| 空间辐射环境引起在轨卫星故障分析与加固对策 |
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| 引用本文： | 周 飞,李 强,信太林,韦锡峰,张 华.空间辐射环境引起在轨卫星故障分析与加固对策[J].航天器环境工程,2012,29(4):392-396. |
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| 作者姓名： | 周 飞 李 强 信太林 韦锡峰 张 华 |
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| 作者单位： | 上海卫星工程研究所,上海200240 |
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| 基金项目： | “十二五”支撑技术预研课题 |
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| 摘 要： | 文章对卫星由于空间辐射环境导致的在轨故障进行了统计;对某卫星数传综合处理器在轨单粒子翻转故障的现象、机理和措施等进行了分析;根据在轨故障案例、实际工程经验和仿真分析,从硬件和软件两方面提出了具体的降低单粒子效应的多种抗辐射加固设计方法,以延长卫星在轨工作寿命。
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| 关 键 词： | 卫星 单粒子翻转 在轨故障 抗辐射加固 |
| 收稿时间： | 2011/12/12 0:00:00 |
| 修稿时间： | 2012/4/15 0:00:00 |
Analyses and countermeasures of in-orbit satellite failures caused by space radiation environment |
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| Zhou Fei,Li Qiang,Xin Tailin,Wei Xifeng and Zhang Hua.Analyses and countermeasures of in-orbit satellite failures caused by space radiation environment[J].Spacecraft Environment Engineering,2012,29(4):392-396. |
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| Authors: | Zhou Fei Li Qiang Xin Tailin Wei Xifeng and Zhang Hua |
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| Institution: | (Shanghai Institute of Satellite Engineering,Shanghai 200240,China) |
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| Abstract: | The in-orbit satellites’ failures caused by space radiation environment are analyzed by statistics.The phenomena and the mechanism of a typical in-orbit SEU failure of an integrated data processor are discussed in detail,with consideration of countermeasures.Based on the analyses of some real cases of in-orbit failures,the engineering experiences and the simulation analyses,this paper proposes methods for radiation hardening through hardware and software approaches,which may help mitigate the SEUs and extend the service life of satellites. |
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| Keywords: | satellite single event upset in-orbit failure radiation hardening |
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