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相关实验视频

Updated: Sep 13, 2025

Writing Bragg Gratings in Multicore Fibers
08:48

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

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快速而准确的形状感应方法使用多核纤维布拉格格光纤基于光纤的光纤.

Georgios Violakis1, Nikolaos Vardakis1, Zhenyu Zhang2

  • 1School of Electrical and Computer Engineering, Hellenic Mediterranean University, Estavromenos, 71410 Heraklion, Greece.

Sensors (Basel, Switzerland)
|July 30, 2025
PubMed
概括
此摘要是机器生成的。

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本研究介绍了一种高效的方法,用于使用纤维布拉格格 (FBG) 传感器重建曲光纤的3D形状. 该技术实现了毫米以下的精度,可以在没有复杂的计算的情况下实时跟踪位置.

科学领域:

  • 光电学和光子学的光电子学和光子学.
  • 传感器技术 传感器技术
  • 机器人和控制系统 机器人和控制系统

背景情况:

  • 形状感应光纤对于灵活的导航和变形监测至关重要.
  • 多核纤维布拉格格 (FBG) 传感器为形状重建提供了一个紧而坚固的平台.

研究的目的:

  • 开发一种计算效率高的方法来确定曲的多核FBG光纤的3D尖端位置.
  • 为了实现实时形状估计,使用一种新的多项式近似方法.

主要方法:

  • 采用了纤维形状的二次多项式近似.
  • 校准涉及将多项式系数与已知的曲线相匹配,并将它们作为使用指数衰减的曲率函数建模.
  • 实时估计仅依赖于曲率测量,避免代解决方案.

主要成果:

  • 该方法在4.5毫米位移范围内实现了亚毫米精度 (<0.1毫米).
  • 验证使用小型化测试结构进行.
  • 该方法表现出高精度和计算效率.

结论:

  • 拟议的方法为3D光纤尖端位置的确定提供了一个简单而准确的解决方案.
关键词:
多核光纤是多核的光纤.有光纤的光学纤维.形状重建重建的重建.形状感应 形状感应 感应

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  • 其效率使其适合嵌入式或边缘计算应用.
  • 潜在的应用包括局限导航,结构检查和医疗机器人.