Chinese Space Science and Technology ›› 2023, Vol. 43 ›› Issue (4): 52-65.doi: 10.16708/j.cnki.1000-758X.2023.0053
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LI Xiang1,GONG Jianglei1,2,GUO Lifang1,HAN Xiaodong1,WANG Chao1,YANG Kaifei1
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Abstract: In the field of satellite designing,the software reconfiguration method has a bad performance in security and flexibility,for which the requirements of sustainable updating and extending are obviously restrained.To solve the problem,a structure of satellite software for task-level reconfiguration was presented.Meanwhile,the typical hardware environment based on a fault-tolerant SRAM and a multiple-level design approach based on soft-bus were described,and the mechanism of task auto recovery after the computer′s restarting was studied.The data protocol of software reconfiguration was proposed to guide the engineer to generate the patch.A simulation test was conducted based on the software architecture and process of task auto accessing,the results show that the proposed method is safe and effective,which can improve the performance of satellite software in the aspect of flexibility and supply a good solution for improving the usability of the satellite software.
Key words: satellite software, sustainable updating and extending, auto-accessing of task, fault-tolerant SRAM, flexibility of the satellite software reconfiguration
LI Xiang, GONG Jianglei, GUO Lifang, HAN Xiaodong, WANG Chao, YANG Kaifei. Research on satellite software reconfiguration method for autonomous access of task[J]. Chinese Space Science and Technology, 2023, 43(4): 52-65.
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URL: https://journal26.magtechjournal.com/kjkxjs/EN/10.16708/j.cnki.1000-758X.2023.0053
https://journal26.magtechjournal.com/kjkxjs/EN/Y2023/V43/I4/52