Compensation for repeatable tracking errors in hard drives using discrete-time repetitive controllers

被引：46

作者：

Onuki, Y ^{[1
]}

Ishioka, H ^{[1
]}

机构：

[1] Sony Corp, CNC, SHD Business Dev Div, Tokyo 1410001, Japan

来源：

IEEE-ASME TRANSACTIONS ON MECHATRONICS | 2001年 / 6卷 / 02期

关键词：

hard disk drive; repeatable runout; repetitive controller;

D O I：

10.1109/3516.928726

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 presents the repeatable runout (RRO) compensation in hard disk drives (HDDs). To cancel the RRO, we applied repetitive controllers for the tracking system. Through experiments, we obtained a high reduction ratio of from 10 to 45 dB for up to 10th harmonics component of the RRO. Furthermore, by switching filter parameters between in the learning state and the steady state, we obtained fast learning of less than two disk rotations.

引用

页码：132 / 136

页数：5