基于LabVIEW的塑料齿轮缺齿检测系统设计Design of tooth missing detection system for plastic gears based on LabVIEW
任楷飞,孟令军,顾泽凌
摘要(Abstract)：
针对塑料齿轮在生产过程中存在缺陷,而人工检测效率与准确性低。为了满足检测要求,设计基于LabVIEW的塑料齿轮缺齿检测系统。首先进行图像采集及预处理,预处理包括彩色图像灰度化、中值滤波、阈值化、Canny边缘检测等;然后通过几何匹配算法提取齿轮的几何信息,学习并保存模板信息,再调用模板进行匹配计算得到结果。分数和模板目标曲线分数是判断齿轮缺陷的主要依据参数,选用不同缺齿程度的塑料齿轮进行实验发现,缺齿程度越大,对应的匹配分数越低。实验结果表明,该系统可以实现齿轮缺齿检测的功能,为缺陷检测提供新的思路。
关键词(KeyWords)： LabVIEW;机器视觉;几何匹配;塑料齿轮;缺齿检测;Canny边缘检测
基金项目(Foundation): 国家自然科学基金项目(61774138)~~
作者(Author): 任楷飞,孟令军,顾泽凌
DOI: 10.16652/j.issn.1004-373x.2018.04.022
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