基于边缘计算环境的分布式机载仿真系统设计

Design of Distributed Civil Aircraft Airborne Simulation System Based on Edge Computing Environment

虚拟仿真系统是民用飞机系统正向设计及集成验证的重要工具,可有效降低物理测试成本,提升系统可靠性与安全性。针对民机系统仿真的异地协同和实时计算性能有限等问题,提出一种基于边缘计算的“云边端”仿真系统模型及分布式仿真物联网络的构建方法;设计了一种支持多元仿真节点间通过点点、广播及订阅/发布模式进行数据交互的通用信息服务总线,构建了一种基于边缘计算环境的支持民机机载系统跨地域协同的通用仿真设计框架。针对B737-800的典型起飞场景建立分布式仿真原型系统,验证了所提出的仿真框架及分布式仿真系统的有效性。

The virtual simulation system is an important tool for the forward design and integration verification of civil aircraft systems,which can effectively reduce the cost of physical testing and improve system reliability and safety.Aiming at the problems of remote collaboration and limited real time computing performance in the simulation of civil aircraft systems,a"cloud edge terminal"simulation system model based on edge computing and a construction method for a distributed simulation IoT network are proposed.A general information service bus that simulates data interaction between nodes through point to point,broadcast,and subscribe/publish modes,is proposed;and a general simulation design framework based on edge computing environment that supports cross regional collaboration of civil aircraft airborne systems is built.A distributed simulation prototype system is established for the typical take off scene of B737-800,and the effectiveness of the proposed simulation framework and distributed simulation system is verified.