| 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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| 04/20/2011 | CN102025311A Motor control device |
| 04/20/2011 | CN102025310A 马达控制装置 Motor control means |
| 04/20/2011 | CN102025302A Method and apparatus for low speed permanent magnet motor operation |
| 04/20/2011 | CN101594114B Method for determining initial position angle of rotor of permanent magnet synchronous motor |
| 04/19/2011 | US7928675 Feedback control method and apparatus for electric motor |
| 04/14/2011 | US20110084634 Motor apparatus including Lundell motor having Lundell-type rotor |
| 04/13/2011 | CN201797479U Refrigeration house door control system |
| 04/13/2011 | CN102017395A Inverter control device and power conversion device |
| 04/13/2011 | CN102013870A Inverse system decoupling controller of five-degree-of-freedom bearingless synchronous reluctance motor |
| 04/13/2011 | CN102013869A Current control device and method of alternating current asynchronous motor |
| 04/13/2011 | CN102013698A Novel control method of double-feed wind-driven generator converter |
| 04/13/2011 | CN101625172B Refrigerating device |
| 04/07/2011 | WO2011040159A1 Control device for an electric motor drive device |
| 04/07/2011 | DE10344024B4 Amplitudendetektionsverfahren und Amplitudendetektionseinrichtung für Sensorlose Hochfrequenz-Impedanznachführungsalgorithmen Amplitude detection method and amplitude detecting means for sensor A high frequency Impedanznachführungsalgorithmen |
| 04/07/2011 | DE102010021488A1 Method for copper loss-optimal control and/or regulation of asynchronous machine, involves computing and defining control value of regulator and adapting voltage vector to regulator over control value |
| 04/06/2011 | EP2306633A2 Motor drive device |
| 04/06/2011 | EP2306105A1 Air conditioner, air conditioner manufacturing method, and compressor |
| 04/06/2011 | EP2304508A1 Method for determining the position of the drive of an electric machine such as a motor from the applied current and device for carrying out the method |
| 04/06/2011 | EP2303744A2 Method for setting the speed loop of a speed variator |
| 04/06/2011 | CN102007678A Converter control method |
| 04/06/2011 | CN102006010A Variable frequency driving control method and device for high-power mine hoist |
| 04/06/2011 | CN102006001A Oscillation starting control method for thermo-acoustic engine |
| 04/06/2011 | CN102005876A Paratactic structure hybrid excitation synchronous machine (HESM) and alternating current excitation control system thereof |
| 04/06/2011 | CN102005843A Brushless double-fed wind driven generator and method for controlling brushless double-fed wind driven generating system |
| 04/06/2011 | CN102005782A Grid connection control method of double-fed wind-driven generator |
| 04/06/2011 | CN101783636B Motor rotor position estimation method and motor drive control method |
| 04/06/2011 | CN101459407B Initial position detection method for permanent magnet synchronous electric motor rotor |
| 04/06/2011 | CN101373948B Motor controller, washing machine, and motor control method |
| 04/06/2011 | CN101262162B Fuel engine servo loading device and its dynamic optimization operation control method |
| 04/05/2011 | US7919945 Synchronized vibration device for haptic feedback |
| 03/31/2011 | US20110074320 Control device for electric motor drive device |
| 03/31/2011 | DE102010037541A1 Mehrphasendrehmaschinensteuervorrichtung und ein diesselbe verwendendes Servolenksystem Multiphase rotary machine control device and a same-use power steering system |
| 03/31/2011 | DE102010030875A1 Control system for alternating current electric machine e.g. interior permanent magnet machine used in hybrid vehicle, multiplies gain to adjusting current command signal based on torque and limited current command signals |
| 03/30/2011 | CN101997475A Method and device for sampling motor phase current |
| 03/30/2011 | CN101997474A Motor controller for vehicle |
| 03/30/2011 | CN101997473A Method for noise reduction control of servo controller |
| 03/30/2011 | CN101997470A Adaptive passivity-based control (PBC) method for doubly-fed induction wind driven generator |
| 03/30/2011 | CN101997466A Estimating rotor angular position and velocity and verifying accuracy of position sensor outputs |
| 03/30/2011 | CN101335499B Controlling method of 4 phase permanent magnet fault tolerant motor |
| 03/24/2011 | WO2009138821A9 Method and apparatus for control of an ac electric motor with field weakening |
| 03/24/2011 | US20110068723 System For Operating DC Motors And Power Converters |
| 03/24/2011 | US20110068722 Open-Loop or Closed-Loop Control Method for a Converter |
| 03/24/2011 | DE102007025210B4 Motorsteuerung und Motorsteuerungsverfahren Motor control and motor control method |
| 03/23/2011 | EP2297844A1 Method and apparatus for control of electrical machines |
| 03/23/2011 | CN101989831A Control device of induction motor and application thereof |
| 03/23/2011 | CN101989827A Method for automatically adjusting speed loop control parameters of alternating-current servo system based on inertia identification |
| 03/22/2011 | US7911170 Sensorless measurement of the rotation frequency of a rotor of an asynchronous machine |
| 03/22/2011 | US7911165 Device for controlling an electromechanical actuator |
| 03/17/2011 | US20110062903 Motor control device and electrical equipment provided with the same |
| 03/17/2011 | US20110062902 Method and apparatus for low speed permanent magnet motor operation |
| 03/17/2011 | DE102009039672A1 Verfahren zur Bestimmung der Rotorlage einer feldorientiert betriebenen Synchronmaschine Method for determining the rotor position of a synchronous machine field-oriented |
| 03/16/2011 | EP2296264A1 Motor control device and vehicle-steering device comprising same |
| 03/16/2011 | EP2294688A1 Method for determining the inductances of a permanent magnet synchronous machine |
| 03/16/2011 | CN101986798A Method and system for braking an AC motor |
| 03/16/2011 | CN101986552A Rotor current control method of double-fed wind driven generator under power grid faults |
| 03/16/2011 | CN101478283B Dual feedback asynchronous wind power generator rotor side inverter control method under unbalanced electric grid voltage |
| 03/16/2011 | CN101355338B Motor control device |
| 03/15/2011 | US7906923 Control apparatus for reluctance type synchronous motor |
| 03/10/2011 | WO2011027933A1 Pid controller for controlling the motion of a motor and a control method thereof |
| 03/09/2011 | EP2293428A1 Motor control device and electric power steering device |
| 03/09/2011 | EP2292929A2 Control system for an electrical generator and method for controlling an electrical generator for a wind turbine |
| 03/09/2011 | CN101984554A Method for starting motor without sensor |
| 03/09/2011 | CN101984553A Voltage vector selection method and multi-motor synchronous control system established by same |
| 03/09/2011 | CN101383583B Motor controller and washing machine |
| 03/09/2011 | CN101356721B Motor control device and vehicle using the same |
| 03/08/2011 | US7902790 Induction motor drive unit, motor drive system, and elevating system |
| 03/03/2011 | WO2011024935A1 Anomaly detection device for a permanent magnet synchronous electric motor |
| 03/02/2011 | EP2290807A2 Driving system of permanent magnet synchronous motor |
| 03/02/2011 | EP2290806A2 Control apparatus for synchronous motor |
| 03/02/2011 | EP2290805A1 A space vector based synchronous modulating method and system |
| 03/02/2011 | EP2290804A1 Motor control device |
| 03/02/2011 | CN101982918A Direct driving wind power generation system based on double SVPWM current mode convertor and control method thereof |
| 03/01/2011 | US7898199 Controller for motor |
| 03/01/2011 | US7898197 Motor control device |
| 03/01/2011 | CA2526345C Method and system for optimizing downhole fluid production |
| 02/24/2011 | WO2010077766A3 Method and systems for an engine starter/generator |
| 02/24/2011 | US20110043144 Motor controller and electric power steering system |
| 02/24/2011 | DE102010030210A1 Verfahren und Vorrichtungen zur Diagnose von Statorwicklungen in einem elektrischen Motor Methods and devices for the diagnosis of stator windings in an electric motor |
| 02/23/2011 | CN101981808A 电动机控制装置 Motor control means |
| 02/23/2011 | CN101981805A Motor control device and electric power steering device |
| 02/23/2011 | CN101981804A Motor control device and electric power steering device |
| 02/22/2011 | US7892140 Vehicle and control method of vehicle |
| 02/16/2011 | EP2284986A1 Inverter control device and power conversion device |
| 02/16/2011 | EP2283572A2 Open-loop or closed-loop control method for a converter |
| 02/16/2011 | CN101978594A Servo motor position control device |
| 02/16/2011 | CN101978593A Control device and control method for vehicle |
| 02/16/2011 | CN101977012A Method and device for directionally controlling wheels in sensorless magnetic field |
| 02/16/2011 | CN101977011A Control method of double-fed induction generator under power grid voltage three-phase symmetrical drop fault |
| 02/16/2011 | CN101977010A Brushless double-fed wind driven generator decoupling method based on active-disturbance-rejection control (ADRC) technology |
| 02/16/2011 | CN101977009A Control method of sine wave linear motor for feed driving of high-precision numerical control machine |
| 02/16/2011 | CN101977008A Judgment method of key sensor fault of double-fed wind generating set |
| 02/16/2011 | CN101977006A Method for controlling double-fed wind driven generator in power grid faults |
| 02/16/2011 | CN101341651B Motor-driven control device and motor-driven control method |
| 02/15/2011 | CA2542916C Vector controller for induction motor |
| 02/10/2011 | US20110031909 Motor drive apparatus and motor drive method |
| 02/10/2011 | DE112009000680T5 Servomotor-Positions-Regelvorrichtung Servo motor position control device |
| 02/09/2011 | EP2282401A1 Motor control device, and electric steering device |
| 02/09/2011 | CN201742366U Controller of induction motor of speed-less sensor |
| 02/09/2011 | CN1927686B Elevator control device |
| 02/09/2011 | CN101971482A Applying a control unit to an asynchronous machine which is operated without a rotary encoder |