Issued Patents All Time
Showing 76–100 of 134 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8185342 | Estimating rotor angular position and velocity and verifying accuracy of position sensor outputs | Chia-Chou Yeh, Brian A. Welchko | 2012-05-22 |
| 8165737 | Method and system for controlling a power inverter in electric drives of vehicles with two-mode transmissions | Stephen T. West, Brian A. Welchko, Silva Hiti | 2012-04-24 |
| 8134321 | Motor control system for achieving peak torque | Bon Ho Bae | 2012-03-13 |
| 8100799 | Method and system for controlling power inverters in electric drives of vehicles with two-mode transmissions | Brian A. Welchko, Silva Hiti | 2012-01-24 |
| 8062170 | Thermal protection of an electric drive system | Stephen T. West, Wei D. Wang, Brian A. Welchko, Peter E. Wu | 2011-11-22 |
| 8054084 | Methods and systems for diagnosing stator windings in an electric motor | Khwaja M. Rahman, Chia-Chou Yeh | 2011-11-08 |
| 8018187 | Initial polarity detection for permanent magnet motor drives | Constantin C. Stancu, Yo Chan Son | 2011-09-13 |
| 7999496 | Method and apparatus to determine rotational position of an electrical machine | Sean E. Gleason, Patrick M. Prihoda | 2011-08-16 |
| 7952308 | Method and apparatus for torque ripple reduction | John P. Miller, Khwaja M. Rahman, Soo Yeol Lee | 2011-05-31 |
| 7923944 | Single processor dual motor control | Terry Murrell | 2011-04-12 |
| 7880416 | Low speed synchronous motor drive operation | Goro Tamai, Scott James Thompson | 2011-02-01 |
| 7880425 | Electric motor drive systems, motor vehicles, and methods of phase current regulation | Brian A. Welchko, Silva Hiti | 2011-02-01 |
| 7863850 | Apparatus, system, and method for simulating outputs of a resolver to test motor-resolver systems | David Fu, Wei D. Wang | 2011-01-04 |
| 7843162 | Current regulator and current control method and system for AC motors | Bonho Bae, Nitinkumar R. Patel, James M. Nagashima, Jung Sik Yim, Seung Ki Sul | 2010-11-30 |
| 7839108 | Electric motor stator winding temperature estimation | Nitinkumar R. Patel, Yo Chan Son, Silva Hiti | 2010-11-23 |
| 7834574 | Phase current sampling and regulating apparatus and methods, and electric motor drive systems | Stephen T. West, Brian A. Welchko, Silva Hiti | 2010-11-16 |
| 7774148 | Torque estimator for IPM motors | Brian A. Welchko, Silva Hiti | 2010-08-10 |
| 7768220 | Harmonic torque ripple reduction at low motor speeds | Goro Tamai, Silva Hiti | 2010-08-03 |
| 7768807 | Bidirectional no load control with overshoot protection | Keming Chen | 2010-08-03 |
| 7755319 | Apparatus, systems, and methods for reducing voltage source inverter losses | Silva Hiti, Brian A. Welchko | 2010-07-13 |
| 7723946 | Method and system for pulse position scheduling in electric drives | Brian A. Welchko, Silva Hiti | 2010-05-25 |
| 7679310 | Method and system for controlling pulse width modulation in a power inverter in electric drives | Brian A. Welchko, Silva Hiti | 2010-03-16 |
| 7679309 | Method and system for motor control with delay compensation | Nitinkumar R. Patel, Bonho Bae, Stephen T. West | 2010-03-16 |
| 7659688 | Method and system for resolver alignment in electric motor system | Sean E. Gleason, Brian A. Welchko | 2010-02-09 |
| 7659684 | Method and system for operating a motor to avoid selected pulse ratio values | Nitinkumar R. Patel, Bonho Bae | 2010-02-09 |