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Increasing viability of nonlinear energy harvesters by adding an excited dynamic magnifier

Bernard, Brian P ; Mann, Brian P

Journal of Intelligent Material Systems and Structures, April 2018, Vol.29(6), pp.1196-1205 [Rivista Peer Reviewed]

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  • Titolo:
    Increasing viability of nonlinear energy harvesters by adding an excited dynamic magnifier
  • Autore: Bernard, Brian P ; Mann, Brian P
  • Note di contenuto: Dynamic magnifiers and coupled harvester arrays are two strategies that have been developed over the past decade to improve the peak power and bandwidth of energy harvesters. However, both of these methods come with drawbacks. Dynamic magnifiers require retuning since they change the frequency of the peak response and some designs result in decreased power per unit mass. Coupled harvester arrays can increase the overall bandwidth, but also include central valleys between the peaks and a significant increase in the cost. This article describes an excited dynamic magnifier which borrows design characteristics from both traditional dynamic magnifiers and harvester arrays in order to overcome these drawbacks. A hardening-type nonlinear tuned energy harvester with excited dynamic magnifier can achieve higher peak power, greater power per unit mass, and wider bandwidth without the need for retuning and for a minimal added cost as compared to the uncoupled harvester. Most importantly,...
  • Fa parte di: Journal of Intelligent Material Systems and Structures, April 2018, Vol.29(6), pp.1196-1205
  • Soggetti: Dynamic Magnifier ; Energy Harvesting ; Harvester Array ; Nonlinear Oscillator ; Engineering
  • Lingua: Inglese
  • Tipo: Articolo
  • Identificativo: ISSN: 1045-389X ; E-ISSN: 1530-8138 ; DOI: 10.1177/1045389X17730924
  • Fonte: Sage Journals (Sage Publications)
    SAGE STM (Sage Publications)
    SAGE Materials Science and Engineering (Sage Publications)
    SAGE Communication and Media Studies (Sage Publications)
    SAGE Journals (Sage Publications)

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