面向空间应用的大容量实时网络总线架构

针对未来空间综合电子系统总线网络发展需求，本文在介绍现有星载电子系统体系架构优缺点的基础上，提出了一种面向空间环境应用的高速高可靠实时网络总线架构。对网络协议架构、网络拓扑、工作原理及网络关键设备进行了详细介绍，该技术10 Gb/s的传输带宽、亚微秒时钟同步精度、多通道冗余传输机制能够满足未来空间环境应用需求，为未来空间电子系统网络架构研究提供借鉴。

Architecture of Large Capacity Real-Time Network for Space Application

Based on the developing requirement of the integrated space electronic system network in future, this paper introduces the existing framework of spaceborne electronic system.On the basis of its advantages and disadvantages,a high-speed and high reliability real-time network architecture is proposed. The protocol architecture,network topology,working principle, and network terminal key equipment are introduced.Moreover, the characteristics of 10 Gb/s transmission bandwidth,sub-microsecond clock synchronization precision and multi-channel redundant transmission mechanism can meet the application needs of future space environment.The study of large capacity real-time network provides a promising solution for the future integrated space electronic system network.