Abstract
Background: The problems of putting a space robot into a geostationary orbit using a combined scheme and its approach to a geostationary satellite are considered. The authors’ previous results on this topic are briefly analyzed.
Objective: The paper deals with three problems: further development of a rational strategy for the robot’s add-launching on geostationary orbit and its approaching target using a plasma electric propulsion unit only; synthesis of the guidance and control laws; a nonlinear dynamical analysis of the robot’s attitude and orbit control system during these modes.
Methods: The developed methods and algorithms are based on the local optimizing the fuel consumption of the plasma electric propulsion unit during each inter-orbital flight of a space robot.
Results: Simulation results on the guidance and control algorithms are presented that demonstrate their effectiveness.
Conclusion: The breakthroughs are as follows: original strategy of add-launching and forecasting the influence of gravitational disturbances as well as solar pressure forces when synthesizing a robot’s guidance law for its inter-orbital flights.
Keywords: Space robot, additional launching, geostationary satellite, approaching, orbit control, algorithms.
Graphical Abstract
[http://dx.doi.org/10.1016/S1474-6670(17)32145-6]
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