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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

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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.
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Group Design02:01

Group Design

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The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
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Collisions in Multiple Dimensions: Problem Solving01:06

Collisions in Multiple Dimensions: Problem Solving

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In multiple dimensions, the conservation of momentum applies in each direction independently. Hence, to solve collisions in multiple dimensions, we should write down the momentum conservation in each direction separately. To help understand collisions in multiple dimensions, consider an example.
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
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Collisions in Multiple Dimensions: Introduction01:05

Collisions in Multiple Dimensions: Introduction

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It is far more common for collisions to occur in two dimensions; that is, the initial velocity vectors are neither parallel nor antiparallel to each other. Let's see what complications arise from this. The first idea is that momentum is a vector. Like all vectors, it can be expressed as a sum of perpendicular components (usually, though not always, an x-component and a y-component, and a z-component if necessary). Thus, when the statement of conservation of momentum is written for a...
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Fluid Movement Between Compartments01:18

Fluid Movement Between Compartments

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The force applied by fluids against a surface, known as hydrostatic pressure, initiates the transfer of fluid among different compartments. Within our blood vessels, the blood's hydrostatic pressure is a result of the heart's pumping action. At the arteriolar end of capillaries, hydrostatic pressure (capillary blood pressure) exceeds the opposing colloid osmotic pressure created primarily by plasma proteins like albumin. This discrepancy in pressure propels plasma and nutrients from the...
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Support Reactions in Three Dimensions01:27

Support Reactions in Three Dimensions

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Support reactions in three dimensions help maintain the stability and equilibrium of various structures and systems. These reactions prevent the system from translating and rotating, ensuring the design can withstand external forces and perform its intended function efficiently and safely. Some of the supports providing support reactions in three dimensions are discussed below:
Ball and Socket Joint is one of the supports allowing free rotation about any axis. This freedom of rotation is...
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相关实验视频

Updated: Jul 25, 2025

A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants
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A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants

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空间意识的群体互动设计框架,用于面向空间的协作沉浸式系统.

Mincong Huang1, Samuel Chabot1, Carla Leitão1

  • 1Rensselaer Polytechnic Institute, 110 8th St, Troy, 12180, NY, United States.

Applied ergonomics
|June 29, 2023
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种分析面向房间的沉浸式系统 (ROIS) 的新模型,通过结合虚拟现实人体工程学和人类建筑互动. 该模型评估设计因素,以更好地了解虚拟环境中的用户交互.

关键词:
集团互动 集团互动人类建设互动互动.面向房间的沉浸式虚拟环境.

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Evaluating Usability Aspects of a Mixed Reality Solution for Immersive Analytics in Industry 4.0 Scenarios
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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
  • 建筑和虚拟环境的架构

背景情况:

  • 面向房间的沉浸式系统 (ROIS) 越来越多地用于公共空间,但这些虚拟环境中的用户交互尚未得到充分理解.
  • 现有的虚拟现实人体工程学和人体与建筑互动 (HBI) 的知识可以综合研究ROIS.
  • 研究ROIS中的用户交互对于优化其设计和应用至关重要.

研究的目的:

  • 开发一个全面的模型来分析面向房间的沉浸式系统的内容和设计.
  • 建立一个框架来评估ROIS的交互性质.
  • 综合来自虚拟现实,人体工程学和人类建设互动的知识.

主要方法:

  • 开发了一个基于特定沉浸式系统 (CRAIVE-Lab和CIR) 硬件组件的内容分析模型.
  • 将定性因素分为五个领域:一般设计方法,拓关系,任务特征,硬件特定的设计模式和交互性质.
  • 在CRAIVE-Lab和CIR.使用现有的设计场景来测试模型的全面性.

主要成果:

  • 开发的模型有效地代表了ROIS中的设计意图.
  • 案例研究表明,在分析基于应用和基于经验的设计时,该模型的稳定性.
  • 在模型中观察到关于时间约束的局限性.

结论:

  • 该研究建立了一个基础模型,用于详细评估ROIS中的交互性质.
  • 该模型提供了一种结构化的方法,以了解集体沉浸式环境中的用户交互.
  • 为未来的研究,建议对模型进行进一步的改进,特别是关于时间方面的改进.