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
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.23 No.1
- 발행연도
- 2019.1
- 수록면
- 91 - 106 (16page)
이용수
초록· 키워드
오류제보하기
Adopting sloped rolling-type isolation devices underneath a raised floor system has been proved as one of the most effective approaches to mitigate seismic responses of the protected equipment installed above. However, pounding against surrounding walls or other obstructions may occur if such a base-isolated raised floor system is subjected to long-period excitation, leading to adverse effects or even more severe damage. In this study, real-time hybrid simulation (RTHS) is adopted to assess the control performance of a smart base-isolated raised floor system as it is an efficient and cost-effective experimental method. It is composed of multiple sloped rolling-type isolation devices, a rigid steel platen, four magnetorheological (MR) dampers, and protected high-tech equipment. One of the MR dampers is physically tested in the laboratory while the remainders are numerically simulated. In order to consider the effect of input excitation characteristics on the isolation performance, the smart base-isolated raised floor system is assumed to be located at the roof of a building and the ground level. Four control algorithms are designed for the MR dampers including passive-on, switching, modified switching, and fuzzy logic control. Six artificial spectrum-compatible input excitations and three slope angles of the isolation devices are considered in the RTHS. Experimental results demonstrate that the incorporation of semi-active control into a base-isolated raised floor system is effective and feasible in practice for high-tech industry.
목차
등록된 정보가 없습니다.
참고문헌 (21)
참고문헌 신청
2010 / AC156, Acceptance Criteria for Seismic Qualification by Shake-table Testing of Nonstructural Components and Systems / ICC Evaluation Service inc
Arash Bahar / 2018 / Seismic protection of smart base-isolated structures using negative stiffness device and regulated damping / Smart Structures and Systems, An International Journal 21(3):359~371
Chae, Y. / 2013 / Adaptive time series compensator for delay compensation of servohydraulic actuator systems for real-time hybrid simulation / Earthq. Eng. Struct. D 42(11):1697~1715
Juin‐Fu Chai / 2002 / Modeling of phase spectrum to simulate design ground motions / Journal of the Chinese Institute of Engineers 25(4):447~459
Pei-Ching Chen / 2013 / Dual compensation strategy for real-time hybrid testing / Earthquake Engineering & Structural Dynamics 42(1):1~23
Arash Bahar / 2018 / Seismic protection of smart base-isolated structures using negative stiffness device and regulated damping / Smart Structures and Systems, An International Journal 21(3):359~371
Chae, Y. / 2013 / Adaptive time series compensator for delay compensation of servohydraulic actuator systems for real-time hybrid simulation / Earthq. Eng. Struct. D 42(11):1697~1715
Juin‐Fu Chai / 2002 / Modeling of phase spectrum to simulate design ground motions / Journal of the Chinese Institute of Engineers 25(4):447~459
Pei-Ching Chen / 2013 / Dual compensation strategy for real-time hybrid testing / Earthquake Engineering & Structural Dynamics 42(1):1~23
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