Cylinder Diameter Measurement for Rail Tankers Using 3D Laser Scanning Technology

IEEE International Conference on Robotics and Automation : ICRA : [proceedings]. IEEE International Conference on Robotics and Automation Pub Date : 2020-06-01 DOI:10.1109/ICRAS49812.2020.9134924

Qi Chao, Shao Xuejun, Pan Qing, Wu Huijie

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Abstract

Rail tankers are the main tools of transport for liquid goods and represent a measuring instrument for trade settlement. The cylinder diameter of rail tankers must be measured for process quality control and to calculate the volume. In this paper, an automated system for non-tactile diameter measurements is presented. This study aims to improve the working efficiency and reduce the artificial labor intensity of such measurements. Therefore, a 3D laser scanner is selected and combined with a computing system. The scanner collects many points along with the coordinate information, and these points constitute the point cloud and accurately reflect the tanker shape. Then, the computing system processes the point cloud by establishing a digital model, calculating the fitting initial values, fitting the curved surface, etc., and it then displays the diameter value in a 3D diagram. To verify the performance of this method, the results are compared with those of the artificial method.

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利用三维激光扫描技术测量铁路罐车气缸直径

铁路罐车是运输液体货物的主要工具，是贸易结算的计量工具。轨道罐车的缸径测量是过程质量控制和容积计算的必要条件。本文介绍了一种非接触式直径自动测量系统。本研究旨在提高此类测量的工作效率，降低人工劳动强度。因此，选择了三维激光扫描仪并与计算系统相结合。扫描仪收集了许多点以及坐标信息，这些点构成点云，准确地反映了油轮的形状。然后，计算系统通过建立数字模型、计算拟合初值、拟合曲面等方式对点云进行处理，并将直径值以三维图的形式显示出来。为了验证该方法的性能，将结果与人工方法进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE International Conference on Robotics and Automation : ICRA : [proceedings]. IEEE International Conference on Robotics and Automation

CiteScore

6.80

自引率

0.00%

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