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20 April 2000 Semiactive variable-damping liquid column dampers
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Semi-active systems are becoming increasingly attractive for structural control applications because they offer some of the best features of both the passive and active systems. This paper examines one such system in which a passive tuned liquid column damper is converted into a variable damping semi-active system. Different semi-active algorithms which are based on the clipped-optimal strategy and fuzzy control theory are used to simulate such a system. The main objective of this paper is to show the applicability of such a system and to discuss the semi-active algorithms needed to achieve performance that is comparable to active systems.
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Swaroop K. Yalla, Ahsan Kareem, and Jeffrey C. Kantor "Semiactive variable-damping liquid column dampers", Proc. SPIE 3988, Smart Structures and Materials 2000: Smart Systems for Bridges, Structures, and Highways, (20 April 2000);

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