661 振子型動吸振器による吊橋の連成フラッタの制御(最適設計方法とロバスト性に関する考察)

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This paper deals with the design method for a tuned pendulum damper (TPD) to suppress the wind induced coupled flutter of a bridge deck, and deals with the effect of a multiple TPD (MTPD) in order to improve the robustness of the single TPD. The design method for TPD is established using control theory on stability for the coupled flutter which is a self exciting vibration system related to asymmetry of the stiffness and damping matrices. This method is extended to the design for MTPD. Thus, it is confirmed that the robustness against tuning error of TPD's frequency and damping is increased by MTPD.
2000-09-01