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Current-Based Detection of Mechanical Unbalance in an Induction Machine Using Spectral Kurtosis with Reference

Fournier, Etienne and Picot, Antoine and Régnier, Jérémi and Tientcheu Yamdeu, Mathias and Andréjak, Jean-Marie and Maussion, Pascal Current-Based Detection of Mechanical Unbalance in an Induction Machine Using Spectral Kurtosis with Reference. (2015) IEEE Transactions on Industrial Electronics, 62 (3). 1879-1887. ISSN 0278-0046

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Official URL: http://dx.doi.org/10.1109/TIE.2014.2341561

Abstract

This article explores the design, on-line, of an electrical machine’s healthy reference by means of statistical tools. The definition of a healthy reference enables the computation of normalized fault indicators whose value is independent of the system’s characteristics. This is a great advantage when diagnosing a broad range of systems with different power, coupling, inertia, load, etc. In this paper, an original method called spectral kurtosis with reference is presented in order to designa system’s healthy reference. Its principle is first explained on asynthetic signal. This approach is then evaluated for mechanicalunbalance detection in an induction machine using the stator currents instantaneous frequency. The normalized behaviour ofthe proposed indicator is then confirmed for different operatingconditions and its robustness with respect to load variationsis demonstrated. Finally, the advantages of using a statisticalindicator based on a healthy reference compared to a raw faultsignature are discussed.

Item Type:Article
Additional Information:Thanks to IEEE editor. The definitive version is available at http://ieeexplore.ieee.org. The original PDF of the article can be found at IEEE Transactions on Industrial Electronics website : http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6862051. This article has been accepted for publication in a future issue of this journal, but has not been fully edited.
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Leroy-Somer (FRANCE)
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Deposited On:23 Oct 2015 13:14

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