Control for the Space Tether System Motion

This paper proposed a study of a spatial tether system (STS), composed by two satellite (a main satellite and a subsatellite), with the objective of developing a control system in which the motion of the subsatellite is limited in the orbital plane of the main satellite. The linear quadratic regulat...

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Main Authors: Maria Cecilia Zanardi, Paola da Rosa Prado, Leandro Baroni
Format: Article
Language:English
Published: Instituto de Aeronáutica e Espaço (IAE) 2020-11-01
Series:Journal of Aerospace Technology and Management
Subjects:
Online Access:http://www.jatm.com.br/ojs/index.php/jatm/article/view/1147/865
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author Maria Cecilia Zanardi
Paola da Rosa Prado
Leandro Baroni
author_facet Maria Cecilia Zanardi
Paola da Rosa Prado
Leandro Baroni
author_sort Maria Cecilia Zanardi
collection DOAJ
description This paper proposed a study of a spatial tether system (STS), composed by two satellite (a main satellite and a subsatellite), with the objective of developing a control system in which the motion of the subsatellite is limited in the orbital plane of the main satellite. The linear quadratic regulator (LQR) method is used to implement this control, which is an optimal control with state feedback to predict the linearization of the equations of motion to calculate the feedback gain, using the resolution of Riccati equation. The results show an effective control, with the motion of the subsatellite limited only to the stretch of the cable that links both satellites. However, it is necessary to introduce an auxiliary torque, since the linearized equation associated with the second variation of the angle out of the plan does not have a term independent of the state vector.
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spelling doaj.art-ab0b68c5b05f4b799988cf7d9a2dde032022-12-22T02:15:23ZengInstituto de Aeronáutica e Espaço (IAE)Journal of Aerospace Technology and Management1984-96482175-91462020-11-0112se105116http://dx.doi.org/10.5028/jatm.cab.1157Control for the Space Tether System MotionMaria Cecilia Zanardi0Paola da Rosa Prado1Leandro Baroni2Universidade Federal do ABCUniversidade Federal do ABCUniversidade Federal do ABCThis paper proposed a study of a spatial tether system (STS), composed by two satellite (a main satellite and a subsatellite), with the objective of developing a control system in which the motion of the subsatellite is limited in the orbital plane of the main satellite. The linear quadratic regulator (LQR) method is used to implement this control, which is an optimal control with state feedback to predict the linearization of the equations of motion to calculate the feedback gain, using the resolution of Riccati equation. The results show an effective control, with the motion of the subsatellite limited only to the stretch of the cable that links both satellites. However, it is necessary to introduce an auxiliary torque, since the linearized equation associated with the second variation of the angle out of the plan does not have a term independent of the state vector.http://www.jatm.com.br/ojs/index.php/jatm/article/view/1147/865spatial tether systemcontrollqr method
spellingShingle Maria Cecilia Zanardi
Paola da Rosa Prado
Leandro Baroni
Control for the Space Tether System Motion
Journal of Aerospace Technology and Management
spatial tether system
control
lqr method
title Control for the Space Tether System Motion
title_full Control for the Space Tether System Motion
title_fullStr Control for the Space Tether System Motion
title_full_unstemmed Control for the Space Tether System Motion
title_short Control for the Space Tether System Motion
title_sort control for the space tether system motion
topic spatial tether system
control
lqr method
url http://www.jatm.com.br/ojs/index.php/jatm/article/view/1147/865
work_keys_str_mv AT mariaceciliazanardi controlforthespacetethersystemmotion
AT paoladarosaprado controlforthespacetethersystemmotion
AT leandrobaroni controlforthespacetethersystemmotion