Communications - Scientific Letters of the University of Zilina 2023, 25(1):B52-B61 | DOI: 10.26552/com.C.2023.019

Influence of the Technical Condition of the Running System of Articulated Buses on Stability of Their Straight-Line Motion

Volodymyr Sakhno ORCID...1, Victor Polyakov ORCID...1, Igor Murovanyi ORCID...2, Oleksii Timkov ORCID...1, Liudmyla Mialkovska ORCID...2, Pavlo Popovych ORCID...3, *, Liubomyr Poberezhnyi ORCID...4
1 National Transport University, Kyiv, Ukraine
2 Lutsk National Technical University, Lutsk, Ukraine
3 West Ukrainian National University, Ternopil, Ukraine
4 Helmut Schmidt University / University of the Federal Armed Forces, Hamburg, Germany

Among the most important operational properties of articulated buses, ensuring their safety, it is necessary to note the course stability of traffic (CST), as often the loss of CST of a vehicle is accompanied by an accident. The parameters of the CST of a road train are closely related to the design of the running gear, in particular to the skew of the bus and trailer axles. The critical speed of rectilinear traffic was determined for different states of the articulated buses running system, which, in the absence of a bridge skew, was 32.1 m/s (116.6 km/h). The movement of the SSA is asymptotically stable. Under the action of perturbation, the stabilization time for lateral velocity is about 1 s and it increases to 2 s for the folding angle, but the amplitude of the backscatter of this angle is 10 times less than the initial perturbation, which indicates a stable asymptotic law of its change at small amplitude.

Keywords: critical speed, lateral velocity, transition process, skew of the bridge, articulated buses
Grants and funding:

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 10, 2022; Accepted: January 10, 2023; Prepublished online: January 19, 2023; Published: January 25, 2023  Show citation

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Sakhno, V., Polyakov, V., Murovanyi, I., Timkov, O., Mialkovska, L., Popovych, P., & Poberezhnyi, L. (2023). Influence of the Technical Condition of the Running System of Articulated Buses on Stability of Their Straight-Line Motion. Communications - Scientific Letters of the University of Zilina, 25(1), B52-61. doi: 10.26552/com.C.2023.019
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