无人机系统安全目标水平预估方法  

Estimated method of target level of safety for unmanned aircraft system

作　　者：张泽京 张曙光[2,3] 柳旭 金镭 ZHANG Zejing;ZHANG Shuguang;LIU Xu;JIN Lei(Airworthiness Technologies Research and Management Center, China Aviation Polytechnology Establishment, Beijing 100028, China;School of Transportation Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;International School, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;Collaborative Innovation Center for Advanced Aero-Engine, Beijing 100191, China)

机构地区：[1]中国航空综合技术研究所适航性技术研究与管理中心,北京100028 [2]北京航空航天大学交通科学与工程学院,北京100191 [3]先进航空发动机协同创新中心,北京100191 [4]北京航空航天大学国际学院,北京100191

出　　处：《航空动力学报》2018年第4期1017-1024,共8页Journal of Aerospace Power

基　　金：民航安全能力建设项目(AADSA0010)

摘　　要：考虑无人机系统(UAS)与有人机运行安全特性的不同,通过事件树分析识别出对地撞击是无人机系统运行的首要风险方式。基于等效安全水平的概念,建立确定无人机系统安全目标水平的对地撞击模型,将无人机撞击动能、构型参数以及飞行环境因素综合考虑到模型中,并计算了不同无人机系统在不同运行场景下的安全目标水平以及基于我国地域人口的安全目标水平,结果表明:在考虑运行环境的情况下,对无人机系统安全目标水平的定量要求可能跨越4~5个数量级。在此基础上,结合风险矩阵的概念,给出基于对地撞击情况的无人机系统运行风险评价矩阵,为无人机系统运行风险评价提供了一种可行思路。Considering the differences of safety features between unmanned aircraft system（UAS）and manned aircraft,the ground impact was recognized as the critical risk condition by means of event tree analysis.Based on definition of equivalent level of safety,safety evaluation model for unmanned aircraft system was established by consideration of kinetic energy,configuration and flight environment factors.Target levels of safety evaluation approaches based on different UAS classes operating in different scenarios and Chinese population density were discussed.Results indicated that quantitative requirement for UAS operating in different scenarios may range between 4 or 5 orders of magnitude.On this basis,riskevaluation matrix of UAS operation based on ground impact condition was proposed,providing an effective approach to risk evaluation matrix for operations of UAS.

关 键 词：无人机系统(UAS) 等效安全水平(ELS) 对地撞击模型 安全目标水平(TLS) 风险评价矩阵 

分 类 号：V279[航空宇航科学与技术—飞行器设计]