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目录
1 绪论.............................................................................................................................................................1
1.1 背景.................................................................................................................................................1
1.2 当今研究成果.................................................................................................................................2
1.3 振动能量收集装置..........................................................................................................................4
2 压电发电技术原理 .....................................................................................................................................6
2.1 压电能量转换理论..........................................................................................................................6
2.1.2 压电方程 .............................................................................................................................6
2.2 材料与结构的优化选择..................................................................................................................8
2.3 本章小结.........................................................................................................................................9
3 能量收集电路的设计 ...............................................................................................................................10
3.1 简介................................................................................................................................................10
3.2 使用软件简介................................................................................................................................10
3.3 标准的压电式振动能量收集电路的工作流程 ............................................................................11
3.3.1 目前常见的几种整流滤波电路........................................................................................11
3.3.2 DC/DC 降压转换电路........................................................................................................12
3.4 用 simulink 仿真.........................................................................................................................12
3.4.1 标准能量收集电路仿真...................................................................................................12
3.4.2 Buck 型 DC/DC 降压电路仿真..........................................................................................14
3.4.3 整体仿真 ...........................................................................................................................18
4 改进与优化能量收集电路 .......................................................................................................................20
4.1 整体思路........................................................................................................................................20
4.2 电路仿真........................................................................................................................................20
5 展望...........................................................................................................................................................23
谢辞...............................................................................................................................................................25
参考文献.......................................................................................................................................................26