109 バイモルフ圧電素子を用いたアクティブ遮音パネルの開発 : 第 2 報 : フィードバック実験

概要

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This paper describes the active control systems for reducing floor impulse noise. The control system is comprised of actively controlled modular thin plates, which wholly cover the surface of concrete slab structure in the ceiling, and in each of which the mechanical vibration is controlled independently with bimorph type piezoelectric actuators. An active control system of modular plate is presented where five actuators and five sensors are applied to control low frequency modes of bending vibration in the plate. The control system is now under development, where main subjects are; 1) designing of vibration characteristics of modular insulation plate, 2) the active control system appropriate to the characteristics. Subject 2) is mainly discussed here.
一般社団法人日本機械学会の論文
2003-06-24