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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

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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相关实验视频

Updated: Jun 15, 2026

Interactive and Visualized Online Experimentation System for Engineering Education and Research
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虚拟导航工具箱:为虚拟导航实验提供工具.

Martin M Müller1, Jonas Scherer1, Patrick Unterbrink1

  • 1Department of Neurobiology, Bielefeld University, Bielefeld, NRW, Germany.

PloS one
|November 9, 2023
PubMed
概括
此摘要是机器生成的。

研究人员开发了虚拟导航工具箱 (VNT),用于创建虚拟现实 (VR) 空间导航实验. 在VR导航中,定位性能对地标很敏感,而不是avatar的速度.

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科学领域:

  • 认知心理学 认知心理学
  • 神经科学是一个神经科学.
  • 人与计算机的交互

背景情况:

  • 虚拟现实 (VR) 对空间导航研究至关重要,它提供了沉浸式和交互式环境.
  • 现有的实验VR工具在范围,可用性和可比性上是有限的.
  • 需要灵活,易于管理的虚拟现实实验开发工具.

研究的目的:

  • 介绍虚拟导航工具箱 (VNT),用于创建空间导航VR实验.
  • 为VR实验开发提供一个模块化和可重复使用的工具集.
  • 通过展示研究来证明VNT的实用性.

主要方法:

  • 使用Unity游戏引擎开发了虚拟导航工具箱 (VNT).
  • 设计的VNT具有可互换和独立的模块,以提高灵活性.
  • 实施了一项使用VNT进行展示研究,以测试空间导航原则.

主要成果:

  • 该VNT促进创建各种VR空间导航实验.
  • 在三角形完成任务中,导航性能与化身转换速度不变.
  • 自导性能对VR环境中存在的地标数量高度敏感.

结论:

  • VNT是空间导航和VR研究人员的一个有价值的开源资源.
  • VNT促进了VR实验的更简单的开发和数据管理.
  • 研究结果强调了地标在虚拟现实导航中的空间记忆中的重要性.