Multi-state reliability requirements for complex systems

J. L. Cook
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引用次数: 3

Abstract

Few complex systems exhibit a binary set of states, that is only simple systems are limited to the basic states of operational and failed. Complex systems and Systems of Systems (SoS) take on multiple degraded states between the fully operational and fully failed extremes. However, reliability requirements often lack the necessary information to adequately allocate multi-state reliability to the sub-systems and components. Specifically, the criticality of functional failures is not defined in the requirements phase but rather, it is done just prior to test. A proposed requirements generation and allocation method is presented to enable more robust requirement sets specific to multi-state systems and SoS which in turn enables more effective and efficient design for reliability practices.
复杂系统的多状态可靠性要求
很少有复杂系统表现出二元状态集,也就是说,只有简单系统被限制在运行和失败的基本状态。复杂系统和系统的系统(SoS)在完全运行和完全失效的极端状态之间呈现多种退化状态。然而,可靠性需求通常缺乏必要的信息来充分分配子系统和组件的多状态可靠性。具体来说,功能故障的临界性不是在需求阶段定义的,而是在测试之前定义的。提出了一种需求生成和分配方法,以实现针对多状态系统和SoS的更健壮的需求集,从而使可靠性实践的设计更加有效和高效。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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