Preliminary space mission design under uncertainty

Croisard, N., Radice, G., Vasile, M. and Kemble, S. (2010) Preliminary space mission design under uncertainty. Acta Astronautica, 66(5/6), pp. 654-664. (doi:10.1016/j.actaastro.2009.08.004)

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Abstract

This paper proposes a way to model uncertainties and to introduce them explicitly in the design process of a preliminary space mission. Traditionally, a system margin approach is used in order to take them into account. In this paper, Evidence Theory is proposed to crystallise the inherent uncertainties. The design process is then formulated as an optimisation under uncertainties (OUU). Three techniques are proposed to solve the OUU problem: (a) an evolutionary multi-objective approach, (b) a step technique consisting of maximising the belief for different levels of performance, and (c) a clustering method that firstly identifies feasible regions. The three methods are applied to the BepiColombo mission and their effectiveness at solving the OUU problem are compared.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Radice, Dr Gianmarco and Vasile, Dr Massimiliano
Authors: Croisard, N., Radice, G., Vasile, M., and Kemble, S.
College/School:College of Science and Engineering > School of Engineering > Aerospace Sciences
Journal Name:Acta Astronautica
ISSN:0094-5765
Published Online:02 September 2009

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
424422Reliable Preliminary Space Mission DesignGianmarco RadiceAstrium Ltd (EADS-ASTR)PO 4500025043ENG - AEROSPACE SCIENCES