Design and optimization of a wideband impact mode piezoelectric power generator

被引：13

作者：

Basari, A. A. ^{[1
]}

Hashimoto, S. ^{[1
]}

Homma, B. ^{[2
]}

Okada, H. ^{[2
]}

Okuno, H. ^{[2
]}

Kumagai, S. ^{[2
]}

机构：

[1] Fac Gunma Univ, Div Elect & Informat, Sch Sci & Technol, 1-5-1 Tenjin Cho, Kiryu, Gunma 3768515, Japan

[2] Mitsuba Corp, Dept Res & Dev, 1-2681 Hirosawa Cho, Kiryu, Gunma 3768555, Japan

来源：

CERAMICS INTERNATIONAL | 2016年 / 42卷 / 06期

关键词：

Impact mode; Piezoelectric power generator; Wide operating frequency bandwidth; Shim plate; LOW-FREQUENCY; ENERGY HARVESTER; OUTPUT;

D O I：

10.1016/j.ceramint.2016.01.082

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This paper proposes a new design of an impact mode piezoelectric power generator that is able to operate in a wide frequency bandwidth by using a round piezoelectric ceramic as the energy converter. The evaluation results show that the output of the power generator can be optimized by implementing a so-called indirect impact configuration. To realize this type of configuration, a shim plate is placed between the piezoelectric ceramic and the hitting structure. At a certain base excitation frequency, the output efficiency of this configuration increases to about 4.3 times that of the direct impact configuration. Furthermore, it is demonstrated that the designated power generator is able to generate electric energy up to approximately 1.57 ml within 120 s from the vibration of a moving vehicle. (c) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：6962 / 6968

页数：7

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