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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 113 - 123 (11page)
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이 논문의 연구 히스토리 (8)
2016
2009
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This paper is concerned with an experimental research to control of random vibration caused by external loads specially in cable-stayed bridges which tend to be structurally flexible. For the vibration control, we produced a model structure modelled on Seohae Grand Bridge, and we designed a shear type MR damper. On the center of its middle span, we placed a shear type MR damper which was to control its vibration and also acquire its structural responses such as displacement and acceleration at the same site. The experiments concerning controlling vibration were performed according to a variety of theories including un-control, passive on/off control, and clipped-optimal control. Its control performance was evaluated in terms of the absolute maximum displacements, RMS displacements, the absolute maximum accelerations, RMS accelerations, and the total power required to control the bridge which differ from each different experiment method. Among all the methods applied in this paper, clipped-optimal control method turned out to be the most effective to reduces of displacements, accelerations, and external power. Finally, It is proven that the clipped-optimal control method was effective and useful in the vibration control employing a semi-active devices such MR damper.
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참고문헌 (28)
참고문헌 신청
Carlson JD / 1996 / Magneto- rheological Fluid Dampers for Semi-active Seismic Control / Proc, 3rd International Conference on Motion and Vibration Control 3:5~40
Datta TK / 2003 / A State-of-Art Review on Active Control of Structures / ISET Journal of Earthquake Technology 40(1):1~17
Dyke SJ / 1998 / An Experimental Study of MR Dampers for Seismic Protection / Smart Materials and Structures:Special Issue on Large Civil Structures 7:693~703
Dyke SJ / 2001 / Introducing a Benchmark control Problem for a Cable-stayed bridge subjected to seismic excitation / Earthquake Engineering; Earthquake Engineering Frontiers in the New Millennium :287~292
Ewins D J / 2000 / Modal Testing: Theory, Practice and Application / R.S.P
Datta TK / 2003 / A State-of-Art Review on Active Control of Structures / ISET Journal of Earthquake Technology 40(1):1~17
Dyke SJ / 1998 / An Experimental Study of MR Dampers for Seismic Protection / Smart Materials and Structures:Special Issue on Large Civil Structures 7:693~703
Dyke SJ / 2001 / Introducing a Benchmark control Problem for a Cable-stayed bridge subjected to seismic excitation / Earthquake Engineering; Earthquake Engineering Frontiers in the New Millennium :287~292
Ewins D J / 2000 / Modal Testing: Theory, Practice and Application / R.S.P
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