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4 - Elements of a Software System for Spacecraft Trajectory Optimization

Published online by Cambridge University Press:  06 December 2010

By
Cesar Ocampo
Edited by
Bruce A. Conway
Cesar Ocampo
Affiliation:
Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Texas
Bruce A. Conway
Affiliation:
University of Illinois, Urbana-Champaign
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Summary

Introduction

This chapter presents the main elements associated with a general spacecraft trajectory design and optimization software system. A unified framework is described that facilitates the modeling and optimization of spacecraft trajectories that may operate in complex gravitational force fields, use multiple propulsion systems, and involve multiple spacecraft. The ideas presented are simple and practical and are based in part on the existing wealth of knowledge documented in the open literature and the author's experience in developing software systems of this type.

The goal of any general trajectory design and optimization system is to facilitate the solution to a wide range of problems in a robust and efficient manner. A trade off exists between scope and depth. An attempt is made to strike a balance between the two and describe an approach that has proven to be robust and useful for a broad range of spacecraft trajectory design problems. The ideas and techniques presented here have been implemented in a working operational system known as Copernicus. This system has been used to support the detailed and comprehensive mission design studies associated with NASA's Constellation program. It has also been used to design and optimize the LCROSS mission trajectory which was launched on June 18, 2009.

Type
Chapter
Information
Spacecraft Trajectory Optimization , pp. 79 - 111
Publisher: Cambridge University Press
Print publication year: 2010

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References

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