We present a prototype vibration isolator whose design is inspired by origami-based foldable cylinders with torsional buckling patterns. The vibration isolator works as a nonlinear spring that has quasi-zero spring stiffness in a given frequency region, where it does not transmit vibration in theory. We evaluate the performance of the prototype vibration isolator through excitation experiments via the use of harmonic oscillations and seismic-wave simulations of the Tohoku-Pacific Ocean and Kobe earthquakes. The results indicate that the isolator with the current specification is able to suppress the transmission of vibrations with frequencies of over 6 Hz. The functionality and constraints of the isolator are also clarified. It has been known that origami-based foldable cylinders with torsional buckling patterns provide bistable folding motions under given conditions. In a previous study, we proposed a vibration isolator utilizing the bistability characteristics and numerically confirmed the device's validity as a vibration isolator. Here, we attempt prototyping the isolator with the use of versatile metallic components and experimentally evaluate the isolation performance.
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October 2017
Research-Article
Design and Experimental Analysis of Origami-Inspired Vibration Isolator With Quasi-Zero-Stiffness Characteristic
Sachiko Ishida,
Sachiko Ishida
Senior Assistant Professor
Mem. ASME
Department of Mechanical Engineering,
School of Science and Technology,
Meiji University,
1-1-1, Higashimita,
Kawasaki, Kanagawa 2148571, Japan
e-mail: sishida@meiji.ac.jp
Mem. ASME
Department of Mechanical Engineering,
School of Science and Technology,
Meiji University,
1-1-1, Higashimita,
Kawasaki, Kanagawa 2148571, Japan
e-mail: sishida@meiji.ac.jp
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Kohki Suzuki,
Kohki Suzuki
Department of Mechanical Engineering,
Graduate School of Science and Technology,
Meiji University,
1-1-1, Higashimita,
Kawasaki, Kanagawa 2148571, Japan
Graduate School of Science and Technology,
Meiji University,
1-1-1, Higashimita,
Kawasaki, Kanagawa 2148571, Japan
Search for other works by this author on:
Haruo Shimosaka
Haruo Shimosaka
Professor
Department of Mechanical Engineering,
School of Science and Technology,
Meiji University,
1-1-1, Higashimita,
Kawasaki, Kanagawa 2148571, Japan
e-mail: hshimos@meiji.ac.jp
Department of Mechanical Engineering,
School of Science and Technology,
Meiji University,
1-1-1, Higashimita,
Kawasaki, Kanagawa 2148571, Japan
e-mail: hshimos@meiji.ac.jp
Search for other works by this author on:
Sachiko Ishida
Senior Assistant Professor
Mem. ASME
Department of Mechanical Engineering,
School of Science and Technology,
Meiji University,
1-1-1, Higashimita,
Kawasaki, Kanagawa 2148571, Japan
e-mail: sishida@meiji.ac.jp
Mem. ASME
Department of Mechanical Engineering,
School of Science and Technology,
Meiji University,
1-1-1, Higashimita,
Kawasaki, Kanagawa 2148571, Japan
e-mail: sishida@meiji.ac.jp
Kohki Suzuki
Department of Mechanical Engineering,
Graduate School of Science and Technology,
Meiji University,
1-1-1, Higashimita,
Kawasaki, Kanagawa 2148571, Japan
Graduate School of Science and Technology,
Meiji University,
1-1-1, Higashimita,
Kawasaki, Kanagawa 2148571, Japan
Haruo Shimosaka
Professor
Department of Mechanical Engineering,
School of Science and Technology,
Meiji University,
1-1-1, Higashimita,
Kawasaki, Kanagawa 2148571, Japan
e-mail: hshimos@meiji.ac.jp
Department of Mechanical Engineering,
School of Science and Technology,
Meiji University,
1-1-1, Higashimita,
Kawasaki, Kanagawa 2148571, Japan
e-mail: hshimos@meiji.ac.jp
1Corresponding author.
Contributed by the Technical Committee on Vibration and Sound of ASME for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received July 20, 2016; final manuscript received March 16, 2017; published online June 12, 2017. Assoc. Editor: Ronald N. Miles.
J. Vib. Acoust. Oct 2017, 139(5): 051004 (5 pages)
Published Online: June 12, 2017
Article history
Received:
July 20, 2016
Revised:
March 16, 2017
Citation
Ishida, S., Suzuki, K., and Shimosaka, H. (June 12, 2017). "Design and Experimental Analysis of Origami-Inspired Vibration Isolator With Quasi-Zero-Stiffness Characteristic." ASME. J. Vib. Acoust. October 2017; 139(5): 051004. https://doi.org/10.1115/1.4036465
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