Spinning solar sail orbit steering via spin rate control

Details Spinning solar sail orbit steering via spin rate control Spinning solar sail orbit steering via spin rate control

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011adspr..48.1810m&link_type=abstract

Advances in Space Research, Volume 48, Issue 11, p. 1810-1821.

Computer Science

Scientific paper

The orbit of a solar sail can be controlled by changing the attitude of the spacecraft. In this study, we consider the spinning solar power sail IKAROS (Interplanetary Kite-craft Accelerated by Radiation Of the Sun), which is managed by Japan Aerospace Exploration Agency (JAXA). The IKAROS attitude, i.e., the direction of its spin-axis, is nominally controlled by the rhumb-line control method. By utilizing the solar radiation torque, however, we are able to change the direction of the spin-axis by only controlling its spin rate. With this spin rate control, we can also control indirectly the solar sail's trajectory. The main objective of this study is to construct the orbit control strategy of the solar sail via the spin-rate control method. We evaluate this strategy in terms of its propellant consumption compared to the rhumb-line control method. Finally, we present the actual flight attitude data of IKAROS and the change of its trajectory.

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