An adaptive piezoelectric energy harvesting interface circuit with a novel peak detector

被引:0
|
作者
Chamanian, S. [1 ]
Zorlu, O. [2 ]
Kulah, H. [1 ,2 ]
Muhtaroglu, A. [3 ]
机构
[1] METU, Dept Elect & Elect Engn, Ankara, Turkey
[2] METU MEMS Res & Applicat Ctr, Ankara, Turkey
[3] METU Northern Cyprus Campus, Guzelyurt 10, Mersin, Turkey
来源
2015 5TH INTERNATIONAL CONFERENCE ON ENERGY AWARE COMPUTING SYSTEMS & APPLICATIONS (ICEAC) | 2015年
关键词
Interface circuit; piezoelectric energy harvester; self-powered circuit; power efficiency; CONVERTER; DEVICE;
D O I
暂无
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
This paper presents a fully self-powered interface circuit with a novel peak detector for piezoelectric energy harvesters (PEH). This circuit can be utilized to scavenge energy from low power environmental vibrations in 10s of mu W range. Synchronous switching technique is used to extract maximum available power where switching instants are detected independently from excitation changes of the PEH. The proposed peak detector senses voltages higher than power supply for a wide frequency range of input vibration. The simulations with an output voltage range of 1 to 3.3 V show power conversion efficiency between 79% and 88% for an input power of 13.2 mu W.
引用
收藏
页数:4
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