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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

672
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...
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Virtual Work for a System of Connected Rigid Bodies01:06

Virtual Work for a System of Connected Rigid Bodies

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Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
Next,...
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Virtual Work01:20

Virtual Work

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The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
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相关实验视频

Updated: Jan 6, 2026

Using Virtual Reality to Transfer Motor Skill Knowledge from One Hand to Another
05:12

Using Virtual Reality to Transfer Motor Skill Knowledge from One Hand to Another

Published on: September 18, 2017

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手册:一个基于手掌的交互式多窗口管理系统在虚拟现实中.

Jin-Du Wang, Ke Zhou, Haoyu Ren

    IEEE transactions on visualization and computer graphics
    |October 6, 2025
    PubMed
    概括

    Handows是一个新的基于手掌的界面,通过智能手机的手势来简化虚拟现实 (VR) 窗口管理. 这种以身体为中心的系统可以减少身体的努力和头部的运动,从而实现更高效,更精确的VR交互.

    科学领域:

    • 人与计算机的交互
    • 虚拟现实 虚拟现实 虚拟现实
    • 人体工程学就是人体工程学.

    背景情况:

    • 虚拟现实 (VR) 窗口管理由于空间复杂性和当前交互方法的物理需求而具有挑战性.
    • 现有的VR交互技术往往会导致用户疲劳和效率下降.

    研究的目的:

    • 介绍和评估Handows,一个基于手掌的新型界面,用于直观的VR窗口管理.
    • 与现有方法相比,评估Handows在减少体力劳动,头部运动以及提高任务效率和精度方面的有效性.

    主要方法:

    • 开发了Handows,一个基于手掌的界面,利用智能手机启发的手势在非主导手上.
    • 进行了一项用户研究 (N=15) 将Handows与核心窗口操作 (选择,关闭,定位,缩放) 的虚拟手和控制器方法进行比较.
    • 进行了后续的案例研究 (N=8) 以评估在现实的多任务方案中的可用性.

    主要成果:

    • 与虚拟手和控制器方法相比,手册显著减少了体力和头部运动.
    • 该系统在VR窗口管理中证明了提高任务效率和交互精度.
    • 案例研究揭示了用户适应的工作流程和多任务场景中的自发布局策略.

    结论:

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    • 手册为VR窗口管理提供了一种低功耗,空间连贯的交互方法.
    • 在以身体为中心的接口中嵌入移动灵感的隐喻显示了增强VR用户体验的潜力.
    • 这些发现表明了设计直观和人体工程学VR交互系统的新方向.