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Semi-active Seismic Isolation System with Controllable Friction Dampers Using Piezoelectric Actuators
https://nied-repo.bosai.go.jp/records/3138
https://nied-repo.bosai.go.jp/records/31388528548b-fa6c-467a-9b32-59f12d45248b
Item type | researchmap(1) | |||||||||||||
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公開日 | 2023-03-30 | |||||||||||||
タイトル | ||||||||||||||
言語 | ja | |||||||||||||
タイトル | Semi-active Seismic Isolation System with Controllable Friction Dampers Using Piezoelectric Actuators | |||||||||||||
タイトル | ||||||||||||||
言語 | en | |||||||||||||
タイトル | Semi-active Seismic Isolation System with Controllable Friction Dampers Using Piezoelectric Actuators | |||||||||||||
言語 | ||||||||||||||
言語 | eng | |||||||||||||
著者 |
SATO Eiji
× SATO Eiji
× FUJITA Takafumi
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抄録 | ||||||||||||||
内容記述タイプ | Other | |||||||||||||
内容記述 | Semi-active seismic isolation systems using controllable friction dampers had been proposed to reduce response acceleration and displacement compared with those of passive systems, although there was the problem that the dampers might fail to generate damping forces due to malfunctions in strong earthquakes. To solve the problem, a new type of controllable friction damper with a fail-safe mechanism was developed in this study. For the damper, piezoelectric actuators were used to make the mechanism simple since piezoelectric actuators are compact, can produce quick responses and produce large forces. Several experiments were conducted to obtain the characteristics of the new controllable friction damper. Moreover, numerical simulations and excitation tests were carried out for the semi-active seismic isolation system using the new controllable friction damper, showing good performance in the reduction of response acceleration and displacement together with higher reliability and safety compared with systems using conventional controllable friction dampers. | |||||||||||||
言語 | ja | |||||||||||||
抄録 | ||||||||||||||
内容記述タイプ | Other | |||||||||||||
内容記述 | Semi-active seismic isolation systems using controllable friction dampers had been proposed to reduce response acceleration and displacement compared with those of passive systems, although there was the problem that the dampers might fail to generate damping forces due to malfunctions in strong earthquakes. To solve the problem, a new type of controllable friction damper with a fail-safe mechanism was developed in this study. For the damper, piezoelectric actuators were used to make the mechanism simple since piezoelectric actuators are compact, can produce quick responses and produce large forces. Several experiments were conducted to obtain the characteristics of the new controllable friction damper. Moreover, numerical simulations and excitation tests were carried out for the semi-active seismic isolation system using the new controllable friction damper, showing good performance in the reduction of response acceleration and displacement together with higher reliability and safety compared with systems using conventional controllable friction dampers. | |||||||||||||
言語 | en | |||||||||||||
書誌情報 |
ja : Journal of Environment and Engineering en : Journal of Environment and Engineering 巻 2, 号 2, p. 215-226, 発行日 2007 |
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出版者 | ||||||||||||||
言語 | ja | |||||||||||||
出版者 | 一般社団法人 日本機械学会 | |||||||||||||
出版者 | ||||||||||||||
言語 | en | |||||||||||||
出版者 | The Japan Society of Mechanical Engineers | |||||||||||||
ISSN | ||||||||||||||
収録物識別子タイプ | ISSN | |||||||||||||
収録物識別子 | 1880-988X | |||||||||||||
DOI | ||||||||||||||
関連識別子 | 10.1299/jee.2.215 |