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Volume 13
Issue 2
10.3390/electronics13020441
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Article

Application of the STFT for Detection of the Rotor Unbalance of a Servo-Drive System with an Elastic Interconnection

by
Pawel Ewert
1,*,
Bartłomiej Wicher
2 and
Tomasz Pajchrowski
2
1
Department of Electrical Machines, Drives and Measurements, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
2
Institute of Robotics and Machine Intelligence, Poznań University of Technology, ul. Piotrowo 3A, 60-965 Poznań, Poland
*
Author to whom correspondence should be addressed.
Electronics 2024, 13(2), 441; https://doi.org/10.3390/electronics13020441
Submission received: 28 December 2023 / Revised: 17 January 2024 / Accepted: 19 January 2024 / Published: 21 January 2024
(This article belongs to the Special Issue Emerging Theory and Applications in Fault Diagnosis and Motor Drive Control)
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Abstract

The article focuses on the use of short-time Fourier transform (STFT) to detect the unbalance of a drive with a flexible connection between the driving machine and the load. The authors present the unbalance model and justify, through subsequent experiments, why the STFT-based approach is appropriate. The effectiveness of the presented method of analyzing signals from acceleration sensors was confirmed experimentally by designing an artificial neural network for detecting the unbalance.
Keywords: rotor unbalance; diagnostics; two-mass system; short-time Fourier transform STFT; neural network rotor unbalance; diagnostics; two-mass system; short-time Fourier transform STFT; neural network

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MDPI and ACS Style

Ewert, P.; Wicher, B.; Pajchrowski, T. Application of the STFT for Detection of the Rotor Unbalance of a Servo-Drive System with an Elastic Interconnection. Electronics 2024, 13, 441. https://doi.org/10.3390/electronics13020441

AMA Style

Ewert P, Wicher B, Pajchrowski T. Application of the STFT for Detection of the Rotor Unbalance of a Servo-Drive System with an Elastic Interconnection. Electronics. 2024; 13(2):441. https://doi.org/10.3390/electronics13020441

Chicago/Turabian Style

Ewert, Pawel, Bartłomiej Wicher, and Tomasz Pajchrowski. 2024. "Application of the STFT for Detection of the Rotor Unbalance of a Servo-Drive System with an Elastic Interconnection" Electronics 13, no. 2: 441. https://doi.org/10.3390/electronics13020441

APA Style

Ewert, P., Wicher, B., & Pajchrowski, T. (2024). Application of the STFT for Detection of the Rotor Unbalance of a Servo-Drive System with an Elastic Interconnection. Electronics, 13(2), 441. https://doi.org/10.3390/electronics13020441

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