@Article{Rocco:2015:GrDiGe,
author = "Rocco, Evandro Marconi",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)}",
title = "Gravitational disturbances generated by the Sun, Phobos and Deimos
in orbital maneuvers around Mars with automatic correction of the
semi-major axis",
journal = "Journal of Physics. Conference Series",
year = "2015",
volume = "641",
pages = "012027",
keywords = "Astrodynamics, Orbital Maneuvers, Orbital Transfer.",
abstract = "The objective of this work is to analyze orbital maneuvers of a
spacecraft orbiting Mars, considering disturbance effects due to
the gravitational attraction of the Sun, Phobos and Deimos, beyond
the disturbances due to the gravitational potential of Mars. To
simulate the trajectory, constructive aspects of the propulsion
system were considered. Initially ideal thrusters, capable of
applying infinite magnitude of the thrust, were used. Thus,
impulsive optimal maneuvers were obtained by scanning the
solutions of the Lamberts problem in order to select the maneuver
of minimum fuel consumption. Due to the impossibility of applying
an impulse, the orbital maneuver must be distributed in a
propulsive arc around the position of the impulse given by the
solution of the Lamberts problem. However the effect of the
propulsive arc is not exactly equivalent to the application of an
impulse due to the errors in magnitude and direction of applied
thrust. Therefore, the influence of the thrusters capacity in the
trajectory was evaluated for a more realistic model instead of the
ideal case represented by the impulsive approach. Beyond the
evaluation of the deviation in the orbital path, was considered an
automatic correction of the semi-major axis using continuous low
thrust controlled in closed loop to minimize the error in the
trajectory after the application of the main thrust.",
doi = "10.1088/1742-6596/641/1/012027",
url = "http://dx.doi.org/10.1088/1742-6596/641/1/012027",
issn = "1742-6588",
label = "lattes: 0088337156908774 1 Rocco:2015:GrDiGe",
language = "pt",
targetfile = "1_rocco2.pdf",
urlaccessdate = "04 dez. 2020"
}