A nonlinear piezoelectric energy harvester with magnetic oscillator

被引：250

作者：

Tang, Lihua ^{[1
]}

Yang, Yaowen ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Civil & Environm Engn, Singapore 639798, Singapore

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 09期

关键词：

D O I：

10.1063/1.4748794

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

This letter proposes a magnetic coupled piezoelectric energy harvester (PEH), in which the magnetic interaction is introduced by a magnetic oscillator. For comparison purpose, lumped parameter models are established for the conventional linear PEH, the nonlinear PEH with a fixed magnet, and the proposed PEH with a magnetic oscillator. Both experiment and simulation show the benefits from the dynamics of the magnetic oscillator. In the experiment, nearly 100% increase in the operating bandwidth and 41% increase in the magnitude of the power output are achieved at an excitation level of 2m/s(2). (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4748794]

引用

页数：4

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