Title :
Robust synthesis technique for single-stage servo systems in HDD
Author :
Yang, Lingzhi ; Young, Peter M.
Author_Institution :
Electr. & Comput. Eng. Dept., Colorado State Univ., Fort Collins, CO, USA
Abstract :
This paper presents a new technique for track-following control in hard disk drives, in order to achieve high tracking precision of magnetic read-write heads uniformly for a large number of disk drives. The main contribution of this paper is to propose a new technique to specify the uncertainty bound for voice-coil-motor and an iterative design procedure to design an optimal controller with robust stability.
Keywords :
coils; control system synthesis; disc drives; hard discs; iterative methods; magnetic heads; optimal control; robust control; servomechanisms; tracking; hard disk drive; iterative design; magnetic read-write head; optimal controller; robust stability; robust synthesis technique; single-stage servo system; track-following control; voice-coil-motor; Bandwidth; Drives; Hard disks; Iterative methods; Magnetic heads; Robust control; Robust stability; Robustness; Servomechanisms; Uncertainty;
Conference_Titel :
Decision and Control, 2008. CDC 2008. 47th IEEE Conference on
Conference_Location :
Cancun
Print_ISBN :
978-1-4244-3123-6
Electronic_ISBN :
0191-2216
DOI :
10.1109/CDC.2008.4738645
