Design of the fault tolerant command and data handling subsystem for ESTCube-1

被引：15

作者：

Laizans, Kaspars ^{[1
,2
]}

Suenter, Indrek ^{[1
,2
]}

Zalite, Karlis ^{[1
,2
]}

Kuuste, Henri ^{[1
,2
]}

Valgur, Martin ^{[1
,2
]}

Tarbe, Karl ^{[2
]}

Allik, Viljo ^{[1
]}

Olentsenko, Georgi ^{[2
]}

Laes, Priit ^{[2
]}

Laett, Silver ^{[1
,2
]}

Noorma, Mart ^{[1
,2
]}

机构：

[1] Tartu Observ, EE-61602 Toravere, Tartumaa, Estonia

[2] Univ Tartu, Fac Sci & Technol, Inst Phys, EE-51010 Tartu, Estonia

来源：

PROCEEDINGS OF THE ESTONIAN ACADEMY OF SCIENCES | 2014年 / 63卷 / 02期

关键词：

command and data handling subsystem; fault tolerance; redundancy; nanosatellite; Cube Sat; ESTCube-1;

D O I：

10.3176/proc.2014.2S.03

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

This paper presents the design, implementation, and pre-launch test results of the Command and Data Handling Subsystem (CDHS) for ESTCube-1. ESTCube-1 is a one-unit Cube Sat, which will perform an electric solar wind sail experiment. The development process of the CDHS for ESTCube-1 was focused on robustness and fault tolerance. A combination of hot and cold hardware redundancy was implemented. Software, including a custom-written internal communications protocol, was designed to increase the system's fault tolerance further by providing fault detection and fall-back procedures. Tests were carried out to validate the implementation's performance and physical endurance. The final CDHS design is operational within the set requirements. Tests that verify fault tolerance of the system in orbit are suggested.

引用

页码：222 / 231

页数：10

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