Dynamics & Design Conference
Online ISSN : 2424-2993
2017
セッションID: 201
会議情報

ばねの代わりに振り子を用いた 1 自由度振動系による免震と制振
*山下 航慈山田 啓介
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This paper describes a cart-type seismic isolator using restoring force of a pendulum instead of spring. This proposed seismic isolator is one degree of freedom vibration system. The natural frequency of the proposed method can be tuned easily with changing length of a pendulum. This characteristic is the advantage compared to the conventional methods. In addition, this paper describes the vibration suppression using the proposed cart as a dynamic vibration absorber. The optimum natural frequency and damping ratio of the proposed dynamic vibration absorber were theoretically derived using two fixed points method. The effectiveness of the proposed methods and theoretical analysis was verified through simulations and experiments.

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