Torque Mode-Based Flywheel System For Small Satellite Attitude Control

One of the most important problems in satellite design is that of attitude control. An architecture of attitude control for small satellite using flywheel system is proposed. This flywheel system can combinedly perform both the energy and attitude control task that are the crucial area for all ty...

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Main Author: Mehedi, Ibrahim Mustapa
Format: Thesis
Language:English
Published: 2005
Subjects:
Online Access:http://psasir.upm.edu.my/id/eprint/6064/1/FK_2005_50.pdf
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spelling my-upm-ir.60642023-01-13T02:49:59Z Torque Mode-Based Flywheel System For Small Satellite Attitude Control 2005-05 Mehedi, Ibrahim Mustapa One of the most important problems in satellite design is that of attitude control. An architecture of attitude control for small satellite using flywheel system is proposed. This flywheel system can combinedly perform both the energy and attitude control task that are the crucial area for all types of satellites. Combining the conventional energy and attitude control system is a feasible solution for small satellites to improve the space missions. In this combined energy and attitude control system (CEACS) a double rotating flywheel in the pitch axis is used to replace the conventional battery for energy storage as well as to control the attitude of an earth oriented satellite. Each flywheel is to be controlled in the torque mode. The energy and attitude inputs for the flywheels' control architecture are also in the torque mode. All related mathematical representations along with the relevant transfer functions are developed. The required numerical calculations are performed using at lab^^ for studying the system performances. The goals of this work are to determine the CEACS attitude performance in the torque mode with respect to the ideal and non-ideal test cases for chosen reference missions, i.e., Nanosatellite (10 kg), Microsatellite (50 kg) and Enhanced Microsatellite (100 kg). The test results concerning to the entire satellite test cases are satisfactory and the ideallnon-ideal CEACS attitude performances coincide with the reference mission requirements. The simulation results show that the torque mode CEACS is able to achieve a good pointing error for small satellites. Flywheel Satellite 2005-05 Thesis http://psasir.upm.edu.my/id/eprint/6064/ http://psasir.upm.edu.my/id/eprint/6064/1/FK_2005_50.pdf text en public masters Universiti Putra Malaysia Flywheel Satellite Engineering
institution Universiti Putra Malaysia
collection PSAS Institutional Repository
language English
topic Flywheel
Satellite

spellingShingle Flywheel
Satellite

Mehedi, Ibrahim Mustapa
Torque Mode-Based Flywheel System For Small Satellite Attitude Control
description One of the most important problems in satellite design is that of attitude control. An architecture of attitude control for small satellite using flywheel system is proposed. This flywheel system can combinedly perform both the energy and attitude control task that are the crucial area for all types of satellites. Combining the conventional energy and attitude control system is a feasible solution for small satellites to improve the space missions. In this combined energy and attitude control system (CEACS) a double rotating flywheel in the pitch axis is used to replace the conventional battery for energy storage as well as to control the attitude of an earth oriented satellite. Each flywheel is to be controlled in the torque mode. The energy and attitude inputs for the flywheels' control architecture are also in the torque mode. All related mathematical representations along with the relevant transfer functions are developed. The required numerical calculations are performed using at lab^^ for studying the system performances. The goals of this work are to determine the CEACS attitude performance in the torque mode with respect to the ideal and non-ideal test cases for chosen reference missions, i.e., Nanosatellite (10 kg), Microsatellite (50 kg) and Enhanced Microsatellite (100 kg). The test results concerning to the entire satellite test cases are satisfactory and the ideallnon-ideal CEACS attitude performances coincide with the reference mission requirements. The simulation results show that the torque mode CEACS is able to achieve a good pointing error for small satellites.
format Thesis
qualification_level Master's degree
author Mehedi, Ibrahim Mustapa
author_facet Mehedi, Ibrahim Mustapa
author_sort Mehedi, Ibrahim Mustapa
title Torque Mode-Based Flywheel System For Small Satellite Attitude Control
title_short Torque Mode-Based Flywheel System For Small Satellite Attitude Control
title_full Torque Mode-Based Flywheel System For Small Satellite Attitude Control
title_fullStr Torque Mode-Based Flywheel System For Small Satellite Attitude Control
title_full_unstemmed Torque Mode-Based Flywheel System For Small Satellite Attitude Control
title_sort torque mode-based flywheel system for small satellite attitude control
granting_institution Universiti Putra Malaysia
granting_department Engineering
publishDate 2005
url http://psasir.upm.edu.my/id/eprint/6064/1/FK_2005_50.pdf
_version_ 1776100257509146624