Communications - Scientific Letters of the University of Zilina 2022, 24(3):D116-D125 | DOI: 10.26552/com.C.2022.3.D116-D125

The Comparison of Dynamic Effects Acting in the Common Crossing and Switch Unit of a Turnout

Jaroslav Smutný ORCID..., Dušan Janoštík*, Viktor Nohál
Institute of Railway Structures and Constructions, Faculty of Civil Engineering, Brno University of Technology, Brno, Czech republic

The paper presents an analysis and comparison of selected dynamic parameters in the common crossing and switch unit of a railway turnout. The paper includes a description of the measurement methodology, the report of mathematical methods used to evaluate the measured data and comparison of selected parameters describing dynamic processes in individual parts of the structure. The paper also includes a mathematical analysis of the lesser-known Hilbert Huang transformation, including its practical application. From the presented case study, practical experience and recommendations for the railway line managers, research organizations and possibly for the wider technical public are derived.

Keywords: railway turnout, common crossing unit, switch unit, dynamic effects, nonstationary and nonlinear signals, vibrations analysis in time and frequency domain, Hilbert-Huang transformation
Grants and funding:

This paper was supported by the project FASTS-21-7401, “Evaluation of dynamic effects acting on a structure by advanced mathematical analysis methods”.

Received: September 16, 2021; Accepted: January 10, 2022; Prepublished online: March 29, 2022; Published: July 1, 2022  Show citation

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Smutný, J., Janoštík, D., & Nohál, V. (2022). The Comparison of Dynamic Effects Acting in the Common Crossing and Switch Unit of a Turnout. Communications - Scientific Letters of the University of Zilina24(3), D116-125. doi: 10.26552/com.C.2022.3.D116-D125
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