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Proceedings Paper

Active control of dispersive waves: coupling finite-dimensional control system using isospectra
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Paper Abstract

A new scheme for designing closed-loop control of dispersive waves in elastic structures is reported in this article. This scheme takes advantage of the dissipative characteristics of visco-elastic materials, and the isospectral properties of the visco-elastic system are used to design the feedback controller for the undamped structural system to realize the desired characteristics of the closed-loop system. Numerical results are presented in the form of frequency-response and wave-transmission characteristics, and these results show the promise of the proposed scheme.

Paper Details

Date Published: 27 March 2006
PDF: 10 pages
Proc. SPIE 6166, Smart Structures and Materials 2006: Modeling, Signal Processing, and Control, 61661L (27 March 2006); doi: 10.1117/12.658892
Show Author Affiliations
D. Roy Mahapatra, Wilfrid Laurier Univ. (Canada)
B. Balachandran, Univ. of Maryland, College Park (United States)


Published in SPIE Proceedings Vol. 6166:
Smart Structures and Materials 2006: Modeling, Signal Processing, and Control
Douglas K. Lindner, Editor(s)

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