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An ionic hydrogel-based 3D force sensor for multidimensional password input and enhanced security

delete2026-07-27
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PRE
AI
H
Haoyang Zhao
X
Xiaoqin Li
X
Xinming Zhuang
Q
Qikai Guo
M
Min Zhang
Y
Yang Li
DOI:10.1007/s40843-026-4110-9delete
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摘要

摘要

En 中文
柔性触觉传感器是新兴人机交互系统的基石,能够使机器感知和响应复杂的机械刺激。然而,实现对三维(3D)力的精确解耦传感及其在功能系统中的实际集成仍是一个重大挑战。本文提出了一种基于离子水凝胶的压阻式3D力传感器,能够检测和分析多方向力。该传感器在1–25 N范围内对法向力表现出良好的线性响应(R2=0.99),并在0–4 N范围内保持稳定的剪切力灵敏度。此外,将该传感器应用于柔性密码安全系统显示出显著优势。通过整合力的大小和方向,我们的系统将传统的单维密码输入扩展为多维格式,能够有效加密数字、字母和摩斯密码输入。实验结果表明,该系统在提升信息安全方面具有巨大潜力。
Keyword:
flexible tactile sensor
three-dimensional forces
ionic hydrogel
force sensor

期刊

Science China-Materials 封面图
Science China-Materials
IF:
7.4
论文数:
3.7K
被引数:
1.2W

机构

S
School of Integrated Circuits
学者数:
377
论文数: 95
被引数: 3
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