Decentralized Control of Satellite Clusters Under Limited Communication

Two decentralized control algorithms, each employing a unique information exchange scheme, are considered. One of these algorithms employs a communication paradigm in which control and local state estimate information is exchanged between members of a formation after any one of the members executes...

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Bibliographic Details
Published in:Journal of guidance, control, and dynamics control, and dynamics, 2006-01, Vol.29 (1), p.134-145
Main Authors: Belanger, Gene M, Ananyev, Slava, Speyer, Jason L, Chichka, David F, Carpenter, J Russell
Format: Article
Language:English
Subjects:
Aerospace engineering
Applied sciences
Communication
Computer science
control theory
systems
Control algorithms
Control system synthesis
Control theory. Systems
Decentralized control
Dynamic programming
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Ground stations
Information sharing
Physics
Random variables
Satellites
Solid dynamics (ballistics, collision, multibody system, stabilization...)
Solid mechanics
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Summary:Two decentralized control algorithms, each employing a unique information exchange scheme, are considered. One of these algorithms employs a communication paradigm in which control and local state estimate information is exchanged between members of a formation after any one of the members executes a control. The other algorithm requires only that control information be exchanged between members; this is thought to be the least information exchange that can sustain an affine control law. The performance of these algorithms when applied to a satellite formation control problem is evaluated. To this end, the algorithms are applied in the context of a nonlinear satellite cluster simulation, where Earth oblateness effects and measurement uncertainties are taken into account. The cluster is required to achieve a specified formation at a defined point on an elliptic reference orbit. Simulation results are obtained for several different orbits and compared to a baseline case involving a centralized controller design.
ISSN:0731-5090
1533-3884
DOI:10.2514/1.13233