Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8009450 | Method and apparatus for phase current balance in active converter with unbalanced AC line voltage source | Robert J. Breitzmann, Mark M. Harbaugh | 2011-08-30 |
| 7944164 | Method and apparatus for identifying orientation of a stationary rotor in a sensor-less PMSM | Jingbo Liu, Thomas A. Nondahl, Peter B. Schmidt, Mark M. Harbaugh | 2011-05-17 |
| 7915852 | Universal adaptive torque control for PM motors for field-weakening region operation | Mark M. Harbaugh, Robert J. Breitzmann, Thomas A. Nondahl, Peter B. Schmidt, Jingbo Liu | 2011-03-29 |