Stable attitude dynamics of planar helio-stable and drag-stable sails
In this paper the planar orbit and attitude dynamics of an uncontrolled spacecraft is studied, taking on-board a deorbiting device. Solar and drag sails with the same shape are considered and separately studied. In both cases, these devices are assumed to have a simplified pyramidal shape that endow...
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| Main Authors | , |
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| Format | Journal Article |
| Language | English |
| Published |
16.07.2019
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| Subjects | |
| Online Access | Get full text |
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| Summary: | In this paper the planar orbit and attitude dynamics of an uncontrolled
spacecraft is studied, taking on-board a deorbiting device. Solar and drag
sails with the same shape are considered and separately studied. In both cases,
these devices are assumed to have a simplified pyramidal shape that endows the
spacecraft with helio and drag stable properties. The translational dynamics is
assumed to be planar and hence the rotational dynamics occurs only around one
of the principal axes of the spacecraft. Stable or slowly-varying attitudes are
studied, subject to disturbances due to the Earth oblateness effect and gravity
gradient torques, and either solar radiation pressure or atmospheric drag
torque and acceleration. The results are analysed with respect to the aperture
of the sail and the center of mass - center of pressure offset. |
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| DOI: | 10.48550/arxiv.1907.06908 |