基于CCSDS-SOIS的航天器数据管理系统体系架构的探讨

南京大学学报(自然科学版) ›› 2018, Vol. 54 ›› Issue (3): 506–514.

基于CCSDS-SOIS的航天器数据管理系统体系架构的探讨

吕良庆1，2，黄永辉1，安军社1*

出版日期:2018-05-23 发布日期:2018-05-23
作者简介:1 中国科学院复杂航天系统电子信息技术重点实验室，国家空间科学中心，北京,100190； 2中国科学院大学，计算机与控制学院，北京，100049
基金资助:
空间科学先导专项总体（XDA04080000）

Discussion on onboard Data Management System Architecture based on CCSDS-SOIS

LYU Liangqing1,2，HUANG Yonghui1，AN Junshe1*

Online:2018-05-23 Published:2018-05-23
About author:1.Key Laboratory of Electronics and Information Technology for Space Systems，National Space Science Center, Chinese Academy of Sciences, Beijing,100190, China； 2.University of Chinese Academy of Sciences, School of Computer and Control Engineering，Beijing, 100049, China

摘要/Abstract

摘要： 为解决航天器数据管理系统体系架构中，由于接口方式和协议不一致和设计的多样化，导致难以沟通和重用的问题，CCSDS的SOIS工作组提出了体系架构，并制定了相应的业务推荐标准文本。本文结合SOIS架构，概括介绍了ESA提出的SAVOIR架构，NASA提出的cFS/cFE架构，以及我国对SOIS的跟踪研究情况，对这几个架构进行了比较和分析。这几个架构的共同点在于对层次化、模块化、接口标准化和模型化的重用特征在认识上是一致的，但是在具体设计上由于各自的背景不同而不尽相同。另一个共同的认识是将电子数据单（EDS）作为架构的设计重点之一，为此本文对数据设计的2个主要概念，管理信息库（MIB）和EDS之间的关系和设计思路进行了分析说明。本文最后展望了空间数据系统体系架构的一些发展趋势，认为基于EDS和MIB的数据设计将成为主要研究内容之一，并且SOIS架构的实践应结合自身的特点来开展。

Abstract: The Consultative Committee for Space Data Systems(CCSDS) established Space Onboard Interface Services (SOIS) area and working group in 1999, and developed a series of recommended standards for onboard interfaces. According to European Space Agency (ESA)，National Aeronautics and Space Administration (NASA) and Chinese Academy of Space Technology (CAST) experience, they practiced and built their own architecture for onboard data management system, named Space Avionics Open Interface aRchitecture (SAVOIR) ，core Flight Executive/core Flight Software (cFE/cFS) and CAST flight software respectively. The study contents of these architectures mainly focus on layered architecture, services, protocols, data organization and tool-chains development. They have many same characteristics and differences. For instance that they have similar layered frames，but different services divided and protocols configured. The reason of this situation is mainly coming from different background and culture of organizations and countries. One of these architectures’ goals is to allow components reuse in a system development. In this paper, we analyze the characteristics of reuse, including layering, modularization, interface standardization, and modeling. Modeling plays a key role in these features. Based on CCSDS SOIS, Electronic Data Sheet (EDS) and Management Information Base (MIB) concepts are used to describe different models of components (applications, services and devices) and systems. The relationship between EDS and MIB, their contents and formats, are discussed. Finally, we predict some trends of architecture developing methods. First, the EDS technology will be the one of core study contents of SOIS, including its method, language, tool-chains development and management method. Second, MIB will be the base for missions and system design due to its modeling feature. And the last is that we should use SOIS architecture and develop our own spacecraft onboard data management architecture according to the special background and environment of our country, such as organization style, culture, rules of space engineering, infrastructure, working habits, and etc..

吕良庆1，2，黄永辉1，安军社1*. 基于CCSDS-SOIS的航天器数据管理系统体系架构的探讨[J]. 南京大学学报(自然科学版), 2018, 54(3): 506–514.

LYU Liangqing1,2，HUANG Yonghui1，AN Junshe1*. Discussion on onboard Data Management System Architecture based on CCSDS-SOIS[J]. Journal of Nanjing University(Natural Sciences), 2018, 54(3): 506–514.

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