A wireless charging algorithm for rechargeable wireless sensor networks in coal mines faces

被引：3
|
作者：
Hu, Qingsong [1 ,2 ,3 ]
Cheng, Yong [2 ]
Li, Binghao [4 ]
Li, Shiyin [1 ,2 ,3 ]
Sun, Yanjing [1 ,2 ,3 ]
机构：
[1] China Univ Min & Technol, Engn Res Ctr Intelligent Control Underground Spac, Minist Educ, Xuzhou 221116, Jiangsu, Peoples R China
[2] China Univ Min & Technol, Sch Informat & Control Engn, Xuzhou, Jiangsu, Peoples R China
[3] China Univ Min & Technol, Xuzhou Engn Res Ctr Intelligent Ind Safety & Emer, Xuzhou, Jiangsu, Peoples R China
[4] Univ New South Wales, Sch Minerals & Energy Resources Engn, Sydney, NSW, Australia
来源：
IET COMMUNICATIONS | 2022年 / 16卷 / 12期
基金：
中国国家自然科学基金;
关键词：
INTERNET; NODES;
D O I：
10.1049/cmu2.12410
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The working face is the most dangerous place of coal mines, and it is difficult (even impossible) to replenish energy by replacing batteries of sensor nodes in the working faces. This paper presents a wireless charging method for this scenario that is composed of two sub methods called mining charging and maintaining charging, respectively. Mining charging provides opportunistic charging services during the process of coal cutting through two airborne Mobile Chargers (MCs) installed on the two ends of the shearer and two portable MCs carried by shearer drivers. Maintaining charging provides opportunistic charging services for nodes in the charging radius when scraper conveyor repairmen and hydraulic support repairmen check or repair equipment, with each repairman carrying one portable MC. Simulation results show that both mining charging and maintaining charging can give energy replenishment for nodes in coal faces. When charging power of MCs is greater than or equal to 5.2 W, the first row of nodes can work sustainably. If the energy requirements of the second row of nodes are also met, the charging power of MCs cannot be less than 12 W.
引用
收藏
页码：1442 / 1453
页数：12
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