motor |
| 11/21/2012 | CN102035455B M/T speed measuring method for frequency converter |
| 11/21/2012 | CN101997475B Method and device for sampling motor phase current |
| 11/21/2012 | CN101931354B Identification and compensation method of servo system disturbance moment |