Formation Control Problems for Decentralized Spacecraft Systems
Author(s)
Douglass, Eric J.
Holzinger, Marcus J.
McMahon, Jay W.
Jaunzemis, Andris
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Abstract
This paper investigates controlling spacecraft formations, as opposed to individual
spacecraft information, with the intent to determine whether Leader-
Follower formations are error- or fuel-optimal. An formation optimal control
problem is developed wherein formation slots and spacecraft barycenter
weights are the formation control variables. Restricted formation control problems
are presented which investigate the effect of controlling the individual
spacecraft barycenter weights based on minimum Lyapunov formation error
and also based on minimum fuel costs. It is shown that a Democratic formation
works well with no a-priori knowledge of the formation state or orbit elements.
Further, detailed simulation results suggest that Democratic formations
tend to have lower overall fuel usage than strict Leader-Follower formations.
Conclusions and future work are discussed.
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Date
2013-08
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Text
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