一种新的轮胎印痕测量及压力分布数据处理方案

中国机械工程 ›› 2012, Vol. 23 ›› Issue (9): 1128-1133.

• 车辆工程 • 上一篇

一种新的轮胎印痕测量及压力分布数据处理方案

刘宁;卢荣胜

合肥工业大学，合肥，230009

出版日期:2012-05-10 发布日期:2012-05-15
基金资助:
国家自然科学基金资助项目（50875074）；国家高技术研究发展计划(863计划)资助项目（2009AA04Z114）
National Natural Science Foundation of China（No. 50875074）;
National High-tech R&D Program of China (863 Program) （No. 2009AA04Z114）

A Novel Method for Tire Footprint Pattern Measurement and Pressure Distribution Data Analysis

Liu Ning;Lu Rongsheng

Hefei University of Technology,Hefei,230009

Online:2012-05-10 Published:2012-05-15
Supported by:

National Natural Science Foundation of China（No. 50875074）;
National High-tech R&D Program of China (863 Program) （No. 2009AA04Z114）

摘要/Abstract

摘要：

介绍了一种基于压阻阵列成像方法的轮胎外圈表面花纹磨损检测技术，该技术通过检测轮胎在特定载荷下印痕的变化来估计轮胎的质量与使用寿命。在介绍测量原理的基础上，重点介绍了印痕图像处理技术与评价方法，针对轮胎花纹与地面接触产生的印痕图像确定边界与接触面积，研究了一种基于圆模板滚边的方法来获取图像外包络线的算法。研究表明该方法能有效处理凸壳与非凸壳图形，自动获取带凹槽图形的外包络区域，具有较好的鲁棒性和较高的精度。


关键词: 轮胎印痕图案, 压力分布测量, 影像处理, 包络线提取

Abstract:

The paper presented a technology for inspecting tread wear of tire outer surfaces. Piezoresistive matrix imaging approach was used to measure the transformations of tire footprint patterns under different and specific loads in the aim of finally estimating tire quality and life. On the basis of measurement principle introduction, the paper focused on the illumination of footprint image pattern processing technology and evaluation method. In order to solve the problem of image border determination of contacted footprint pattern between tire tread and ground in addition to the contact area calculation, a circle template rolling method was proposed to extract envelope curve of image pattern. The results show both the convex and the concave patterns can be processed effectively. The outer envelope boundary with indentations is acquired automatically. This method is also proved to be of robustness and high accuracy.

Key words: tire footprint pattern, pressure distribution measurement, image processing, envelope curve extraction

中图分类号:

TP391

刘宁, 卢荣胜. 一种新的轮胎印痕测量及压力分布数据处理方案[J]. 中国机械工程, 2012, 23(9): 1128-1133.

LIU Ning, LEI Rong-Qing. A Novel Method for Tire Footprint Pattern Measurement and Pressure Distribution Data Analysis[J]. China Mechanical Engineering, 2012, 23(9): 1128-1133.

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一种新的轮胎印痕测量及压力分布数据处理方案

A Novel Method for Tire Footprint Pattern Measurement and Pressure Distribution Data Analysis

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