Magnetic desaturation of spacecraft momentum

Jack J. Rodden; James S. Kim

doi:10.1117/12.178984

5 July 1994 Magnetic desaturation of spacecraft momentum

Jack J. Rodden, James S. Kim

Proceedings Volume 2221, Acquisition, Tracking, and Pointing VIII; (1994) https://doi.org/10.1117/12.178984
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

This paper shows the use and capability of magnetic desaturation for momentum management of relatively low altitude orbiting satellites. A multi-dipole model is presented which is a convenient representation of the Earth's magnetic field. An analytic representation of desaturation capability is derived that is intended for the sizing of magnetic systems. A unique method of magnetic desaturation is presented that uses the full capability of the magnetic system actuators. Simulation results are presented that show the effectiveness of employing this magnetic desaturation method on a satellite subjected to various external disturbances. These results are then compared to the results predicted by the analytical method.

Citation Download Citation

Jack J. Rodden and James S. Kim "Magnetic desaturation of spacecraft momentum", Proc. SPIE 2221, Acquisition, Tracking, and Pointing VIII, (5 July 1994); https://doi.org/10.1117/12.178984

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