基于机器视觉的HXD型机车受电弓滑板缺陷的检测研究On Defect Detection of Pantograph Slide of HXD Locomotive Based on Machine Vision
金光,杨培义
摘要(Abstract):
针对传统HXD型机车受电弓滑板缺陷检测方法存在检测时间长、检测精度低、检测结果不准确的问题,提出基于机器视觉的HXD型机车受电弓滑板缺陷检测方法.采用差异性的融合跟踪识别方法对HXD型机车受电弓滑板缺陷图像进行采集,根据采集结果,构建HXD型机车受电弓滑板缺陷红外成像模型,采用超声成像方法进行HXD型机车受电弓滑板缺陷的边缘轮廓检测,在此基础上,采用多重分形技术进行HXD型机车受电弓滑板缺陷视觉重构,根据空间区域重构结果对HXD型机车受电弓滑板缺陷特征进行提取,采用VR虚拟现实重构方法,进行HXD型机车受电弓滑板缺陷检测.仿真结果表明,所提方法进行HXD型机车受电弓滑板缺陷检测的精度较高,检测结果准确,且缩短了检测时间,提高了HXD型机车受电弓滑板缺陷主动定位检测能力.
关键词(KeyWords): 机器视觉;HXD型机车受电弓滑板;缺陷;检测;图像
基金项目(Foundation): 2018年河南省高等学校青年骨干教师基金项目(2018GGJS232)
作者(Author): 金光,杨培义
DOI: 10.16393/j.cnki.37-1436/z.2020.02.006
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