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Environmental stress screening modelling, analysis and optimization

机译：环境应力筛选建模，分析和优化

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摘要

Environmental stress screening (ESS) is widely used in industry to eliminate early or latent failures. However, the appropriate stochastic modeling for ESS has not been yet suggested in the literature. In this paper, we develop the corresponding stochastic model and analyze the effect of the ESS in terms of population characteristics. In our model, during the ESS, the manufactured items are exposed to a stress with the relatively large magnitude, which can result either in immediate failures of items or in the increased susceptibility to future failures. The corresponding optimization problems for obtaining the optimal level of the stress magnitude are also formulated and discussed. An illustrative example is considered. (C) 2015 Elsevier Ltd. All rights reserved.
机译：环境应力筛选（ESS）在行业中广泛用于消除早期或潜在故障。但是，尚未在文献中建议用于ESS的适当随机模型。在本文中，我们开发了相应的随机模型，并根据人口特征分析了ESS的影响。在我们的模型中，在ESS期间，制造的物品承受相对较大的应力，这可能导致物品立即失效或对未来失效的敏感性增加。还阐述并讨论了用于获得最佳应力大小水平的相应优化问题。考虑一个说明性的例子。 （C）2015 Elsevier Ltd.保留所有权利。

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