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相关概念视频

One-Degree-of-Freedom System01:24

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In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
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关于使用双摄像头的高精度对齐系统的研究.

Chao-Chung Liu1, Chih-Chiang Fang1, Chao-Shu Liu2

  • 1School of Computer Science and Software, Zhaoqing University, Zhaoqing, China.

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科学领域:

  • 工程 工程师 工程师 工程师
  • 计算机科学 计算机科学
  • 机器人技术 机器人技术 机器人技术

背景情况:

  • 传统的手动对齐方法耗时且缺乏精度.
  • 自动光学检查和机器视觉提供了提高对齐精度的潜力.
  • 开发强大的控制系统对于高精度的自动化任务至关重要.

研究的目的:

  • 开发一个自动高精度对齐系统,集成自动光学检查和机器视觉.
  • 实施基于图像的定位和控制系统,用于带有双摄像头的精密对齐平台.
  • 为了比较多重变形设计方案 (MDDS) 与比例整合导数 (PID) 控制方法的性能.

主要方法:

  • 使用图像处理技术,包括模板匹配,边缘检测,数学形态和霍夫转换.
  • 在XXY平台上使用双摄像头开发了基于图像的定位和控制系统.
  • 在FPGA平台上实施和比较比例整数导数 (PID) 控制和多重变形设计方案 (MDDS).

主要成果:

  • 多重变形设计方案 (MDDS) 与PID相比表现出更高的性能,显示出更高的精度,轨迹跟踪和控制稳定性.
  • 图像处理系统在目标切换方面实现了高精度和灵活性.
  • 集成系统成功模拟了生产线的高精度自动化.

结论:

  • 开发的自动高精度对齐系统有效地取代了手动方法,在准确性和稳定性方面取得了显著的改进.
  • 对于精确对齐任务,MDDS控制是一个比PID更有效的策略.
  • 该系统对工业应用具有很高的潜力,需要精确对齐和自动控制.