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https://hdl.handle.net/2440/16610
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Type: | Journal article |
Title: | Acoustic cluster control of noise radiated from a planar structure |
Author: | Tanaka, N. Fukuda, R. Hansen, C. |
Citation: | Journal of the Acoustical Society of America, 2005; 117(6):3686-3694 |
Publisher: | Acoustical Soc Amer Amer Inst Physics |
Issue Date: | 2005 |
ISSN: | 0001-4966 1520-8524 |
Statement of Responsibility: | Nobuo Tanaka, Ryoji Fukuda, and Colin H. Hansen |
Abstract: | Acoustic cluster control is proposed for the purpose of achieving global sound attenuation of a planar structure. First, acoustic cluster filtering using a point sensor array is presented, which enables the grouping of sound radiated from a target object into a set of clusters, such that each cluster possesses the same common characteristics. This allows the possibility of extracting the cluster of interest without causing observation spillover. Based on the principle of reciprocity, cluster actuation using a point source array is then presented. Driving the source array in accordance with a proposed control law, the excitation of the designated cluster is performed without causing control spillover. Moreover, by combining both acoustic cluster filtering and acoustic cluster actuation, acoustic cluster control may be performed. In implementing acoustic cluster control, the necessary and sufficient condition for the acoustic cluster control is illustrated. It is also shown that the sound radiated from a planar structure may be captured in appropriate acoustic cluster filtering so that acoustic cluster control may be implemented. Experiment was conducted demonstrating the capability as well as the validity of the acoustic cluster filtering, actuation, and control for suppressing the noise radiated from a rectangular panel. |
Description: | © 2005 Acoustical Society of America. |
DOI: | 10.1121/1.1920187 |
Published version: | http://dx.doi.org/10.1121/1.1920187 |
Appears in Collections: | Aurora harvest 2 Environment Institute publications Mechanical Engineering publications |
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