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http://dx.doi.org/10.5000/EESK.2009.13.3.039

Seismic Response Control of Adjacent Structures by Semi-Active Fuzzy Control of Magneto-Rheological Damper  

Kim, Min-Seob (동국대학교 건축공학과)
Ok, Seung-Yong (서울대학교 교량설계핵심기술연구단)
Park, Kwan-Soon (동국대학교 건축공학과)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.13, no.3, 2009 , pp. 39-50 More about this Journal
Abstract
In this paper, a method for reducing seismic responses of adjacent buildings is studied that involves connecting two buildings with energy-dissipating devices, such as MR dampers. For the vibration control of the adjacent buildings, a fuzzy control technique with semi-active MR dampers is proposed. A fuzzy controller, which can appropriately modulate the damping forces by controlling the input voltage in real time, is designed according to the proposed method. To verify the validity of the proposed method, numerical simulations are performed. In the numerical simulations, historical earthquake records with diverse frequency contents and different peak values are used. For the purpose of comparison, an uncontrolled system, a passive control system and a semi-active fuzzy control system are considered. The comparative results prove the effectiveness of the proposed control technique, i.e. the numerical results show that the fuzzy controlled semi-active MR dampers can effectively reduce the earthquake responses of the adjacent structures.
Keywords
Adjacent buildings; Semi-active MR damper; Fuzzy controller; Seismic response;
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Times Cited By KSCI : 2  (Citation Analysis)
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