| Patents for H02P 23 - Arrangements or methods for the control of ac-motors characterised by a control method other than vector control (5,487) |
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| 12/01/2010 | CN101902197A Speed regulating method and control system of multi-speed single-phase asynchronous motor |
| 12/01/2010 | CN101902196A Motor control apparatus |
| 12/01/2010 | CN101899764A Motor driver for washing machine |
| 12/01/2010 | CN101034868B Motor control method and motor control apparatus |
| 11/25/2010 | US20100295500 Torque production in an electric motor in response to current sensor error |
| 11/25/2010 | US20100295494 Electric motor drive device and method of controlling the same |
| 11/25/2010 | DE102009058443A1 Trägheitsschätzsteuerungseinrichtung und Steuerungssystem Inertia estimation control device and control system |
| 11/24/2010 | CN201656905U Speed regulating system of a slip power feedback type asynchronous motor with large power and medium-high voltage |
| 11/24/2010 | CN201656902U Cascade speed control device |
| 11/24/2010 | CN201656901U Energy saver of three-phase asynchronous motor |
| 11/24/2010 | CN101897114A Method and device for operating an electric drive with the aid of a phase angle control |
| 11/24/2010 | CN101895252A Automatic regulating apparatus for controller parameters of servo driver of motor and method thereof |
| 11/24/2010 | CN101895251A Pan/tilt motor current-limiting control circuit |
| 11/24/2010 | CN101895244A Torque production in an electric motor in response to current sensor error |
| 11/23/2010 | CA2298751C Polyphase ac machine controller |
| 11/18/2010 | WO2010130989A1 Apparatus and method for determining speed of an induction motor |
| 11/18/2010 | DE102009020505A1 Method for operating synchronous motor, involves transmitting values stored in memory to regulation unit of control system as actual values for detecting angle positions of rotor of electric motor during normal operation |
| 11/11/2010 | US20100283423 Electric motor control algorithm with bypass relay |
| 11/11/2010 | US20100283418 Wide dynamic range motor control system and method |
| 11/11/2010 | DE102010002698A1 Motor-Steuerungssystem zur Erzielung eines Spitzen-Drehmoments Motor control system to achieve a peak torque |
| 11/11/2010 | DE102009017090A1 Verfahren zur Ermittlung von Reglerparametern einer Regelungseinrichtung zur Antriebsregelung eines Antriebssystems Procedure for the determination of controller parameters of a control device for drive control of a drive system |
| 11/10/2010 | CN101884165A Method for analysing the operation of an electromechanical actuator for the powered manoeuvre of a screen, and actuator for implementing same |
| 11/04/2010 | WO2010126215A1 Method for controlling cable winder |
| 11/04/2010 | DE112008003586T5 Verfahren und Systeme, die das Bestimmen einer Wellengeschwindigkeit umfassen Methods and systems which comprise determining a shaft speed |
| 11/03/2010 | CN201623678U Automatic speed regulating device of radiating fan based on single chip microcomputer PWM |
| 10/28/2010 | US20100270964 Method for driving a pulse width modulated controller |
| 10/28/2010 | DE102009018665A1 Drive system for driving axle shaft in technical plant, has drive device to drive element to be driven in drive motion, where drive motion does not take place through simulation modes, and reaction of device is simulated to preset value |
| 10/27/2010 | EP1985008B1 Motor drive device and control method thereof |
| 10/27/2010 | CN201616805U 一种用于异步电机的相控节电控制电路 Phased-saving control circuit for asynchronous motors |
| 10/27/2010 | CN101001032B Apparatus for transferring power having a motor |
| 10/26/2010 | US7821224 Voltage estimation feedback of overmodulated signal for an electrical vehicle |
| 10/26/2010 | US7821216 Motor control method and control device |
| 10/21/2010 | DE102009002410A1 Electric motor i.e. direct current motor, is formed from constructional components, where motor is constructionally provided such that frequency response of its complex resistance is same as frequency characteristic of motor |
| 10/20/2010 | CN101336511B Motor drive device and control method thereof |
| 10/14/2010 | US20100259136 Rotary electric machine and driving controller for rotary electric machine |
| 10/14/2010 | DE202010010142U1 Parametriergerät für einen Rohrmotor Parametrization for a tubular motor |
| 10/13/2010 | CN201608684U 碎纸机及其低噪声串激电机碎纸电路 Shredders and shredding low noise series motor circuit |
| 10/13/2010 | CN201608683U 一种三相力矩电机调压器 A three-phase torque motor regulator |
| 10/13/2010 | CN101860316A Self-adaptive load following control technical system |
| 10/13/2010 | CN101860315A Motor control system for achieving peak torque |
| 10/12/2010 | US7812564 Blower and electric device with such blower mounted thereon |
| 10/07/2010 | WO2010112258A2 Synchro drive comprising an electric machine |
| 10/07/2010 | US20100253262 Control system for an electric machine |
| 10/07/2010 | US20100253260 Motor drive control device |
| 10/07/2010 | US20100253259 Driving Method and Related Driving Device for a Motor |
| 10/07/2010 | US20100253253 Motor driving apparatus |
| 10/07/2010 | DE102009015105A1 Verfahren zum Betrieben einer Elektromaschine und Vorrichtung zur Durchführung des Verfahrens A method for operating an electric machine and apparatus for carrying out the method |
| 10/07/2010 | DE102009002002A1 Drehfeldantrieb mit einer Elektromaschine Rotating field drive with an electric motor |
| 10/07/2010 | DE102008054197A1 Steuerungssystem und Steuerungsverfahren zum geberlosen Betrieb von Asynchronmaschinen Control system and control method for sensorless operation of asynchronous |
| 10/06/2010 | EP2235818A2 Method for ascertaining a correction value for the angle of the rotor of an electrically commuted reversible synchronous motor |
| 10/06/2010 | CN201601652U 衣车节电器 Sewing Saver |
| 10/06/2010 | CN201601651U 一种电动机轻载节能器 A motor energy saver light load |
| 10/06/2010 | CN201601650U 高精度交流信号模数转换检测电路 Analog to digital conversion precision AC signal detecting circuit |
| 10/06/2010 | CN201601649U 数字交流伺服驱动器手持调试仪 Handheld digital AC servo drive Commissioning Instrument |
| 10/06/2010 | CN101854145A Automatic voltage-regulating three-phase motor power saver |
| 10/06/2010 | CN101034865B Motor controller and motor control method |
| 10/05/2010 | US7808203 Motor control device |
| 09/30/2010 | US20100245409 Motor control device, image forming apparatus, and motor control method |
| 09/29/2010 | EP2234267A2 Sensorless-brushless motor control device and electric fluid pump using the same |
| 09/29/2010 | EP2232698A1 Electric motor |
| 09/29/2010 | CN101847963A Motor rotation control system |
| 09/29/2010 | CN101847960A Novel switched reluctance motor servo system |
| 09/29/2010 | CN101847957A Voltage-reducing and electricity-saving controller of motor |
| 09/29/2010 | CN101594115B Energy-saving device and method applied to numerical control system |
| 09/29/2010 | CN101552589B Relay feedback based AC servo system automatic setting method |
| 09/28/2010 | US7804269 Control of an electrical machine |
| 09/23/2010 | US20100237814 Method for controlling brushless dc motor |
| 09/22/2010 | CN101841300A System and method for monitoring and controlling stator winding temperature in a de-energized AC motor |
| 09/21/2010 | US7801434 Focus controller and optical apparatus using the same |
| 09/16/2010 | US20100231146 Induction motor torque control in a pumping system |
| 09/15/2010 | CN101510750B Device and method for detecting initial position angle of double fed electric machine rotor |
| 09/10/2010 | WO2010099989A1 Method and device for the angle sensor-free position detection of the rotor shaft of a permanently excited synchronous machine based on current signals and voltage signals |
| 09/08/2010 | EP2226930A1 Method for regulating a motor with various operating speeds |
| 09/08/2010 | CN201577061U Electric machine control device of a mine hoist |
| 09/08/2010 | CN201577060U Automatically-tracing liquid resistant speed-governing cabinet for polar plate |
| 09/08/2010 | CN201577059U Cycle wave controller of motor |
| 09/08/2010 | CN101826835A Intelligent crane rotor speed regulation control device |
| 09/02/2010 | US20100219786 Method and apparatus for determining a field current in brushless electrical machines |
| 09/01/2010 | CN101820246A Servo parameter tuning method and system |
| 08/26/2010 | US20100213886 Energy-saving controller for three-phase induction motors |
| 08/26/2010 | US20100213883 Variable-delay-time control system for a motor |
| 08/25/2010 | CN101814894A Serial port communication mode programming system for a cooling fan and a method thereof |
| 08/25/2010 | CN101540582B Motor economic operation controller |
| 08/25/2010 | CN101383590B Dragging device with high starting performance induction motor and frequency transformer cooperatively running |
| 08/19/2010 | WO2010092238A1 Energy efficiency observer |
| 08/18/2010 | CN101807877A Control method for matrix frequency converter during supply of DC source |
| 08/18/2010 | CN101807784A Solar ice coating resistant device of overhead transmission line |
| 08/17/2010 | US7777443 Method for providing energy saving service, method for deciding specification of electric motor, method for providing compressor version-up service, method for providing energy service using drive device for permanent magnet electric motor, compressor exchange method, and freezing/air conditioning device |
| 08/17/2010 | US7777442 Method of controlling the speed of an electric motor |
| 08/12/2010 | WO2010047473A9 Apparatus and method for controlling vibration motor |
| 08/12/2010 | US20100201304 Method for controlling a rotary electric machine in case of load shedding and corresponding power control module |
| 08/11/2010 | EP2216896A2 Torque oscillation monitoring |
| 08/11/2010 | EP2216221A1 Electromechanical step-less hybrid numerically controlled variator |
| 08/11/2010 | CN201550077U 10kV digital high-voltage stator voltage-regulating and speed-regulating device |
| 08/11/2010 | CN201550076U Intelligent alternating electromagnetic induction motor control protector |
| 08/11/2010 | CN201550075U Servo parameter setting device |
| 08/11/2010 | CN201550074U H-bridge based controller realizing circular magnetic field of motor air gap |
| 08/11/2010 | CN1992508B 编码器 Encoder |
| 08/11/2010 | CN101803137A Earth leakage detection circuit |
| 08/11/2010 | CN101800506A Switched reluctance motor servo system |