Designing Complex Interplanetary Trajectories for the Global Trajectory Optimization Competitions

Dario Izzo (), Daniel Hennes (), Luís F. Simões () and Marcus Märtens ()
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Dario Izzo: ESTEC
Daniel Hennes: DFKI GmbH
Luís F. Simões: Vrije Universiteit Amsterdam
Marcus Märtens: TU Delft

A chapter in Space Engineering, 2016, pp 151-176 from Springer

Abstract: Abstract The design of interplanetary trajectories often involves a preliminary search for options later refined/assembled into one final trajectory. It is this broad search that, often being intractable, inspires the international event called Global Trajectory Optimization Competition. In the first part of this chapter, we introduce some fundamental problems of space flight mechanics, building blocks of any attempt to participate successfully in these competitions, and we describe the use of the open source software PyKEP to solve them. In the second part, we formulate an instance of a multiple asteroid rendezvous problem, related to the 7th edition of the competition, and we show step by step how to build a possible solution strategy. In doing so, we introduce two new techniques useful in the design of this particular mission type: the use of an asteroid phasing value and its surrogates and the efficient computation of asteroid clusters. We show how the basic building blocks, sided to these innovative ideas, allow designing an effective global search for possible trajectories.

Keywords: Interplanetary trajectory optimization; Phasing indicators; Orbit clustering; Multi-objective tree search; Multiple-asteroid rendezvous; GTOC (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/978-3-319-41508-6_6

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