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Proceedings Paper

Genetic algorithm optimization of feedback control systems
Author(s): Douglas K. Lindner; Gregory A. Zvonar; George C. Kirby; Grant M. Emery
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Paper Abstract

In this paper we are concerned with Smart Materials that contain many actuators and sensors along with digital signal processing electronics that allow for the implementation of a control algorithm. Smart Materials have been proposed for the active control of sound from a vibrating structure. Here we investigate the design of structural control systems for these Smart Structures for noise suppression. First we model the radiated acoustic waves in terms of the velocity of the surface of the structure. Then we formulate an optimal control problem as a linear system that has a transmission zero in the path between the disturbance force and the shape that radiates best. A geometric description of the problem relates control problem to the acoustics. This optimal control problem is solved using a genetic algorithm.

Paper Details

Date Published: 31 May 1996
PDF: 12 pages
Proc. SPIE 2715, Smart Structures and Materials 1996: Mathematics and Control in Smart Structures, (31 May 1996); doi: 10.1117/12.240829
Show Author Affiliations
Douglas K. Lindner, Virginia Polytechnic Institute and State Univ. (United States)
Gregory A. Zvonar, Virginia Polytechnic Institute and State Univ. (United States)
George C. Kirby, Naval Research Lab. (United States)
Grant M. Emery, Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 2715:
Smart Structures and Materials 1996: Mathematics and Control in Smart Structures
Vasundara V. Varadan; Jagdish Chandra, Editor(s)

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