不同电路负载下压电能量采集器输出特性研究

Kai Zhang, Liansai Dong, Y. Zhu
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引用次数: 1

摘要

本文研究了压电堆能收集装置的能量输出特性,建立了不同载荷下压电振动系统的机电耦合动力学模型,得到了系统输出电压和输出功率的一般数学表达式。以PZT-5A压电材料为例,利用该模型进行了仿真计算和分析,分析了压电材料、激振频率、激振力幅值在不同载荷下的电压输出特性,分析了不同条件下系统最优输出特性的影响因素和优化条件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Research on output characteristics of piezoelectric energy harvester with different circuit load
The energy output characteristics of piezoelectric stack energy collection device are studied in this paper, the electromechanical coupling dynamic model of piezoelectric vibration system with different loads is established, and the general mathematical expressions of system output voltage and output power are obtained. Taking the piezoelectric material of PZT-5A as an example, The simulation calculation and analysis are carried out by using the model, and the piezoelectric materials, excitation frequency The voltage output characteristics of excitation force amplitude under different loads are analyzed, and the influencing factors and optimization conditions of system optimal output characteristics under different conditions are analyzed.
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