CNES ACTIVITES ON POLYNOMIAL CHAOS EXPANSION FOR UNCERTAINTY PROPAGATION

被引:0
|
作者
Morand, Vincent [1 ]
Prigent, Guillaume
Bignon, Emmanuel [2 ]
Mercier, Pierre
Congedo, Pietro Marco [3 ]
机构
[1] CNES, Toulouse, France
[2] Thales Serv CIS, Toulouse, France
[3] I INRIA Bordeaux Sud Ouest, Bordeaux, France
来源
SPACEFLIGHT MECHANICS 2017, PTS I - IV | 2017年 / 160卷
关键词
D O I
暂无
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
Dealing with initial uncertainties, or models uncertainties, and their evolution over time has become a point of greater interest over the last years. In particular, the increasing number of space debris strengthens the need for more efficient technics for risk assessment, both on orbit (collision risk) and on ground (casualty risk). One of the most common non-intrusive methods for uncertainty propagation is called Polynomial chaos expansion (PCE). The paper will briefly review some fundamentals of the PCE and the framework that have been adopted during an ongoing R&T study. Test cases will be presented, covering concrete day-to-day work of a spaceflight engineer. Current results will be presented and discussed.
引用
收藏
页码:3369 / 3385
页数:17
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