摩擦电效应
光伏
材料科学
接口(物质)
物联网
能量收集
光伏系统
电气工程
能量(信号处理)
嵌入式系统
计算机科学
工程类
复合材料
统计
毛细管数
毛细管作用
数学
作者
Chunkai Qiu,Fan Wu,Chengkuo Lee,Mehmet Rasit Yuce
出处
期刊:Nano Energy
[Elsevier]
日期:2020-04-01
卷期号:70: 104456-104456
被引量:92
标识
DOI:10.1016/j.nanoen.2020.104456
摘要
Abstract The rapid expansion of Internet of Things (IoT) in many living environments, such as smart home, has motivated the development of human-machine interfaces (HMIs) for the interactions between human and machine. In this paper, a sliding operation triboelectric nanogenerator (TENG) based control disk interface, generating 3-bit binary-reflected Gray-code (BRGC), is developed by integrating copper electrodes, polytetrafluoroethylene (PTFE) film, photovoltaic cell, and electronic signal processing circuits. Eight sensing transitions are successfully achieved by the 3-bit BRGC encoding patterns with two electrodes. One electrode represents the binary bit “0”; another electrode represents the binary bit “1”. A third electrode located in the middle of the disk is utilized to indicate the sliding directions (inward or outward). The output signal detection mechanism and signal processing circuit have been developed, and a Bluetooth transmitter is employed for enabling controlling applications wirelessly. Besides the self-powered sensing characteristic of the triboelectric control disk, a hybrid energy harvester that can harvest triboelectric and photovoltaics energy is proposed to power the entire electronic control circuit. Finally, this triboelectric control disk is employed as a self-powered interface for smart home control and password authentication access control system, which exhibits promising reliability, practicality, and flexibility.
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