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相关概念视频

Virtual Work for a System of Connected Rigid Bodies01:06

Virtual Work for a System of Connected Rigid Bodies

381
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.
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381

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相关实验视频

Updated: Jun 28, 2025

Virtual Prism Adaptation Therapy: Protocol for Validation in Healthy Adults
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在VR中使用多个道具进行基于代理重要性的触觉重定位.

Ziming Liu, Jian Wu, Lili Wang

    IEEE transactions on visualization and computer graphics
    |April 23, 2024
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    概括
    此摘要是机器生成的。

    本研究介绍了一种新的触觉重定位方法,用于虚拟现实,使用代理的重要性来管理现实世界对象交互. 它显著减少了重置,并在单用户和多用户虚拟现实任务中改善了用户体验.

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    相关实验视频

    Last Updated: Jun 28, 2025

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    科学领域:

    • 人与计算机的交互
    • 虚拟现实 虚拟现实 虚拟现实
    • 触觉学是指触觉学,是指触觉学.

    背景情况:

    • 虚拟现实 (VR) 通过使用现实世界道具的被动触觉反来增强沉浸感.
    • 触觉重定位对准虚拟和真实手,但可能需要由于大偏移而破坏性重置.
    • 在触觉重定位中过度重置会减少用户沉浸在VR中.

    研究的目的:

    • 为VR提出一种新的触觉重定位方法,尽量减少重置并增强用户体验.
    • 引入和应用"代理重要性"的概念,以便在VR中有效地管理道具.
    • 为单用户和多用户协作VR场景优化触觉重定位.

    主要方法:

    • 开发了一种基于计算现实世界道具的代理重要性的触觉重定位方法.
    • 实施了基于移动虚拟对象的代理重要性驱动的支柱选择和放置策略.
    • 引入了一个加权的代理重要性策略,以提高多用户VR协作中的性能.

    主要成果:

    • 显著减少了触觉重定位操作期间所需的重置次数.
    • 减少任务完成时间,手部移动距离,以及用户的整体任务负载.
    • 在单个用户任务中实现了这些改进,而不会引发网络疾病.
    • 通过加权的代理重要性,在多用户协作任务中显著提高了性能.

    结论:

    • 拟议的基于代理重要性的触觉重定位方法有效地减少了重置,并提高了VR交互效率.
    • 这种方法在个人和协作VR环境中增强了用户的沉浸感和任务性能.
    • 权重代理重要性为优化VR中的多用户触觉交互提供了一个可扩展的解决方案.