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相关概念视频

Absolute Motion Analysis- General Plane Motion01:24

Absolute Motion Analysis- General Plane Motion

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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...
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Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

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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...
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Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

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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...
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Planar Rigid-Body Motion01:22

Planar Rigid-Body Motion

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Understanding the movement of a rigid body in planar motion involves recognizing that every particle within this body is traversing a path that maintains a consistent distance from a specific plane. This concept is fundamental in the study of physics and mechanical engineering, and it allows us to comprehend better how objects move in space.
Planar motion is typically divided into three distinct categories. The first is rectilinear translation, demonstrated by a subway train that moves along...
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Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

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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...
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Curvilinear Motion: Rectangular Components01:23

Curvilinear Motion: Rectangular Components

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Curvilinear motion characterizes the movement of a particle or object along a curved path, notably evident when envisioning a car navigating a winding road. If the car starts at point A, its position vector is established within a fixed frame of reference, where the ratio of the position vector to its magnitude signifies the unit vector pointing in the position vector's direction.
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the...
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相关实验视频

Updated: Mar 8, 2026

Three-Dimensional Finger Motion Tracking during Needling: A Solution for the Kinematic Analysis of Acupuncture Manipulation
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一个基于斐波纳契序列的新运动概况.

Wu-Sung Yao1, Yu-Chuan Tseng1, Jun-Hao Hu1

  • 1Department of Mechatronics Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.

Science progress
|March 7, 2026
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种基于斐波那契序列的新型运动概况,可以提高控制稳定性和定位精度. 新设计消除了加速中的不连续性,比机器人系统的传统S曲线提高了性能.

关键词:
斐波纳契序列是什么意思 斐波纳契序列这是一个S曲线.- - 连续计划的计划.蛋-限制运动.运动控制器运动控制器

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相关实验视频

Last Updated: Mar 8, 2026

Three-Dimensional Finger Motion Tracking during Needling: A Solution for the Kinematic Analysis of Acupuncture Manipulation
08:27

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Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
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Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

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科学领域:

  • 机器人和控制系统 机器人和控制系统
  • 应用数学 应用数学 应用数学
  • 机械工程 机械工程

背景情况:

  • 传统的S曲线和正弦曲线在加速过渡过程中经常表现出不连续性.
  • 这些不连续性可能会对运动控制系统的控制稳定性,定位精度和当前性能产生负面影响.
  • 现有的运动配置文件可能无法完全利用数学序列来优化平滑过渡.

研究的目的:

  • 基于斐波纳契序列的新型运动形状设计.
  • 为了消除加速段中的不连续性,同时保持S曲线的断片结构.
  • 为了提高控制稳定性,定位精度和运动控制应用中的当前性能.

主要方法:

  • 通过结合基于斐波纳契序列的平滑过渡段,开发了修改后的运动概况.
  • 推导出分析模型用于加速,冲动,速度和拟议的配置文件的位移.
  • 进行模拟,将修改后的形状与传统的S曲线进行比较,使用具有不同阻尼比率的电机模型.
  • 在无刷直流电机系统上进行实验验证.

主要成果:

  • 基于斐波纳契的运动概况有效地消除了加速段之间的不连续性.
  • 与传统的S曲线相比,模拟和实验表明定位准确度有所提高.
  • 拟议的配置文件显示在运动控制任务中增强了当前稳定性和整体性能.
  • 建立了分析模型和配置文件变体的选择标准.

结论:

  • 基于斐波纳契序列的运动概况比传统的S曲线有了显著的改进.
  • 这种新的方法提高了运动控制系统的精度和稳定性,特别是在需要高精度的应用中.
  • 该方法通过模拟和实验结果在无刷直流电机上进行验证.