20 Active air-bag control system for building structures : Development of experimental apparatus and preliminary experimental tests

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  • 20 アクティブ・エアバッグ式制震システムの開発に関する研究 : 実験装置の概要と予備実験

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A new type of active control system named an 'active air-bag control system' is proposed for reducing responses of building structures under various kinds of external disturbances. And also, the active air-bag system aims to control maximum inter-story displacements of building structures for shock motions. Main concept of the active air-bag system for building structures is introduced from the idea of human safety system of automobiles. In order to investigate control effects of this system, an experimental apparatus was developed and preliminary experimental tests are executed. Air cylinders which can generate the active control force are adopted as control devices of active air-bag system, and those are located on the lowest story of the structural model. As testing results, remarkable reduction of vibrations can be observed on the response control of free vibrations and also for harmonic excitations.

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