Controllability Properties of Solar Sails
Journal of Guidance, Control, and Dynamics, ISSN: 1533-3884, Vol: 46, Issue: 5, Page: 900-909
2023
- 4Citations
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Most Recent News
New Aerospace Research Study Findings Recently Were Reported by Researchers at University of Cote d'Azur (Controllability Properties of Solar Sails)
2023 MAR 03 (NewsRx) -- By a News Reporter-Staff News Editor at Defense & Aerospace Daily -- Investigators publish new report on Aerospace Research. According
Article Description
Trajectory design and stationkeeping of solar sails about a celestial body can be formulated as control problems with positivity constraints. Specifically, when reemitted radiation is neglected and the sail is modeled as a flat surface, which are reasonable assumptions for control purposes, the force generated by the solar radiation pressure is contained in a pointed convex cone of revolution with the axis in the sun–satellite direction. Therefore, classical approaches to infer controllability based on the Lie algebra rank condition do not apply to these problems. This study offers a novel condition to decide on controllability of control systems with positivity constraints. This condition is effective because it can be verified by solving an auxiliary convex optimization problem for which reliable numerical methods are available. A crucial ingredient of this approach is the theory of positive trigonometric polynomials. The practical interest of this condition is the assessment of a minimum requirement on the optical properties of the sail, which may be of use for mission design purposes.
Bibliographic Details
American Institute of Aeronautics and Astronautics (AIAA)
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