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相关概念视频

Virtual Work01:20

Virtual Work

1.4K
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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What are Estimates?01:06

What are Estimates?

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It isn't easy to measure a parameter such as the mean height or the mean weight of a population. So, we draw samples from the population and calculate the mean height or mean weight of the individuals in the sample. This sample data acts as a representative measure of the population parameter. These sample statistics are known as estimates. 
The estimate for the mean of a sample is denoted by ͞x, whereas the mean of the population is designated as μ. Further, parameters such...
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Primary Healthcare Services01:30

Primary Healthcare Services

2.0K
Primary care promotes wellness and prevents disease. This care includes health promotion, education, protection (such as immunizations), early disease screening, and environmental considerations. Settings providing this type of healthcare include physician offices, public health clinics, school nursing, and community health nursing.
In 1978, international leaders convened in Alma-Ata, Kazakhstan, for what would be a pivotal event in global health. The Alma-Ata Declaration was the first to call...
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Preventive Healthcare Services01:30

Preventive Healthcare Services

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Preventive healthcare services keep people healthy via frequent check-ups, screening, and counseling. They primarily aid in disease prevention rather than treating an acute or chronic illness. Preventive treatment also keeps individuals productive and energetic, allowing them to work well into their retirement years. Examples of preventive care services include:
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Estimation of k and VD of Aminoglycosides01:20

Estimation of k and VD of Aminoglycosides

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Aminoglycosides are a class of antibiotics used to treat various bacterial infections. Clinicians must determine the elimination rate constant (k) and volume of distribution (VD) to optimize therapeutic efficacy and minimize toxicity. The k value represents the rate at which the drug is removed from the body, and the VD reflects the degree to which the drug distributes into body tissues. Accurately estimating these parameters allows healthcare professionals to tailor drug dosing to individual...
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Principle of Virtual Work: Problem Solving01:13

Principle of Virtual Work: Problem Solving

1.7K
The principle of virtual work is an essential concept in the field of mechanics and engineering. This is used to solve problems related to the equilibrium of a structure or system. It is based on the assumption that if a system is in equilibrium, the work done by all the forces during a virtual displacement is zero. This principle is applied by considering virtual displacements of the system and the corresponding work done by internal and external forces.
To apply the principle of virtual work,...
1.7K

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相关实验视频

Updated: Jan 29, 2026

A Teleoperated Robotic System-Assisted Percutaneous Transiliac-Transsacral Screw Fixation Technique
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服务机器人的远程操作系统使用虚拟现实耳机和3D姿势估计.

Tiago Ribeiro1, Eduardo Fernandes1, António Ribeiro1

  • 1Automation and Robotics Laboratory, Algoritmi Center, University of Minho, 4800-058 Guimaraes, Portugal.

Sensors (Basel, Switzerland)
|January 28, 2026
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概括
此摘要是机器生成的。

本研究介绍了服务机器人的沉浸式远程操作系统,通过实时3D姿势估计和虚拟现实 (VR) 增强人机交互. 该框架可以实现直观的机器人控制,但在精确的关节旋转估计方面存在局限性.

关键词:
3D姿势估计 3D姿势估计感应RGB-D的感应.人与机器人的互动服务机器人服务机器人电话操作是远程操作.虚拟现实 虚拟现实 虚拟现实 虚拟现实

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相关实验视频

Last Updated: Jan 29, 2026

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科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 人与计算机的交互
  • 计算机视觉 计算机视觉

背景情况:

  • 服务机器人需要对复杂任务进行直观的控制.
  • 现有的远程操作方法往往缺乏自然交互和情境意识.
  • 将实时人类姿势估计与VR集成为一个有希望的解决方案.

研究的目的:

  • 为服务机器人开发一个沉浸式的远程操作框架.
  • 为了使直观和自然的机器人控制使用3D人类姿势估计和VR.
  • 提高情境意识和机器人操纵能力.

主要方法:

  • 使用MediaPipe进行2D地标检测,并使用英特尔RealSense D455摄像头进行深度数据.
  • 重建了3D人类关节位置和计算的关节角度.
  • 将关节角度映射到CHARMIE服务机器人的人形臂动力学上.
  • 实现了一个具有立体视频和头部运动控制的VR接口.

主要成果:

  • 在现实世界的物体抓取任务中展示了可靠的手臂远程操作和有效的远程存在.
  • 实现了对服务机器人手臂的直观控制.
  • 在仅视觉估计轴性关节旋转的确定的局限性,特别是在闭塞的情况下.

结论:

  • 拟议的框架为低成本,传感器驱动,沉浸式的人机交互提供了一种实际方法.
  • 该系统在动态环境中增强了服务机器人的功能.
  • 需要进一步的研究来解决精确关节旋转估计的局限性,以改善远程操作.