| 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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| 06/02/2004 | EP1423904A1 Reversible motor |
| 05/25/2004 | US6741803 Circuit and process for regulating the speed of universal electric motors |
| 05/25/2004 | US6741063 Inverter apparatus |
| 05/25/2004 | US6741059 Controller for a wound rotor slip ring induction machine |
| 05/21/2004 | WO2004042884A1 Method for controlling an electrical machine and a system for carrying out said method |
| 05/20/2004 | US20040095789 Power transfer system with reduced component ratings |
| 05/19/2004 | EP1161790B1 Method for controlling an electrical machine and an inverter |
| 05/19/2004 | DE10251095A1 Electric machine operating method for motor vehicle, by determining reliable torque from desired torque and detecting deviation of instantaneous torque from reliable torque |
| 05/18/2004 | US6737827 Method and apparatus to control input to AC induction motors |
| 05/18/2004 | US6737824 Fan acceleration control |
| 05/18/2004 | US6736018 Machine constant estimation device |
| 05/13/2004 | US20040090205 Systems and methods for electric motor control |
| 05/13/2004 | US20040090198 Electric motor control device |
| 05/13/2004 | DE10254080A1 Data storage method for electric motor drive, using write-in memory incorporated in drive in which drive and drive component information is entered |
| 05/12/2004 | EP1418663A1 Electric motor controller resonance frequency detection apparatus |
| 05/12/2004 | EP1417747A1 Method and apparatus for high performance permanent magnet motor speed control with limited position information |
| 05/06/2004 | US20040088061 Acceleration deceleration control method |
| 05/06/2004 | EP1415388A2 Odd harmonics reduction of phase angle controlled loads |
| 04/28/2004 | EP1414147A1 Measuring process for the power output by a motor |
| 04/27/2004 | US6727668 Precision brushless motor control utilizing independent phase parameters |
| 04/22/2004 | WO2004034563A1 Motor control method and device thereof |
| 04/22/2004 | DE10338211A1 Diagnosestrategie für einen Elektromotor Diagnostic strategy for an electric motor |
| 04/21/2004 | CN1491470A Overload current protection device using magnetic impedance element |
| 04/15/2004 | US20040070363 Integrated induction starter/generator system with hybrid control for high speed generation and idle speed smoothing |
| 04/15/2004 | DE10296377T5 Geschwindigkeitsabgleichsteuerverfahren Speed adjustment control method |
| 04/08/2004 | US20040066591 Constructive arrangement for the starting system of an electric motor |
| 04/07/2004 | EP1406095A1 Electric current detector and motor driving device using the same |
| 04/01/2004 | US20040061483 Compensation of reactive power via a frequency converter |
| 03/31/2004 | CN1486530A Rotary machine control |
| 03/31/2004 | CN1485974A Bldc motor speed control apparatus and method |
| 03/25/2004 | WO2004025818A1 Electronic control device for motor |
| 03/25/2004 | DE10237779A1 Converter for motor vehicle with at least one electrical energy supply and load, produces two variable input voltages with phase shift so current peaks on constant input voltage side are phase shifted |
| 03/23/2004 | US6711556 Fuzzy logic controller optimization |
| 03/23/2004 | US6710559 Motor driving device for motor having multi-phase coils |
| 03/23/2004 | US6708563 Device for measuring rotor imbalance |
| 03/16/2004 | US6707279 Induction generator control with minimal sensor requirements |
| 03/11/2004 | US20040046523 Method and apparatus for storing and using motor parameters in a servo control system for tuning |
| 03/11/2004 | US20040046519 Diagnostic strategy for an electric motor using sensorless control and a position sensor |
| 03/11/2004 | DE10245887A1 Noise reducing method for noise in electric machines, using electronic drive devices to preset phase currents so as to minimize an area of critical resonance frequency in a radial force spectrum |
| 03/10/2004 | EP1396927A1 Inverter control method and its device |
| 03/04/2004 | WO2003005547A3 Odd harmonics reduction of phase angle controlled loads |
| 03/04/2004 | US20040044459 Electrical load controlling device |
| 03/03/2004 | EP1394920A1 Compensation of reactive power via a frequency converter |
| 03/03/2004 | EP1393957A2 Electrical load controlling device |
| 03/03/2004 | EP1393430A1 Motor driving device and apparatus including the same device |
| 03/02/2004 | US6700342 Method and apparatus for high performance permanent magnet motor speed control with limited position information |
| 02/26/2004 | WO2004017506A1 Voltage conversion device, voltage conversion method, and computer-readable recording medium containing program for causing computer to execute voltage conversion control |
| 02/26/2004 | US20040037541 BLDC motor speed control apparatus and method |
| 02/24/2004 | US6696812 Control apparatus for electric motor |
| 02/11/2004 | CN1138192C Control system with disturbance predictor |
| 02/10/2004 | US6690989 Closed-loop phase compensation controller |
| 02/10/2004 | US6690137 Sensorless control system for synchronous motor |
| 02/05/2004 | WO2004012327A1 Electric machine |
| 02/05/2004 | WO2004012238A2 Power transfer system with reduced component ratings |
| 02/05/2004 | US20040021437 Adaptive electric motors and generators providing improved performance and efficiency |
| 01/29/2004 | US20040019439 Induction motor module and motor incorporating same |
| 01/28/2004 | EP1385259A2 A system for high power drives |
| 01/27/2004 | US6682310 Apparatus and method for controlling operation of reciprocating motor compressor |
| 01/22/2004 | WO2004008624A1 Servo control device gain adjustment method |
| 01/22/2004 | US20040012351 Rotary machine control |
| 01/20/2004 | US6680593 Disk drive apparatus and motor |
| 01/15/2004 | WO2004006421A1 Drive circuit for an electric motor |
| 01/15/2004 | US20040008005 Inverter apparatus |
| 01/07/2004 | CN1466811A Motor controller |
| 12/31/2003 | WO2004001953A1 Brushless motor control utilizing independent phase parameters |
| 12/31/2003 | WO2004001946A1 Motor control device |
| 12/31/2003 | WO2004000089A1 Variable speed leaf blower |
| 12/31/2003 | CA2493368A1 Variable speed leaf blower |
| 12/30/2003 | US6671459 DC motor control method and apparatus |
| 12/25/2003 | US20030233887 Machine constant estimation device |
| 12/25/2003 | US20030233730 Variable speed leaf blower |
| 12/24/2003 | CN1463484A Inverter control method and its device |
| 12/18/2003 | US20030231517 System and method for regenerative PWM AC power conversion |
| 12/10/2003 | EP1369973A1 Overload current protection device using magnetic impedance element |
| 12/10/2003 | EP1369281A1 Method and apparatus for monitoring engine start and shut-down in a series hybrid vehicle |
| 12/04/2003 | WO2003100959A2 System and method for controlling a rotating electromagnetic machine |
| 12/03/2003 | CN1129743C Air conditioner |
| 12/02/2003 | CA2294201C Electronically commutated motor |
| 11/27/2003 | US20030218444 Control system and method for a rotating electromagnetic machine |
| 11/20/2003 | WO2003096523A1 Reduced energy multiple-function digital controller for motors and appliances |
| 11/20/2003 | WO2003096522A1 Rotatingly driving device of construction machinery |
| 11/11/2003 | US6646896 Controller of AC machine |
| 11/11/2003 | US6646411 Control method of compressor motor and inverter equipped with the same method |
| 11/11/2003 | US6646410 Method and apparatus for the improved control of motors and of motor-actuated work apparatus |
| 11/06/2003 | US20030205983 Sensorless induction motor control |
| 11/05/2003 | CN1453930A Control apparatus and control method for motor |
| 11/05/2003 | CN1127197C Method and device for controlling speed of a washing machine motor |
| 10/30/2003 | US20030201744 Method and apparatus to perform poly-phase instrumentation with single-phase instruments |
| 10/30/2003 | US20030201740 Motor control apparatus and method |
| 10/29/2003 | EP1357657A1 Stop control device for single-phase asynchronous motor with capacitor |
| 10/29/2003 | EP1357275A1 Modelling of the thermal behaviour of a switched reluctance motor driving a supercharger of an internal combustion engine |
| 10/28/2003 | CA2322791C Electric motor monitoring circuit |
| 10/21/2003 | US6636011 Induction motor control system |
| 10/16/2003 | US20030193310 Diagnostic method for an electric motor using torque estimates |
| 10/09/2003 | WO2003084044A2 Motor current reconstruction via dc bus current measurement |
| 10/09/2003 | US20030189414 Motor control method and motor control apparatus |
| 10/02/2003 | WO2003081763A1 Closed-loop phase compensation controller |
| 10/01/2003 | EP1349028A2 Control device of a roller shutter driving motor |
| 10/01/2003 | CN1445921A Conversion equipment for controlling AC motor |
| 09/30/2003 | US6628004 Device and method for generating a partially synthesized signal with very good dynamic quality for the acceleration of a rotor in an electrical drive mechanism |