System design and implement of ground electrical performance testing for spaceborne camera

doi:10.16708/j.cnki.1000-758X.2020.0036

Chinese Space Science and Technology ›› 2020, Vol. 40 ›› Issue (3): 93-99.doi: 10.16708/j.cnki.1000-758X.2020.0036

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System design and implement of ground electrical performance testing for spaceborne camera

ZHANG Yalin^1,*，DU Yiqiang¹，WANG Chun¹，LIN Zhe¹，SUN Weijian²

1. Beijing Institute of Space Mechanics & Electricity，Beijing 100094, China
2. China Centre for Resources Satellite Data and Application，Beijing 100094，China

Received:2019-10-17 Revised:2019-11-29 Accepted:2020-03-04 Published:2020-06-25 Online:2020-05-29

Abstract

Abstract: Based on the characteristics of the new camera with complex structure and multiple loads,a ground test system for the electrical performance of a new satellite camera was designed and implemented.The design requirements of the ground test system were analyzed and summarized,and for the comprehensive requirements of the new camera test,the simulation interface of the whole satellite and multiple loads was designed and implemented.Aiming at the reliability requirements of the new camera test,the design method of redundant network switching test system was proposed and the problem of database access conflict was solved. In order to meet the safety demand of the new camera test, test methods for redundant links and error injection were proposed. The system has successfully completed the development and delivery of a hightorbit spaceborne camera. The experimental results indicate that this system works stably, and the bit error rate is 0 under 72 hours of continuous testing. The system can meet the testing requirements of comprehensiveness,reliability and safety of new type spaceborne camera.

Key words: spaceborne camera, ground testing, electrical performance, comprehensiveness, reliability, safety

ZHANG Yalin, DU Yiqiang, WANG Chun, LIN Zhe, SUN Weijian. System design and implement of ground electrical performance testing for spaceborne camera[J]. Chinese Space Science and Technology, 2020, 40(3): 93-99.

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http://journal26.magtechjournal.com/kjkxjs/EN/Y2020/V40/I3/93

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System design and implement of ground electrical performance testing for spaceborne camera

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