Research on Energy Harvesting Behaviors of Different Shapes of Piezoelectric Vibrator

Wei Dong Chen; Hong Sheng Hu; Su Xiang Qian; Ding Kun Zhu

doi:10.4028/www.scientific.net/AMM.164.441

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Power Spectral Density Model of Torsional Dynamic Wind Loads on Tall Buildings
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Structure and Motion Analysis of a Tire Building Drum Based on Parallel Mechanism
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Research on Energy Harvesting Behaviors of Different Shapes of Piezoelectric Vibrator
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Design and Analysis on the Dynamic System of an Oil-Well Pump Lifting Test System
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 164Research on Energy Harvesting Behaviors of...

Research on Energy Harvesting Behaviors of Different Shapes of Piezoelectric Vibrator

Abstract:

Shapes and geometry parameters of piezoelectric vibrator have a greatly influences on its energy harvesting ability. In this paper, both of static and modal characteristics of piezoelectric vibrators were respectively simulated by using the finite element analysis software Ansys, where influences from stress and the exciting force’s frequency on the outputting voltage of a cylindrical piezoelectric vibrator and a triangular cantilever piezoelectric vibrator were analyzed. The numerical simulation results show that its geometry sizes of triangular cantilever piezoelectric vibrator could result in its outputting voltage and first-order natural frequency’s shift, however, the exciting frequency of the external force has no any influences on its outputting voltage of the cylindrical vibrator. Besides, an optimized design was researched in order to improve its power generation capacity per unit volume for the triangular cantilever piezoelectric vibrator.

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Periodical:

Applied Mechanics and Materials (Volume 164)

Pages:

441-445

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.164.441

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Online since:

April 2012

Authors:

Wei Dong Chen, Hong Sheng Hu, Su Xiang Qian, Ding Kun Zhu

Keywords:

Cylindrical Vibrator, Energy Harvest, Piezoelectric Vibrator, Triangular Cantilever

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