Development of Optimized Adaptive Feed-Forward Cancellation with Damping Function for Head Positioning System in Hard Disk Drives

被引：26
|
作者：
Yabui, Shota [1 ]
Okuyama, Atsushi [2 ]
Atsumi, Takenori [1 ]
Odai, Masaki [3 ]
机构：
[1] HGST Japan Ltd, Japan Res Lab, Fujisawa, Kanagawa 2528588, Japan
[2] Tokai Univ, Sch Engn, Hiratsuka, Kanagawa 2591292, Japan
[3] Hitachi Ltd, Hitachi Res Lab, Hitachinaka, Ibaraki 3120034, Japan
来源：
JOURNAL OF ADVANCED MECHANICAL DESIGN SYSTEMS AND MANUFACTURING | 2013年 / 7卷 / 01期
关键词：
Hard Disk Drive; Repeatable Run-Out; Non-Repeatable Run-Out; Adaptive Feed-Forward Cancellation; Damping Function; Disk Flutter;
D O I：
10.1299/jamdsm.7.39
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents an adaptive feed-forward cancellation (AFC) technique with a damping function based on optimized AFC. The proposed AFC includes a mechanical resonance characteristic as an internal model that is realized by using the damping function and that achieves the best performance in the frequency domain. This makes it possible to apply the proposed AFC to suppress not only repeatable run-out (RRO) but also non-repeatable run-out (NRRO) of the head positioning system in hard disk drives. Simulation results showed that the proposed AFC can suppress NRRO such as disk flutter vibration and that the stability of the feedback loop was improved by the damping function.
引用
收藏
页码：39 / 51
页数：13
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