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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

425
A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
425

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相关实验视频

Updated: Sep 9, 2025

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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无线电感系统与基于水凝的电极

Yunting Lan1, Kuanming Yao2, Pujing Shi1

  • 1Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.

Small methods
|September 2, 2025
PubMed
概括

这项研究介绍了先进的触觉技术的无线电动接口. 该系统提供无痛的触觉反,并增强视力障碍用户的导航,在盲人识别中实现高精度.

关键词:
生物界面有导电性的水凝符合要求的触觉互动

更多相关视频

Fabrication and Characterization of a Conformal Skin-like Electronic System for Quantitative, Cutaneous Wound Management
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Bioinspired Soft Robot with Incorporated Microelectrodes
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相关实验视频

Last Updated: Sep 9, 2025

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
05:57

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Published on: March 17, 2023

2.4K
Fabrication and Characterization of a Conformal Skin-like Electronic System for Quantitative, Cutaneous Wound Management
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Bioinspired Soft Robot with Incorporated Microelectrodes
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科学领域:

  • 生物医学工程
  • 触觉技术
  • 神经科学

背景情况:

  • 现有的触觉技术面临机械不匹配和整合挑战的局限性.
  • 电感刺激为触觉反提供了一个有希望的途径,但需要优化用户的舒适性和有效性.

研究的目的:

  • 开发和演示一个无线表皮电接口,克服当前触觉技术的局限性.
  • 帮助视力障碍者获得无疼痛的触觉和更好的导航.

主要方法:

  • 集成符合皮肤的电极和灵活的电路,用于无线接口.
  • 优化电极-皮肤模量匹配和电化学接口,以达到低刺激值 (<20 V).
  • 开发一个毫米尺度的架构,将多重刺激通道映射到盲文配置中.

主要成果:

  • 在手指上无痛触觉的演示.
  • 在使用盲文配置的人体试验中实现了91.90%的字母数字识别准确度.
  • 在复杂的环境中成功展示了对视力受损用户的运动控制能力.

结论:

  • 开发的无线电接口有效地解决了当前触觉技术的局限性.
  • 该系统提供了一种可行的解决方案,用于增强视力障碍者的触觉反,盲文识别和环境导航,促进更大的独立性.