Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11165257 | System and method for frequency adjustment of parallel inverters coupled to a grid power source | Jacob R. DeCock, Tianjun Fu, Long Wu | 2021-11-02 |
| 9698722 | Method and inverter with thermal management for controlling an electric machine | David M. Loken, Long Wu, Tianjun Fu, Neal D. Clements | 2017-07-04 |
| 9520820 | Method and apparatus for auto-tuning an electric machine current regulator | David Holmburg, Long Wu | 2016-12-13 |
| 9475403 | DC bus voltage control | Long Wu, Chris J. Tremel, Zimin W. Vilar, Alan K. Gilman | 2016-10-25 |
| 9093940 | Methods of determining initial position of a rotor and systems thereof | Wei Xu, Jiyao Wang | 2015-07-28 |
| 8880250 | DC bus voltage control | Long Wu, Chris J. Tremel, Zimin W. Vilar, Alan K. Gilman | 2014-11-04 |
| 8853979 | Method and system for calibrating rotor position offset of an electric motor | Long Wu | 2014-10-07 |
| 8796983 | Method and system for determining a position of a rotor of an electric motor with noise reduction | Long Wu | 2014-08-05 |
| 8744794 | Method and apparatus for characterizing an interior permanent magnet machine | Long Wu | 2014-06-03 |
| 8723460 | Method and system for controlling an electric motor with compensation for time delay in position determination | Long Wu, Srujan Kusumba | 2014-05-13 |
| 8648555 | Method and system for controlling an electric motor at or near stall conditions | Long Wu | 2014-02-11 |
| 8624531 | Method and system for evaluating electrical connections between a motor controller and motor | Long Wu, Alan K. Gilman | 2014-01-07 |
| 8552673 | Interior permanent magnet machine systems and methods for controlling interior permanent magnet machines | Long Wu | 2013-10-08 |
| 8547045 | Method and system controlling an electrical motor with temperature compensation | Long Wu | 2013-10-01 |
| 8531141 | System for calibrating an electrical control system | Long Wu, Chris J. Tremel, Kent D. Wanner | 2013-09-10 |
| 8456115 | Method and system for controlling an electric motor with variable switching frequency at variable operating speeds | Long Wu | 2013-06-04 |
| 8450962 | System for controlling a motor | Long Wu | 2013-05-28 |
| 8410737 | Device and method for generating an initial controller lookup table for an IPM machine | Long Wu, Srujan Kusumba, Zimin W. Vilar, Tianjun Fu | 2013-04-02 |
| 7417389 | Speed control for an electric motor | — | 2008-08-26 |
| 7126368 | System and method for detecting motor coil-to-coil faults | John D. Paulson, Brian Frederick Boeshans, Jeffrey Gerald Hopman | 2006-10-24 |
| 4628893 | Bow hanger | — | 1986-12-16 |
| 4336301 | Filler material | — | 1982-06-22 |
| 4263811 | Adhesion test instrument | — | 1981-04-28 |