A Nonlinear Piezoelectric Energy Harvester from the Vibration of Magnetic Levitation

Abstract:

Vibration-based energy harvester has been widely investigated during the past years. In .order to improve the power-generating ability and enlarge the frequency range of energy harvesters, this paper presents the design and analysis of a new magneto electric energy harvester that uses Terfenol-D/PZT/Terfenol-D laminate to harvest energy from nonlinear vibrations created by magnetic levitation. The mathematical model of the proposed harvester is derived and used in a parametric study. By multi-scale analysis, the frequency-response analysis of the system is obtained and discussed here. It is shown that the systems nonlinearity can broaden the harvesters working bandwidth, thus makes the harvester suitable to work in practical cases.

• Periodical: Advanced Materials Research (Volumes 860-863)
• Pages: 594-598
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.860-863.594
• Online since: December 2013
• Authors: Zu Yao Wang
• Keywords: Magnetic Levitation, Multi-Scale Analysis, Vibration-Based Energy Harvesting

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