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相关概念视频

Design Example: Measuring Distance Between Two Points with Obstructions01:10

Design Example: Measuring Distance Between Two Points with Obstructions

32
When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...
32

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相关实验视频

Updated: Jun 23, 2025

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
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一个光学传感器用于测量平行表面之间的位移.

Suhana Jamil Ahamed1,2, Michael McGeehan1, Keat Ghee Ong1

  • 1Department of Bioengineering, Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR 97403, USA.

Sensors (Basel, Switzerland)
|June 19, 2024
PubMed
概括
此摘要是机器生成的。

一个新的光电子传感器使用反射光强度准确地测量了平面内移位. 这项技术可以在可穿戴设备 (如假肢和鞋类) 中可靠地检测滑动.

关键词:
移位移位移位移位移位移位移位鞋类 鞋类 鞋类 鞋类 鞋类这是一个光学传感器.整形矯正器 整形矯正器假肢是一种假肢.剪刀剪刀的使用方法

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相关实验视频

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科学领域:

  • 光电学是指光电子产品.
  • 传感器技术 传感器技术
  • 可穿戴设备 可穿戴设备

背景情况:

  • 在平面内移位测量对于可穿戴设备的性能至关重要.
  • 现有的方法可能缺乏实时监控的准确性或实用性.
  • 在整形器械,假肢和鞋类中量化滑动对于适当的适应和功能至关重要.

研究的目的:

  • 开发和验证一种光电子传感器,用于测量飞机内移位.
  • 评估传感器在预测位移大小和方向方面的准确性和可靠性.
  • 探索传感器在可穿戴设备的灵活层中的滑动检测中的应用.

主要方法:

  • 设计了一个光电子传感器,使用光探测器和颜色网格.
  • 传感器的测量反映了红色 (R),绿色 (G),蓝色 (B) 和清晰的 (C) 光谱.
  • 一个多项式回归算法将光强度变化转换为平面内位移预测.

主要成果:

  • 传感器在位移预测方面表现出高精度 (R2 > 0.97).
  • 实现了低误差率,根平均平方误差 (RMSE) <0.3毫米,平均绝对误差 (MAE) <0.36毫米.
  • 验证了传感器在柔性材料中测量剪切的能力.

结论:

  • 开发的光电子传感器提供了准确的平面内位移测量.
  • 这项技术为可穿戴设备的滑动检测提供了可行的解决方案.
  • 潜在的应用包括提高整形器械,假肢和鞋类的适应性和有效性.