An Application of Active Disturbance Rejection Control to Self-Sensing Magnetic Bearings. - B. X. S. Alexander; Richard A. Rarick; Lili Dong (ACC, 2007)

A novel application of an extended state observer for high performance control of NASA's HSS Flywheel and fault detection. - B. X. S. Alexander; Richard A. Rarick; Lili Dong (ACC, 2008)