@Article{FonsecaRadeGoesSale:2017:AtViCo,
author = "Fonseca, Ijar Milagre da and Rade, Domingos A. and Goes, Luiz C.
S. and Sales, Thiago de Paula",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto
Tecnol{\'o}gico de Aeron{\'a}utica (ITA)} and {Instituto
Tecnol{\'o}gico de Aeron{\'a}utica (ITA)} and {Universidade
Federal de Uberl{\^a}ndia (UFU)}",
title = "Attitude and vibration control of a satellite containing flexible
solar arrays by using reaction wheels, and piezoelectric
transducers as sensors and actuators",
journal = "Acta Astronautica",
year = "2017",
volume = "139",
pages = "357--366",
month = "Oct.",
abstract = "The primary purpose of this paper is to provide insight into
control-structure interaction for satellites comprising flexible
appendages and internal moving components. The physical model
considered herein aiming to attend such purpose is a
rigid-flexible satellite consisting of a rigid platform containing
two rotating flexible solar panels. The solar panels rotation is
assumed to be in a sun-synchronous configuration mode. The panels
contain surface-bonded piezoelectric patches that can be used
either as sensors for the elastic displacements or as actuators to
counteract the vibration motion. It is assumed that in the normal
mode operation the satellite platform points towards the Earth
while the solar arrays rotate so as to follow the Sun. The vehicle
moves in a low Earth polar orbit. The technique used to obtain the
mathematical model combines the Lagrangian formulation with the
Finite Elements Method used to describe the dynamics of the solar
panel. The gravity-gradient torque as well as the torque due to
the interaction of the Earth magnetic field and the satellite
internal residual magnetic moment is included as environmental
perturbations. The actuators are three reaction wheels for
attitude control and piezoelectric actuators to control the
flexible motion of the solar arrays. Computer simulations are
performed using the MATLABŪ software package. The following
on-orbit satellite operating configurations are object of
analysis: i) Satellite pointing towards the Earth (Earth
acquisition maneuver) by considering the initial conditions in the
elastic displacement equal to zero, aiming the assessment of the
flexible modes excitation by the referred maneuver; ii) the
satellite pointing towards the Earth with the assumption of an
initial condition different from zero for the flexible motion such
that the attitude alterations are checked against the elastic
motion disturbance; and iii) attitude acquisition accomplished by
taking into account initial conditions different from zero for
both attitude and elastic vibrations. Additionally, the control
efforts for the three cases are compared. Results indicate that
the attitude control is able to excite the solar panels' vibration
modes and vice-versa. The piezoelectric vibration control shows
significant performance improvement when compared to contributions
of the attitude control to the vibration damping.",
doi = "10.1016/j.actaastro.2017.07.018",
url = "http://dx.doi.org/10.1016/j.actaastro.2017.07.018",
issn = "0094-5765",
language = "en",
targetfile = "fonseca_attitude.pdf",
urlaccessdate = "27 abr. 2024"
}