Position error signal estimation at high sampling rates using data and servo sector measurements. - Petros A. loannou; Elias B. Kosmatopoulos; Alvin M. Despain (CDC, 2002)

Servo control design for a hard disk drive based on estimated head position at high sampling rates. - Petros A. loannou; Haojian Xu; Baris Fidan (ACC, 2003)