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Control of an orbiting flexible square platform in the presence of solar radiationAn analysis is made of the dynamics of a thin, homogeneous, flexible square plate exposed to solar radiation disturbance. It is shown that only the first three flexible modes of the plate generate a first order net moment about the center of mass and that the solar radiation pressure does not influence the flexible modes of the plate for small-amplitude vibrations. In the absence of control, for a symmetrical homogeneous square platform, the solar radiation induces a steady angular drift about one of the body principal axes. For extremely flexible platforms, nominally oriented in the local horizontal plane, appreciable rigid modal amplitudes can be induced due to solar radiation, even in the presence of both active and passive control. Optimal control law and feedback gain values are obtained using linear quadratic Gaussian methods.
Document ID
19860027072
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Bainum, P. M.
(Howard Univ. Washington, DC, United States)
Krishna, R.
(Howard University Washington, DC, United States)
Date Acquired
August 12, 2013
Publication Date
September 1, 1985
Publication Information
Publication: Acta Astronautica
Volume: 12
ISSN: 0094-5765
Subject Category
Spacecraft Design, Testing And Performance
Accession Number
86A11810
Funding Number(s)
CONTRACT_GRANT: NSG-1414
Distribution Limits
Public
Copyright
Other

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