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International Journal of Frontiers in Sociology, 2021, 3(17); doi: 10.25236/IJFS.2021.031717.

Design and optimization of an Electromagnetic- Piezoelectric Composite Vibration Generator

Author(s)

Yuan-yuan Fan1, Xiaoxin Zhang2, Ying-jun Sang2, Fei Huang3, Shangguang Wu

Corresponding Author:
Yuan-yuan Fan
Affiliation(s)

1Faculty of Mathematics and Physics, Huaiyin Institute of Technology, Huaian 223003, China

2Faculty of Automation, Huaiyin Institute of Technology, Huaian, 223003, China

3Faculty of Electronic Information Engineering, Huaiyin Institute of Technology, Huaian, 223003, China

Abstract

Piezoelectric power generations refer to the piezoelectric integrated structure which realize the transformation of conversion from environmental vibration based mechanical energy to electric energy. A new type of vibration energy generator with cantilever beam structure is designed in this paper. In order to reveal the underlying of piezoelectric transducer mechanism, the vibration mechanics analysis is carried out by establishing a mathematical model, namely, the vibration mechanism of cantilever beam caused by external vibration excitation is described by using spring mass block damping single degree of freedom system model.  In order to get the vibration generator with reasonable structure and excellent performance, frequency response and transient, the relationship between the cantilever thickness, cantilever width, cantilever length and vibration characteristics are optimazed by using COMSOL-Multiphysics FEM simulation software to model and analyze the generator body. To evaluate the output performance of the piezoelectric module, finite element modeling and analysis is conducted. According to the evaluation, the design of electromagnetic and -piezoelectric composite vibration generator presented in this paper is proising for environmental vibration based energy harvest.

Keywords

cantilever beam, power generation, piezoelectric, electromagnetic, piezoelectric- electromagnetic, finite element simulation

Cite This Paper

Yuan-yuan Fan, Xiaoxin Zhang, Ying-jun Sang, Fei Huang, Shangguang Wu. Design and optimization of an Electromagnetic- Piezoelectric Composite Vibration Generator. International Journal of Frontiers in Sociology (2021), Vol. 3, Issue 17: 112-120. https://doi.org/10.25236/IJFS.2021.031717.

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