Aircraft engine health monitoring using Self-Organizing Maps

Abstract : Aircraft engines are designed to be used during several tens of years. Ensuring a proper operation of engines over their lifetime is therefore an important and difficult task. The maintenance can be improved if efficients procedures for the understanding of data flows produced by sensors for monitoring purposes are implemented. This paper details such a procedure aiming at visualizing in a meaningful way successive data measured on aircraft engines. The core of the procedure is based on Self-Organizing Maps (SOM) which are used to visualize the evolution of the data measured on the engines. Rough measurements can not be directly used as inputs, because they are influenced by external conditions. A preprocessing procedure is set up to extract meaningful information and remove uninteresting variations due to change of environmental conditions. The proposed procedure contains three main modules to tackle these difficulties: environmental conditions normalization (ECN), change detection and adaptive signal modeling (CD) and finally visualization with Self-Organizing Maps (SOM). The architecture of the procedure and of modules are described in details in this paper and results on real data are also supplied.
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Communication dans un congrès
Petra Perner Ed. 10th Industrial Conference, ICDM 2010,, Jul 2010, Berlin, Germany. Springer, 6171, pp.405-417, 2010, LNAI. 〈10.1007/978-3-642-14400-4〉
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Etienne Côme, Marie Cottrell, Michel Verleysen, Jérôme Lacaille. Aircraft engine health monitoring using Self-Organizing Maps. Petra Perner Ed. 10th Industrial Conference, ICDM 2010,, Jul 2010, Berlin, Germany. Springer, 6171, pp.405-417, 2010, LNAI. 〈10.1007/978-3-642-14400-4〉. 〈hal-00458298〉

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