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Rendezvous and Attitude Synchronization of a Space Manipulator
, M.R. Emami
Published in Springer New York
2019
Volume: 66
   
Issue: 1
Pages: 100 - 120
Abstract
The control of a spacecraft equipped with a six-degree-of-freedom robot manipulator is studied in this paper. The objective is to rendezvous and synchronize with a satellite to facilitate inspection, servicing or de-orbiting. The space manipulator dynamics model with global parameterization on the configuration manifold is derived and used for designing asymptotically-stable control laws, so that they are valid globally in the configuration manifold. The control system consists of a sliding-mode rendezvous controller as well as a geometric attitude synchronization and a model-based servo control for the robot manipulator. The gains of the sliding-mode controller dictate a user-defined upper-bound on the thrust force. The attitude synchronization controller, concurrently with the rendezvous controller, is capable of micro-orbiting the space manipulator around spinning or tumbling satellites. It is observed through the simulations that the controller consumes limited amount of propellant, and it is feasible to use it for either a re-fueling (larger mass) or a de-orbiting (smaller mass) space manipulator. © 2019, American Astronautical Society.
About the journal
JournalData powered by TypesetJournal of the Astronautical Sciences
PublisherData powered by TypesetSpringer New York
ISSN00219142