| 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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| 10/03/2012 | CN102710206A Variable-speed permanent-magnet alternator system and double-port voltage stabilization control method therefor |
| 10/03/2012 | CN102710205A Orientation control system and method for asynchronous motor |
| 10/03/2012 | CN102710204A Method for rejecting torque ripple of motor |
| 10/03/2012 | CN102710203A Permanent magnetic motor control device and permanent magnetic motor control method based on energy optimization |
| 10/03/2012 | CN102710202A Alternating-current synchronous servo driver and control algorithm thereof |
| 10/03/2012 | CN102710187A Multi-shaft cross coupling constant speed ratio control method of reverse roll coating system |
| 10/03/2012 | CN102055402B Rotation speed and parameter simultaneous identification method of induction machine |
| 10/02/2012 | US8278850 Methods, systems and apparatus for optimization of third harmonic current injection in a multi-phase machine |
| 10/02/2012 | US8278849 Controller for calculating electric power consumption of industrial machine |
| 09/27/2012 | US20120242260 Control method and control device of motor inverter |
| 09/27/2012 | DE102012204058A1 Steuerungsverfahren und steuerungsvorrichtung eines motorumrichters Control method and control device of a motor inverter |
| 09/27/2012 | DE102012100130A1 Method for current sensor-less controlling of electric motor of electrical power steering apparatus, involves successively calculating actual current values during sampling time of cyclic current calculation process |
| 09/26/2012 | EP2503047A1 Rotatable-drum laundry machine comprising an estimator system configured to estimate the motor-torque of a universal electric motor connected to the laundry drum, and operating method thereof |
| 09/26/2012 | CN202455310U Vector control variable-frequency governor |
| 09/26/2012 | CN202444814U Electric lawn trimmer |
| 09/26/2012 | CN102694499A Slip frequency vector control method for asynchronous motor |
| 09/26/2012 | CN102694498A Device and method for resisting rotor disturbance of permanent-magnet synchronous motor in zero-speed or extremely-low-speed state |
| 09/26/2012 | CN102694497A Wind driven generator torque control method and wind driven generator control system |
| 09/25/2012 | US8274247 Rotary electric machine control system |
| 09/25/2012 | US8274246 Inverter control device and AC motor control device using this inverter control device |
| 09/20/2012 | WO2012125272A1 Condition monitoring of mechanical drive train coupled with electrical machines |
| 09/20/2012 | WO2012125259A1 Method and system for controlling an electric motor with compensation for time delay in position determination |
| 09/20/2012 | WO2012123255A2 Control method implemented in a power converter and intended for identifying parameters linked to the magnetic saturation of an electric motor |
| 09/20/2012 | US20120235609 Motor control device |
| 09/20/2012 | DE112011100096T5 Steuerungsvorrichtung einer Motorantriebsvorrichtung Control device of a motor driving device |
| 09/20/2012 | DE112010003370T5 Steuerungsvorrichtung für eine Elektromotorantriebsvorrichtung Control device for an electric motor drive means |
| 09/20/2012 | DE112010000941T5 Steuerungsvorrichtung für eine drehende Elektromaschine A control apparatus for a rotating electrical machine |
| 09/19/2012 | EP2499737A1 Method for checking the plausibility of the torque of an electrical machine and machine controller for controlling an electrical machine and for carrying out the method |
| 09/19/2012 | EP2499736A1 Apparatus and method for generating electromagnetic torque in an electric machine |
| 09/19/2012 | CN202444460U Control system capable of realizing wind energy input by DFIG power calculation |
| 09/19/2012 | CN102684597A High-power alternating current (AC) asynchronous motor controller for direct driving type bus |
| 09/19/2012 | CN102684596A Novel alternating current asynchronous motor controller for pure electric car |
| 09/19/2012 | CN102684595A Self-anti-interference starting method for permanent magnetic synchronous motor |
| 09/19/2012 | CN102684594A Quick restart method for rotor side converter of doubly-fed wind generating set |
| 09/19/2012 | CN102684593A Method for designing universal motor drive controller of electric vehicle |
| 09/19/2012 | CN102684592A Torque and flux linkage control method for permanent synchronous motor |
| 09/19/2012 | CN102684591A Direct current (ZLDL) asynchronous motor |
| 09/19/2012 | CN102684576A Permanent magnet motor controller applied to pure electric car and control method |
| 09/19/2012 | CN102684209A Method for improving sub-synchronous oscillation (SSO) damping of thermal power plant by utilizing fan supplementary controller |
| 09/18/2012 | US8269437 Rotary electric machine control system |
| 09/18/2012 | US8269436 Motor control device |
| 09/13/2012 | US20120229056 Battery pack with safety device, control device and control method |
| 09/13/2012 | DE102012201574A1 Steuerungsvorrichtung für einen elektrischen Fahrzeugantriebsmotor und Fahrzeug mit demselben A control apparatus for an electric vehicle drive motor and with the same vehicle |
| 09/12/2012 | EP2498393A2 Device and method of stopping induction motor |
| 09/12/2012 | CN202435240U Vector control transducer |
| 09/12/2012 | CN102668361A Motor control apparatus and magnetic-pole position detection method therefor |
| 09/12/2012 | CN102664583A Observing method for rotor flux linkage in vector control system of induction motor |
| 09/12/2012 | CN102664582A Power generation control method of range-extended electric vehicle |
| 09/12/2012 | CN102664581A Torque ripple control system caused by direct current side secondary ripples of high speed trains |
| 09/12/2012 | CN102664580A Mixed smart control method of power system multi-stabilizer |
| 09/07/2012 | WO2012118649A1 System for controlling a motor |
| 09/05/2012 | CN202424614U Traction inverter control device |
| 09/05/2012 | CN102075127B Permanent magnet synchronous motor servo driving device and position control method thereof |
| 09/05/2012 | CN101779371B Motor controller for determining a position of a rotor of an AC motor, AC motor system, and method of determining a position of a rotor of an AC motor |
| 09/05/2012 | CN101755381B Converter apparatus, rotary electric machine controller and drive unit |
| 09/04/2012 | US8258728 Rotary electric machine control system |
| 08/30/2012 | US20120217910 Motor control device, control program therefor, and method for the control |
| 08/30/2012 | US20120217909 Synchronization of Position and Current Measurements in an Electric Motor Control Application using an FPGA |
| 08/30/2012 | US20120217908 Method and system for controlling an electric motor at or near stall conditions |
| 08/30/2012 | DE112010002407T5 Steuergerät für eine Elektromotorantriebsvorrichtung Control unit for an electric motor drive means |
| 08/29/2012 | EP2493068A2 Inverter control device and inverter control method |
| 08/29/2012 | EP2493067A1 Method and apparatus for estimating rotor angle of synchronous reluctance motor |
| 08/29/2012 | EP2493066A1 Method and apparatus for estimating rotor angle and rotor speed of synchronous reluctance motor at start-up |
| 08/29/2012 | CN202406083U Control device for three-level converter output voltage estimating method |
| 08/29/2012 | CN202406075U Motor control system of compressor of electric automobile air-conditioning system |
| 08/29/2012 | CN202405796U Composite full-power wind power converter |
| 08/29/2012 | CN102651630A Measurement method for stator flux linkage of doubly-fed alternating-current excitation generator |
| 08/29/2012 | CN102651629A On-line estimation method for permanent magnet flux linkage |
| 08/29/2012 | CN102651628A Method for restraining torsional vibration of rotor of motor closed-loop speed control system and circuit thereof |
| 08/29/2012 | CN102651627A Magnetic field reconstruction method for eliminating torque pulsation of doubly-fed induction motor |
| 08/29/2012 | CN101902192B Direct automatic control method of hybrid stepper motor |
| 08/29/2012 | CN101043196B Synchro motor drive device |
| 08/28/2012 | US8253360 Vector controlled motor drive system implementing pulse width modulated (PWM) waveforms |
| 08/23/2012 | WO2012111506A1 Motor control device |
| 08/23/2012 | WO2012111505A1 Motor control device |
| 08/23/2012 | WO2012111504A1 Motor controller |
| 08/23/2012 | WO2009082066A3 Motor controller of air conditioner |
| 08/23/2012 | US20120212163 Power conversion apparatus of electric vehicle |
| 08/23/2012 | US20120212162 Method and system for controlling an electric motor with compensation for time delay in position determination |
| 08/23/2012 | DE102011011804A1 Method for controlling electric machine utilized as e.g. main drive in seemless land vehicle e.g. passenger vehicle, involves orienting stator flux through magnets of machine and energized windings arranged in rotor and/or stator parts |
| 08/22/2012 | EP2319171B1 Direct power and stator flux vector control of a generator for wind energy conversion system |
| 08/22/2012 | CN202395717U Motor controller for vehicle |
| 08/22/2012 | CN102647145A Method for controlling direct-current (DC) frequency conversion air condition compressor |
| 08/22/2012 | CN102647144A Method and apparatus for estimating rotor angle of synchronous reluctance motor |
| 08/22/2012 | CN102647143A Degree of freedom (DOF) vibration isolating device of linear electric motor and motion control method thereof |
| 08/22/2012 | CN102647142A Current vibration suppression control system of high voltage inverter |
| 08/22/2012 | CN102647141A Voltage vector closed-loop compensation |
| 08/22/2012 | CN101964624B Sensorless control system of permanent magnet synchronous motor |
| 08/22/2012 | CN101567660B Motor control device and generator control device |
| 08/21/2012 | US8248007 Control apparatus and control method for AC motor |
| 08/21/2012 | CA2660380C Permanent magnet synchronization motor vector control device |
| 08/16/2012 | WO2012108079A1 Control apparatus for electric-powered power steering apparatus |
| 08/16/2012 | WO2012107665A2 Method and device for controlling a reluctance electric machine |
| 08/16/2012 | DE102012002983A1 System und Verfahren zum Umwandeln von Wechselstromleistung in Gleichstromleistung unter Verwendung einer sensorlosen feldorientierten Regelung System and method for converting AC power into DC power using a sensorless field-oriented control |
| 08/16/2012 | DE102011056493A1 Method for electroless sensorless control of electric motor of auxiliary or external power steering system of motor car, involves calculating voltages in system for computation of currents, from terminal voltages |
| 08/15/2012 | EP2487785A2 Power converter with common mode voltage reduction |
| 08/15/2012 | CN202385048U AC servo driver based on IRMCK201 |
| 08/15/2012 | CN102638217A Method for calibrating parameters of motor controller without position sensor |
| 08/15/2012 | CN102638216A Method for starting motor without position sensor |
| 08/15/2012 | CN102638215A Vector control system for speedless sensor of induction motor of electric automobile |