Approximate Solutions in Space Mission Design

  • Authors:
  • Oliver Schütze;Massimiliano Vasile;Carlos A. Coello Coello

  • Affiliations:
  • CINVESTAV-IPN, Computer Science Department, Mexico City, Mexico;Department of Aerospace Engineering, University of Glasgow, Glasgow, Scotland;CINVESTAV-IPN, Computer Science Department, Mexico City, Mexico

  • Venue:
  • Proceedings of the 10th international conference on Parallel Problem Solving from Nature: PPSN X
  • Year:
  • 2008

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Abstract

In this paper, we address multi-objective space mission design problems. We argue that it makes sense from the practical point of view to consider in addition to the `optimal' trajectories (in the Pareto sense) also approximate or nearly optimal solutions since this can lead to a significant larger variety for the decision maker. For this, we suggest a novel MOEA which is a modification of the well-known NSGA-II algorithm equipped with a recently proposed archiving strategy which aims for the storage of the set of approximate solution of a given MOP. Using this algorithm we will examine several space missions and demonstrate the benefit of the novel approach.