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Reliability growth testing (Voce (in dizionario o enciclopedia))

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Pulcini G. (2008)
Reliability growth testing
John Wiley & Sons, Chichester, UK, 2008
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Reliability growth is the process by which the reliability problems of a product are identified and corrected by introducing modifications in the product design and/or manufacturing process. Accordingly, the reliability of the product grows as the product goes through successive stages of the development program. Although reliability growth generally refers to improvements in products reliability, a very important field where reliability growth programs can find large application is the control of industrial accidents. We discuss a number of stochastic models able to describe the reliability growth, either when improvement actions are introduced at failure occurrence (Test-Analyze-And-Fix program), or when the corrective actions are delayed and implemented in block at the end of each stage. Such models are classified into continuous and discontinuous models accordingly to the assumed behavior of the product reliability with test time. Special attention is devoted to the non-homogeneous Poisson process with power-law intensity function, namely the power law process, which is the stochastic representation of the well known deterministic growth model of Duane. (literal)

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