Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10135353 | Unidirectional matrix converter with regeneration system | — | 2018-11-20 |
| 7839106 | System and methods involving dynamic closed loop motor control and flux weakening | — | 2010-11-23 |
| 7538514 | Systems and methods for controlling torque of a motor | — | 2009-05-26 |
| 7323833 | Voltage mode control with phase advancing for position controlled electric machines | — | 2008-01-29 |
| 7298967 | Electromagnetic sensor direct communication algorithm to a digital microprocessor | Shaotang Chen, Tom Cheuk-In Wong, Christian Ross, Tomy Sebastian | 2007-11-20 |
| 7119530 | Motor phase current measurement using a single DC bus shunt sensor | Paul M. Fisher, Daniel Shafer, Samuel J. Underwood | 2006-10-10 |
| 7065437 | Current limit for an electric machine | Yulei Chen | 2006-06-20 |
| 7042227 | Current determination in a permanent magnet electric machine | Dennis B. Skellenger, Roy A. McCann, Mark P. Colosky | 2006-05-09 |
| 6982537 | Identification of parameters for switched reluctance electric machines | Mohammad S. Islam, Tomy Sebastian, Iqbal Husain | 2006-01-03 |
| 6851325 | DSP based algorithm for non-contacting torque sensor | Mohammad S. Islam, Tomy Sebastian | 2005-02-08 |
| 6851324 | Non-contacting compliant torque sensor | Mohammad S. Islam, Tomy Sebastian, Christian Ross | 2005-02-08 |
| 6803740 | Method and apparatus for determining phase current of switched reluctance electric machines | Tomy Sebastian | 2004-10-12 |
| 6801012 | Sensorless control of switched reluctance electric machines | Mohammad S. Islam, Tomy Sebastian, Iqbal Husain | 2004-10-05 |
| 6694287 | Phase angle diagnostics for sinusoidal controlled electric machine | Mark P. Colosky | 2004-02-17 |
| 6690135 | Method for compensating for dead time non-linearities in a pulse width modulation controlled switching scheme | Tomy Sebastian | 2004-02-10 |
| 6653829 | Low cost approach to measuring high resolution rotary position of electric machines | Rassem R. Henry | 2003-11-25 |
| 6549871 | Current estimation for an electric machine | Aparna S Amberkar | 2003-04-15 |
| 6441578 | Method and apparatus for torque linearization in an electric power steering system | Dennis B. Skellenger | 2002-08-27 |
| 6426602 | Minimization of motor torque ripple due to unbalanced conditions | Roy A. McCann, Dennis B. Skellenger, Mark P. Colosky | 2002-07-30 |
| 6411052 | Method and apparatus to compensate for resistance variations in electric motors | Abbas Fardoun, Shaotang Chen | 2002-06-25 |
| 6392418 | Torque current comparison for current reasonableness diagnostics in a permanent magnet electric machine | Dennis B. Skellenger, Roy Alan Mc Cann, Mark P. Colosky | 2002-05-21 |