A novel system developed based on image processing techniques for dynamical measurement of tire-surface contact area

被引：18

作者：

Derafshpour, Sajjad ^{[1
]}

Valizadeh, Morteza ^{[2
]}

Mardani, Aref ^{[1
]}

Saray, Masoud Tamaddoni ^{[1
]}

机构：

[1] Urmia Univ, Dept Mech Engn Biosyst, Orumiyeh, Iran

[2] Urmia Univ, Dept Elect & Comp Engn, Orumiyeh, Iran

来源：

MEASUREMENT | 2019年 / 139卷

关键词：

Contact area; Dynamic contact pressure; Image processing; Soil bin; Metal box; SOIL COMPACTION; PRESSURE; TYRE; PERFORMANCE; PREDICTION; TRACTION; STRESS;

D O I：

10.1016/j.measurement.2019.02.074

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Contact area is an important criterion to evaluate road and off-road vehicles performance. Previous researches have measured and investigated the static aspect of the contact area. In this research, a novel system is presented to dynamically measure this criterion. A metal box with a glass surface is employed and a white liquid is poured on the glass. A digital camera is also placed under the box, which captures a video when the tire passes over it. Frames of the video are segmented into 'touching' and 'non-touching' regions by using appropriate pre-processing, thresholding, and post-processing techniques. The area of touching regions is automatically measured. Experiments revealed that the proposed system is a precision instrument for real-time measurement of the dynamic contact area. (C) 2019 Elsevier Ltd. All rights reserved.

引用

页码：270 / 276

页数：7

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