Vibration Control of Plan-Asymmetric Buildings Using Active TLCGD

Chuan Fu

doi:10.4028/www.scientific.net/AMR.163-167.3461

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 163-167Vibration Control of Plan-Asymmetric Buildings...

Vibration Control of Plan-Asymmetric Buildings Using Active TLCGD

Abstract:

This paper examines the effectiveness of the Active Tuned Liquid Column Gas Damper (ATLCGD) when equipped on the plan-asymmetric structures subjected to earthquake excitation. The active behaviour is obtained by adjusting the pressure at the end of the liquid column using a pressurised reservoir. The classical linear quadratic regulator (LQR) control strategy is applied to determine optimal control force of the ATLCGDs. A case study of a four-storey asymmetric structure is conducted to illustate excellent control efficacy of the proposed active TLCGD control system.

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Periodical:

Advanced Materials Research (Volumes 163-167)

Pages:

3461-3464

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.163-167.3461

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Online since:

December 2010

Authors:

Chuan Fu

Keywords:

Active Control, Asymmetric Building, LQR Algorithm

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References

[1] Fu C: Vienna University of Technology, Austria, (2008).

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[2] Ziegler F, Fu C : Proc. of The 8th Int. Conf. on Multi-Purpose High-rise Towers and Tall Buildings. (2007) pp.1-13.

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[3] Fu C: Structural Engineering and Mechanics. Vol 33 (2009), p.339.

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[4] Föllinger O: Optimale Regelung und Steuerung. (Oldenbourg 1994).

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[5] Lewis FL, Syrmos VL: Optimal Control. (Wiley, New York 1995). Figure 2: RMS response of the relative floor displacement and of the relative floor acceleration of the four-storey asymmetric building (El Centro, angle of attack).

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