Dynamics & Design Conference
Online ISSN : 2424-2993
セッションID: 621
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圧電素子の誘電正接増幅による平板型支持構造物の振動絶縁性能の向上
*澤村 慧山田 啓介
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This paper describes a method to improve vibration isolation performance. The purpose of this research is to suppress the resonance without increasing the displacement transmissibility in the frequency region higher than the natural frequency of the plate-type support structure. Because it is impossible to be achieved with the viscous damping, we use hysteresis damping in this research. In this research, we use a method of amplifying the dielectric loss tangent of a piezoelectric element by using a negative capacitance circuit because the dielectric loss tangent of the piezoelectric element is categorized into the hysteresis damping. The effectiveness of the proposed method was verified through simulations and experiments.

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