Determination of tangential properties of a single pneumatic tire in the vehicle braking mode of a vehicle

Authors

DOI:

https://doi.org/10.30977/VEIT.2021.19.0.28

Keywords:

Brake control, brake system, twisting angle, active safety, vehicle slip

Abstract

Problem. In the event of circumstances that may cause a traffic accident (accident), drivers apply emergency braking, which usually leads to the blocking of car wheels and the formation on the road surface of track information from pneumatic tires. If automated brake force control systems are installed in the brake actuator of the vehicle, the tracking information from the pneumatic tires may be absent or weak, and the braking efficiency of the wheeled vehicle will depend on the angular deformation of the tire relative to the road surface, which in turn is limited. coupling properties in the contact spot "tire-road surface". Goal. The aim of the work is to improve the method of determining the angle of twist of the pneumatic tire of a single car wheel in the mode of its braking by taking into account the effects of the coefficient of friction-sliding on roads with high traction. Methodology the peculiarities of twisting the pneumatic tire of a car wheel with a single busbar in the mode of vehicle braking on roads with low and high coefficient of friction - sliding are considered. The analysis of the model of dynamic change of the tire twist angle depending on the sliding of the tire tread elements in the spot of contact with the road surface is performed, and the results of simulation modeling are obtained, which are confirmed by experimental experiments. Originality. An empirical dependence is proposed, which takes into account the nature of the decrease in the value of the angle of twist of the tire on roads with high traction properties. Practical value. The obtained results of simulation modeling according to the proposed dependence determine that the highest indicators of torsional rigidity of the pneumatic tire are reached at a tire pressure of 0.8 MPa and a vertical load on it of about 2.6 104 N.

Author Biographies

Valeriy Klimenko, Kharkov National Automobile and Highway University, 25, Yaroslava Mudrogo str., Kharkiv, 61002, Ukraine.

professor, Doct of Technical Sciences, Associate Professor of the Departament of Automobiles named after A.B. Gredeskul

Denis Kapski , Belarussian National Technical University, 65, Nezavisimosti Avenue, Minsk, 220013, Belarus

Candidate of Technical Sciences, Automotive and Tractor Faculty

Dmytro Leontiev, Kharkiv National Automobile and Highway University, 25, Yaroslava Mudrogo str., Kharkiv, 61002, Ukraine.

Candidate of Technical Sciences, Associate Professor of the Departament of Automobiles named after A.B. Gredeskul

Oleksandr Kuripka, Kharkiv National Automobile and Highway University, 25, Yaroslava Mudrogo str., Kharkiv, 61002, Ukraine.

PhD student

Andrii Frolov, Kharkiv National Automobile and Highway University, 25, Yaroslava Mudrogo str., Kharkiv, 61002, Ukraine.

PhD student

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Published

2021-05-01

How to Cite

Klimenko, V., Kapski , D., Leontiev, D., Kuripka, O., & Frolov, A. (2021). Determination of tangential properties of a single pneumatic tire in the vehicle braking mode of a vehicle . Vehicle and Electronics. Innovative Technologies, (19), 28–34. https://doi.org/10.30977/VEIT.2021.19.0.28

Issue

Section

WAYS TO IMPROVE THE ECONOMIC AND ENVIRONMENTAL ENVIRONMENTAL INDICATORS OF MOTOR VEHICLES. ENERGY SAVING TECHNOLOGIES