传奇私服-“智能”自驱动乒乓球台

时间:2019-12-03 17:22 来源: www.seosem.ws


 
“智能”自驱动乒乓球台 |《自然-通讯》  
 

论文标题:Flexible and durable wood-based triboelectric nanogenerators for self-powered sensing in athletic big data analytics

期刊:Nature communications

作者:Jianjun Luo, Ziming Wang et.al

发表时间:2019/11/26

数字识别码:10.1038/s41467-019-13166-6

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《自然-通讯》本周发表的一篇论文Flexible and durable wood-based triboelectric nanogenerators for self-powered sensing in athletic big data analytics报告了一款“智能”乒乓球台,其自带的检测系统由乒乓球撞击产生的能量驱动,可以测量球速、追踪球路、检测擦边球(判断球打在台面上还是侧面边缘)。该系统可提供实时数据,不仅有利于运动员训练,还能协助裁判做出决定。

传奇私服-“智能”自驱动乒乓球台

柔性木基摩擦电传感器与智能乒乓球桌的制作及原理图。

图片来源:Wang等

目前为止,要获得运动相关的实时数据往往依赖于分布广泛的电池传感器。这些传感器寿命有限,更换率或充电成本高昂,废弃后还会造成环境问题。而摩擦纳米发电机可以直接将机械刺激转化为电信号,已被用作自驱动压力传感器。

美国佐治亚理工学院的王中林和同事开发了一种木基摩擦电传感器,并将其用于一款“智能”乒乓球台。乒乓球撞击产生的能量收集后可分别给一个免电池落点分布统计系统和一个擦边球判定系统供能。作者表明该系统可以采集乒乓球撞击位置、球速和球路追踪的数据,并显示实时统计。作者采用的分布策略还能让传感器分辨两类擦边球:擦侧边球和擦上边球。

作者认为,这项成果或能实现运动分析的更多可能,开拓木基电子器件与自驱动系统相结合的应用前景。

摘要:In the new era of internet of things, big data collection and analysis based on widely distributed intelligent sensing technology is particularly important. Here, we report a flexible and durable wood-based triboelectric nanogenerator for self-powered sensing in athletic big data analytics. Based on a simple and effective strategy, natural wood can be converted into a high-performance triboelectric material with excellent mechanical properties, such as 7.5-fold enhancement in strength, superior flexibility, wear resistance and processability. The electrical output performance is also enhanced by more than 70% compared with natural wood. A self-powered falling point distribution statistical system and an edge ball judgement system are further developed to provide training guidance and real-time competition assistance for both athletes and referees. This work can not only expand the application area of the self-powered system to smart sport monitoring and assisting, but also promote the development of big data analytics in intelligent sports industry.

(来源:科学网)

 

 

 

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