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Diagnostic de défauts capteurs sur turboréacteur

Abstract : The engine is the most important part of an aircraft. The total loss of control imply (for a single engine aircraft) the loss of the aircraft. The engine functioning must be safe. Engine manufacturer have searched diagnostic method using analytical redundancy which allows the decrease of material redundancies by using analytical models. This thesis done in collaboration with Snecma Engines, we classified the diagnostic methods designed by this collaborator. One of this methods has been studied more in detail with test results from real engine test bench. Finally, we studied a new method based on multimodel to generate non linear residual and based on a decision part with an statistical residual analysis. This methods has been identified as acceptable because it shows good performances results in accordance with the expected performances for a diagnosis method at Snecma Engines.
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Submitted on : Thursday, March 29, 2018 - 12:40:12 PM
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Antoine Savy. Diagnostic de défauts capteurs sur turboréacteur. Autre. Institut National Polytechnique de Lorraine, 2003. Français. ⟨NNT : 2003INPL109N⟩. ⟨tel-01750186⟩



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