An investigation on the magnetic interaction for frequency up-converting piezoelectric vibration energy harvesters

被引：2
作者：
Rosso, Michele [1 ]
Corigliano, Alberto [1 ]
Ardito, Raffaele [1 ]
机构：
[1] Politecn Milan, Dept Civil & Environm Engn, Milan, Italy
来源：
20TH INTERNATIONAL CONFERENCE ON MICRO AND NANOTECHNOLOGY FOR POWER GENERATION AND ENERGY CONVERSION APPLICATIONS (POWERMEMS 2021) | 2021年
关键词：
piezoelectric energy harvesting; frequency up-conversion nonlinear dynamics; MEMS;
D O I：
10.1109/PowerMEMS54003.2021.9658373
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This work presents an investigation of different approaches for modelling the magnetic force between permanent magnets for realizing the frequency up-conversion (FuC) in piezoelectric vibration energy harvesters (PVEH). Different analytical models are compared with finite element analyses (FEA). After the investigation, the FuC mechanism is applied on a meso-scale case study and dynamic analyses in the time domain are performed in case of harmonic monochromatic acceleration signal on the device at low-frequency. Both the repulsive and the attractive layouts of the magnets are considered and a larger amount of power is recovered in case of repulsive configuration.
引用
收藏
页码：232 / 235
页数：4
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