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Aircraft Operational Reliability-A Model-based Approach and a Case Study

Abstract : The success of an aircraft mission is subject to the fulfillment of some operational requirements before and during each flight. As these requirements depend essentially on the aircraft system components and the mission profile, the effects of failures can be very severe if they are not anticipated. Hence, one should be able to assess the aircraft operational reliability with regard to its missions in order to be able to cope with failures. We address aircraft operational reliability modeling to support maintenance planning during the mission achievement. We develop a modeling approach, based on a meta-model that is used as a basis: (i) to structure the information needed to assess aircraft operational reliability and (ii) to build a stochastic model that can be tuned dynamically, in order to take into account the aircraft system operational state, a mission profile and the maintenance facilities available at the flight stop locations involved in the mission. The aim is to enable operational reliability assessment online. A case study, based on an aircraft subsystem, is considered for illustration using the Stochastic Activity Networks (SANs) formalism.
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https://hal.laas.fr/hal-01911668
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Kossi Tiassou, Karama Kanoun, Mohamed Kaâniche, Christel Seguin, Chris Papadopoulos. Aircraft Operational Reliability-A Model-based Approach and a Case Study. Reliability Engineering and System Safety, Elsevier, 2013, 120, pp.163-176. ⟨10.1016/j.ress.2013.07.008⟩. ⟨hal-01911668⟩

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