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相关概念视频

Distance Measurements by Taping01:18

Distance Measurements by Taping

448
Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...
448
Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

508
Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over...
508
Design Example: Measuring Distance Between Two Points with Obstructions01:10

Design Example: Measuring Distance Between Two Points with Obstructions

398
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...
398
Distance Problem01:29

Distance Problem

64
When an object's velocity changes over time, the total distance traveled can be determined by summing small displacement intervals over short increments. This approach approximates the true distance through numerical summation and the use of integral calculus. An estimate of the total displacement can be obtained by measuring velocity at regular intervals and multiplying each value by the corresponding time step.If a runner accelerates over the first three seconds of a race, speed measurements...
64
The Distance Formula01:20

The Distance Formula

644
In geometry, measuring the direct distance between two points on a plane is essential in various practical and theoretical applications. Whether in navigation, engineering, or computer graphics, determining the shortest path between two locations involves using the distance formula. This formula is derived from the Pythagorean Theorem, which relates the lengths of the sides of a right triangle. On a coordinate plane, the horizontal and vertical distances between two points serve as the legs of...
644
Distance Corrections01:15

Distance Corrections

282
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
282

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相关实验视频

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Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications
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基于人工神经网络的传输物体测量自动化系统使用距离传感器.

Hyo Beom Heo1, Seung Hwan Park1

  • 1Department of Mechanical Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea.

Sensors (Basel, Switzerland)
|January 28, 2026
PubMed
概括

这项研究引入了一个框架,用于使用单一,负担得起的距离传感器进行准确的物流测量. 该方法确保可靠的长度和宽度估计,尽管不同的条件,克服昂贵的3D扫描仪的局限性.

科学领域:

  • 工业工程 工业工程 工业工程
  • 自动化和控制系统自动化和控制系统
  • 在物流领域的人工智能

背景情况:

  • 测量技术对于物流运营至关重要,例如缺陷检查和装载优化.
  • 第四次工业革命推动了使用人工智能,物联网和先进传感器的测量自动化研究.
  • 3D扫描仪的高成本和入门级传感器的可靠性问题阻碍了物流领域的广泛采用.

研究的目的:

  • 开发一个系统的框架,使用单一的,低成本的距离传感器进行可靠的几何测量.
  • 为了在物流环境中准确估计物体的长度和宽度.
  • 为了弥合高性能,昂贵的测量系统和不可靠的入门级传感器之间的差距.

主要方法:

  • 设计和建造了一个输送带数据采集装置,模拟现实的物流传输场景.
  • 在系统变化的传输条件下收集的测量数据,以捕捉环境干扰.
  • 采用强大的特征提取用于噪音,条件依赖的信号,并训练了一个人工神经网络 (ANN) 用于维度估计.

主要成果:

  • 拟议的框架成功地将传感器观测结果映射到几何维度 (长度和宽度).
  • 通过使用测试数据,ANN模型在估计物体尺寸方面展示了可靠的性能.
  • 实验结果证实了该方法的稳定性,即使在多样化和具有挑战性的转移条件下.
关键词:
人工神经网络 (ANN) 是一个人工神经网络.这是入门级的距离传感器.几何测量测量的几何学.线性脊线回归 (LSR) 是一种线性脊线回归.

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结论:

  • 一个具有成本效益和可靠的解决方案,用于物流中的几何测量已被证明.
  • 拟议的框架显著提高了工业应用的入门级距离传感器的可用性.
  • 这种方法为物流部门昂贵的测量技术提供了切实可行的替代方案.