在功能上端达到任务中对实现和定位运动原始体的细分方法的比较
Kyle L Jackson1, Zoran Duric1,2, Susannah M Engdahl2,3,4
1Department of Computer ScienceGeorge Mason University Fairfax VA 22030 USA.
IEEE journal of translational engineering in health and medicine
|December 7, 2023
概括
分析人类上肢运动 (FUEM) 需要细分运动原体. 这项研究评估了五种细分方法,发现大多数的效果很好,并提出了用于临床应用的自动化审查工具.
科学领域:
- 生物力学 生物力学
- 人与计算机的交互
- 康复工程 康复工程
背景情况:
- 对人类功能上肢运动 (FUEM) 的动力学分析对于健康监测和康复至关重要.
- 将FUEM分解为活动,动作和原体对于运动分析至关重要.
- 当前的机器学习方法对于分析像达到和准这样的FUEM原体具有有限的实用性.
研究的目的:
- 在FUEM中调查和评估五种不同的方法来细分到达和准运动原始体.
- 为了比较这些细分方法在触觉模拟和现实世界的领域的性能.
- 提出一种用于自动识别可能不正确的细分结果的新方法.
主要方法:
- 对五种不同的分段算法进行评估,以达到和准运动原始体.
- 在两个不同的数据领域进行测试:触觉模拟和现实世界运动捕获.
- 开发一种自动化方法来对标志分段错误进行人类审查.
主要成果:
- 大多数经过评估的细分方法都显示出合理的性能,考虑到当前的评估限制.
- 拟议的自动化方法有效地识别了可能不正确的细分结果.
- 在触觉模拟和现实数据之间观察到性能一致性.
结论:
- 现有的细分方法在很大程度上足以满足当前的FUEM动力学分析需求.
- 开发的自动化审查工具可以显著简化细分验证过程.
- 这项工作为在临床环境中更有效,更可扩展的动力学数据处理铺平了道路.
相关概念视频
Absolute Motion Analysis- General Plane Motion
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 drone...
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 drone...
Relative Motion Analysis using Rotating Axes-Problem Solving
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...
Here, in order to determine the magnitude of velocity and acceleration for point...
Vector Functions and Motion: Problem Solving
Accurate position tracking is fundamental to the safe and effective operation of unmanned aerial vehicles (UAVs), particularly during precision maneuvers near complex structures. In this scenario, a drone is programmed to perform a high-precision inspection of a vertical structure, starting at position ((x, y, z) = (3, 0, 0)), with an initial velocity oriented in the positive z-direction. The trajectory of the drone is governed by a time-dependent acceleration function a(t), which is predefined...


