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Reliability modeling method of electronic products considering failure mechanism dependence

机译:考虑失效机制依赖的电子产品可靠性建模方法

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There are varieties of failure mechanisms in electronic product, and they show a very strong dependence between each other. Understanding and describing the dependence of failure mechanism is the basis for product reliability prediction and assessment based on physics of failure. Starting from the characteristic of failure mechanism, this paper studies the classification of failure mechanism correlations, derives the mathematical model of reliability of each single failure mechanism correlation, and studies system reliability modeling method of electronic product considering failure mechanisms dependence based on reliability block diagram. Taking a voltage protection module as example, failure correlation between different components and dependence between mechanisms in one component are both discussed, their reliability models are built, and reliability parameters of the voltage protection module are obtained eventually.
机译:电子产品中有多种故障机制,它们彼此之间存在非常强烈的依赖。理解和描述失败机制的依赖性是基于故障物理学的产品可靠性预测和评估的基础。从故障机制的特征开始,本文研究了失败机制相关性的分类,导出了每个单一故障机制相关性的可靠性的数学模型,以及考虑到可靠性框图的失效机制的电子产品的系统可靠性建模方法。拍摄电压保护模块作为示例,讨论了不同组件与一个部件中机制之间的依赖性之间的故障相关性,构建了其可靠性模型,最终获得了电压保护模块的可靠性参数。

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