The effect of the beam shapes on the doubly-clamped piezoelectric energy harvester

doi:10.1007/s10483-019-2513-7

Abstract

Abstract: For a piezoelectric energy harvester composed of a doubly-clamped beam with arbitrary width shapes and a proof mass, the influence of beam shapes and electrode arrangements on different electric outputs is analyzed. The output performances of piezoelectric energy harvesters with rectangular shape, concave trapezoidal shape, and concave parabolic shape are compared, and an optimization way is given. The experimental results validate the effectiveness of the methods.

Key words: doubly-clamped, width shape, piezoelectric energy harvester, electrode connection

2010 MSC Number:

34C15

Lei JIN, Shiqiao GAO, Xiyang ZHANG. The effect of the beam shapes on the doubly-clamped piezoelectric energy harvester. Applied Mathematics and Mechanics (English Edition), 2019, 40(9): 1361-1374.

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