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首页> 外文会议>2018 13th Annual Conference on System of Systems Engineering >Irrational System Behavior in a System of Systems
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Irrational System Behavior in a System of Systems

机译：系统中的非理性系统行为

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System of systems (SoS) failures can sometimes be traced to a system within the SoS behaving in unexpected ways. Due to their emergent complexity, these types of failures are notoriously challenging to foresee. This paper presents a method to aid in predicting unknown unknowns in a SoS. Irrationality initiators - failure flows emanating from one system that serve as unexpected initiating events in another system - are introduced into quantitative risk analysis methods such as the Failure Flow Identification and Propagation framework and Probabilistic Risk Assessment. Analysis of models built using this approach yield a probability distribution of failure paths through a system within the SoS that are initiated by unexpected behaviors of other systems within the SoS. The method is demonstrated using an example of an autonomous vehicle network operating in a partially denied environment with hostile forces present. Using the concept of irrationality initiators, it is possible to identify and prioritize vulnerabilities in the system of interest in the SoS.
机译：系统系统（SoS）故障有时可以追溯到SoS中行为异常的系统。由于它们的复杂性，这些类型的故障很难预测。本文提出了一种有助于预测SoS中未知未知数的方法。非理性启动器-来自一个系统的故障流，充当另一个系统中的意外启动事件-被引入定量风险分析方法中，例如故障流识别和传播框架以及概率风险评估。使用这种方法构建的模型的分析产生了通过SoS中某个系统的故障路径的概率分布，该故障路径是由SoS中其他系统的意外行为引发的。使用在存在敌对力量的部分拒绝的环境中运行的自动车辆网络的示例来证明该方法。使用非理性发起者的概念，可以识别SoS中感兴趣的系统并确定其优先级。

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