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タイトル: Efficient Active Suppression of Vibration Based upon Explicit Treatment of Actuator Characteristics
その他のタイトル: アクチュエータの特性の精密な扱いに基づいた効率的なアクティブ制震
著者: Higashihara, Hiromichi
Indrawan, Benjamin
著者(別言語): 東原, 紘道
Indrawan, Benjamin
発行日: 1991年12月27日
出版者: 東京大学地震研究所
掲載誌情報: 東京大学地震研究所彙報. 第66冊第3号, 1991.12.27, pp. 517-552
抄録: A new approach to efficient active suppression of seismic vibration of structures is developed. The key concept of the new method is explicit treatment of the characteristics of the actuators: power limit and delay of response. Actuators with the newly developed control criterion can work even under extremely large seismic loading. In order to achieve the objectives, the classical theory of optimal control is applied and optimality conditions of operation of the actuators are obtained. A solution procedure is proposed for one-degree-of-freedom system, and a concise control criterion is derived. The controllability of the proposed procedure is investigated by a synthesis procedure. Next, the case of a delayed actuator is studied by modeling it with a first-order differential equation, and a similar concise criterion is obtained. Finally, the efficiency of the present method is examined by means of numerical simulation. The result shows high efficiency of the proposed method in suppressing the excessive vibration responses, in comparison to the classical regulator method.
URI: http://hdl.handle.net/2261/13091
ISSN: 00408972


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