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タイトルApproximation methods for control of structural acoustics models with piezoceramic actuators
著者(英)Silcox, R. J.; Fang, W.; Banks, H. T.; Smith, R. C.
著者所属(英)NASA Langley Research Center; NASA Headquarters
発行日1993-01-01
言語eng
内容記述The active control of acoustic pressure in a 2-D cavity with a flexible boundary (a beam) is considered. Specifically, this control is implemented via piezoceramic patches on the beam which produces pure bending moments. The incorporation of the feedback control in this manner leads to a system with an unbounded input term. Approximation methods in this manner leads to a system with an unbounded input term. Approximation methods in this manner leads to a system with an unbounded input team. Approximation methods in the context of linear quadratic regulator (LQR) state space control formulation are discussed and numerical results demonstrating the effectiveness of this approach in computing feedback controls for noise reduction are presented.
NASA分類ACOUSTICS
レポートNO93A23744
権利Copyright


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