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Triboelectrification-enabled touch sensing for self-powered position mapping and dynamic tracking by a flexible and area-scalable sensor array
Nano Energy ( IF 17.6 ) Pub Date : 2017-09-20 , DOI: 10.1016/j.nanoen.2017.09.025
Xiao Xiao Zhu , Xian Song Meng , Shuang Yang Kuang , Xian Di Wang , Cao Feng Pan , Guang Zhu , Zhong Lin Wang

A touch sensor is essentially a transducer that transforms physical touches into measurable electric signals. Here, we report a fabric-based self-powered triboelectric sensor array. Individual sensing units are constituted by intersections between row electrode lines and column electrode lines that have complementary patterns. When a sensing unit is touched, surface triboelectrification coupled with electrostatic induction generates an output voltage as high as ~25 V on both the row and column electrode lines. Through proper shielding design, exceptionally low crosstalk between adjacent electrode lines is achieved, which gives an optimal near end crosstalk (NEXT) value of 0.01. A prototype of a visualized sensing system is demonstrated, which can display the position, the trajectory and the approximate profile of multiple contact objects in real time. The ITESA presented in this work does not rely on power supplies and possesses great flexibility as well as robustness. It can be scaled in area and is expected to be used in fields such as robotics, security monitoring, industrial automation, artificial intelligence, and health monitoring.



中文翻译:

启用摩擦起电的触摸感应,通过灵活且面积可扩展的传感器阵列进行自供电位置映射和动态跟踪

触摸传感器本质上是将物理触摸转换为可测量电信号的换能器。在这里,我们报告了一种基于织物的自供电摩擦电传感器阵列。各个感测单元由具有互补图案的行电极线和列电极线之间的交叉点构成。当触摸传感单元时,表面摩擦带电加上静电感应会在行和列电极线上产生高达〜25 V的输出电压。通过适当的屏蔽设计,可以在相邻电极线之间实现极低的串扰,从而获得0.01的最佳近端串扰(NEXT)值。演示了可视化传感系统的原型,该原型可以显示位置,实时获取多个接触对象的轨迹和近似轮廓。这项工作中介绍的ITESA不依赖电源,并且具有很大的灵活性和鲁棒性。它可以按面积缩放,并有望在机器人技术,安全监控,工业自动化,人工智能和健康监控等领域中使用。

更新日期:2017-09-20
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