@MastersThesis{Gonçalves:2013:MaOrSa,
author = "Gon{\c{c}}alves, Liana Dias",
title = "Manobras orbitais de satelites artificiais lunares com
aplica{\c{c}}{\~a}o de propuls{\~a}o cont{\'{\i}}nua",
school = "Instituto Nacional de Pesquisas Espaciais (INPE)",
year = "2013",
address = "S{\~a}o Jos{\'e} dos Campos",
month = "2013-02-28",
keywords = "perturba{\c{c}}{\~a}o, elementos orbitais, propuls{\~a}o
cont{\'{\i}}nua, manobras orbitais, pertubation, orbital
elements, continuous thrust, orbital manuvers.",
abstract = "S{\~a}o realizados estudos avaliando a influ{\^e}ncia do
potencial gravitacional e do albedo lunar sobre a {\'o}rbita de
um sat{\'e}lite artificial. O potencial gravitacional {\'e}
modelado por meio de harm{\^o}nicos esf{\'e}ricos, de acordo com
o modelo apresentado em Konopliv (2001), e o albedo lunar {\'e}
calculado a partir de adapta{\c{c}}{\~o}es no modelo apresentado
em Rocco (2008a, 2009a). O modelo do albedo fornece o incremento
de velocidade aplicado ao sat{\'e}lite devido {\`a} for{\c{c}}a
causada pelo albedo lunar e o modelo do potencial gravitacional
fornece as componentes x, y e z para a acelera{\c{c}}{\~a}o da
gravidade em cada instante de tempo ao longo da {\'o}rbita de um
sat{\'e}lite artificial, sendo poss{\'{\i}}vel considerar os
harm{\^o}nicos esf{\'e}ricos at{\'e} grau e ordem 100. A partir
da compara{\c{c}}{\~a}o da acelera{\c{c}}{\~a}o gravitacional
de um campo central e da acelera{\c{c}}{\~a}o gerada pelo campo
fornecido pelo modelo de Konopliv pode ser obtida a
varia{\c{c}}{\~a}o da velocidade perturbadora aplicada ao
ve{\'{\i}}culo, possibilitando, por meio da solu{\c{c}}{\~a}o
do problema inverso, a obten{\c{c}}{\~a}o dos elementos
keplerianos que caracterizam a {\'o}rbita do sat{\'e}lite
artificial, afim de que seja feita uma an{\'a}lise do movimento
orbital. Manobras de transfer{\^e}ncia e corre{\c{c}}{\~a}o
orbitais de sat{\'e}lites lunares s{\~a}o simuladas considerando
as perturba{\c{c}}{\~o}es citadas, utilizando empuxo
cont{\'{\i}}nuo e controle de trajet{\'o}ria em malha fechada.
As simula{\c{c}}{\~o}es s{\~a}o realizadas utilizando o
simulador de trajet{\'o}ria \textit{Spacecraft Trajectory
Simulator- STRS}, Rocco (2008b), em que s{\~a}o avaliados o
comportamento dos elementos orbitais, o consumo de
combust{\'{\i}}vel e o empuxo aplicado ao sat{\'e}lite ao longo
do tempo. ABSTRACT: The studies evaluating the influence of the
gravitational potential and the lunar albedo on the orbit of an
artificial satellite are presented. The gravitational potential is
modeled by spherical harmonics, in accordance with the model shown
in Konopliv (2001) and the lunar albedo is calculated using a
model presented in Rocco (2008a, 2009a) adapted to the Moon. The
albedo model provides the velocity increment applied to the
satellite due to the force caused by the lunar albedo and the
model of gravitational potential provides the components x, y and
z for the acceleration of gravity at each instant of time along
the orbit of an artificial satellite. It allows to consider the
spherical harmonics up to degree and order 100. From the
comparison of the gravitational acceleration of a central field
and the acceleration generated by the field provided by the
Konopliv model the disturbing velocity variation applied to the
vehicle can be obtained. Through the solution of the inverse
problem, that provides the Keplerian elements of the orbit, an
analysis of the orbital motion is made. Transfer maneuvers and
orbital correction of lunar satellites are simulated considering
the mentioned disturbances using continuous thrust and trajectory
control in closed loop. The simulations are performed using the
simulator \textquotedblleft{\textit{Spacecraft Trajectory
Simulator-STRS}}\textquotedblright, Rocco (2008b), which assess
the behavior of the orbital elements, the fuel consumption and the
thrust applied to the satellite over the time.",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)}",
committee = "Prado, Antonio Fernando Bertachini de Almeida (presidente) and
Rocco, Evandro Marconi (orientador) and Moraes, Rodolpho Vilhena
(orientador) and Chiaradia, Ana Paula Marins",
copyholder = "SID/SCD",
englishtitle = "Orbital maneuvers of artificial lunar satellite with continuous
thrust application",
language = "pt",
pages = "301",
ibi = "8JMKD3MGP7W/3DL2KKS",
url = "http://urlib.net/ibi/8JMKD3MGP7W/3DL2KKS",
targetfile = "publicacao.pdf",
urlaccessdate = "11 maio 2024"
}