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相关概念视频

Three-Dimensional Force System01:30

Three-Dimensional Force System

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In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...
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Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

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A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
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Two-Dimensional Force System01:20

Two-Dimensional Force System

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A two-dimensional system in mechanical engineering involves the analysis of motion and forces in a plane. A two-dimensional force vector can be resolved into its components as:
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Two-Dimensional Force System: Problem Solving01:29

Two-Dimensional Force System: Problem Solving

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Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector analysis and force equilibrium, one can determine the effect of multiple forces acting on an object in a two-dimensional space.
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...
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Static and Kinetic Frictional Force01:05

Static and Kinetic Frictional Force

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One of the simpler characteristics of sliding friction is that it is parallel to the contact surfaces between systems, and is always in a direction that opposes the motion or attempted motion of the systems relative to each other. If two systems are in contact and moving relative to one another, then the friction between them is called kinetic friction. For example, kinetic friction slows a hockey puck sliding on ice.
However, if two systems are in contact and are stationary relative to one...
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Work and Energy for Variable Forces01:10

Work and Energy for Variable Forces

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When an object is acted upon by a variable force, the amount of work done and the change in energy of the object can be more complex to calculate compared to when a constant force is applied. Work is the product of force and displacement, while energy is the capacity of a system to do work. When a constant force is applied to an object, the work done can be calculated as the product of the force and the distance moved in the direction of the force. However, when a variable force is applied, the...
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相关实验视频

Updated: Sep 16, 2025

Isokinetic Robotic Device to Improve Test-Retest and Inter-Rater Reliability for Stretch Reflex Measurements in Stroke Patients with Spasticity
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一个可变刚度系统用于协作机器人应用中的冲击分析,采用FPGA基于的力和压力数据采集.

Andrea D'Antona1, Saverio Farsoni1, Jacopo Rizzi1

  • 1Department of Engineering, University of Ferrara, 44121 Ferrara, Italy.

Sensors (Basel, Switzerland)
|July 12, 2025
PubMed
概括

本研究引入了可变刚度冲击测试装置 (VSITD),以确保人机协作中的安全性. 该设备模拟了人类生物力学,用于在共享工作空间中可靠地测试机器人系统.

关键词:
在FPGA中,FPGA是指FPGA.强力传感器是一种强力传感器.影响力影响力影响力影响力互动互动互动互动互动.机器人技术 机器人工程 机器人工程在安全方面,安全是安全的.硬性 硬性 硬性

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科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 人与机器人的交互
  • 生物力学 生物力学

背景情况:

  • 协作机器人需要先进的安全系统来进行人与人之间的物理交互.
  • 现有的测试方法可能无法完全捕捉人机物理接触的复杂性.

研究的目的:

  • 开发和介绍一个可变刚性冲击测试装置 (VSITD).
  • 模拟人类的生物力学特性,如弹性和合规性,以实现现实的冲击模拟.
  • 根据ISO/TS 15066安全标准对机器人系统进行验证.

主要方法:

  • 将可变刚度机制 (VSM) 与多传感器系统集成.
  • 使用感应力电阻器 (FSR) 矩阵,压电负载电池和基于FPGA的采集单元.
  • 快速重新配置VSM刚度以模拟各种冲击场景.

主要成果:

  • VSITD可以快速获取接触力和压力.
  • 该系统通过调整刚度成功模拟了广泛的撞击场景.
  • 该设备提供了一个模块化和灵活的平台,用于测试各种协作机器人.

结论:

  • VSITD提供了一种可靠的方法,用于对协作机器人平台的部署前验证.
  • 它为人机协作安全测试建立了一个新的基准.
  • 该设备增强了共享机器人工作空间的安全性和性能保证.