Paper Title:
Electromagnetic Material Based Semi-Passive Switching Shunt Damper
  Abstract

This paper describes the implementation of semi-passive switching shunt control for electro-magneto-mechanically coupled flexible structures. This simple system consists of a permanent magnet attached to an aluminum beam and a coil placed below the magnet with a switching circuit connected to the end of the coil. The MATLAB Simulink program and dSPACE hardware were employed for realizing the switching mechanism. Switching is done between open-circuit and short-circuits states. When the structure moves away from equilibrium, the circuit is short circuited, thereby dissipating energy, subsequently the system returns back to open circuit state. This novel self-sensing electromagnetic switching damper was compared with the traditional laser-sensing method for vibration control of the structure. The results show that the proposed semi-passive switching shunt damper can be successfully applied to minimize the magnitude of vibrating flexible structures.

  Info
Periodical
Advanced Materials Research (Volumes 143-144)
Edited by
H. Wang, B.J. Zhang, X.Z. Liu, D.Z. Luo, S.B. Zhong
Pages
424-427
DOI
10.4028/www.scientific.net/AMR.143-144.424
Citation
Y. D. Shen, G. Ma, I. K. Oh, T. H. Cheng, "Electromagnetic Material Based Semi-Passive Switching Shunt Damper", Advanced Materials Research, Vols. 143-144, pp. 424-427, 2011
Online since
October 2010
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Price
$32.00
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