Analysis of Tire Contact Parameters Using Visual Processing

Ivanov, Valentin

This paper discusses the application of noncontact methods to analyze the tire-surface contact interaction. This approach uses the tire test bench with the set of contact patch monitoring based on image processing procedures. The first part of this paper presents the results of experimental estimation of the contact patch area depending on the normal wheel load and inflation pressure for different car tires. The data were obtained for test bench conditions on the basis of the visual processing of tread footprint. Further, the contact length in the cohesion area during wheel rolling for single points on the tire profile has been chosen as a benchmark criterion. This paper has analyzed the influence of the wheel normal load and tire inflation pressure on the contact length with small rolling velocities. The results of the investigations are given for winter and racing tires with different grades of wear.

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Ivanov, Valentin: Analysis of Tire Contact Parameters Using Visual Processing. 2010.

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