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A civil aviation safety assessment model using a Bayesian belief network (BBN)

机译:使用贝叶斯信念网络(BBN)的民航安全评估模型

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In this paper we present a Bayesian belief network (BBN) socio-technical model for investigating the accident rate for multi-crew civil airline aircraft. The model emphasises the influence of airline policy and societal behaviour patterns on the pilots within the piloting system. The main claim of this paper is that a BBN can be used to bring most aviation safety-critical elements into a common quantitative safety assessment despite the unique problems posed by the very low probability of accidents. We support this claim by replicating certain phenomena such as the low accident rate, the difference between the 'more' and 'less' safe airlines and other statistical factors of civil aviation. In particular, the model succeeds in explaining the large gap of six to seven orders of magnitude between in-flight measurements of pilots' error and accident rate.
机译:在本文中,我们提出了一种用于调查多机组民用航空器事故率的贝叶斯信念网络(BBN)社会技术模型。该模型强调了航空公司政策和社会行为模式对飞行员系统内飞行员的影响。本文的主要主张是,尽管事故概率极低,但存在独特的问题,BBN可以用于将大多数航空安全关键要素纳入通用的定量安全评估。我们通过复制某些现象(例如事故率低,“更多”和“更少”的安全航空公司之间的差异以及民航的其他统计因素)来支持这一主张。特别是,该模型成功地解释了飞行中飞行员错误和事故发生率测量之间六到七个数量级的巨大差距。

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