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Frequency-shaped high-gain compensator for optical disk drive control system SCIE SCOPUS

Title
Frequency-shaped high-gain compensator for optical disk drive control system
Authors
Kim, HRChoi, YSuh, IHChung, WK
Date Issued
2008-10
Publisher
INST ENGINEERING TECHNOLOGY-IET
Abstract
A frequency-shaped high-gain (FSHG) compensator is proposed and implemented for optical disk drive control systems, such as CD or DVD servo systems. The FSHG compensator is obtained by modifying an error-based disturbance observer. The FSHG compensator can be easily realised as a form of a low cost analogue circuit. The disturbance rejection performance can also be easily improved by filter parameters in the FSHG compensator. Design guidelines for the filter parameters (numerator order and filter time constant) are also suggested in this paper. Finally, the effectiveness of the FSHG compensator is shown through experimental results showing disturbance rejection performance evaluated under forced disturbances.
Keywords
DISTURBANCE-OBSERVER; MOTION CONTROL; DESIGN; PERFORMANCE; TABLE
URI
https://oasis.postech.ac.kr/handle/2014.oak/29097
DOI
10.1049/iet-cta:20070025
ISSN
1751-8644
Article Type
Article
Citation
IET CONTROL THEORY AND APPLICATIONS, vol. 2, no. 10, page. 851 - 859, 2008-10
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정완균CHUNG, WAN KYUN
Dept of Mechanical Enginrg
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