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    題名: Aseismic Hybrid Control of Bridge Structures
    作者: Yang, J. N.;Li, Z.;Wu, Jong-cheng;Kawashima, K.
    貢獻者: 淡江大學土木工程學系
    日期: 1994-01
    上傳時間: 2011-10-23 20:33:27 (UTC+8)
    摘要: Recently, several hybrid protective systems have been explored for applications to seismic-excited bridge structures. In particular, two types of aseismic hybrid protective systems have been shown to be quite effective: (i) rubber bearings and variable dampers (or actuators), and (ii) sliding bearings and actuators. In this paper, control methods are presented for these hybrid protective systems. The control methods are based on the theory of variable structure system (VSS) or sliding mode control (SMC). Emphasis is placed on the static (direct) output feedback controllers using only the information measured from a few sensors without an observer. Simulation results demonstrate that the control methods presented are robust with respect to system parametric uncertainties and the performance is quite remarkable. Sensitivity studies are conducted to evaluate the effectiveness of hybrid protective systems and passive sliding isolators for reducing the response of seismic-excited bridge structures. The advantages of each protective system are demonstrated by simulation results for a wide range of earthquake intensities.
    關聯: Proceedings Fifth U.S. National Conf. on Earthqake Engineering, EERI
    DOI: 10.1002/eqe.4290241103
    顯示於類別:[土木工程學系暨研究所] 會議論文

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