猎户座飞船电子系统设计特点分析与启示  

Research on Orion Electronic System

作　　者：程博文[1] 刘伟伟[1] 何熊文[1] 阎冬[1] 

机构地区：[1]北京空间飞行器总体设计部,北京100094

出　　处：《航天器工程》2016年第4期102-107,共6页Spacecraft Engineering

摘　　要：2014年12月5日猎户座飞船成功完成"探测飞行试验"任务,标志着美国NASA为实现载人火星探测迈出了关键一步。文章从分析猎户座飞船电子系统入手,总结了其高度灵活、可扩展、高可靠的设计目标,介绍了系统采用的分布式系统架构的设计特点及最终的实现方案;梳理了容错计算机系统、时间触发以太网和分时分区操作系统等关键技术的工作原理,并通过与传统实现方式的对比,分析了上述技术在系统中的应用优势。最后提出了发展建议,可为我国后续开展火星探测任务提供参考。On Dec 5th 2014,Orion successful accomplished the ETF-1experiment.It is a key symbol for America to make a step to Mars.Based on the design method of Orion＇s electronic system,the paper summarizes the high flexible,easily expandable and strong reliable requirements and introduces the design characteristics of distributed architecture and the practical scheme which the system adopts.Key techniques of the design including fault-tolerant computer system,time-trigger Ethernet and time space partitioning operating system are introduced.Compared to the traditional implementation,the application benefits of these key technique are analysied.The research and development of Orion electronics system can offer reference for Chinese deep space manned spacecraft design.

关 键 词：猎户座飞船 电子系统 容错计算机 时间触发以太网 分时分区操作系统 

分 类 号：V476.2[航空宇航科学与技术—飞行器设计]