基于磨痕检测的润滑油抗磨性能测定方法

肖梅; 张雷; 韩光; 杨京帅; 刘龙

基于磨痕检测的润滑油抗磨性能测定方法

肖梅^1,,
张雷¹,
韩光¹,
杨京帅¹,
刘龙²

1.
长安大学汽车学院, 陕西西安 710064
2.
西安理工大学自动化与信息工程学院, 陕西西安 710048

基金项目:

国家自然科学基金项目 51108040

详细信息

作者简介:
肖梅(1977-), 女, 江西安福人, 长安大学副教授, 工学博士, 从事图像处理与信息融合研究

中图分类号: U467.4
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- 被引次数: 0
出版历程
- 收稿日期: 2014-02-23
- 刊出日期: 2014-06-25

Antiwear property measuring method of lubricant based on wear scar detection

1.
School of Automobile, Chang'an University, Xi'an 710064, Shaanxi, China
2.
School of Automation and Information Engineering, Xi'an University of Technology, Xi'an 710048, Shaanxi, China

More Information

Author Bio:
XIAO Mei (1977-), female, associate professor, PhD, +86-29-82334425, xiaomei@chd.edu.cn

摘要

摘要: 为了测定润滑油的抗磨性能, 基于梯度信息提出了一种钢球磨痕直径测定方法。利用钢球磨痕区域具有丰富、同方向磨痕的特点, 采用四方向梯度模板提取磨痕纹理梯度图像。对磨痕纹理梯度图像进行二值化、闭运算、去零星和填补空洞等处理, 自动分割出钢球的磨痕区域。通过计算钢球磨痕区域的面积, 求取磨痕的等效直径, 根据测定的磨痕直径快速测量润滑油的抗磨性能。对磨痕检测结果进行了定性和定量试验, 并对本文方法和显微镜测定方法进行对比。试验结果表明: 利用本文方法提取的磨痕区域完整, 边缘清晰, 显微镜测定方法的平均测量误差为4.015%, 本文方法的平均测量误差为0.073%, 测量精度高。
- 润滑油 /
- 抗磨性能 /
- 图像分割 /
- 磨痕检测 /
- 直径测定 /
- 梯度 /
- 四球试验
Abstract: In order to measure the antiwear property of lubricant, a measuring method of steel ball wear scare diameter was presented based on gradient information.Because of steel ball wear scar region had rich and same direction wear scars, the texture gradient images of wear scar were extracted by using four direction gradient template.The steel ball wear scare region was automatically separated from the wear scar texture gradient image by the processings of binary, close operation, removing sporadic regions and filling holes.The equivalent diameter of wear scar region was obtained by using the calculated wear scar region area of steel ball.The antiwear properties of lubricant were fast measured through the calculated wear scar diameter.Qualitative and quantitative tests were carried out to the wear scar detection result, and the result was also compared with the traditional microscope measurement result.Analysis result indicates that the wear scar area of extraction method is complete and the edges are clear.The average error of traditional microscope measurement method is 4.015%, the average error of extraction method is 0.073%, so the extraction method has high measurement accuracy.
- lubricant /
- antiwear property /
- image segmentation /
- wear scar detection /
- diameter measurement /
- gradient /
- four-ball test

HTML全文

图 1 四方向梯度算子模板

Figure 1. Gradient operator templates of four directions

下载: 全尺寸图片幻灯片

图 2 计算结果

Figure 2. Calculation result

下载: 全尺寸图片幻灯片

图 3 钢球磨痕检测结果

Figure 3. Detection results of wear scares of steel balls

下载: 全尺寸图片幻灯片

表 1 不同方法的评估结果

Table 1. Evaluation results of different methods

下载: 导出CSV

参考文献(15)

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