Application of the Sequential Gradient Restoration Algorithm to the Solution of the Low Thrust Transfer Problem

Aerotecnica Missili & Spazio

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Field Value
 
Title Application of the Sequential Gradient Restoration Algorithm to the Solution of the Low Thrust Transfer Problem
 
Creator Bastante, Juan Carlos
Letizia, Francesca
De Bruijn, Ferdi
Lubke-Ossenbeck, Bernard
 
Subject


 
Description The Sequential Gradient Restoration Algorithm (SGRA) is an indirect optimisation method based on the iterativealternation of two phases: in the rst one (gradient), the objective is the minimisation of the cost function; in the secondphase (restoration) the objective is the fullment of the dierential equations, equality and inequality path constraintsand boundary conditions. This paper illustrates the application of the SGRA to the generation of very long transfertrajectories (up to some few thousand orbits during several months) in a typical GTO to GEO transfer scenario performedwith electric propulsion. The reason for using electric propulsion in that case is the signicant propellant mass savings ifcompared to the classical chemical propulsion strategies, at the expenses of an elongated transfer phase (from few daysto some months). The electric propulsion system considered in this paper is characterised by thrust levels between 100mN and 1 N (for some 3 to 5 tons launch mass) and high specic impulse, between 1000 s and 5000 s
 
Publisher Associazione Italiana di Aeronautica e Astronautica (AIDAA)
 
Contributor
 
Date 2018-02-11
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article

 
Format application/pdf
 
Identifier http://131.114.27.37/index.php/AMS/article/view/331
10.19249/ams.v96i4.331
 
Source Aerotecnica Missili & Spazio; Vol 96, No 4 (2017); 228-236
0365-7442
 
Language eng
 
Relation http://131.114.27.37/index.php/AMS/article/view/331/299
 
Rights Copyright (c) 2018 Aerotecnica Missili & Spazio
 

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