DocumentCode
1320257
Title
Simple disturbance observer for disturbance compensation
Author
Du, C. ; Li, Huaqing ; Thum, C.K. ; Lewis, Frank L. ; Wang, Yannan
Author_Institution
A*STAR, Data Storage Inst. (DSI), Singapore, Singapore
Volume
4
Issue
9
fYear
2010
fDate
9/1/2010 12:00:00 AM
Firstpage
1748
Lastpage
1755
Abstract
Disturbance observer (DOB) without using additional sensors is an attractive method to attenuate the effects of disturbances as they are highly cost effective. This study proposes a simple form of DOBs, which does not need to solve the plant model inverse, and uses H∞ control method to design the Q-filter in the DOB. The conventional form is proved to be a special case of the proposed form. Comparison to the conventional form of DOBs is made and the significance of the proposed method in DOB design and disturbance attenuation is verified via simulation and experimental results.
Keywords
H∞ control; compensation; filtering theory; observers; DOB; H∞ control method; Q-filter; disturbance attenuation; disturbance compensation; disturbance observer; plant model inverse;
fLanguage
English
Journal_Title
Control Theory & Applications, IET
Publisher
iet
ISSN
1751-8644
Type
jour
DOI
10.1049/iet-cta.2009.0178
Filename
5570042
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