Patents
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)
12/2008
12/24/2008CN101331673A Motor driving device and car provided with the same
12/24/2008CN101330275A Induction motor drive unit, motor drive system, and elevating system
12/24/2008CN101330271A Method and system for synchronous modulation of closed-loop base on space vector
12/24/2008CN101330270A Motor control device and compressor
12/24/2008CN101328897A Method for determining the temperature of the delivery fluid of a centrifugal pump
12/23/2008CA2322539C Motor controller
12/18/2008WO2008152929A1 Motor control device and its control method
12/18/2008US20080309270 Motor controller and electric power steering apparatus
12/18/2008US20080309266 Device for Controlling a Rotating Electrical Machine
12/18/2008US20080309265 Motor Control Device
12/17/2008CN101326708A Control apparatus and method for motor drive system
12/17/2008CN101325395A Method and system for torque control in permanent magnet machines
12/17/2008CN100444515C Voltage decoupling variable-frequency control vector controlling method with parameter self-regulating function
12/11/2008WO2008149638A1 Brushless motor
12/11/2008WO2008149414A1 Power conversion device and motor driving method
12/11/2008US20080303476 Electric motor control device
12/10/2008EP2001122A2 Electric motor control device
12/10/2008EP1874669B1 Control system for controlling the speed of a passenger conveyor
12/10/2008CN101320955A Electric motor control device
12/09/2008US7463006 Motor and drive control device therefor
12/09/2008US7463005 Method and device for sensorless vector control for AC motor
12/04/2008WO2008147016A1 Motor driver system and method for controlling motor driver
12/04/2008WO2008146598A1 Sensor-less control device for permanent-magnet synchronous electric motor
12/04/2008US20080300820 Method and system for estimating rotor angular position and rotor angular velocity at low speeds or standstill
12/04/2008US20080297099 Motor controller, washing machine, and motor control method
12/04/2008US20080297080 Hand-Guided or Stationary Power Tool Having a Drive Unit
12/04/2008US20080297078 Motor Control Device
12/04/2008US20080297077 Motor drive control device, motor drive control method and electric power steering device using motor drive control device
12/04/2008DE10344914B4 Steuerungsalgorithmus für eine AC-Maschine ohne Positionssensor Control algorithm for an AC machine without position sensor
12/03/2008EP1998435A2 Method and system for estimating rotor angular position and rotor angular velocity at low speeds or standstill
12/03/2008EP1997714A1 Electric power steering device
12/03/2008EP1997713A2 Motor controller and electric power steering apparatus
12/03/2008CN101316093A Constant slip frequency vector control method and system for linear induction motor
12/03/2008CN100440720C Mixed speed regulating method for permanent magnetic synchronous motor
12/02/2008US7459879 Motor controller
11/2008
11/27/2008WO2008142756A1 Apparatus and method for controlling permanent magnet synchronous motor, and program
11/27/2008US20080290826 Motor Controller
11/27/2008DE102008021425A1 Verfahren und System zur Ausrichtung eines Resolvers in einem Elektromotorsystem Method and system for alignment of a resolver in an electric motor system
11/26/2008EP1995869A2 Synchronous motor control device and method for optimizing synchronous motor control
11/26/2008EP1504523B1 Method and device for the sensor reduced regulation of a permanent magnet excited synchronous machine
11/26/2008CN201156718Y Vector control apparatus of series connection type high-voltage frequency transformer of power unit
11/26/2008CN101312333A Power converter
11/26/2008CN100438321C Motor drive unit
11/26/2008CN100438320C Power converter
11/26/2008CN100436823C Compressor internal state estimating device and air conditioner
11/26/2008CN100435713C External magnetic field driving system of in vivo microrobot
11/25/2008US7456537 Control system for bearingless motor-generator
11/20/2008WO2008138864A1 Method and device for operating a control unit for controlling an electrical machine
11/20/2008WO2008138663A1 Method and device for limiting motor current
11/20/2008US20080284364 Electronically commutated asynchronous motor
11/20/2008DE102008018843A1 Elektronisch kommutierter Asynchronmotor Electronically commutated asynchronous motor
11/20/2008DE102007022515A1 Verfahren und Vorrichtung zum Betreiben einer Steuereinheit zur Ansteuerung einer elektrischen Maschine Method and apparatus for operating a control unit for controlling an electrical machine
11/13/2008WO2008135138A1 Method and device for determining the motor constant of an electric motor
11/13/2008DE112006001604T5 Stromwandlungssteuervorrichtung, Stromwandlungssteuerverfahren und Stromwandlungssteuerprogramm Power conversion controller and power conversion control method and power conversion control program
11/13/2008DE102008020786A1 Feldschwächungs-Steuervorrichtung für Permanentmagnetmotor und elektrische Servolenkung, die diese verwendet Field weakening control apparatus for a permanent magnet motor and the electric power steering apparatus that uses this
11/13/2008DE102008013799A1 Verfahren und System zur Steuerung von Permanentmagnet-AC-Maschinen Method and system for control of permanent magnet AC machines
11/12/2008EP1990907A2 Method of a closed loop control for a step motor, vector control based rotor position determination, detection of a rotor stall condition and a rotor step out condition
11/12/2008EP1645032B1 Sensorless control method and apparatus for a motor drive system
11/12/2008CN101304233A Coiling type asynchronous motor rotor voltage/frequency synchronous tracking timing control system
11/12/2008CN100433536C Voltage space vector-based modulation method
11/05/2008CN101300733A System and method for parallel control of variable frequency drives
11/05/2008CN101299590A Anti-windup control for a current regulator of a pulse width modulation inverter
11/05/2008CN101299589A Stepper motor movement controller based on DDS technique
11/05/2008CN101299580A Cooperative controller for two-motor vector control frequency control system and construction method thereof
11/05/2008CN100431257C Method and device for the sensor reduced regulation of a permanent magnet excited synchronous machine
11/05/2008CN100430308C Elevator control device
10/2008
10/30/2008WO2008129904A1 Controller for motor
10/30/2008US20080265815 Harmonic processor
10/29/2008EP1986318A2 Motor control device
10/29/2008EP1986317A1 Stator resistance adaptation in sensorless PMSM drives
10/29/2008EP1985476A1 Electromagnetic suspension device
10/29/2008EP1985007A1 Method and device for operating a synchronous machine
10/29/2008CN201142658Y Motor drive device of washing and drying machine
10/29/2008CN101297471A 电动机驱动系统 The motor drive system
10/29/2008CN101295955A Motor control device
10/29/2008CN101295954A Torque estimator for IPM motors
10/29/2008CN101295953A Field weakening control apparatus for permanent magnet motor and electric power steering using same
10/28/2008US7443120 Field weakening vector controller for permanent magnet synchronous motor and control module
10/22/2008EP1649592B1 Motor drive apparatus capable of accurately estimating demagnetization of permanent magnet motor
10/22/2008CN101291131A Control system for synchronous electric motor
10/22/2008CN101291130A Synchronous modulation method and system based on space vector
10/15/2008EP1981164A2 Motor control device
10/15/2008EP1981163A2 Controller of electric motor
10/15/2008EP1981162A2 Controller of electric motor
10/15/2008EP1980864A1 Residual magnetic flux determining apparatus
10/15/2008CN101286727A 电动机控制装置 A motor control unit
10/15/2008CN101286725A Deriving method of motor rotative velocity and location of rotor in synchronous electric machine vector control system
10/15/2008CN101286724A Direct torque control method for permanent magnetic synchronous electric machine
10/15/2008CN100426648C Method for driving induction motor
10/09/2008WO2008120580A1 Motor control device, and magnetic pole position estimation precision confirming method
10/09/2008US20080246425 Controller for motor
10/08/2008CN201128637Y Active unwinding device
10/08/2008CN100424989C Deadbeat control method and control unit for an asynchronous rotary electrical machine and a storage medium therefor
10/08/2008CN100424980C Apparatus for compensating for speed error of motor
10/02/2008WO2008117497A1 Permanent magnet rotary electric machine and permanent magnet motor drive system
10/02/2008WO2008008486A3 Signal conditioning apparatus and method for determination of permanent magnet motor rotor position
10/01/2008WO2008004419A1 Motor control device and vehicle using the same
10/01/2008CN100423446C Vector controller for permanent magnet synchronous motor
10/01/2008CN100423445C Controller for AC motor and ac motor system
10/01/2008CN100422758C Device for determining constant of rotating machine
1 ... 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 ... 72