Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 16, issue 2
Articles | Volume 16, issue 2
https://doi.org/10.5194/ms-16-597-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-16-597-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 2
Research article
 | 
21 Oct 2025
Research article |  | 21 Oct 2025

Cyclostationary analysis of vibration signals from electric motor – understanding of bi-frequency map

Jacek Wodecki, Anna Michalak, Justyna Hebda-Sobkowicz, Agnieszka Wyłomańska, Krzysztof Szabat, Marcin Wolkiewicz, Marcin Pawlak, and Radosław Zimroz

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Latest update: 07 Sep 2026
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Short summary
Bearing fault is a common reason for failure in industrial electric motors. The analysis of vibration signals measured on bearings in electric motors is challenging due to the presence of multiple cyclic components not related to a fault, which affects the analysis. This article aims to explain the structure of vibration signals measured on motor bearings using cyclostationary analysis, which investigates the content of cyclic components of the signal, which are crucial for interpreting faults.
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