Impact-enhanced Electrostatic Vibration Energy Harvester

被引：13
作者：
Dragunov, Valery P. [1 ]
Ostertak, Dmitriy, I [1 ]
Kiselev, Dmitry E. [1 ]
Dragunova, Evgeniya, V [2 ]
机构：
[1] Novosibirsk State Tech Univ, Dept Semicond Devices & Microelect, Karl Marx Ave 20, Novosibirsk 630073, Russia
[2] Novosibirsk State Tech Univ, Dept Comp Sci Econ, Karl Marx Ave 20, Novosibirsk 630073, Russia
来源：
JOURNAL OF APPLIED AND COMPUTATIONAL MECHANICS | 2022年 / 8卷 / 02期
关键词：
MEMS; vibration energy harvesting; periodicity; power; spatial limitations; MEMS;
D O I：
10.22055/JACM.2021.38781.3312
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Y An influence of mechanical impacts between variable capacitor electrodes on the electrostatic vibration energy harvester (e-VEH) operation is studied theoretically. The analysis is carried out for two conditioning circuits with parallel and serial load connection. A relationship between e-VEH parameters and external mechanical force characteristics enabling to assess the possibility of operation in a periodic impact mode is obtained. Dependences of the average power generated by the impactenhanced e-VEH versus the number of collisions between the electrodes and the load resistor value are calculated. The operation of the harvester for two circuits in impact and non-impact modes is compared and analyzed. It is shown that the average power generated by the e-VEH for the impact mode can exceed the power for the non-impact mode by 1-2 orders of magnitude along with a significant decrease of the harvester optimal load resistance.
引用
收藏
页码：671 / 683
页数：13
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