文章基本信息

标题：Survivability assessment of spacecraft impacted by orbit debris
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作者：Di-qi Hu ; Bao-jun Pang ; Run-qiang Chi 等
期刊名称：Defence Technology
印刷版ISSN：2214-9147
出版年度：2021
卷号：17
期号：3
页码：961-970
DOI：10.1016/j.dt.2020.06.003
出版社：Elsevier B.V.
摘要：To help optimize the spacecraft design and reduce the risk of spacecraft mission failure, a new approach to assess the survivability of spacecraft in orbit is presented here, including the following three steps: 1) Sensitivity Analysis of spacecraft. A new sensitivity analysis method, a ray method based on virtual outer wall, is presented here. Using rays to simulate the debris cloud can effectively address the component shadowing issues. 2) Component Vulnerability analysis of spacecraft. A function “Component functional reduction degree e Component physical damage degree” is provided here to clearly describe the component functional reduction. 3) System-level Survivability Assessment of spacecraft. A new method based on expert knowledge reasoning, instead of traditional artificial failure tree method, is presented here to greatly improve the efficiency and accuracy of calculation.
关键词：Survivability ; Hypervelocity impact ; Orbit debris ; Ray method