A dual-function electromagnetic damper for bridge stay cable vibration mitigation and energy harvesting

W. A. Shen, Songye Zhu

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

1 Citation (Scopus)

Abstract

This paper proposes a dual-function electromagnetic (EM) damper, which simultaneously provides vibration damping and electrical power. A discontinuous conduction mode (DCM) buck-boost converter is utilized as the energy harvesting circuit due to its resistive feature, which enables the optimization of energy harvesting efficiency and vibration damping performance. This paper also presents a numerical study on its application in a full-scale bridge stay cable considering along-wind excitations. The numerical results reveal that the dual-function EM damper achieves a comparable vibration control performance as the optimal viscous damper in a broad wind speed range. Also, average output power of 82.5 mW to 2396.8 mW is harvested with high efficiencies in the wind speed range from 9m/s to 15m/s.
Original languageEnglish
Title of host publicationProceedings of the 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013
PublisherHokkaido University collection of Scholarly Academic Papers, HUSCAP
Publication statusPublished - 1 Jan 2013
Event13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013 - Sapporo, Japan
Duration: 11 Sep 201313 Sep 2013

Conference

Conference13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013
Country/TerritoryJapan
CitySapporo
Period11/09/1313/09/13

Keywords

  • Buck-boost
  • Buffeting
  • EM damper
  • Energy harvesting
  • Wind

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction

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