UNKNOWN MULTIPLE NARROW-BAND DISTURBANCE REJECTION IN HARD DISK DRIVES-AN ADAPTIVE NOTCH FILTER AND PERFECT DISTURBANCE OBSERVER APPROACH

被引：0
|
作者：
Chen, Xu [1 ]
Tomizuka, Masayoshi [1 ]
机构：
[1] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA
来源：
PROCEEDINGS OF THE ASME DYNAMIC SYSTEMS AND CONTROL CONFERENCE 2010, VOL 1 | 2010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：
In this paper, an adaptive control scheme is developed to reject unknown multiple narrow-band disturbances in a hard disk drive. An adaptive notch filter is developed to efficiently estimate the frequencies of the disturbance. Based on the correctly estimated parameters, a disturbance observer with a newly designed multiple band-pass filter is constructed to achieve asymptotic perfect rejection of the disturbance. Evaluation of the control scheme is performed on a benchmark problem for HDD track following.
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页码：963 / 970
页数：8
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