Analysis of the Vibration Signal Using Time- Frequency Methods (CROSBI ID 222688)
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Podaci o odgovornosti
Šoda, Joško ; Vujović, Igor ; Kulenović, Zlatan
engleski
Analysis of the Vibration Signal Using Time- Frequency Methods
Condition monitoring (CM) is an essential technique used for monitoring various systems and system components and is supplemented with other techniques, such as video monitoring. Due to the fact that the acceleration signal is suitable for acquisition and is of non-stationary nature, CM is used to monitor various parameters of a monitored system. In order to process the acquired vibration signal and draw valid conclusions a time-frequency analysis has to be performed. In this paper, the advantage of the wavelet application is shown with an example and manifolds of wavelets reported in this application are reviewed. The case study implies that the optimal wavelets are db8 and db7 and the optimal level of decomposition is the fifth level.
Condition monitoring; Wavelet transform; Vibration signal; Time-frequency domain; Diagnostic tool
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Povezanost rada
Elektrotehnika, Strojarstvo, Tehnologija prometa i transport