DocumentCode
845097
Title
Servo controller design for high-bandwidth HDDs
Author
Suh, Sang-Min ; Chung, Chung Choo ; Lee, Seung-Hi
Author_Institution
Div. of Electr. & Comput. Eng., Hanyang Univ., Seoul, South Korea
Volume
38
Issue
5
fYear
2002
fDate
9/1/2002 12:00:00 AM
Firstpage
2177
Lastpage
2179
Abstract
This paper presents a new controller design method for wide bandwidth servo systems. A new LQG/LTR design method is proposed to achieve a wide bandwidth servo controller. Both robustness and wide servo bandwidth are achieved, maximizing relative stability.
Keywords
control system synthesis; disc drives; hard discs; linear quadratic Gaussian control; robust control; servomechanisms; transfer functions; LQG/LTR design method; Nyquist plot; controller design method; high-bandwidth HDDs; loop transfer function; relative stability; robustness; servo controller design; wide bandwidth servo controller; wide servo bandwidth; Actuators; Bandwidth; Delay; Design methodology; Filters; Frequency; Resonance; Robustness; Servomechanisms; Transfer functions;
fLanguage
English
Journal_Title
Magnetics, IEEE Transactions on
Publisher
ieee
ISSN
0018-9464
Type
jour
DOI
10.1109/TMAG.2002.801858
Filename
1042129
Link To Document