硬X射线调制望远镜卫星载荷数据存储系统设计与验证  

Design and Verification of Data Storage System for HXMT Satellite

作　　者：梁中坚[1] 高振良[1] 胡萍 李渝昕 薛小龙 丁琳 LIANG Zhongjian;GAO Zhenliang;HU Ping;LI Yuxin;XUE Xiaolong;DING Lin(Beijing Institute of Spacecraft System Engineering,Beijing 100094,China;Beijing Research Institute of Telemetry,Beijing 100076,China;Academy of Space Electronic Information Technology,Xi’an 710100,China)

机构地区：[1]北京空间飞行器总体设计部,北京100094 [2]北京遥测技术研究所,北京100076 [3]空间电子信息技术研究院,西安710100

出　　处：《航天器工程》2018年第5期72-77,共6页Spacecraft Engineering

基　　金：国家重大航天工程

摘　　要：针对X射线科学数据全天时、种类多、数据率变化大、更高准确性和可靠性的要求,研制了硬X射线调制望远镜(HXMT)卫星数据存储系统(DSS),用于实现对有效载荷和卫星平台数据的接收、处理、记录、存储以及回放。文章在给出了数据存储系统功能需求分析的基础上,对工作模式灵活多样和在轨长期工作下的高可靠性存储这两个最主要特点的设计和验证情况进行了说明。通过软件注错、辐照试验,以及在轨长期连续运行结果表明:HXMT卫星的数据存储系统灵活性高、可靠性好、运行稳定,完全满足用户需求,对HXMT卫星科学目标的实现奠定了基础,可为后续航天器数据存储系统的设计和验证提供参考。Based on the requirements of full-time detection,diverse types,large changing data rate,high accuracy and reliability of X-ray science data,the data storage system(DSS)of the HXMT(hard X-ray modulation telescope)satellite is designed to be used for receiving,handling,recording,storing and playbacking data of payloads system and satellite platform.In this paper,the analysis of function and requirement about the DSS is presented.Then the DSS is designed and verified for the characteristics of flexible work modes and high-reliable and full-time storage.The results of software fault injection test,radiation test and on-orbit test indicate that the DSS is flexible,reliable and stable.The DSS satisfies users’needs,ensures the realization of engineering and science objective of the HXMT satellite,and provides the reference for data storage system design of following spacecraft.

关 键 词：硬X射线调制望远镜卫星 数据存储系统 固态存储器 软件注错试验 辐照试验 单粒子翻转 

分 类 号：V447.2[航空宇航科学与技术—飞行器设计]