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Search space pruning and global optimisation of multiple gravity assist spacecraft trajectories

Research output: Contribution to journalArticle

We introduce and describe the Multiple Gravity Assist problem, a global optimisation problem that is of great interest in the design of spacecraft and their trajectories. We discuss its formalization and we show, in one particular problem instance, the performance of selected state of the art heuristic global optimisation algorithms. A deterministic search space pruning algorithm is then developed and its polynomial time and space complexity derived. The algorithm is shown to achieve search space reductions of greater than six orders of magnitude, thus reducing significantly the complexity of the subsequent optimisation.
Original languageEnglish
Pages (from-to)283-296
Number of pages14
JournalJournal of Global Optimization
Volume38
Issue number2
Publication statusPublished - 22 Nov 2007

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