Spectrum auto-correlation analysis and its application to fault diagnosis of rolling element bearings
A feature extraction method is proposed for the bearing fault diagnosis. The proposed method is the simplification of the cyclostationary analysis. The proposed method could be iteratively carried out to enhance the fault feature. Simulated and experimental signals are used to verify the fault diagnosis efficacy.
rolling element bearings cyclostationary analysis spectral auto-correlation analysis squared envelope analysis incipient fault