In a previous paper the authors proposed a semi-active vibration control device (VCD) that generates power. The device utilizes a ball screw, and has inertial and damping forces. The damping coefficient is adjusted by altering resistance at the terminal of the power generator. A small-scale VCD was manufactured for experimental testing. Frequency responses of a small-scale spring mass structure were measured in order to confirm the effects of vibration suppression within a wide range of frequencies. In this paper, as the next step, vibration tests using a benchmark structure with an installed VCD that has a 30 kN capacity are carried out at the National Center for Research on Earthquake Engineering (NCREE) in Taiwan. The benchmark structure has three stories with a 3 m height and a mass of 6 tons at each floor level for a total height and weight of 9 m and 18 tons, respectively. The VCDs are installed between adjacent floors with steel chevron braces. A simple control law that is based on a minimized Lyapunov function and employs bang-bang operation is used as a variable current controller instead of the modifying the resistance level of the VCD. Scaled earthquake motions including the Imperial Valley El Centro north-south component that is normalized to be a peak level of 0.5 m/s2, are applied to the base of the steel framed structure in the horizontal direction by a shaking table. Experimental responses of each floor for the uncontrolled and controlled cases are compared with analytical responses, and effects of vibration suppression for the large-scale model are discussed quantitatively.
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ASME 2009 Pressure Vessels and Piping Conference
July 26–30, 2009
Prague, Czech Republic
Conference Sponsors:
- Pressure Vessels and Piping
ISBN:
978-0-7918-4371-0
PROCEEDINGS PAPER
Seismic Performance of Vibration Control Device That Generates Power
Taichi Matsuoka,
Taichi Matsuoka
Akita University, Akita, Japan
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Katsuaki Sunakoda,
Katsuaki Sunakoda
Akita University, Akita, Japan
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Kazuhiko Hiramoto,
Kazuhiko Hiramoto
Akita University, Akita, Japan
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Issei Yamazaki,
Issei Yamazaki
Akita University, Akita, Japan
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Akira Fukukita,
Akira Fukukita
Shimizu Corporation, Tokyo, Japan
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Paul N. Roschke,
Paul N. Roschke
Texas A&M University, College Station, TX
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Chin-Hsiung Loh,
Chin-Hsiung Loh
National Taiwan University, Taipei, Taiwan
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Pei-Yang Lin
Pei-Yang Lin
National Center for Research on Earthquake Engineering, Taipei, Taiwan
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Taichi Matsuoka
Akita University, Akita, Japan
Katsuaki Sunakoda
Akita University, Akita, Japan
Kazuhiko Hiramoto
Akita University, Akita, Japan
Issei Yamazaki
Akita University, Akita, Japan
Akira Fukukita
Shimizu Corporation, Tokyo, Japan
Paul N. Roschke
Texas A&M University, College Station, TX
Chin-Hsiung Loh
National Taiwan University, Taipei, Taiwan
Pei-Yang Lin
National Center for Research on Earthquake Engineering, Taipei, Taiwan
Paper No:
PVP2009-77695, pp. 255-262; 8 pages
Published Online:
July 9, 2010
Citation
Matsuoka, T, Sunakoda, K, Hiramoto, K, Yamazaki, I, Fukukita, A, Roschke, PN, Loh, C, & Lin, P. "Seismic Performance of Vibration Control Device That Generates Power." Proceedings of the ASME 2009 Pressure Vessels and Piping Conference. Volume 8: Seismic Engineering. Prague, Czech Republic. July 26–30, 2009. pp. 255-262. ASME. https://doi.org/10.1115/PVP2009-77695
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