Abstract
A system design concept is presented for the unloading of wheel momentum with double gimbaled solar arrays on satellites, where momentum control and optimal power generation are combined. The unloading makes use of the gravity gradient torque. The dynamic equations of the external torques and the satellite dynamics are derived to establish a system model. An optimal controller is designed and an overall analytic model is established for fast system solution. Several system design parameters are identified during the model definition. Feasibility of the concept will be demonstrated by closedloop optimization of the established system design parameters. High power generation capability will be demonstrated with simultaneous momentum management.
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