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Narrow-band control experiments in active vibration isolation
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Publications
Narrow-band control experiments in active vibration isolation
Narrow-band control experiments in active vibration isolation
JS
John T. Spanos
John T. Spanos
ZR
Zahidul H. Rahman
Zahidul H. Rahman
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4 October 1994
conference paper
Published by
SPIE-Intl Soc Optical Eng
Vol. 2264
,
13-19
https://doi.org/10.1117/12.188862
Abstract
This paper presents experimental results in active vibration isolation using a new version of the adaptive Least Mean Squares control algorithm. The algorithm is implemented digitally as a tracking notch filter in an experiment where the actuator and error sensor are collocated. A pair of all-pass filters are utilized to generate the sine and cosine signals needed by the adaptive filter and troublesome modes of the plant are identified off-line and cancelled by direct inversion. The closed loop system shows two orders of magnitude reduction in force transmissibility over open loop and over a decade of frequencies.© (1994) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Keywords
LINEAR FILTERING
ACTUATORS
ADAPTIVE FILTER
VIBRATION ISOLATION
SENSORS
LEAST MEAN SQUARE
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Cited by 9 articles