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KIAM Preprint  2, Moscow, 2018
Authors: Ignatov A.I., Sazonov V. V.
Stabilization of spacecraft orbital orientation mode without saturation of on board gyro system
Abstract:
We consider certain modes of orbital orientation of a spacecraft-gyrostat in a low earth orbit. The gyrostatic momentum is produced by a system of reaction wheels or control moment gyros. Our consideration takes into account the gravitational and restoring aerodynamic torques acing on the spacecraft. We construct the control laws by gyrostatic momentum that allow without its growth to maintain a long and sufficiently accurate orbital orientation of the spacecraft near gravity stable and unstable rest position, taking place in the appropriate unperturbed problem (the spacecraft orbit is circular, gyrostatic momentum is zero, the gravitational torque only affects the spacecraft attitude motion).
Keywords:
orbital orientation mode, gravitational torque, gyrostatic momentum, gyro system, saturation
Publication language: russian,  pages: 30
Research direction:
Theoretical and applied problems of mechanics
Russian source text:
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About authors:
  • Ignatov Aleksandr Ivanovich,  ,  . ..
  • Sazonov Victor Vasilyevich,  orcid.org/0000-0003-0032-2483KIAM RAS