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  1. 防災科研関係論文

MR流体を用いた可変粘性ダンパによる建築構造物のセミアクティブ免震

https://nied-repo.bosai.go.jp/records/5149
https://nied-repo.bosai.go.jp/records/5149
89ab75e4-45f5-431e-9b12-5f110f8f3983
Item type researchmap(1)
公開日 2023-03-30
タイトル
言語 ja
タイトル MR流体を用いた可変粘性ダンパによる建築構造物のセミアクティブ免震
タイトル
言語 en
タイトル Semi-active seismic isolation system with controllable viscous dampers using magneto-rheological fluid
著者 佐藤栄児

× 佐藤栄児

ja 佐藤栄児

en Eiji Sato

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藤田隆史

× 藤田隆史

ja 藤田隆史

en Takafumi Fujita

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抄録
内容記述タイプ Other
内容記述 Many base-isolated buildings have been constructed using passive isolation systems to reduce response accelerations of superstructures due to earthquakes. The trade-off in the passive systems is that large relative displacements are inevitable to achieve satisfactory reduction in the response accelerations. To solve this trade-off problem, a semi-active seismic isolation system with a controllable viscous damper using a magneto-rheological fluid has been developed. The damping force of the MR damper can easily be changed by altering the magnetic field. However, the MR damper's response to the control signal is delayed, resulting in a negative effect on control performance. To improve this defect, a control law which takes the delay into considerations was proposed for the semi-active seismic isolation system. This paper outlines the results of simulation and excitation tests on the semi-active seismic isolation system with the MR damper using the control law.
言語 en
書誌情報 ja : 日本機械学会論文集
en : Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C

巻 72, 号 5, p. 1428-1434
ISSN
収録物識別子タイプ ISSN
収録物識別子 0387-5024
DOI
関連識別子 10.1299/kikaic.72.1428
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