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相关概念视频

Frequency of Spring-Mass System01:17

Frequency of Spring-Mass System

5.4K
One interesting characteristic of the simple harmonic motion (SHM) of an object attached to a spring is that the angular frequency, and the period and frequency of the motion, depend only on the mass and the force constant of the spring, and not on other factors such as the amplitude of the motion or initial conditions. We can use the equations of motion and Newton's second law to find the angular frequency, frequency, and period.
Consider a block on a spring on a frictionless surface. There...
5.4K

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相关实验视频

Updated: Jun 7, 2025

Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings
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Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings

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双脚弹质量模型在行走中的触摸下降状态控制.

Hamid Vejdani1, Albert Wu2, Hartmut Geyer2

  • 1Mechanical, Robotics, and Industrial Engineering Department, Lawrence Technological University, Southfield, MI, United States of America.

Bioinspiration & biomimetics
|November 21, 2024
PubMed
概括

研究人员为双脚弹质量模型制定了稳定控制策略,提高了对动物运动和机器人设计的理解. 这一政策确保了使用国家内部信息来防止干扰的稳定性.

关键词:
双脚弹质量模型有腿的机车运动机器.被动动动态的动力学自己稳定的自我稳定性.摆动腿部控制 摆动腿部控制

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Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb
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Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis
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Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis

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相关实验视频

Last Updated: Jun 7, 2025

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06:21

Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings

Published on: July 26, 2022

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科学领域:

  • 机器人和生物力学
  • 动态系统理论 动态系统理论

背景情况:

  • 动物双脚运动是复杂的.
  • 双脚弹质量模型简化并预测运动动态.

研究的目的:

  • 分析双脚弹质量模型的步态.
  • 提出一个稳定着陆触摸控制政策.
  • 概括系统独立性的结果.

主要方法:

  • 无维的运动方程. 无维的运动方程.
  • 分析了平衡步态 (固定点).
  • 执行了触地政策的稳定性分析.

主要成果:

  • 拟议的政策稳定了对称平衡步态.
  • 具有特征的峰值腿部力变化.
  • 在不同地形上模拟机车运动.

结论:

  • 触地政策对各种步态和条件有效.
  • 这些发现有助于我们更好地理解动物的运动.
  • 适用于机器人系统设计和控制.