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相关概念视频

Absolute Motion Analysis- General Plane Motion01:24

Absolute Motion Analysis- General Plane Motion

513
Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the...
513
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

689
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
689
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

868
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
868
Relative Motion Analysis using Rotating Axes - Acceleration01:22

Relative Motion Analysis using Rotating Axes - Acceleration

736
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame. The absolute velocity of point B is determined by adding the absolute velocity of point A, the relative velocity of point B in the rotating frame, and the effects caused by the angular velocity within the rotating frame.
Time differentiation is...
736
Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

789
A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...
789
Relative Motion Analysis - Velocity01:24

Relative Motion Analysis - Velocity

678
A stroke engine has a slider-crank mechanism that converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider.
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
678

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相关实验视频

Updated: Jan 11, 2026

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
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从使用开源Python基于人工智能 (AI) 插曲的虚拟静态外观记录生成扫描器无意识的动态下巴运动.

Mohamed Sherif Omar1, Chao-Chieh Yang2, Dean Morton3

  • 1Department of Prosthodontics, Indiana University School of Dentistry, Indianapolis, Indiana, USA.

Journal of prosthodontics : official journal of the American College of Prosthodontists
|November 14, 2025
PubMed
概括
此摘要是机器生成的。

一个新的数字工作流使用人工智能 (AI) 来从静态牙科扫描中创建动态下巴运动. 这种具有成本效益的,扫描器不可知的技术将患者特定的部运动集成到数字牙科中.

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科学领域:

  • 数字牙科数字牙科
  • 生物机械工程 生物机械工程
  • 医疗保健中的人工智能

背景情况:

  • 目前的数字假牙工作流程通常依赖于静态的间隔记录.
  • 生成动态下部运动数据对于准确的数字修复至关重要.
  • 现有的方法可能是昂贵的,并且特定于供应商.

研究的目的:

  • 开发一种扫描器无关的数字工作流程,用于生成动态下部运动.
  • 利用人工智能 (AI) 来插曲中间的位置.
  • 创建一个具有成本效益的,非供应商特定的解决方案,将部运动集成到数字工作流中.

主要方法:

  • 使用Python开发了一个定制的AI算法和用户界面.
  • 使用口腔内扫描仪捕获了静态虚拟间记录 (最大间,突出,侧向外游).
  • 使用量化点跟踪和插值来生成与CAD软件兼容的运动路径文件.

主要成果:

  • 该技术成功地从静态虚拟记录中产生了动态下部运动.
  • 人工智能算法有效地插入了中间的位置.
  • 工作流是扫描器无关的,并且与现有的牙科CAD软件兼容.

结论:

  • 这种由人工智能驱动的数字工作流提供了一个具有成本效益和适应性的解决方案,用于动态下巴运动分析.
  • 它可以将个性化下部运动集成到数字假牙工作流程中.
  • 开源工具和人工智能的使用减少了对供应商的依赖,并提高了可访问性.