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Proceedings Paper

Active vibration control of lightweight floor systems
Author(s): J. Baader; M. Fontana
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Paper Abstract

Wide-span and lightweight floors are often prone to structural vibrations due to their low resonance frequency and poor material damping. Their dynamic behaviour can be improved using passive, semi-active or active vibration control devices.

The following article proposes a novel method for the controller synthesis for active vibration control. An existing passive TMD (tuned mass damper) is modelled and equipped with an actuator in order to provide more efficient damping. Using an iterative optimization approach under constraints, an optimal controller is found which minimizes a quadratic cost function in frequency domain.

A simulation of an existing test bench shows that the active vibration control device is able to provide increased damping compared to the passive TMD.

Paper Details

Date Published: 15 April 2016
PDF: 12 pages
Proc. SPIE 9799, Active and Passive Smart Structures and Integrated Systems 2016, 97991A (15 April 2016); doi: 10.1117/12.2218523
Show Author Affiliations
J. Baader, ETH Zürich (Switzerland)
M. Fontana, ETH Zürich (Switzerland)


Published in SPIE Proceedings Vol. 9799:
Active and Passive Smart Structures and Integrated Systems 2016
Gyuhae Park, Editor(s)

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