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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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A novel vibration control method for vibration reduction of a spacial structure subjected to earthquake excitation was proposed in this study. Generally, spatial structures have various vibration modes involving high-order modes and their natural frequencies are closely spaced. Therefore, in order to control these modes, a spatially distributed MTMDs (Multiple TMDs) method is proposed previously. MR (Magnetorheological) damper were used to enhance the control performance of the MTMDs. Accordingly, MSTMDs (Multiple Smart TMDs) were proposed in this study. An arch structure was used as an example structure because it has primary characteristics of spatial structures and it is a comparatively simple structure. MSTMDs were applied to the example arch structure and the seismic control performance were evaluated based on the numerical simulation. Fuzzy logic control algorithm (FLC) was used to generate command voltages sent for MSTMSs and the FLC was optimized by genetic algorithm. Based on the analytical results, it has been shown that the MSTMDs effectively decreased the dynamic responses of the arch structure subjected to earthquake loads.
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참고문헌 (16)
참고문헌 신청
Kawaguchi, K. / 1997 / A report on large roof structures damaged by the Great Hanshin-Awaji Earthquake / International Journal of Space Structures 12:134~147
Kawaguchi, K / 2005 / Damage investigations of public hall in Nagaoka city after Niigata-Chuetu earthquake 2004 in Japan / Proceedings of the International Symposium of Shell and Spatial Structures :421~428
Kawaguchi, K. / 2013 / Non-structural components and life safety in large rooms of spatial structures / Proceedings of the IASS Symposium :23~27
Farghaly, A. A. / 2012 / Optimum design of TMD system for tall buildings / International Journal of Optimization in Civil Engineering 2(4):511~532
Xu, Y. L. / 1992 / Control of wind-induced tall building vibration by tuned mass dampers / Journal of Wind Engineering and Industrial Aerodynamics 40(1):1~32
Kawaguchi, K / 2005 / Damage investigations of public hall in Nagaoka city after Niigata-Chuetu earthquake 2004 in Japan / Proceedings of the International Symposium of Shell and Spatial Structures :421~428
Kawaguchi, K. / 2013 / Non-structural components and life safety in large rooms of spatial structures / Proceedings of the IASS Symposium :23~27
Farghaly, A. A. / 2012 / Optimum design of TMD system for tall buildings / International Journal of Optimization in Civil Engineering 2(4):511~532
Xu, Y. L. / 1992 / Control of wind-induced tall building vibration by tuned mass dampers / Journal of Wind Engineering and Industrial Aerodynamics 40(1):1~32
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