Investigation on battery-less voltage of piezoelectric V-shape cantilever beam energy harvester using FEA method for pacemaker

Q2 Engineering

International Review of Applied Sciences and Engineering Pub Date : 2024-02-02 DOI:10.1556/1848.2023.00759

Joy Dewanjee, Md Shabiul Islam, Wong Hin Yong, Najeeb Ullah, K. Siddiquee, Mohammad Tariqul Islam

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引用次数: 0

Abstract

This paper presents an investigation on a battery-less voltage of Piezoelectric (PZT) V-shape cantilever beam Energy Harvester (EH) using human body vibration. The frequency ranges are walking (0–5 Hz), running (6–10 Hz) and motions (11–15 Hz) for human movement. Pacemaker devices typically require a lower resonant frequency with higher voltage which is powered by batteries. The battery has a limited duration during its working process and the battery is difficult to replace in the human body. To address the aforementioned issue, a V-shape cantilever beam EH has been developed as a solution to overcome these limitations. The cantilever beam was designed in COMSOL Multiphysics software 5.5 version using the Finite Element Analysis (FEA) method for experimental investigations followed by three categories of frequency ranges of the human body. The simulation results showed that the generated battery-less higher voltage was 269 mV (AC) at the resonant frequency of 14.37 Hz in the motion range of 11–15 Hz. Later, an Ultra Low Power (ULP) electronic circuits will be designed and simulated in the LTSPICE software to convert and boost-up from 269 mV (AC) to DC voltage attained. The estimated output power of the energy harvester system can be powered up (4.7 µW) for modern pacemaker applications.

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利用有限元分析方法研究用于心脏起搏器的压电式 V 形悬臂梁能量收集器的无电池电压

本文利用人体振动对压电（PZT）V 型悬臂梁能量收集器（EH）的无电池电压进行了研究。人体运动的频率范围为行走（0-5 Hz）、跑步（6-10 Hz）和运动（11-15 Hz）。心脏起搏器通常需要较低的共振频率和较高的电压，由电池供电。电池在工作过程中的持续时间有限，而且很难在人体中更换电池。为解决上述问题，我们开发了一种 V 形悬臂梁 EH，作为克服这些限制的解决方案。该悬臂梁是在 COMSOL Multiphysics 软件 5.5 版本中使用有限元分析法设计的，并按照人体的三类频率范围进行了实验研究。模拟结果显示，在 11-15 Hz 的运动范围内，共振频率为 14.37 Hz 时产生的无电池高电压为 269 mV（交流）。随后，将在 LTSPICE 软件中设计和模拟超低功耗（ULP）电子电路，以便将 269 mV（交流）电压转换和提升为直流电压。能量收集器系统的估计输出功率（4.7 µW）可用于现代心脏起搏器应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Review of Applied Sciences and Engineering Materials Science-Materials Science (miscellaneous)

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

46 weeks

期刊介绍： International Review of Applied Sciences and Engineering is a peer reviewed journal. It offers a comprehensive range of articles on all aspects of engineering and applied sciences. It provides an international and interdisciplinary platform for the exchange of ideas between engineers, researchers and scholars within the academy and industry. It covers a wide range of application areas including architecture, building services and energetics, civil engineering, electrical engineering and mechatronics, environmental engineering, mechanical engineering, material sciences, applied informatics and management sciences. The aim of the Journal is to provide a location for reporting original research results having international focus with multidisciplinary content. The published papers provide solely new basic information for designers, scholars and developers working in the mentioned fields. The papers reflect the broad categories of interest in: optimisation, simulation, modelling, control techniques, monitoring, and development of new analysis methods, equipment and system conception.