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Building Vibration Suppression Through a Magnetorheological Variable Resonance Pendulum Tuned Mass Damper

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Vibration Engineering for a Sustainable Future

Abstract

Based on the everlasting challenge to humanity posed by seismic activity, modern developments in this field are necessary. While magnetorheological-elastomer-based technologies show benefits, stroke limitations are a major shortcoming. Application of magnetorheological fluid dampers is now typical, however missing the resonance control of their elastomeric counterparts.

Detailed in this work are the experimental studies and model validation of a variable resonance magnetorheological-fluid-based pendulum tuned mass damper, purposed to gain the benefits of both magnetorheological front-runners. This device governs the flow of power between the pendulum mass and a torsional spring, producing a controllable shift in TMD resonance of up to 104%. This is achieved through control of input current to the internal electromagnetic coils of the rotary MR damper. Under various benchmark seismic records, improved vibration suppression is demonstrated via semi-active control of the device in five-story scale-building vibration experiments.

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Authors and Affiliations

  1. School of Mechanical, Materials, Mechatronic, and Biomedical Engineering, University of Wollongong, Wollongong, NSW, Australia

    Matthew Daniel Christie & Weihua Li

  2. New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan

    Shuaishuai Sun

Authors
  1. Matthew Daniel Christie
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  2. Shuaishuai Sun
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  3. Weihua Li
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Corresponding author

Correspondence to Matthew Daniel Christie .

Editor information

Editors and Affiliations

  1. Centre for Audio, Acoustics and Vibration, Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW, Australia

    Sebastian Oberst

  2. Centre for Audio, Acoustics and Vibration, Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW, Australia

    Benjamin Halkon

  3. School of Mechatronic and Mechanical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW, Australia

    Jinchen Ji

  4. School of Mechatronic and Mechanical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW, Australia

    Terry Brown

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Christie, M.D., Sun, S., Li, W. (2021). Building Vibration Suppression Through a Magnetorheological Variable Resonance Pendulum Tuned Mass Damper. In: Oberst, S., Halkon, B., Ji, J., Brown, T. (eds) Vibration Engineering for a Sustainable Future. Springer, Cham. https://doi.org/10.1007/978-3-030-47618-2_35

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  • DOI: https://doi.org/10.1007/978-3-030-47618-2_35

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-47617-5

  • Online ISBN: 978-3-030-47618-2

  • eBook Packages: EngineeringEngineering (R0)

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