Pre-Filtering and Head-Dependent Adaptive Feed-Forward Compensation for Linear Vibration in Hard-Disc-Drive

被引：0
|
作者：
Luo, Ying [1 ]
Zhang, Tao [1 ]
Zhou, Li [1 ]
Lee, BongJin [1 ]
Kang, Changik [1 ]
Chen, YangQuan [2 ]
机构：
[1] Samsung Informat Syst Amer, San Jose, CA USA
[2] Utah State Univ, Dept Elect & Comp Engn, Logan, UT 84322 USA
来源：
2012 AMERICAN CONTROL CONFERENCE (ACC) | 2012年
关键词：
Vibration compensation; adaptive control; feed-forward control; linear vibration; finite-impulse-response filter; pre-filtering; head-dependent; hard-disc-drive; servo control; DISTURBANCE OBSERVER; DESIGN;
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：
This paper suggests a pre-filtering and head-dependent adaptive feed-forward (AFF) control scheme for vibration compensation in hard-disc-drive (HDD) servo system. First, an AFF algorithm is designed and implemented for the linear vibration compensation in the servo system. In order to improve the vibration compensation performance significantly, a pre-filtering process is added in the AFF scheme. Meanwhile, a head-dependent AFF control strategy is proposed and implemented to accommodate the dynamics variations in HDD servo system. This head-dependent AFF control scheme improves the vibration compensation performance in consistency. The proposed pre-filtering and head-dependent AFF control scheme is validated by the drive level experiments with significant performance improvement for vibration compensation in high density HDD servo system.
引用
收藏
页码：1967 / 1972
页数：6
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