电光与控制, 2016, 23 (12): 56, 网络出版: 2021-01-25  

基于Safety Case理论的民机平视显示系统安全性评估

Safety Case Based Safety Analysis of Head-Up Display System for Civil Aviation
作者单位
1 中国民航大学,天津市民用航空器适航与维修重点实验室,天津 300300
2 中国民航大学, 安全科学与工程学院,天津 300300
3 中国民航大学, 天津市民用航空器适航与维修重点实验室,天津 300300
摘要
平视显示系统作为影响飞机飞行安全的关键系统,其失效可导致可控飞行撞地(Controlled Flight into Terrain)的灾难性事故,而传统的以部件故障独立为前提的安全性评估方法难以满足综合化航电系统的高度耦合、资源共享特性,无法得到全面有效的安全性分析,给民机安全性带来了隐患。采用Safety Case理论构建平视显示系统的安全性评估模型,建立安全性目标与安全性证明材料间的追溯关系,能够实现对平视显示系统的安全性评估。结果表明,基于Safety Case理论的民机平视显示系统安全性评估模型能够详细阐述系统安全目标被安全证据满足的过程。
Abstract
Head-Up Display (HUD) is a critical system that impact aircraft flight safety. If it is invalidated, it will lead to the catastrophic accident of controlled flight into terrain. The traditional safety assessment based on independent component failure cannot be adaptive to the feature of the integrated modular avionics system, which is highly coupling and is hardware resource sharing. And thus it is difficult to achieve a comprehensive and effective safety analysis. By using Safety Case theory, we built up a safety assessment model of HUD and established traceability between safety goals and safety solutions, to achieve assessing the safety of HUD. The results showed that: the safety analysis model of civil aircraft HUD system based on Safety Case can elaborate that system safety objectives are met by safety evidences.

王鹏, 熊国庆, 张帆, 赵长啸. 基于Safety Case理论的民机平视显示系统安全性评估[J]. 电光与控制, 2016, 23(12): 56. WANG Penga, XIONG Guo-qingb, ZHANG Fanb, ZHAO Chang-xiaoa. Safety Case Based Safety Analysis of Head-Up Display System for Civil Aviation[J]. Electronics Optics & Control, 2016, 23(12): 56.

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