Design of piezoelectric energy harvesting structures using ceramic and polymer materials

被引:6
作者
Mangaiyarkarasi, P. [1 ]
Lakshmi, P. [1 ]
Sasrika, V. [1 ]
机构
[1] Anna Univ, Dept Elect & Elect Engn, CEG Campus, Chennai, Tamil Nadu, India
关键词
E-type piezoelectric structure; Rectangular proof mass; Ceramic materials; Polymer materials; Power; Prosthetic hand; PERFORMANCE; OPTIMIZATION; ENHANCEMENT; SUBSTRATE; THICKNESS;
D O I
10.1007/s12206-021-0307-8
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Piezoelectric sensors are designed in this work to power implantable medical devices (IMDs). A prosthetic hand is used as the IMD in this study. E, pi, and T piezoelectric structures are designed using five ceramic (PZT-5H, PZT-4D, BaTiO3, ZnO, and GaAs) and five polymer (Hytrel 3078, polyetherimide [ULTEM 2100], polyoxymethylene [POM], polyvinylenedifluoride [PVDF, Kynar 710], and Elvax 260) materials. Further analysis is carried out using square and rectangular-shape proof masses under different load conditions. This study aims to determine the maximum power that can be used from the piezoelectric harvester to supply energy to a medical device, such as the prosthetic hand. Structure and material analyses showed that the maximum power generated by the E structure using ceramic material (PZT-5H) with rectangular-shape proof mass ensures the efficient powering of the IMD. The simulation is carried out using COMSOL Multiphysics 5.3a software.
引用
收藏
页码:1407 / 1419
页数:13
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