Single crystals and nonlinear process for outstanding vibration-powered electrical generators

被引：146

作者：

Laboratoire de Génie Electrique et Ferroélectricité, INSA de Lyon, 69621 Villeurbanne, France ^{[1
]}

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机构：

[1] Laboratoire de Génie Electrique et Ferroélectricité, INSA de Lyon

[2] Institute of Fluid Science, Tohoku University, Sendai

[3] Institut National des Sciences Appliquées (INSA) de Lyon, Lyon

[4] Piezoelectric Materials and Elaboration Team, Laboratoire de Génie Electrique et Ferroélectricité, INSA de Lyon

[5] Department of Electrical Engineering, INSA

[6] Electroactive Systems Team, Laboratoire de Génie Electrique et Ferroélectricité

来源：

IEEE Trans Ultrason Ferroelectr Freq Control | 2006年 / 4卷 / 673-683期

关键词：

D O I：

10.1109/TUFFC.2006.1611027

中图分类号：

学科分类号：

摘要：

This paper compares the performances of vibration-powered electrical generators using a. piezoelectric ceramic and a piezoelectric single crystal associated to several power conditioning circuits. A new approach of the piezoelectric power conversion based on a nonlinear voltage processing is presented, leading to three novel high performance power conditioning interfaces. Theoretical predictions and experimental results show that the nonlinear processing technique may increase the power harvested by a factor of 8 compared to standard techniques. Moreover, it is shown that, for a given energy harvesting technique, generators using single crystals deliver 20 times more power than generators using piezoelectric ceramics. © 2006 IEEE.

引用

页码：673 / 683

页数：10

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