| 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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| 10/07/2009 | CN101552584A A control system with braking function of series excited direct current cross-connected double motor |
| 10/06/2009 | US7598687 Method and control unit for controlling fan motors |
| 10/01/2009 | WO2009119246A1 Control system of dynamo electric machine and drive system of vehicle |
| 10/01/2009 | US20090243527 Integral type air conditioner |
| 10/01/2009 | US20090242288 Electric-powered vehicle and controlling method thereof |
| 10/01/2009 | DE102009005651A1 Verfahren und Vorrichtung zur Kontrolle einer Vielzahl von Motoren Method and apparatus for controlling a variety of engines |
| 09/30/2009 | EP0993698B2 Method and device for the decentralised operation or construction of a precise angle synchro-control system in a multi-motor drive system |
| 09/29/2009 | US7594825 Device for connecting an electric drive to at least one supply network, and method for the production of such a connecting device |
| 09/24/2009 | WO2009054727A3 Control of heavy machines |
| 09/23/2009 | CN101540577A Method and system for proportional linkage of frequency converters of pulley-type wire-drawing machines |
| 09/17/2009 | US20090230901 Power Source Apparatus for Vehicle, Vehicle and Method of Controlling Power Source Apparatus |
| 09/17/2009 | DE102008012471A1 Antrieb mit durch Stromzwischenkreisumrichter gespeisten Drehstromsynchronmaschinen Drive with Current-fed by three-phase synchronous machines |
| 09/16/2009 | CN101534082A Servo amplifier with regenerative function |
| 09/16/2009 | CN101532198A Electric jacquard device synchronous drive mechanism and method for synchronous drive of motor |
| 09/09/2009 | EP2099124A2 Drive with alternating current synchronous machines fed by intermediate electricity circuit transformers |
| 09/09/2009 | EP2099113A1 Method and device for controlling a printer should an electrical supply network be interrupted or fail |
| 09/09/2009 | EP2097972A1 Electronic drive system for a vehicle unit |
| 09/09/2009 | CN100539388C Multi-motor coordination control system |
| 09/08/2009 | US7586282 Hardware based configurable motion control apparatus and method |
| 09/02/2009 | CN201303306Y Frequency conversion energy-saving control system of triple-split three-phase ac motor |
| 09/02/2009 | CN201303305Y Multi-motor drive system used for electric vehicle |
| 09/02/2009 | CN201303304Y Multi-channel high-speed servomotor control device based on FPGA |
| 09/02/2009 | CN100535830C Monitoring method and device of radiation system |
| 09/01/2009 | US7583036 Electrically driven vehicle |
| 08/26/2009 | CN201298820Y Motor control system for pumping unit in oil field |
| 08/26/2009 | CN101517913A Installation and method for operating an installation |
| 08/26/2009 | CN101517887A Method for controlling AC linear motors, device for driving AC linear motors, and system of AC linear motors |
| 08/26/2009 | CN100532660C Individual-spindle-drive type textile machine |
| 08/25/2009 | US7579792 Hybrid motor boost system and methods |
| 08/25/2009 | US7579708 Opening/closing member control apparatus and method for detecting pinching |
| 08/20/2009 | WO2009101729A1 Motor drive apparatus, hybrid drive apparatus and method for controlling motor drive apparatus |
| 08/19/2009 | EP2090494A1 Electric power steering device |
| 08/19/2009 | CN101512892A Method and apparatus |
| 08/19/2009 | CN101510077A Multi-drive type electric window-opening machine control system |
| 08/18/2009 | US7576508 Gas turbine engine starter generator with AC generator and DC motor modes |
| 08/13/2009 | US20090201650 Controller Assemblies For Electric Drive Utility Vehicles |
| 08/13/2009 | DE102008006710A1 Stromrichteranordnung mit mehreren unabhängigen Antriebseinheiten Converter arrangement with several independent drive units |
| 08/12/2009 | EP2088670A1 Power output device, automobile with the same, and method of controlling power output device |
| 08/12/2009 | CN101507096A Motor driving system and method for controlling the same |
| 08/12/2009 | CN101505124A Servo motor control system |
| 08/06/2009 | WO2009095094A1 Rectifier arrangement having a plurality of independent drive units |
| 08/06/2009 | DE112007002286T5 Verfahren zum Steuern von Wechselstrom-Linearmotoren, Vorrichtung zum Antreiben von Wechselstrom-Linearmotoren und System von Wechselstrom-Linearmotoren A method for controlling AC linear motors, means for driving linear motors and AC system of AC linear motors |
| 08/06/2009 | DE112007001817T5 Stromverzweigungssystem und Stromverzweigungsverfahren Current branch system and power branching process |
| 08/06/2009 | DE10297711B4 Geschwindigkeitsregelungsvorrichtung für einen Motor Speed control apparatus for an engine |
| 08/05/2009 | EP1283593B1 Motor controller |
| 08/05/2009 | CN101501980A Power branch system and power branch method |
| 08/05/2009 | CN101500842A Diesel-electric drive system |
| 08/05/2009 | CN101499762A Electric motor drive system and electric motor control method |
| 08/05/2009 | CN100524106C Automatic regulating method and device for electromotor control device |
| 07/30/2009 | US20090189550 Method and Apparatus for Controlling A Plurality of Motors |
| 07/29/2009 | EP2082491A1 Installation and method for operating an installation |
| 07/29/2009 | CN201282440Y Multi-independent AC servo motor synchronization drive system for curved surface offset printer |
| 07/29/2009 | CN100521496C Universal drive device for different fans |
| 07/29/2009 | CN100521495C Power management system for a floor care appliance |
| 07/23/2009 | WO2009091940A1 A system having a variable frequency power distribution bus for driving a variable speed motor |
| 07/23/2009 | WO2009056949A3 An electric drive and the method for controlling the drive |
| 07/22/2009 | CN201278500Y Apparatus for asynchronously and simultaneously implementing rotor variable frequency control by dragging multiple motors with an inverter |
| 07/22/2009 | CN201278499Y Dual frequency motor control apparatus |
| 07/16/2009 | WO2009087915A1 Ac motor drive system and method for detecting failure of the system |
| 07/16/2009 | US20090179600 Dual ring dedicated drive control system for medium voltage variable frequency drives |
| 07/14/2009 | US7559470 Positioning controlling apparatus, positioning control method, program for making computer execute this method, image forming apparatus, and recording medium |
| 07/09/2009 | WO2009084359A1 Rotating electric machine control system |
| 07/09/2009 | WO2009084358A1 Rotating electric machine control system |
| 07/09/2009 | WO2009083031A1 A server controller and a method for controlling a plurality of motors |
| 07/08/2009 | CN201270488Y DC speed regulating system |
| 07/08/2009 | CN100511963C Computer control multiple motor variable frequency and speed regulating synchronous method and central and distributing control system thereof |
| 07/08/2009 | CN100511962C Three-in-one AC servo driver |
| 07/02/2009 | WO2009081840A1 Motor unit and gear power transmission device |
| 07/01/2009 | CN201266896Y Apparatus for synchronously regulating linear velocity |
| 06/30/2009 | US7554276 Protection circuit for permanent magnet synchronous motor in field weakening operation |
| 06/25/2009 | US20090160884 Electronic apparatus |
| 06/25/2009 | US20090160247 Power Supply Device for Vehicle and Method of Controlling the Same |
| 06/24/2009 | EP1749341B1 Shelf storage system with energy recycling |
| 06/24/2009 | CN101465614A Motor control device |
| 06/24/2009 | CN100505509C Double acting type repulsive differential driven power system of electrical motor group |
| 06/23/2009 | US7550936 Fan motor drive control apparatus |
| 06/18/2009 | WO2009074640A1 Circuit for controlling a number of motors |
| 06/18/2009 | US20090154906 System and Method for Controlling Multiple DC Fans |
| 06/18/2009 | US20090153080 AC power driving apparatus |
| 06/18/2009 | US20090152030 Apparatus and Method for Electric Vehicle Utilizing Dissimilar Electric Motors |
| 06/17/2009 | EP2071692A1 Motor drive architecture for high frequency AC bus |
| 06/16/2009 | US7548035 Control apparatus of electric power steering apparatus |
| 06/10/2009 | DE102007059779A1 Vibrator motor controlling method, involves receiving clock pulses per revolution of master and slave, comparing counter readings, digitally blanking or braking slave, and advancing and harmonizing slave |
| 06/10/2009 | CN100499353C Drive system for a set of machines |
| 06/10/2009 | CN100499349C Opening drive apparatus for electronic jacquard |
| 06/09/2009 | US7545056 Saturation control of electric machine |
| 06/02/2009 | US7541763 Servo control device |
| 06/02/2009 | US7541756 Temperature compensated test for a power distribution switching device |
| 05/28/2009 | US20090134820 Drive unit for vehicle |
| 05/27/2009 | CN101442283A Dual-motor synchronous servo drive device based on DSP |
| 05/27/2009 | CN100492866C Synchronous controlling method for main transmission equipment of terylene short fibre post-treatment combination machine production line |
| 05/26/2009 | US7538509 Controlling the speed of cooling fans for multiple computer systems based on altitude/fluid density measurements from a centralized sensor |
| 05/21/2009 | US20090129936 Electronic device having blower |
| 05/20/2009 | EP2060001A1 Method and apparatus |
| 05/20/2009 | CN100490302C Motor controller |
| 05/14/2009 | US20090121661 Electrical control device |
| 05/07/2009 | WO2009058048A1 Electromechanical step-less hybrid numerically controlled variator |
| 05/07/2009 | WO2009057545A1 Multi-spindle movement driver control method, multi-spindle movement driver, and multi-spindle drive control system having the same |
| 05/07/2009 | US20090115355 Electric Power Control Device, Electric Powered Vehicle Including the Same, and Method for Controlling Electric Power of Electric Powered Vehicle |
| 05/07/2009 | US20090115354 Method for electric power boosting in a powertrain system |