Enhanced vibrational energy harvesting using non-linear stochastic resonance

McInnes, Colin and Gorman, Daniel and Cartmell, Matthew (2008) Enhanced vibrational energy harvesting using non-linear stochastic resonance. Journal of Sound and Vibration, 318 (4-5). pp. 655-662. ISSN 0022-460X (https://doi.org/10.1016/j.jsv.2008.07.017)

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Abstract

Stochastic resonance has seen wide application in the physical sciences as a tool to understand weak signal amplification by noise. However, this apparently counter- intuitive phenomenon does not appear to have been exploited as a tool to enhance vibrational energy harvesting. In this note we demonstrate that by adding a periodic excitation to a damped energy harvesting mechanism, the power available from the device is apparently enhanced over a conventional unexcited mechanism. A simple model of such a device is proposed and investigated to explore the use of stochastic resonance to enhance vibrational energy harvesting.

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• Item metadata

  Item type:	Article
  ID code:	5776
  Dates:	Date Event 23 December 2008 Published
  Subjects:	Technology > Mechanical engineering and machinery
  Department:	Faculty of Engineering > Mechanical and Aerospace Engineering
  Depositing user:	Strathprints Administrator
  Date deposited:	28 Mar 2008
  Last modified:	29 Apr 2024 00:33
  URI:	https://strathprints.strath.ac.uk/id/eprint/5776