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计量学报  2020, Vol. 41 Issue (6): 724-728    DOI: 10.3969/j.issn.1000-1158.2020.06.15
  力学计量 本期目录 | 过刊浏览 | 高级检索 |
基于图像处理的带式输送机煤体积计量
王桂梅,逯圣辉,刘杰辉,杨立洁
河北工程大学 机械与装备工程学院, 河北 邯郸 056038
Coal Volume Measurement of Belt Conveyor Based on Image Processing
WANG Gui-mei,LU Sheng-hui,LIU Jie-hui,YANG Li-jie
Mechanical and Equipment Engineering College, Hebei University of Engineering, Handan, Hebei 056038, China
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摘要 对基于激光斜射法三角测距原理的带式输送机上煤流体积实时计量进行了研究。首先对工业相机采集到的激光线进行图像处理以获取煤流截面,根据煤流表面激光线特点提出了一种能够大幅度降低搜索区域的激光线细化算法,并采用线性插值对断线进行连接,通过合成上下轮廓线形成完整煤截面;然后建立了动态煤体积计量模型,通过积分得到煤流体积。最后进行了实验,单帧图像的采集处理时间平均约为0.152s,且算法稳定性较好,能够满足实际工况要求。
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王桂梅
逯圣辉
刘杰辉
杨立洁
关键词 计量学煤流体积三角测距激光斜射法图像处理激光线细化    
Abstract:Real-time measurement of coal fluid volume on belt conveyor based on laser oblique shooting triangular ranging principle was studied. Firstly, image processing of laser lines collected by industrial cameras was carried out to obtain coal flow cross section. According to the characteristics of laser lines on coal flow surface, a laser line thinning algorithm which can greatly reduce the searching area was proposed. It was superior to the similar algorithms in running time and thinning effect. Linear interpolation was used to connect the broken lines and form a complete coal cross section by synthesizing the upper and lower contours. After that, a dynamic coal volume measurement model was established, and coal fluid volume was obtained by integration. Finally, experiments were carried out. The average time of acquisition and processing of single frame image was about 0.152 s, and the algorithm had good stability, which could meet the requirements of actual working conditions.
Key wordsmetrology    coal fluid volume    triangulation range    laser oblique shooting    image processing    laser line thinning
收稿日期: 2019-05-10      发布日期: 2020-06-08
PACS:  TB938.1  
基金资助:河北省自然科学基金(E2019402436)
通讯作者: 逯圣辉(1994-),河北邯郸人,河北工程大学在读硕士研究生,研究方向为机器视觉和带式输送系统调速运行。Email:1312370757@qq.com     E-mail: 1312370757@qq.com
作者简介: 王桂梅(1962-),河南安阳人,河北工程大学教授,主要从事机电控制方面的研究。Email:guimeiwang@hebeu.edu.cn
引用本文:   
王桂梅,逯圣辉,刘杰辉,杨立洁. 基于图像处理的带式输送机煤体积计量[J]. 计量学报, 2020, 41(6): 724-728.
WANG Gui-mei,LU Sheng-hui,LIU Jie-hui,YANG Li-jie. Coal Volume Measurement of Belt Conveyor Based on Image Processing. Acta Metrologica Sinica, 2020, 41(6): 724-728.
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