Aseismic Hybrid Control of Bridge Structures

淡江大學機構典藏 > 工學院 > 土木工程學系暨研究所 > 會議論文 > Item 987654321/69894

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题名:	Aseismic Hybrid Control of Bridge Structures
作者:	Yang, J. N.;Li, Z.;Wu, Jong-cheng;Kawashima, K.
贡献者:	淡江大學土木工程學系
日期:	1994
上传时间:	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
显示于类别:	[土木工程學系暨研究所] 會議論文

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