Communications - Scientific Letters of the University of Zilina 2023, 25(2):B77-B85 | DOI: 10.26552/com.C.2023.023

Stability of the Two-Link Metrobus

Volodymyr Sakhno ORCID...1, Viktor Polyakov ORCID...1, Igor Murovany ORCID...3, Svitlana Sharai ORCID...2, Oleg Lyashuk ORCID...4, *, Uliana Plekan ORCID...4, Oleg Tson ORCID...4, Mariana Sokol ORCID...5
1 Department of Automobiles, National Transport University, Kyiv, Ukraine
2 Department of International Transportation and Customs Control, National Transport University, Kyiv, Ukraine
3 Department of Automobiles and Transport Technologies, Lutsk National Technical University, Lutsk, Ukraine
4 Department of Automobiles, Ternopil Ivan Puluj National Technical University, Ternopil, Ukraine
5 Department of Foreign Languages, Ternopil Volodymyr Hnatyuk National Pedagogical University, Ternopil, Ukraine

It has been shown that a perspective type of passenger transport is a metro bus, which can be both two- and three-link. Mathematical model of an autotrain has been developed for a two-link metrobus with both an uncontrolled and a controlled trailer, with the help of which it is established that the speed of the metro bus is 10 m/s, the angular speed of links racking, lateral acceleration, the angles of axle wheels' diversion while manoeuvring of "steering wheel jerk" "Shift" and "turn" have a fading nature of oscillation, which ensures the stability of its motion. At the same time, the value of lateral accelerations in the center of masses of metrobus separate links with an uncontrolled trailer at a speed of 15 m/s, while performing various manoeuvres do not exceed 0.45 g, according to this characteristics, such metrobus is stable, instead of a metrobus with a controlled trailer, which at this speed loses its stability. This should be considered when developing the advanced two-link metrobus of increased overall length (24 m).

Keywords: metrobus, trailer, controlling wheel module, angular velocity, lateral acceleration, uncontrolled and controlled autotrain trailer
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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 30, 2022; Accepted: November 25, 2022; Prepublished online: February 2, 2023; Published: April 6, 2023  Show citation

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Sakhno, V., Polyakov, V., Murovany, I., Sharai, S., Lyashuk, O., Plekan, U., Tson, O., & Sokol, M. (2023). Stability of the Two-Link Metrobus. Communications - Scientific Letters of the University of Zilina, 25(2), B77-85. doi: 10.26552/com.C.2023.023
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