319 建築構造物の風による動的応答制御のためのアクティブフィンシステムの制御則に関する実験的研究(建築構造物の制御I)(OS 建築構造物の制御)

概要

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An active fin system is introduced as a new type of wind-resistant response controller for building structures. In this paper, emphasis is put on control method for directly generating and tuning wind-resistant forces on active fins. By evaluating for transitional states on growth of wind forces by accompanying to transformations of active fins, Magnus effects are appeared as significant factors on multi-directional response control operations by using active fins. To effectively utilizing those aerodynamic properties caused by Magnus effects, transforming pass and rotating orientations to change configurations of active fins should be carefully estimated on control methods. Through wind tunnel tests on a small-scaled structural model, control effects of the active fin system are investigated. As a result, it is assured that remarkable response controls can be gained by introducing very simple control algorithm which is composed by only three kinds of configurations as the open mode and the leftward / rightward mode of active fins.
社団法人日本機械学会の論文
2001-04-20