A Novel Quarter?Circular Arc Multi?Direction Piezoelectric VEH and Its Theoretical Model
نویسندگان
چکیده
A quarter-circular arc piezoelectric Vibration energy harvester (VEH) based on nonlinear geometry is proposed with both bending moment and torque deformation mode, so it can effectively absorb multidirectional vibration at the same resonance frequency. The theoretical model of VEH established to study frequency output voltage. In order demonstrate multi-directional performance VEH, stress distribution compared that traditional in multi-direction vibration, voltage circular are relatively increased 267.26% X-direction, 463.18% Y-direction, 17.24% Z-direction. external load equipped circuit measure power, whose matching resistance around 21k?, maximum powers 7.57mW 2.39mW 9.93mW
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ژورنال
عنوان ژورنال: Chinese Journal of Electronics
سال: 2021
ISSN: ['1022-4653', '2075-5597']
DOI: https://doi.org/10.1049/cje.2020.12.003