シェル構造振動板を用いたアクティブ遮音制御(J02-2 シェル先端アプリケーション,J02 シェル構造の計算力学と先端アプリケーション)

概要

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The purpose of the present investigation is to design an active isolation control unit which attenuates transmission noise. Especially, the case where a shell structure diaphragm is applied to the control is investigated. At first, an active noise isolation unit is constructed with a flat plate and a piezoelectric vibrator connected by rod, which could be attached to a shell structure. The fundamental experiments of active isolation control are carried out in order to examine this actuator. The experimental results show that the transmission noise could be attenuated about 30〜40dB. And, it became clear that the actuator proposed by this research is effective to active isolation control.
一般社団法人日本機械学会の論文
2004-09-04