可穿戴计算机
压阻效应
标度系数
电阻器
可穿戴技术
应变计
纱线
材料科学
电子线路
可扩展性
软机器人
人体运动
印刷电路板
灵敏度(控制系统)
计算机科学
制作
电气工程
嵌入式系统
工程类
电子工程
运动(物理)
光电子学
复合材料
执行机构
替代医学
电压
数据库
人工智能
病理
医学
作者
Ujjaval Gupta,Jun Liang Lau,Pei Zhi Chia,Ying Yi Tan,Alvee Ahmed,Ngiap Chuan Tan,Gim Song Soh,Hong Yee Low
标识
DOI:10.1002/adhm.202202987
摘要
Abstract E‐textiles have recently gained significant traction in the development of soft wearables for healthcare applications. However, there have been limited works on wearable e‐textiles with embedded stretchable circuits. Here, stretchable conductive knits with tuneable macroscopic electrical and mechanical properties are developed by varying the yarn combination and the arrangement of stitch types at the meso‐scale. Highly extensible piezoresistive strain sensors are designed (>120% strain) with high sensitivity (gauge factor 8.47) and durability (>100,000 cycles), interconnects (>140% strain) and resistors (>250% strain), optimally arranged to form a highly stretchable sensing circuit. The wearable is knitted with a computer numerical control (CNC) knitting machine that offers a cost effective and scalable fabrication method with minimal post‐processing. The real‐time data from the wearable is transmitted wirelessly using a custom designed circuit board. In this work, an all knitted and fully integrated soft wearable is demonstrated for wireless and continuous real‐time sensing of knee joint motion of multiple subjects performing various activities of daily living.
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