Impact based Frequency Increased Piezoelectric Vibration Energy Harvester for Human Motion Related Environments

被引：0

作者：

Halim, Miah A. ^{[1
]}

Khym, Sungwon ^{[1
]}

Park, Jae Y. ^{[1
]}

机构：

[1] Kwangwoon Univ, Dept Elect Engn, Micro Nano Devices & Packaging Lab, Seoul 139701, South Korea

来源：

2013 8TH ANNUAL IEEE INTERNATIONAL CONFERENCE ON NANO/MICRO ENGINEERED AND MOLECULAR SYSTEMS (IEEE NEMS 2013) | 2013年

关键词：

Frequency increased generator; Styrene support; Vibration energy harvesting; Flexible driving beam;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

This paper presents a frequency increased piezoelectric vibration energy harvesting device where the low frequency periodic impact of a driving beam with a horizontally extended rectangular tip makes two piezoelectric generating beams to vibrate at the same time, with their higher resonant frequencies, producing higher power output. The dimension of the flexible driving beam was 58x4.8x1 mm(3) and that of each piezoelectric generating beam with styrene support was 15x3.5x0.8 mm(3). Each generating beam of the proposed energy harvester produced a maximum peak output power of 46.51 mu W across an optimum resistive load of 200 K Omega under 4 ms(-2) acceleration and was increased up to 129.15 mu W while the acceleration was increased up to 6 ms-2 at an operating frequency of 12.5 Hz. The output of both generating beams with series connection doubled the overall output of the device.

引用

页码：949 / 952

页数：4

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