Abstract
Integrated quality and reliability models should be developed to improve system performance simultaneously, because quality and reliability are inherently related in a sense that quality inspection and monitoring decisions impact anticipated reliability and failure time distributions. Especially for degrading systems, important decisions including burn-in, quality inspection and preventive maintenance should be incorporated into an integrated model considering manufacturing variability and associated failure mechanisms. For various linear and non-linear degradation models, this paper develops conditional reliability functions and truncated failure time distributions considering the impacts of burn-in and quality inspection at manufacturing phase. It shows that burn-in and quality inspection policies have significant impacts on reliability performance of products in field operation. Numerical examples are provided to demonstrate the results. The developed reliability models can be readily used for optimizing burn-in, quality inspection and maintenance decisions simultaneously.
Published Version
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