Design of HDD Servo Controller with Adaptive IMC Structure

Author

Jia, Qingwei ; Yoshida, Shinobu

Author_Institution

R&D Center, Hitachi Asia Ltd.

fYear

2006

fDate

25-28 June 2006

Firstpage

1280

Lastpage

1285

Abstract

A robust controller design method with adaptive internal model control (IMC) structure for hard disk drive (HDD) servo is presented in this paper. To handle the unmodeled dynamics, the internal model control method is adopted to guarantee the robust stability. The model reference adaptive control (MRAC) technique is further incorporated into the IMC structure to deal with the gain variations of the VCM motor. The proposed method is applied to a HDD servo control system, and the experimental results show the effectiveness of the method

Keywords

control system synthesis; disc drives; hard discs; model reference adaptive control systems; robust control; servomechanisms; HDD servo control; adaptive internal model control structure; hard disk drive; model reference adaptive control; robust controller design; Adaptive control; Control systems; Frequency; Hard disks; Magnetic heads; Programmable control; Robust control; Servomechanisms; Servosystems; Three-term control; Hard disk drive; PID control; internal model control; linear quadratic regulator (LQR); model reference adaptive control;

fLanguage

English

Publisher

ieee

Conference_Titel

Mechatronics and Automation, Proceedings of the 2006 IEEE International Conference on

Conference_Location

Luoyang, Henan

Print_ISBN

1-4244-0465-7

Electronic_ISBN

1-4244-0466-5

Type

conf

DOI

10.1109/ICMA.2006.257811

Filename

4026271