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Chapitre D'ouvrage Année : 2010

An Approach to System Reliability Demonstration Based on Accelerated Test Results on Components

Résumé

Reliability demonstration is often mandatory for industrials that need to prove the quality of their production. In a reliability objective at the global system level, the basic use of standards such as MIL-HDBK-781 or IEC-60300 for reliability demonstration of each subsystem must be adjusted. Practitioners often have to fix high-level reliability goals (around 0.999) on each subsystem to guarantee that system reliability exceeds 0.8. Moreover the confidence obtained for an overall reliability drops down to non-admissible values because of the multiplicity of testing procedures. We propose an approach, from k accelerated tests, to determine an optimized test time whilst ensuring that the reliability of a component system is greater than a goal value and by avoiding the too conservative method consisting in multiplying the confidence levels.

Dates et versions

hal-00968104 , version 1 (31-03-2014)

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Vincent Couallier, Léo Gerville-Réache. An Approach to System Reliability Demonstration Based on Accelerated Test Results on Components. M.S. Nikulin, Nikolaos Limnios N. Balakrishnan, Waltraud Kahle, Catherine Huber-Carol. Advances in Degradation Modeling, Birkhäuser Boston, pp.311--320, 2010, Statistics for Industry and Technology, 978-0-8176-4923-4. ⟨10.1007/978-0-8176-4924-1_20⟩. ⟨hal-00968104⟩

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