Communications - Scientific Letters of the University of Zilina 2023, 25(2):B95-B102 | DOI: 10.26552/com.C.2023.027

Methodology for Maintaining the Dynamic Characteristics of Passenger Cars

Igor Martynov ORCID...1, Juraj Gerlici ORCID...2, Alyona Trufanova ORCID...1, Vadim Shovkun ORCID...1, Vadim Petukhov ORCID...1, Oleksandr Safronov ORCID...3, Kateryna Kravchenko ORCID...2, *
1 Ukrainian State University of Railway Transport, Kharkiv, Ukraine
2 University of Zilina, Zilina, Slovak Republic
3 State Enterprise Ukrainian Scientific Railway Car Building Research Institute, Kremenchuk, Ukraine

The work presents the results of a statistical analysis of random processes of the coefficient of vertical dynamics of a passenger car variation. To determine the dynamic performance of cars the tests were running on the tracks of JSC "Ukrzaliznytsia". The main statistical characteristics of random processes are determined for various modes of car movement along curved and straight sections of the track. As a result of statistical processing of experimental data, correlation functions have been constructed that characterize the degree of connection between different time sections of the process of changing the coefficient of vertical dynamics. The obtained indicators of the law of distribution of the vertical dynamics coefficient values, approximating the models of correlation functions and the numerical values of their parameters, make it possible to further simulate the process of loading a passenger car without carrying out lengthy expensive tests.

Keywords: passenger car, track section, vertical dynamics coefficient, correlation function
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The authors received no financial support for the research, authorship and/or publication of this article.

Conflicts of interest:

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Received: October 18, 2022; Accepted: December 22, 2022; Prepublished online: February 9, 2023; Published: April 6, 2023  Show citation

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Martynov, I., Gerlici, J., Trufanova, A., Shovkun, V., Petukhov, V., Safronov, O., & Kravchenko, K. (2023). Methodology for Maintaining the Dynamic Characteristics of Passenger Cars. Communications - Scientific Letters of the University of Zilina, 25(2), B95-102. doi: 10.26552/com.C.2023.027
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