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飞机环境监视系统AESS是由地形感知与告警系统、空中交通警戒与防撞系统、S模式应答机、机载气象雷达等构成,是大型民机航电系统的重要组成部分,它的研制对于提高飞行安全有非常重要的意义。根据ARINC-768等适航标准,对AESS各分系统的功能进行分析,提出一种系统功能集成方案,给出系统综合的接口设计,制定综合画面显示和语音告警的系统输出策略。基于高层体系结构构建AESS分布式仿真系统,实现了分系统间的互联、信息交互以及仿真同步,并基于Vega Prime实现了飞行环境仿真分系统用于同步演示三维飞行环境。该仿真系统可对AESS的关键技术进行验证。
Aircraft Environmental Monitoring System AESS is composed of terrain sensing and warning system, air traffic alert and collision avoidance system, S-mode transponder, airborne weather radar and so on. It is an important part of large-scale civil aviation avionics system. Flight safety is very important. According to the airworthiness standards such as ARINC-768, the functions of AESS sub-systems are analyzed, and a system integration solution is proposed. The integrated interface design of the system is proposed, and the system output strategy of comprehensive screen display and voice alarm is formulated. Based on the high-level architecture, the AESS distributed simulation system is constructed to realize the inter-subsystem interconnection, information interaction and simulation synchronization. Based on Vega Prime, the flight environment simulation subsystem is used to synchronously demonstrate the three-dimensional flight environment. This simulation system validates key AESS technologies.