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Smart Structures and Systems Volume 12, Number 6, December 2013 , pages 695-705 DOI: https://doi.org/10.12989/sss.2013.12.6.695 |
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Damping updating of a building structure installed with an MR damper |
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Sung-Sik Woo and Sang-Hyun Lee
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| Abstract | ||
| The purpose of this paper is to identify through experiments the finite element (FE) model of a building structure using a magnetorheological (MR) fluid damper. The FE model based system identification (FEBSI) technique evaluates the control performance of an MR damper that has nonlinear characteristics as equivalent linear properties such as mass, stiffness, and damping. The Bingham and Bouc-Wen models were used for modeling the MR damper and the equivalent damping increased by the MR damper was predicted by applying an equivalent linearization technique. Experimental results indicate that the predicted equivalent damping matches well with the experimentally obtained damping. | ||
| Key Words | ||
| damping updating; system identification; equivalent linearization; MR damper | ||
| Address | ||
| Sung-Sik Woo and Sang-Hyun Lee : Department of Architectural Engineering, Dankook University, 126, Yongin-city, Korea | ||