Control of modulated vibration using an enhanced adaptive filtering algorithm based on model-based approach

Title
Control of modulated vibration using an enhanced adaptive filtering algorithm based on model-based approach
Author(s)
김병일Gregory N. Washington[Gregory N. Washington]Rajendra Singh[Rajendra Singh]
Keywords
ACTIVE CONTROL; SIDE-BAND
Issue Date
201208
Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Citation
JOURNAL OF SOUND AND VIBRATION, v.331, no.18, pp.4101 - 4114
Abstract
Conventional adaptive filtering algorithms, typically limited to the control of single or multiple sinusoids, are not appropriate to control modulated vibrations, especially in the presence of rich side band structures. To overcome this deficiency, a new control algorithm is proposed that introduces a feedback loop with the model predictive sliding mode control (MPSMC) in the adaptive filtering system. Several amplitude and frequency modulation cases are first computationally studied, and conventional and proposed methods are comparatively evaluated in terms of estimation error, performance in time and frequency domains, stability, and uncertainty in the reference signal. To experimentally validate the proposed algorithm, an active strut (with longitudinal vibrations) is constructed. Overall, the proposed adaptive algorithm yields superior reductions at the main frequencies and at side bands; also, good attenuation is found on a broadband basis. (C) 2012 Elsevier Ltd. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/27532http://dx.doi.org/10.1016/j.jsv.2012.04.007
ISSN
0022-460X
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공과대학 > 기계공학부 > Articles
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