2nd April 2015
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| | A preprint entitled "Dual-spin satellite angular motion in magnetic and gravitational fields" is now available. In this
paper dual-spin satellite equipped with a flywheel having
high angular rate and/or mass is considered. The paper deals with transient motion first. Magnetic attitude control system
is used for angular velocity damping purpose. Flywheel is considered in operational
mode all the time, since its spinning phase may be omitted and arising angular rate
dealt with instead. Time-response is characterized with approximate characteristic
exponent values. Nominal gravitational attitude accuracy is assessed. Control
algorithm for arbitrary in-plane attitude is proposed and relevant accuracy is
estimated.
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