Abstract
Condition monitoring and faults diagnosis in rotating machinery is a current research field. In this direction the use of pattern recognition combined with non-destructive testing techniques such as’ vibration analysis and signal processing can be very helpful. In this paper is proposed, a diagnosis method of rotating machinery using vibration signatures using a Radial Basis Function classifier. Recorded signals were preprocessed with a Wavelet Decomposition and indicators were extracted both in temporal and frequency domains. To improve diagnosis performance, two techniques for dimension reduction of indicators space were combined; Principal Component Analysis and the ReliefF filter. The method was tested on real signatures from a vibration test rig, operating under several conditions, the results showed the interest to look closely at the choice of indicators in order to obtain best diagnosis performances.
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Khelf, I., Laouar, L., Bendjama, H., Bouchelaghem, A.M. (2012). Combining RBF-PCA-ReliefF Filter for a Better Diagnosis Performance in Rotating Machines. In: Fakhfakh, T., Bartelmus, W., Chaari, F., Zimroz, R., Haddar, M. (eds) Condition Monitoring of Machinery in Non-Stationary Operations. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-28768-8_30
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DOI: https://doi.org/10.1007/978-3-642-28768-8_30
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-28767-1
Online ISBN: 978-3-642-28768-8
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