隐蔽故障计算模型审定要求分析

Airworthiness Certification Requirement Analysis for Hidden Failure Calculation Models

隐蔽故障概率计算对初始适航系统安全性评估结果会产生重大影响,其计算模型具有复杂多样的特性,如何对这些模型的安全性进行审查,成为型号研制和适航审定中的一个关键问题。分析隐蔽故障计算的影响因素,提出计算模型的审定要素和要点,并结合当前普遍应用的工程方法以及计算模型进行评估,发现安全性问题,可有效促进型号安全性水平。

The probability calculation of hidden failures has a significant impact on the safety assessment results of the initial airworthiness system.Its computational model has complex and diverse characteristics.How to review the security of these models has become a key issue in model development and airworthiness certification.This paper analyzes the factors influencing hidden failure calculation proposes the certification elements and key points of the calculation model and uses the currently widely-used engineering methods and calculation models as an example to evaluate and find safety issues which can effectively promote the safety level of the aircraft.