Tunable Interface for Piezoelectric Energy Harvesting

被引：0

作者：

Richter, A. ^{[1
]}

Strobel, A. ^{[1
]}

Joram, N. ^{[1
]}

Ellinger, F. ^{[1
]}

Goepfert, L. ^{[2
]}

Marg, R. ^{[2
]}

机构：

[1] Tech Univ Dresden, Chair Circuit Design & Network Theory, D-01062 Dresden, Germany

[2] Zentrum Mikroelekt Dresden AG, Dresden, Germany

来源：

2014 11TH INTERNATIONAL MULTI-CONFERENCE ON SYSTEMS, SIGNALS & DEVICES (SSD) | 2014年

关键词：

component; energy harvesting; piezoelectric; vibration; sece interface; low power; efficiency; DEVICE;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

The so called Synchronous Electric Charge Extraction (SECE) interface is an electrical circuit to extract energy from a piezoelectric transducer and to put it onto a storage device like a large capacitor. The advantage of the SECE interface is the load independent power transfer. But the maximum efficiency the SECE interface in combination with the piezoelectric transducer can achieve greatly depends on the electromechanical coupling of the transducer. The SECE interface works very well with weak to mid-range electromechanically coupled piezoelectric transducers. But with strong coupled transducer the power extracted by SECE interface decreases. This paper shows how the SECE interface can be tuned to deliver the maximum power almost independent of the electromechanical coupling factor.

引用

页数：5

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