Novel Low-Frequency Rectangular-Loop Piezoelectric Energy Harvester

Abstract:

The ambient energy harvesting based on piezoelectric has become an important subject in recent research publications. A new rectangular-loop piezoelectric energy harvester(RLPEH) is proposed. The characteristic is analyzed by the finite element analysis (FEA) which includes the static analysis, modal analysis and harmonic response analysis. The analysis results show that the RLPEH could reduce the resonant frequency and improve the output voltage. The three order resonant frequency is 18.6Hz, 40.8Hz and 85.4Hz. The output voltage is 42V under 3m/s2 of acceleration and the effective bandwidth is 18.7Hz with output voltage above 10V.

• Periodical: Applied Mechanics and Materials (Volumes 635-637)
• Pages: 928-931
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.635-637.928
• Online since: September 2014
• Authors: Shuai Yuan, Bing Jiang*, Li Juan Chen, Yu Guo Hao, Jian Bo Xin, Hua Qing Zhang
• Keywords: Finite Element Analysis (FEA), Piezoelectric Energy Harvester, Rectangular-Loop, Resonant Frequency

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