Nonlinear dynamics of magnetically coupled beams for multi-modal vibration energy harvesting

被引：6
|
作者：
Abed, I [1 ,2 ]
Kacem, N. [1 ]
Bouhaddi, N. [1 ]
Bouazizi, M. L. [3 ,4 ]
机构：
[1] Univ Franche Comte, FEMTO ST Inst, Dept Appl Mech, UMR 6174,UBFC, 24 Rue Epitaphe, Besancon, France
[2] Tunis El Manar Univ UTM, Natl Engn Sch Tunis ENIT, Tunis, Tunisia
[3] Preparatory Engn Inst Nabeul IPEIN, Mrezgua 8000, Nabeul, Tunisia
[4] Prince Sattam Bin Abdulaziz Univ, Coll Engn, Mech Dept, Al Kharj, Saudi Arabia
来源：
ACTIVE AND PASSIVE SMART STRUCTURES AND INTEGRATED SYSTEMS 2016 | 2016年 / 9799卷
关键词：
Energy Harvesting; Nonlinear Vibrations; Modal Interactions; Magnetic Coupling;
D O I：
10.1117/12.2218410
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：
We investigate the nonlinear dynamics of magnetically coupled beams for multi-modal vibration energy harvesting. A multi-physics model for the proposed device is developed taking into account geometric and magnetic nonlinearities. The coupled nonlinear equations of motion are solved using the Galerkin discretization coupled with the harmonic balance method and the asymptotic numerical method. Several numerical simulations have been performed showing that the expected performances of the proposed vibration energy harvester are significantly promising with up to 130 % in term of bandwidth and up to 60 mu W cm(-3) g(-2) in term of normalized harvested power.
引用
收藏
页数：8
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