Istrazivanja i projektovanja za privreduJournal of Applied Engineering Science


DOI: 10.5937/jaes0-32961 
This is an open access article distributed under the CC BY 4.0
Creative Commons License

Volume 20 article 962 pages: 562-570

Milena Žunjić*
University of Belgrade, Faculty of Mechanical Engineering

Miroslav Demić
Academy of Engineering Sciences of Serbia, Belgrade

Branislav Rakićević
University of Belgrade, Faculty of Mechanical Engineering

Branislav Đorđević
University of Belgrade, Faculty of Mechanical Engineering

Tire models are widely used in research in the field of vehicle dynamics and noise, and especially in the simulation of their movement under the action of forces and moments. In general case, we distinguish theoretical models defined on the basis of tire construction and empirical or semi-empirical models based on experimental tests. In addition, a combination of these two types of models can also produce tire models. In practice, there is a very wide range of mathematical tire models defined using finite element analysis, by approximation of polynomials of different degrees, by approximation of magic formula, etc. In this paper, an attempt is made to calculate non-stationary lateral characteristics of tires on the basis of experimental stationary lateral characteristics, using two-parameter higher level polynomials. This polynomials define the tire lateral characteristics, and take into account their non-uniformity. More specifically, the lateral characteristics are approximated as a function of the dynamic change of the slip angle, radial load due to tire non-uniformity and time.

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The research presented in this paper is funded by the Ministry of Education, Science and Technological Development of the Republic of Serbia under agreement No. 451-03-9/2021-14/200105 dated 5.2.2021.

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