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Inverse solar sail trajectory problem

McInnes, C.R. (2003) Inverse solar sail trajectory problem. Journal of Guidance, Control and Dynamics, 26 (2). pp. 369-371. ISSN 0731-5090

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Abstract

SOLAR sailing has long been considered for a diverse range of future mission applications. Although low-performance solar sails can be utilized for interplanetary transfer using heliocentric spiral trajectories, high-performance solar sails can enable exotic applications using non-Keplerian orbits. A simple example of such an exotic applicationis "levitation,"with the solar radiationpressure accelerationexperiencedby the sail exactly balancing solar gravity. Such a static equilibrium allows the solar sail to remain stationary with respect to the sun, or indeed if the sail is turned edgewise to the sun it will fall sunwards on a rectilinear trajectory. Although this static equilibrium is simple to identify, the question of transfer to it from an Earth escape trajectory remains open. This Note will derive an analytic sail steering law that allows the solar sail is be maneuvered from a circular heliocentric orbit, to a static equilibrium location at the same heliocentric distance. The required trajectory will be deŽ ned a priori with the resulting sail steering law derived from the equations of motion. An inverse trajectory problem is, therefore, being solved.

Item type: Article
ID code: 6238
Keywords: solar sails, guidance systems, space travel, astronautical engineering, Mechanical engineering and machinery, Motor vehicles. Aeronautics. Astronautics
Subjects: Technology > Mechanical engineering and machinery
Technology > Motor vehicles. Aeronautics. Astronautics
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
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Depositing user: Strathprints Administrator
Date Deposited: 12 Jun 2008
Last modified: 29 May 2012 09:57
URI: http://strathprints.strath.ac.uk/id/eprint/6238

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