On the attitude control by thruster of a spinning solar sail and bending moment's effect analysis

Roger Bertran, Osamu Mori, Yuki Takao, Jun'ichiro Kawaguchi

Research output: Contribution to journalConference articlepeer-review

Abstract

The membrane dynamics of spinning solar sails have a special relevance when considering attitude control of the spacecraft. So as to model the system accurately, the bending stiffness of the membrane has been included in the numerical approach, as it is believed to have strong effects on the behavior of the sail. First, this study shows that the influence of the bending moment on the attitude of the sail during its spin axis reorientation should not be neglected. Given the difficulty of measuring the actual bending stiffness of the membrane, finding a control system capable to perform the same regardless of its value is necessary. Therefore, this paper presents a new control system and its corresponding logic to lower the influence of the bending parameter on this attitude maneuver performance. Finally, a frequency analysis on the vibrations arising in the membrane when considering different bending stiffness values is done. This last analysis shows the shift in the natural frequencies obtained, remarking the importance of the bending stiffness when considering the dynamics of a mast-free sail.

Original languageEnglish
Article numberIAC-19_C1_5_3_x49895
JournalProceedings of the International Astronautical Congress, IAC
Volume2019-October
Publication statusPublished - 2019
Externally publishedYes
Event70th International Astronautical Congress, IAC 2019 - Washington, United States
Duration: 2019 Oct 212019 Oct 25

Keywords

  • Attitude Control
  • Bending Stiffness
  • Flexible Structure
  • Multi-Particle Model
  • Solar Sail
  • Vibration

ASJC Scopus subject areas

  • Aerospace Engineering
  • Astronomy and Astrophysics
  • Space and Planetary Science

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