A MEMS-based Wideband Piezoelectric Energy Harvester System Using Mechanical Stoppers

被引：0
|
作者：
Liu, Huicong [1 ,2 ]
Lee, Chengkuo [1 ]
Kobayashi, Takeshi [3 ]
Tay, Cho Jui [2 ]
Quan, Chenggen [2 ]
机构：
[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117548, Singapore
[2] Natl Univ Singapore, Dept Mech Engn, Singapore 117548, Singapore
[3] Natl Inst Adv Ind Sci & Technol, Tsukuba, Japan
来源：
2011 IEEE INTERNATIONAL ELECTRON DEVICES MEETING (IEDM) | 2011年
关键词：
D O I：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A piezoelectric MEMS energy harvester (EH) system with top- and bottom-stoppers can response to vibrations with frequency ranging from 30 Hz to 48 Hz when the top- and bottom-stopper distances are 0.75 mm and 1.1 mm, respectively, and the acceleration of vibration is 0.6 g. By adjusting the stopper distance, the operating bandwidth is broadened from the initial mechanical resonance of the PZT EH cantilever at 36Hz to various extent. Larger acceleration of vibration also leads to wider operating bandwidth.
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页数：4
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