Research Article Open Access

ADHESION PROPERTIES OF STUDDED TIRES STUDY

Abstract

The paper proposes a method for determining the longitudinal coefficient of adhesion of a studded tire on road surface, depending on the relative slip of the wheel (the φ-S diagram). The method for determining the coefficient is based on the analysis of vehicle deceleration and the relative slip of its braking wheels. The advantages and disadvantages of the developed method are indicated. Tests of the adhesion properties on ice of winter studded and non-studded tires were carried out according to the developed method. The tests were a series of braking the car Ford Focus with rear axle brakes. A set of measuring and recording equipment necessary for testing is described, and the test results are shown. The displacement of the φ-S diagram maximum of the studded tire to the area of large relative slip is determined. It was suggested that the effectiveness of electronic active safety systems can be reduced when the tire tread is studded.

ANDREY MIKHAILOVICH IVANOV, VITALIY VALENTINOVICH GAEVSKIY, SERGEY ROBERTOVICH KRISTALNIY, NIKOLAY VIKTOROVICH POPOV, SERGEY SERGEEVICH SHADRIN AND VLADIMIR ALEKSANDROVICH FOMICHEV

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