ISSUES OF IMPROVING OF THE ACCURACY OF DIAGNOSTIC PARAMETERS ESTIMATIONS IN THE SPECTRAL PROCESSING OF VIBRATION SIGNALS
No. 2 (2012), Information Measuring Systems in Electric Power Engineering
No. 2 (2012)
Information Measuring Systems in Electric Power Engineering

ISSUES OF IMPROVING OF THE ACCURACY OF DIAGNOSTIC PARAMETERS ESTIMATIONS IN THE SPECTRAL PROCESSING OF VIBRATION SIGNALS

Published 2012-02-02
Yu.I. Gyzhko
Institute of Electrodynamics of the National Academy of Sciences of Ukraine, pr. Peremohy, 56, Kyiv, 03057, Ukraine
M.V. Myslovych
Institute of Electrodynamics of the National Academy of Sciences of Ukraine, pr. Peremohy, 56, Kyiv, 03057, Ukraine
R.M. Sysak
Institute of Electrodynamics of the National Academy of Sciences of Ukraine, pr. Peremohy, 56, Kyiv, 03057, Ukraine
ARTICLE_61_PDF (Українська)

Keywords

vibration diagnostics
statistical methods
electrical machinery
information-measuring systems вібраційна діагностика
статистичні методи
електричні машини
інформаційно-вимірювальні системи

How to Cite

[1]
Gyzhko, Y. et al. 2012. ISSUES OF IMPROVING OF THE ACCURACY OF DIAGNOSTIC PARAMETERS ESTIMATIONS IN THE SPECTRAL PROCESSING OF VIBRATION SIGNALS. Tekhnichna Elektrodynamika. 2 (Feb. 2012), 127.
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Abstract

The software was developed for spectral analysis of diagnostic signals with improved characteristics of accuracy and reliability due to application of spectral windows. With usage of computer simulation, the influence of shape and parameters of spectral windows on the accuracy of estimations of spectral diagnostic parameters was investigated. For this, the simulation of vibration signals realization with defined spectral parameters was performed, after which the statistical spectral analysis of these realizations was performed with smoothing with usage of different types of spectral windows. The influence of parameters of spectral windows on the accuracy characteristics of the spectral analysis of investigated signals was noticed. References 5.

ARTICLE_61_PDF (Українська)

References

Gyzhko Yu. Usage of vibrations for diagnostics of moving parts of electrical machines // Acta Technica. 55 – 2010. – No 4. – Pp. 419–430.

Gyzhko Yu.I. Spectral analysis results of vibrations moving parts of electric machines // Tekhnichna elektrodynamika. – 2011. – No 4. – Pp. 46–49. (Ukr.)

Gyzhko Yu.I., Myslovych M.V. Some questions of practical implementation and application of information-measuring systems for diagnosis of rotating parts of the rotary power machines // Tekhnichna elektrodynamika. Tematychnyi vypusk "Problemy Suchasnoi elektrotekhniky". – 2008. – Vol. 4. – Pp. 53–58 (Ukr.)

Gyzhko Yu.I., Myslovych M.V. Features of construction of information-measuring systems diagnostics of moving parts ofelectrical equipment // Pratsi Instytutu elektrodynamiky Natsionalnoi Akademii Nauk Ukrainy. – 2007. – No 2(17). – Pp. 107–115. (Ukr.)

Marchenko B.H., Myslovich M.V. Vibrodiagnostics bearing units of electric machines. – Kyiv: Naukova dumka, 1992. – 195 p. (Rus.)

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