日本機械学会論文集 C編
Online ISSN : 1884-8354
Print ISSN : 0387-5024
2リンク・3関節を持つアーム形ダンパの研究
回転粘性ダンパを用いた場合
河野 晋也大亦 絢一郎岡野 恭久松岡 太一
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70 巻 (2004) 698 号 p. 2822-2829

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In this paper, a new type of arm-type damper consisting of two links, two joints (universal joints with friction) and a hinge (a rotary oil damper) has been developed. The damper is able to suppress six modes of vibration of a machine, three in translational modes and three in rotational modes. The trial damper was made and the resisting force characteristics in the three translational directions were discussed theoretically and experimentally. The seismic responses of a three-degree-of-freedom system and the frequency response of a one-degree-of-freedom system, which consist of a mass and four coil springs and supported by the damper, were measured using a two-dimensional electro-hydraulic type shaking table. The experimental results are compared with the calculated ones, and the effects of vibration suppression of the damper are discussed.

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