An optimised tuned mass damper/harvester device

Gonzalez-Buelga, A., Clare, L.R., Cammarano, A., Neild, S.A., Burrow, S.G. and Inman, D.J. (2014) An optimised tuned mass damper/harvester device. Structural Control and Health Monitoring, 21 (8). (doi:10.1002/stc.1639).

Abstract

Much work has been conducted on vibration absorbers, such as tuned mass dampers (TMD), where significant energy is extracted from a structure. Traditionally, this energy is dissipated through the devices as heat. In this paper, the concept of recovering some of this energy electrically and reuse it for structural control or health monitoring is investigated. The energy-dissipating damper of a TMD is replaced with an electromagnetic device in order to transform mechanical vibration into electrical energy. That gives the possibility of controlled damping force whilst generating useful electrical energy. Both analytical and experimental results from an adaptive and a semi-active tuned mass damper/harvester are presented. The obtained results suggest that sufficient energy might be harvested for the device to tune itself to optimise vibration suppression. Copyright © 2014 John Wiley & Sons, Ltd.

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Contributors

Author: A. Cammarano

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