지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.21 No.6
- 발행연도
- 2007.6
- 수록면
- 913 - 918 (6page)
이용수
초록· 키워드
오류제보하기
Seismic control performance of the magnetorheological (MR) damper, which has strong nonlinearity, varies with the dynamic characteristics of the structure and ground motion such as natural period, peak ground acceleration. The MR damper has a property of the friction damper so that the relative magnitude of the friction force over excitation intensity affects the control performance. In this study, through numerical analyses of single-degree-of-freedom (SDOF) structures, design spectra for the passive MR damper and optimal non-dimensional friction forces are suggested. Additionally, simple semi-active control algorithms modulating the friction force of the MR damper in accordance with structural responses are proposed and compared with each other and the passive MR damper. Finally, the condition that the semi-active control is more appropriate than the passive one is identified for reasonable selection of the control strategy.
목차
Abstract
1. Introduction
2. Passive MR damper
3. Design spectrum of the passive MR damper
4. Optimal non-dimensional friction force
5. Semi-active MR damper
6. Performance evaluation of the semi-active control algorithms
7. Concluding remarks
Acknowledgements
References
참고문헌 (6)
참고문헌 신청
Applied Technology Council, 1996, Seismic evaluation and retrofit of concrete buildings, Report ATC-40.
Cho, S. W., Cho, J. S., Kim, C. H. and Lee, I. W.,2005, “Smart Passive System Based on MR Damper,” Earthquake Engineering Society of Korea, Vol.9, No.1, pp.51~59.
Dyke, S. J., Spencer, Jr. B. F., Sain, M. K. and Carlson, J. D., 1996, “Modeling and Control of Magnetorheological Dampers for Seismic Response Reduction,” Smart Materials and Structures, Vol. 5, pp. 565~575.
Jansen, L. M. and Dyke, S. J., 2000, “Semiactive Control Strategies for MR Dampers: Comparative Study.” Journal of Engineering Mechanics, ASCE, Vol. 126, No. 8, pp.795~803.
Soong, T. T. and Dargush, G. F., 1997, “Passive Energy Dissipation Systems in Structural Engineering,” John Wiley & Sons.
Cho, S. W., Cho, J. S., Kim, C. H. and Lee, I. W.,2005, “Smart Passive System Based on MR Damper,” Earthquake Engineering Society of Korea, Vol.9, No.1, pp.51~59.
Dyke, S. J., Spencer, Jr. B. F., Sain, M. K. and Carlson, J. D., 1996, “Modeling and Control of Magnetorheological Dampers for Seismic Response Reduction,” Smart Materials and Structures, Vol. 5, pp. 565~575.
Jansen, L. M. and Dyke, S. J., 2000, “Semiactive Control Strategies for MR Dampers: Comparative Study.” Journal of Engineering Mechanics, ASCE, Vol. 126, No. 8, pp.795~803.
Soong, T. T. and Dargush, G. F., 1997, “Passive Energy Dissipation Systems in Structural Engineering,” John Wiley & Sons.
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UCI(KEPA) : I410-ECN-0101-2009-550-016694713