A PIEZOELECTRIC BASED ENERGY HARVESTER WITH DYNAMIC MAGNIFICATION

被引：0
|
作者：
Castagnetti, Davide [1 ]
机构：
[1] Univ Modena & Reggio Emilia, Dept Engn Sci & Meth, I-42122 Reggio Emilia, Italy
来源：
ASME CONFERENCE ON SMART MATERIALS, ADAPTIVE STRUCTURES AND INTELLIGENT SYSTEMS, 2015, VOL 2 | 2016年
关键词：
MAGNIFIER;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Energy harvesting from ambient vibrations exploiting piezoelectric materials is an efficient solution for the development of self-sustainable electronic nodes. This work presents a simple and innovative piezoelectric energy harvester, intrinsically including dynamic magnification and inspired by fractal geometry. After an initial design step, computational analysis and experimental validation show a very good frequency response with five eigenfrequencies below 100 Hz. Even if the piezoelectric transducers were put only on a symmetric half of the top surface of the structure, the energy conversion is good for all the eigenfrequencies investigated.
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页数：7
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