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Stator Current based Indicators for Bearing Fault Detection in Synchronous Machine by Statistical Frequency Selection

Obeid, Ziad and Poignant, Sylvain and Régnier, Jérémi and Maussion, Pascal Stator Current based Indicators for Bearing Fault Detection in Synchronous Machine by Statistical Frequency Selection. (2011) In: IEEE IECON 2011, Industrial Electronics CONference, 11 November 2011 (Melbourne, Australia).

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Official URL: http://dx.doi.org/10.1109/IECON.2011.6119621

Abstract

The aim of this paper is to present some indicators developed for efficient detection of bearing defaults in high speed synchronous machines using a stator current analysis. These actuators are used in an air conditioning fan for aeronautic applications. The signatures of the bearing defects appear through an increase in amplitude of specific current harmonics multiples of the rotation frequency. From an experimental comparison between a healthy fan and another with damaged bearings, an automatic frequency selection is performed to identify the frequency ranges for which the energy is the most sensitive to the considered faults. From these frequencies, several strategies are investigated to propose a suitable indicator for the bearing fault detection. A post-processing algorithm is then developed and tested for different measurements, different types of faults and different operating points, to ensure the robustness of the proposed method.

Item Type:Conference or Workshop Item (Paper)
HAL Id:hal-01219765
Audience (conference):International conference proceedings
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 > SAFRAN (FRANCE)
Laboratory name:
Funders:
This work makes part of the PREMEP project. PREMEP is a national collaborative research project, approved by the Aerospace Valley pole and focused on the electric motors & electronics for aeronautical applications. - The partners are Technofan, Liebherr Aerospace Toulouse, LAPLACE, CIRTEM, Ateliers de Navarre and DELTY.
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Deposited On:23 Oct 2015 09:03

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