Low-thrust trajectory optimization procedure for gravity-assist, outer-planet missions

Byoungsam Woo; Victoria L. Coverstone; Michael Cupples

doi:10.2514/1.14665

Low-thrust trajectory optimization procedure for gravity-assist, outer-planet missions

Byoungsam Woo, Victoria L. Coverstone, Michael Cupples

Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

A hybrid trajectory optimization procedure for a class of solar-electric-propulsion, gravity-assist, outer-planet missions is presented. The parameter space of a target mission is often nonconvex and a calculus-of-variations-based optimization algorithm suffers difficulties efficiently exploring this space. A hybrid procedure using a genetic algorithm to drive a calculus-of-variations program is developed to automate searching over a reduced parameter space. Employing the hybrid procedure, the delivered mass profiles of a Uranus and Pluto mission are generated more quickly than by using the calculus-of-variations optimization algorithm alone.

Original language	English (US)
Pages (from-to)	121-129
Number of pages	9
Journal	Journal of Spacecraft and Rockets
Volume	43
Issue number	1
DOIs	https://doi.org/10.2514/1.14665
State	Published - 2006

ASJC Scopus subject areas

Aerospace Engineering
Space and Planetary Science

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10.2514/1.14665

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abstract = "A hybrid trajectory optimization procedure for a class of solar-electric-propulsion, gravity-assist, outer-planet missions is presented. The parameter space of a target mission is often nonconvex and a calculus-of-variations-based optimization algorithm suffers difficulties efficiently exploring this space. A hybrid procedure using a genetic algorithm to drive a calculus-of-variations program is developed to automate searching over a reduced parameter space. Employing the hybrid procedure, the delivered mass profiles of a Uranus and Pluto mission are generated more quickly than by using the calculus-of-variations optimization algorithm alone.",

author = "Byoungsam Woo and Coverstone, {Victoria L.} and Michael Cupples",

note = "Funding Information: The work described in this paper was supported by Science Applications International Corporation under contract with the NASA Marshall Space Flight Center (MSFC). Special thanks go to Les Johnson, Manager of NASA MSFC In-Space Propulsion Technology Investment Projects, and Randy Baggett, Manager of NASA MSFC Next Generation Electric Propulsion Technology Area, for providing encouragement and direction for this work.",

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Low-thrust trajectory optimization procedure for gravity-assist, outer-planet missions

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