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相关概念视频

Self-Locking Screw01:16

Self-Locking Screw

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A square-threaded screw jack is a mechanical device widely used for lifting heavy loads or applying considerable force. One of the key features that can make a screw jack more effective and reliable is its self-locking capability.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
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Screws are characterized by a helical ridge known as a thread wrapped around a cylindrical shaft. They are commonly used as fasteners to hold objects together or to transmit power and motion in machines. One type of screw that is particularly useful for transmitting power is the square-threaded screw.
A jack with a square-threaded screw is a mechanical device used to lift heavy loads by applying a force at its handle. When the force is applied, the screw turns, raising the load. The screw can...
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相关实验视频

Updated: Jul 29, 2025

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
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Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

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一个双阶段的螺丝检测框架,用于使用反射特征回归模型自动拆卸.

Quan Liu1, Wupeng Deng1,2, Duc Truong Pham2

  • 1School of Information Engineering, Wuhan University of Technology, Wuhan 430070, China.

Micromachines
|May 27, 2023
PubMed
概括
此摘要是机器生成的。

这项研究引入了用于再制造的自动化两级螺丝检测系统. 它可以准确地识别损坏的螺丝,即使在光线不均的情况下,提高自动拆卸效率.

关键词:
数据学习数据学习.照明条件 照明条件这是反射特征的反射特征.机器人拆卸机器人拆卸机器人螺丝检测检测 螺丝检测检测

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科学领域:

  • 工程 工程师 工程师 工程师
  • 机器人技术 机器人技术 机器人技术
  • 计算机视觉 计算机视觉

背景情况:

  • 重制需要高效的自动拆卸过程.
  • 自动拆除螺丝是退役产品拆卸的关键步骤.
  • 现有的方法与受损的螺丝和可变的照明条件作斗争.

研究的目的:

  • 开发一个强大的自动视觉检测框架,用于结构受损的螺丝.
  • 为了在不均的照明下实现精确的螺丝检测,用于重制.
  • 通过改进自动化,提高再制造的经济可行性.

主要方法:

  • 一个两阶段的检测框架,利用反射和纹理特征.
  • 一个线性回归模型的反射特征来处理不均的照明.
  • 一个自我优化策略和加权的融合,以实现强大的检测.

主要成果:

  • 该框架在复杂的场景中成功检测出结构损坏的螺丝.
  • 该方法在不均的照明条件下显示出有效性.
  • 在一个用于拆卸电动汽车电池的机器人平台上成功实施.

结论:

  • 开发的框架允许在复杂的拆卸任务中自动拆除螺丝.
  • 使用反射功能和数据学习为自动拆卸提供了新的方法.
  • 这项研究有助于更具经济吸引力的重制工艺.