Track-following control using resonant filter in hard disk drives

被引：0
|
作者：
Atsumi, Takenori [1 ]
Okuyama, Atsushi [1 ]
Kobayashi, Masahito [1 ]
机构：
[1] Hitachi Ltd, Res & Dev Grp, Kanagawa 2528588, Japan
来源：
2007 AMERICAN CONTROL CONFERENCE, VOLS 1-13 | 2007年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A design method to suppress disturbances using resonant filters for a track-following control in hard disk drives was developed. The resonant filter can realize a stable resonant mode by a filter with a circular vector locus that recedes from the critical point on the Nyquist diagram. By using the proposed method, a stable resonant filter in the control system can be designed with accuracy to suppress the disturbances above the servo bandwidth. Application of the proposed method to a hard disk drive showed greatly suppression of the disturbances at the frequencies higher than the servo bandwidth.
引用
收藏
页码：2760 / +
页数：2
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