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Intelligent online quality control using discrete wavelet analysis features and likelihood classification

Zervakis Michalis, Pouliezos, A.D., 1951-, Stavrakakis Georgios, Enrico Tomasini, Nicola Paone, Lorenzo Scalise

Πλήρης Εγγραφή

URI: http://purl.tuc.gr/dl/dias/612AB8B1-CE0D-47F4-836F-9EBC278FFB0E
Έτος 2000
Τύπος Πλήρης Δημοσίευση σε Συνέδριο
Άδεια Χρήσης
Λεπτομέρειες
Βιβλιογραφική Αναφορά S. Goumas, M. Zervakis, A. Pouliezos, G.S. Stavrakakis, E. P. Tomasini, N.Paone, L. Scalise ,"Intelligent online quality control using discrete wavelet analysis features and likelihood classification ,"in 2000 4th Intern.l Conf. on Vibration Meas. by Laser Techniques,pp.500-511.doi:10.1117/12.386766 https://doi.org/10.1117/12.386766
Εμφανίζεται στις Συλλογές
Δημοσιεύσεις σε Συνέδρια στην Κοινότητα Σχολή Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών

Περίληψη

This paper presents a method for extracting features in the wavelet domain of vibration velocity transient signals of washing machines, that are then used for classification of the state (acceptable-faulty) of the product. The Discrete Wavelet Transform in conjunction with Statistical Digital Signal Processing techniques are used for feature extraction. The performance of this feature set is compared to features obtained through standard Fourier analysis of the stationary part of the signal. Minimum distance Bayes classifiers are used for classification purposes. Measurements from a variety of defective/non-defective washing machines taken in the laboratory as well as from the production line are used to illustrate the applicability of the proposed method.

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