面向传感器课程的压电能量采集实验设计与分析  

Design and Analysis of Piezoelectric Energy Harvesting Experiment for Sensor Course

作　　者：费飞[1] 吴常铖[1] 杨德华[1] 姚恩涛[1] Fei Fei;Wu Changcheng;Yang Dehua;Yao Entao(Institute of Automation,Nanjing University of Aeronautics and Astronautics,Nanjing,211100,China)

机构地区：[1]南京航空航天大学自动化学院,江苏南京211100

出　　处：《中国现代教育装备》2021年第15期125-128,共4页China Modern Educational Equipment

基　　金：南京航空航天大学院级教改项目“面向复杂工程问题的传感器课程项目化教学方法研究”(编号:CAEJG-2017-12)。

摘　　要：压电式传感器与其他传感器相比,具有体积小、重量轻、频带宽和动态特性好等特点。基于压电材料的传感器实验是测控技术与仪器专业实验课程设计中的一个重要环节。以南京航空航天大学测控技术与仪器专业的传感器原理课程实验为例,设计了基于激振台和压电悬臂梁晶片的振动能量采集实验,帮助学生通过压电能量采集实验了解压电效应,并学会利用有限元软件进行压电悬臂梁的应力仿真分析,灵活应用常用的能量采集电路,实现高效率的能量采集,进而提高学生对压电材料和基于压电材料的传感器的理解和实践应用能力。Compared with other types of sensors,piezoelectric sensors have the advantages of small size,light weight,wide frequency bandwidth,and good dynamic characteristics.The experiment based on piezoelectric material is an important part in the course design of the major of measurement of control technology and instrumentation.This paper designs a vibration energy harvesting experiment based on excitation platform and piezoelectric cantilever beam.The energy harvesting experiment can help students understand piezoelectric effect and learn to use finite element software to analyze the stress changes of piezoelectric cantilever beam.The students can learn to build energy acquisition circuit for high efficiency energy harvesting applications.Furthermore,the experiment can improve students'comprehension and practical ability of piezoelectric materials and piezoelectric sensors.

关 键 词：能量采集 压电材料 有限元分析 

分 类 号：TP212-4[自动化与计算机技术—检测技术与自动化装置] G642[自动化与计算机技术—控制科学与工程]