Optimal motion planning for dual-spacecraft interferometry

We address the question of design and optimal control of a class of dual-spacecraft interferometric imaging formations. The first main contribution is that we combine two ideas introduced separately in the literature and propose a maneuver that offers improved imaging performance. We then formulate...

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Bibliographic Details
Published in:IEEE transactions on aerospace and electronic systems 2007-04, Vol.43 (2), p.723-737
Main Authors: Hussein, Scheeres, D., Bloch, A., Hyland, D., McCLAMROCH, N.H.
Format: Article
Language:English
Subjects:
Aerodynamics
Aerospace engineering
Fuel consumption
Fuels
High-resolution imaging
Image resolution
Imaging
Maneuvers
Motion planning
Observatories
Optical imaging
Optical interferometry
Optimal control
Optimization
Space vehicles
Trajectories
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Summary:We address the question of design and optimal control of a class of dual-spacecraft interferometric imaging formations. The first main contribution is that we combine two ideas introduced separately in the literature and propose a maneuver that offers improved imaging performance. We then formulate an optimal control problem to minimize fuel consumption and maximize image quality by minimizing the relative speed, which is proportional to the signal-to-noise ratio (SNR) of the reconstructed image. We show that the necessary conditions are also sufficient and that the resulting optimal control is unique. Finally, we apply a continuation method to solve for the unique optimal trajectory.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.2007.4285364