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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

299
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...
299

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相关实验视频

Updated: Jun 16, 2025

Rendering SiO2/Si Surfaces Omniphobic by Carving Gas-Entrapping Microtextures Comprising Reentrant and Doubly Reentrant Cavities or Pillars
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优化三明治和拓结构,以提高触觉透明度.

Thomas Daunizeau, Sinan Haliyo, Vincent Hayward

    IEEE transactions on haptics
    |August 15, 2024
    PubMed
    概括

    研究人员优化了触觉接口,以获得高保真触觉反. 使用碳纤维和3D打印核心的新型三明治结构最大限度地减少了机械扭曲,提高了触觉透明度,以实现现实的触摸交互.

    科学领域:

    • 触觉和人机交互的人机交互
    • 材料科学与工程 材料科学与工程
    • 机械工程 机械工程

    背景情况:

    • 多模式感知需要一致的感官刺激来准确地表示世界.
    • 对于触觉的弹性波传播往往被像共振和惯性这样的寄生机械属性扭曲.
    • 由于这些扭曲,现有的触觉设备难以忠实地染或记录触觉交互.

    研究的目的:

    • 研究和优化机械传输,以提高触觉透明度.
    • 为高保真触觉接口开发一个设计范式.
    • 为了解决触觉感知中的机械色彩的关键问题.

    主要方法:

    • 设计和制造三明治结构,使用刚性,轻量级的碳纤维板和3D打印的晶格核心.
    • 拟议结构的全面参数评估.
    • 与拓优化绘制的类比,以评估性能限制.

    主要成果:

    • 建议的三明治结构设计在各种格子类型中显示出卓越的触觉透明度.
    • 该设计有效地减少了寄生机械属性,如共振和惯性.
    • 该解决方案接近机械变速箱优化中可预见的技术极限.

    结论:

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    • 开发的设计为创建高保真触觉接口提供了一种实用方法.
    • 这一进步显著提高了触觉交互染和记录的准确性.
    • 在工具介导交互和先进的触觉技术方面开辟了新的研究途径.