| Patents for H02P 5 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors (4,788) |
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| 12/12/2012 | CN101640462B Asynchronous AC induction electrical machines in cross-interlockingly parallel connection |
| 12/06/2012 | WO2012164740A1 Multi-axis motor driving system and multi-axis motor driving apparatus |
| 12/06/2012 | DE102012102864A1 Motoransteuer-Regelsystem, das es erlaubt, eine Gleichstrom/Wechelstrom-Umformvorrichtung anzuschließen Motor drive control system that allows you to connect a DC / of AC and reshaping |
| 12/05/2012 | CN102142799B Silicon controlled stator voltage-regulation and speed-regulation parallel operation electric control system |
| 12/05/2012 | CN102064615B System and method for controlling magnetic field tracking servo mechanism |
| 12/05/2012 | CN101729000B Servo motor controlling device |
| 12/04/2012 | US8324848 System for maintaining thermal stability of a motion stage |
| 12/04/2012 | US8324843 Circuit arrangement for the selective operation of at least two electric machines |
| 12/04/2012 | US8324747 Starting method for brushless wound field starter-generator without rotating diode rectifier |
| 12/04/2012 | US8322475 Electric motor drive apparatus and vehicle including the same |
| 11/29/2012 | WO2012160874A1 Motor control device |
| 11/29/2012 | US20120299513 Vehicle with both asynchronous and synchronous electric drives |
| 11/29/2012 | US20120297819 Methods and systems for providing combined blower motor and draft inducer motor control |
| 11/28/2012 | CN202565214U Alternating current frequency conversion speed regulation control box for coal mine underground coal mining machine |
| 11/28/2012 | CN102801373A Motor driving system and method |
| 11/28/2012 | CN102801372A Method for controlling mechanically commutated electric motor |
| 11/28/2012 | CN102800421A Control system for repair rewinding machine for cable |
| 11/28/2012 | CN101902185B Systems for controlling operation of two alternating current (AC) machines |
| 11/28/2012 | CN101295957B Hybrid motor boost system and method |
| 11/27/2012 | US8320750 Method for improving cooling capacity of a power station direct air-cooling system and the cooling system thereof |
| 11/21/2012 | CN101917086B Motor device |
| 11/21/2012 | CN101192802B Spinning machine with electric drive |
| 11/14/2012 | CN202535299U Mining explosion-suppression safety-type crane-controlled combined vacuum electromagnetic starter |
| 11/14/2012 | CN202531205U Intelligent local ventilation system in pit of coal mine |
| 11/14/2012 | CN102780432A Multi-phase permanent magnet brushless direct current square wave motor capable of replacing Z4 series motors |
| 11/14/2012 | CN102778600A Method and device for calibrating current measurement in a driving system with a plurality of driving motors |
| 11/14/2012 | CN101976933B Electromagnetic ultrasonic compound motor and control method thereof |
| 11/14/2012 | CN101753093B Motor driver and method for swap data in the motor driver |
| 11/13/2012 | US8310176 Traction control for DC electric motor |
| 11/08/2012 | DE102011075382A1 Method for adjusting phase current measuring units in drive system with multiple electric-motor drive units, involves adding drive units with multi-phase drive motor and supplying common supply line with electrical energy |
| 11/07/2012 | CN202524346U Double-servo driving device |
| 11/07/2012 | CN102769419A Centralized motor controller convenient in configuring motor |
| 11/07/2012 | CN102769418A Centralized motor controller for controlling a plurality of motors |
| 11/07/2012 | CN102769417A Method and device for controlling multi-motor variable-frequency drive of belt conveyor |
| 11/07/2012 | CN101162842B Operating electrical machines from a DC link |
| 11/06/2012 | US8305025 Methods and apparatus for controlling multiple A.C. induction machines from a single inverter |
| 10/31/2012 | CN102761299A Hybrid drive control system of automated guided vehicle |
| 10/30/2012 | US8299734 High efficiency roller shade |
| 10/30/2012 | CA2654554C Motor driving system and controlling method of the same |
| 10/26/2012 | WO2012144002A1 Motor voltage conversion control apparatus |
| 10/25/2012 | US20120268049 System for Driving Elongated Electric Machines |
| 10/24/2012 | EP2514089A1 System for driving elongated electric machines |
| 10/24/2012 | CN102754329A Elevator control device |
| 10/24/2012 | CN102753841A Electro-hydraulic drive system for a work machine |
| 10/24/2012 | CN102751920A Method for identifying and controlling two-induction-motor synchronous system |
| 10/23/2012 | US8292593 System for minimizing mechanical and acoustical fan noise coupling |
| 10/18/2012 | US20120265390 Controller Assemblies For Electric Drive Utility Vehicles |
| 10/18/2012 | DE102012007018A1 Motor controlling apparatus for converting alternating current electric power into direct current electric power for controlling motor of servo system, has rectifier control section transmitting information form numerical control section |
| 10/17/2012 | CN202495900U IGBT dc chopping speed-regulating controller of electric locomotive |
| 10/17/2012 | CN202495899U DTS double-motor controller |
| 10/17/2012 | CN102739130A 电动机控制装置 A motor control unit |
| 10/17/2012 | CN102739129A Motor drive control system enabling connection of direct current/alternating current conversion device |
| 10/11/2012 | US20120256567 Motor drive control system enabling connection of direct current/alternating current conversion device |
| 10/11/2012 | US20120256566 Industrial Control System with Distributed Motion Planning |
| 10/11/2012 | US20120256565 Method for Installing Actuation Mechanism for Extending and Retracting Retractable Room for Recreational Vehicle |
| 10/10/2012 | CN202488401U Power-grid driven energy-saving device for oil rig |
| 10/10/2012 | CN202488388U Suspension conveying chain multiple-motor synchronous control system |
| 10/10/2012 | CN102725956A Motor control device |
| 10/10/2012 | CN102723903A Time sequence single-phase-control three-unit three-phase asynchronous motor device and method thereof |
| 10/10/2012 | CN102723296A XY motion platform driven by double-layer linear motor |
| 10/09/2012 | US8285430 Controlling device for railway electric car |
| 10/04/2012 | WO2012131953A1 In-wheel motor vehicle |
| 10/03/2012 | EP2506414A1 Load drive system, electric motor drive system and vehicle control system |
| 10/03/2012 | CN202475344U Electric control system of floating crane |
| 10/03/2012 | CN202475343U Smoke extractor exhaust fan power supply circuit of flue gas purification system |
| 10/03/2012 | CN202475342U Main and auxiliary motor synchronization control device for bottle-conveying equipment |
| 10/03/2012 | CN202475341U Motor control circuit at winding station |
| 10/03/2012 | CN202475340U Automatic deviation-correcting function module for firefighting robot |
| 10/03/2012 | CN102710185A Device and method for time sequence open-phase control of three three-phase asynchronous motors |
| 10/03/2012 | CN102710184A Device and method for controlling four motors with few cables and in double remote control mode |
| 10/03/2012 | CN102710183A Crossed coupling synchronous control system and method of multiple motors |
| 10/03/2012 | CN101860088B Microwave wireless energy transfer system for airship |
| 10/03/2012 | CN101796718B 旋转电机控制系统 Rotary motor control system |
| 10/02/2012 | US8279040 System and method for control of multiple barrier operators |
| 10/02/2012 | US8278863 Telescoping mast |
| 09/27/2012 | WO2012126785A1 Drive system for a land craft |
| 09/27/2012 | CA2827004A1 Drive system for a land craft |
| 09/26/2012 | EP2503683A1 Drive system for a land craft |
| 09/26/2012 | CN202455305U Multifunctional frequency converter for elevator |
| 09/26/2012 | CN202455304U Multi-head quick-switching device for motor |
| 09/26/2012 | CN102696171A Electrically-driven operation device and working machine using same |
| 09/26/2012 | CN102694488A Energy-saving control method for equipment of concerted driving by more than one motor |
| 09/26/2012 | CN101807872B Motor controller based on DSP (Digital Signal Processor) |
| 09/25/2012 | US8274244 Actuator system and method for extending a joint |
| 09/19/2012 | EP2498902A1 Improved process for the processing of food products, in particular for the processing of ice-cream, and machine for effecting said process |
| 09/19/2012 | CN202444456U Bus communication-based system for controlling multiple groups of transducers and motor |
| 09/19/2012 | CN102684575A One-to-many control system of industrial frequency converter for textile machine and realization method |
| 09/19/2012 | CN102684574A Driving circuit, motor driving method and vehicle engine heat exchange system |
| 09/19/2012 | CN102674022A Control system for vibratory feeders for alloy material centralized weighing in metallurgical industry |
| 09/19/2012 | CN101646335B A method for creating a required vacuum level in a milking system |
| 09/13/2012 | WO2012120682A1 Efficiency map generation device, efficiency map generation method, and program |
| 09/13/2012 | WO2012120681A1 Efficiency map generation device, efficiency map generation method, and program |
| 09/13/2012 | US20120229067 Voltage regulator for dc motors |
| 09/13/2012 | DE102012101987A1 Spannungsregler für einen Gleitstrommotor Voltage regulator for a Gleitstrommotor |
| 09/12/2012 | CN202435326U Fixed-length slitting dual-control frequency converter |
| 09/12/2012 | CN202430701U Lifting device and self-elevating ocean platform |
| 09/12/2012 | CN202425457U Adjustable-speed controller for feeder |
| 09/12/2012 | CN101949469B Electrical synchronization method and device of hoist with two hoisting points |
| 09/11/2012 | US8264177 Apparatus and system for efficiently controlling a hub motor |
| 09/11/2012 | US8264175 Method for forming a capacitor module circuit in an inverter using impedance matching |