An attitude model for a general spinning solar sail spacecraft under the influence of solar radiation pressure is presented. This model, called “Generalized Spinning Sail Model”, can be applied to realistic sails with nonflat surfaces that have nonuniform optical properties. The unique behaviors predicted by the generalized spinning sail model are verified by actual operation of the Japanese spinning solar sail spacecraft IKAROS. It is shown how imperfections in the sail surface affect the attitude motion of spinning sails, and a compact mathematical model that can precisely reproduce the spin-averaged motion of the spinning sails is derived. The stability conditions and a reduced model that preserves the key characteristics of the generalized spinning sail model are also derived to reveal the unique properties of the attitude behavior of spinning sails.
Generalized Attitude Model for Spinning Solar Sail Spacecraft
Journal of Guidance, Control, and Dynamics ; 36 , 4 ; 967-974
2013-06-07
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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