A Reset Pi-Lead Filter Design with Application in Hard Disk Drives

Author

Hong, F. ; Wong, W.E.

Author_Institution

Data Storage Inst.

fYear

2006

fDate

Nov. 29 2006-Dec. 1 2006

Firstpage

1

Lastpage

1

Abstract

In this paper, a novel reset nonlinear PI-lead filters control scheme in parallel structure is proposed. The uniformly bounded-input and bounded-state (UBIBS) stability is proved and the proposed scheme also can achieve asymptotic tracking of the constant reference signals and rejections to constant output disturbances. The scheme is applied in the hard disk drives in the tracking-seeking and track-following modes and its effectiveness is demonstrated with the reset servo by the reduction of overshoot and settling time, and the improvement of the tracking accuracy

Keywords

PI control; disc drives; hard discs; nonlinear control systems; servomechanisms; stability; tracking; UBIBS; asymptotic tracking; disturbance rejection; hard disk drives; nonlinear control; overshoot; reset PI-lead filter design; reset servo; settling time; track-following mode; tracking-seeking mode; uniformly bounded-input and bounded-state stability; Control systems; Data engineering; Design engineering; Drives; Hard disks; Memory; Nonlinear filters; Servomechanisms; Stability; Transfer functions;

fLanguage

English

Publisher

ieee

Conference_Titel

Asia-Pacific Magnetic Recording Conference, 2006

Conference_Location

Singapore

Print_ISBN

1-4244-0863-6

Type

conf

DOI

10.1109/APMRC.2006.365935

Filename

4215320