The vibration suppression of structures using a semi-active mass damper is investigated in this study. A magnetorheological (MR)-damper is utilized to design the semi-actively controlled mass damper. The inverse MR-damper model is developed on the basis of an improved LuGre friction model, and combined with a designed /Linear-Quadratic-Gaussian (/LQG) controller, in order to control the command current of the MR-damper to suppress structural vibration levels effectively. Illustrated examples are considered to investigate the vibration suppression effectiveness of a semi-active mass damper with a MR-damper, using the developed control methodology. The simulation results were compared with those reported in literature in order to validate the presented methodology.
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August 2010
Research Papers
Optimal Vibration Suppression of Structures Under Random Base Excitation Using Semi-Active Mass Damper
F. Yang,
F. Yang
Department of Mechanical and Industrial Engineering,
Concordia University
, 1455 de Maisonneuve Boulevard West, Montreal, QC, H3G 1M8, Canada
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E. Esmailzadeh,
E. Esmailzadeh
Professor
Faculty of Engineering and Applied Science,
e-mail: ezadeh@uoit.ca
University of Ontario Institute of Technology
, 2000 Simcoe Street North, Oshawa, ON, L1H 7K4, Canada
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R. Sedaghati
R. Sedaghati
Department of Mechanical and Industrial Engineering,
Concordia University
, 1455 de Maisonneuve Boulevard West, Montreal, QC, H3G 1M8, Canada
Search for other works by this author on:
F. Yang
Department of Mechanical and Industrial Engineering,
Concordia University
, 1455 de Maisonneuve Boulevard West, Montreal, QC, H3G 1M8, Canada
E. Esmailzadeh
Professor
Faculty of Engineering and Applied Science,
University of Ontario Institute of Technology
, 2000 Simcoe Street North, Oshawa, ON, L1H 7K4, Canadae-mail: ezadeh@uoit.ca
R. Sedaghati
Department of Mechanical and Industrial Engineering,
Concordia University
, 1455 de Maisonneuve Boulevard West, Montreal, QC, H3G 1M8, CanadaJ. Vib. Acoust. Aug 2010, 132(4): 041002 (10 pages)
Published Online: May 20, 2010
Article history
Received:
January 26, 2009
Revised:
January 8, 2010
Online:
May 20, 2010
Published:
May 20, 2010
Citation
Yang, F., Esmailzadeh, E., and Sedaghati, R. (May 20, 2010). "Optimal Vibration Suppression of Structures Under Random Base Excitation Using Semi-Active Mass Damper." ASME. J. Vib. Acoust. August 2010; 132(4): 041002. https://doi.org/10.1115/1.4000969
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