Design and modeling of a novel multi-beam piezoelectric smart structure for vibration energy harvesting

被引：27

作者：

Askari, Mahmoud ^{[1
]}

Brusa, Eugenio ^{[1
]}

Delprete, Cristiana ^{[1
]}

机构：

[1] Politecn Torino, Dept Mech & Aerosp Engn DIMEAS, Turin, Italy

来源：

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2022年 / 29卷 / 28期

关键词：

Piezoelectric energy harvesting; electromechanical coupling; ambient vibration; resonance frequency; FE modeling; structural mechatronics; BROAD-BAND; BEAM; OPTIMIZATION; PERFORMANCE; SIMULATION; SCAVENGER; DYNAMICS; SINGLE; LOAD; MASS;

D O I：

10.1080/15376494.2021.2001122

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Vibration energy harvesting holds great potential to achieve long-lifetime autonomous operation of low-power electronic devices. This work is concerned with analytical and numerical modeling and analysis of a unimorph beam and a novel multi-beam energy harvesting systems. Several of the former device and two identical proof masses are utilized to design the multi-beam harvester, aiming to propose a scavenger with resonance frequency of less than 100 Hz. Accuracy of the models are verified, and extensive parametric studies are presented. Results demonstrate that the proposed multi-beam harvester is capable of generating several milliwatts of power under harmonic base acceleration of 0.4 g.

引用

页码：7519 / 7541

页数：23

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