期刊
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
卷 76-77, 期 -, 页码 823-832出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ymssp.2016.01.021
关键词
Energy harvesting; Piezoelectric; Snap-through; Non-linear vibrations; Recurrence plots
资金
- Polish National Science Center [2012/05/B/ST8/00080]
- European Research Council under the European Union's Seventh Framework Programme (FP)/ERC [320963]
- Engineering and Physical Science Research Council (EPSRC) [EP/J014389/1]
- EPSRC [EP/J014389/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J014389/1] Funding Source: researchfish
In this paper we examine the modal response of a bistable electro-mechanical energy harvesting device based on characterization of the experimental time-series. A piezoelectric element attached to a vibrating bistable carbon-fibre reinforced polymer laminate plate was used for the conversion of mechanical vibrations to electrical energy under harmonic excitations at a variety of frequencies and amplitudes. The inherent bistability of the mechanical resonator and snap-through phenomenon between stable states were exploited for energy harvesting. To identify the dynamics of the response of the studied harvesting structure and the associated output power generation we used the Fourier spectrum and Recurrence Quantification Analysis (RQA). (C) 2016 Elsevier Ltd. All rights reserved.
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