Symmetric Electret-Based Vibration Energy Harvesters with Curved-Beam Hinges

被引：0
|
作者：
Hah, Dooyoung [1 ]
机构：
[1] Abdullah Gul Univ, Dept Elect & Elect Engn, Kayseri, Turkiye
来源：
2023 SYMPOSIUM ON DESIGN, TEST, INTEGRATION & PACKAGING OF MEMS/MOEMS, DTIP | 2023年
关键词：
energy harvester; mechanical vibration; nonlinear spring; curved beam; electret;
D O I：
10.1109/DTIP58682.2023.10267953
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Broadband power spectral characteristics are desirable in vibration energy harvesters, and it can be achieved by employing curved-beam hinges, which exhibit force-displacement nonlinearity. Via numerical analysis by using stochastic differential equations and colored-noise inputs, this study shows that a symmetric configuration of the curved-beam hinges in electret-based harvesters can produce higher (up to 8% more) power outputs than an asymmetric one. It also presents that the harvesters with curved-beam hinges can produce higher (up to 4.4 times) power outputs than those with straight hinges when the vibration magnitude is 0.05g.
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页数：4
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