PIEZOELECTRIC VIBRATION ENERGY HARVESTER BASED ON BIONIC STRUCTURE

被引：0
|
作者：
Fan, Bo [1 ]
Fang, Jiwen [1 ]
Zhao, Jiuchun [1 ]
Li, Chong [1 ]
Lv, Mingming [1 ]
机构：
[1] Jiangsu Univ Sci & Technol, Sch Mech Engn, Zhenjiang 212100, Jiangsu, Peoples R China
来源：
2022 16TH SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES, AND DEVICE APPLICATIONS, SPAWDA | 2022年
基金：
中国国家自然科学基金;
关键词：
Bionic structure; Flapping wing; Piezoelectric vibration energy harvester; Centralized parameter dynamics model;
D O I：
10.1109/SPAWDA56268.2022.10046020
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Inspired by the mechanism of wing-flapping behavior of diptera, this paper proposes a novel bionic piezoelectric energy harvester for the ultra-low frequency vibration environment. The device is designed concerning the skeletal and muscular structure of diptera, using a flexible cantilever beam and a rigid linkage to simulate the wing-flapping and skeletal structure of dinoflagellates, and the piezoelectric plate mounted on the cantilever beam can harvest vibration energy during the motion of wing-flapping. And according to the electromechanical coupling characteristics of the bionic vibration energy harvester (BVEH), a centralized parametric dynamics model of the system is established. The finite element method was used to analyze the bionic structure. The inherent frequency and vibration pattern of the structure were determined by modal analysis. Finally, the effectiveness of the device was verified by experimental comparison, increasing the output voltage to 124% of the previous one.
引用
收藏
页码：150 / 156
页数：7
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