Analysis and efficiency measurement of electromagnetic vibration energy harvesting system

被引：14
作者：
Hadas, Zdenek [1 ]
Vetiska, Vojtech [2 ]
Vetiska, Jan [1 ]
Krejsa, Jiri [1 ]
机构：
[1] Brno Univ Technol, Fac Mech Engn, Tech 2896 2, Brno 61669, Czech Republic
[2] Brno Univ Technol, Fac Elect Engn & Commun, Tech 8, Brno 61600, Czech Republic
来源：
MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS | 2016年 / 22卷 / 07期
关键词：
DESIGN;
D O I：
10.1007/s00542-016-2832-4
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：
This paper deals with the efficiency analysis of developed electromagnetic vibration energy harvesting systems. The efficiency analysis of this energy harvesting system is specified and a linear model of the vibration energy harvesting system is simulated to determine theoretical limits. The influence of individual parameters of vibration energy harvesters is evaluated by the simulation model. Three vibration energy harvesting devices, developed at Brno University of Technology, were measured and their efficiencies were consecutively calculated from the measured data. Vibration tests of these harvesters were done with a lightweight vibrating structure of a steel beam where the effect of the vibration energy harvester operation is noticeable. The effects of used electronics and power management circuit for different levels of excited mechanical vibrations are presented. Realized analyses and measurements will be used for future improvement of vibration energy harvester design; mainly in applications of lightweight vibrating structures where the vibration energy harvester can affect mechanical vibrations in feedback.
引用
收藏
页码：1767 / 1779
页数：13
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