A NONLINEAR ENERGY HARVESTER USING BI-STABILITY FOR SELF-POWERED HEALTH MONITORING OF HIGH-SPEED TRAINS

被引：0
|
作者：
Liu, Mengzhou [1 ]
Qin, Yong [1 ]
Fu, Hailing [2 ]
Tian, Yin [3 ]
Tu, Dilong [1 ]
Jia, Haixia [1 ]
机构：
[1] Beijing Jiaotong Univ, State Key Lab Adv Rail Autonomous Operat, Beijing, Peoples R China
[2] Beijing Inst Technol, Sch Automat, Beijing, Peoples R China
[3] CRRC Acad Corp Ltd, Beijing, Peoples R China
来源：
2023 22ND INTERNATIONAL CONFERENCE ON MICRO AND NANOTECHNOLOGY FOR POWER GENERATION AND ENERGY CONVERSION APPLICATIONS, POWERMEMS 2023 | 2023年
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
Energy Harvester; Bistable; Tapered Coil; Broadband;
D O I：
暂无
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：
A bistable nonlinear energy harvester for rail transport is proposed, designed to effectively harvest vibration energy during train operation and facilitate health monitoring. Under the influence of two limit springs and a stationary magnet, the movable magnet exhibits bistable dynamics. The outer coil of the sleeve features a tapered shape, resulting in a notable increase in the system's output power. A prototype was fabricated, and experimental testing was conducted under conditions similar to freight trains. The harvester demonstrates a wide operating bandwidth from 9 to 44 Hz. A measured peak output power of 60 mW was obtained with a resistive load of 2600 ohms, under the acceleration of 3.2g and 25 Hz. This work provides a promising solution to power wireless monitoring of rail trains in a self-sustained and battery-free manner.
引用
收藏
页码：248 / 251
页数：4
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