期刊首页 优先出版 当期阅读 过刊浏览 作者中心 关于期刊 English

《结构与土木工程前沿(英文)》 >> 2017年 第11卷 第3期 doi: 10.1007/s11709-017-0404-z

An investigation on stress distribution effect on multi- piezoelectric energy harvesters

. National Center for Materials Service Safety, University of Science and Technology Beijing, Beijing, China.. Research of Institute of Highway, Ministry of Transport, Beijing, China

录用日期: 2017-06-23 发布日期: 2017-08-24

下一篇 上一篇

摘要

With the fast development of piezoelectric materials and due to its green and renewable characteristics, the piezoelectric energy harvesting technology has been paid more and more attention by pavement engineers. The stress distribution will significantly affect the piezoelectric material performance. In this paper, the effects of multiple piezoelectric elements on the generation of electrical energy and output power are studied. In the case of constant external load, the number of the piezoelectric units does not necessarily produce more energy. When the same multi piezoelectric units work together, if the stress state of the piezoelectric units is different, the total output energy affected by the connection mode. For uneven stress distribution, the optimal output mode is that each of the piezoelectric units rectified before connected in parallel.

相关研究