Development of an advanced nano-satellite VELOX-I ground station software : sun sensor calibration

Sun sensor Calibration Project is an improvement project of an existing situation. The Nano-Satellite VELOX-I operates on solar energy. Sun sensor detects and determines the position of the sun so that the solar panels of the satellite could be facing the sun and receives solar power to support t...

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Main Author: Lwin, Zun Pwint.
Other Authors: School of Computer Engineering
Format: Final Year Project
Language:English
Published: 2013
Subjects:
Online Access:http://hdl.handle.net/10356/52242
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-522422023-03-03T20:57:21Z Development of an advanced nano-satellite VELOX-I ground station software : sun sensor calibration Lwin, Zun Pwint. School of Computer Engineering Zhang Wei DRNTU::Engineering::Electrical and electronic engineering::Satellite telecommunication Sun sensor Calibration Project is an improvement project of an existing situation. The Nano-Satellite VELOX-I operates on solar energy. Sun sensor detects and determines the position of the sun so that the solar panels of the satellite could be facing the sun and receives solar power to support the satellite. The sun light shines through a pin hole onto the sun sensor. The sun sensor interprets the light beam into 4 voltage outputs. In theory, using the output voltages, the angles of the direction of light beam can be calculated and the satellite will adjust itself to face the sun directly so that the solar panels receive energy at its best. However, it is not possible to achieve 100% accuracy in practical due to manufacturing errors. Even though sun sensors are built according to a standard specification, the slightest of discrepancy such as micro meters could make huge difference in determining the exact direction of the sun. Therefore, calibration is necessary. The existing calibration system gives a position detection error value of up to 1 - 1.5 degree within a field of view of 60degree. The purpose of this project is to decrease the degree of error, increase the field of view, and to make the calibration system simpler and easy for future modification as well. Bachelor of Engineering (Computer Engineering) 2013-04-25T08:29:09Z 2013-04-25T08:29:09Z 2013 2013 Final Year Project (FYP) http://hdl.handle.net/10356/52242 en Nanyang Technological University 75 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Electrical and electronic engineering::Satellite telecommunication
spellingShingle DRNTU::Engineering::Electrical and electronic engineering::Satellite telecommunication
Lwin, Zun Pwint.
Development of an advanced nano-satellite VELOX-I ground station software : sun sensor calibration
description Sun sensor Calibration Project is an improvement project of an existing situation. The Nano-Satellite VELOX-I operates on solar energy. Sun sensor detects and determines the position of the sun so that the solar panels of the satellite could be facing the sun and receives solar power to support the satellite. The sun light shines through a pin hole onto the sun sensor. The sun sensor interprets the light beam into 4 voltage outputs. In theory, using the output voltages, the angles of the direction of light beam can be calculated and the satellite will adjust itself to face the sun directly so that the solar panels receive energy at its best. However, it is not possible to achieve 100% accuracy in practical due to manufacturing errors. Even though sun sensors are built according to a standard specification, the slightest of discrepancy such as micro meters could make huge difference in determining the exact direction of the sun. Therefore, calibration is necessary. The existing calibration system gives a position detection error value of up to 1 - 1.5 degree within a field of view of 60degree. The purpose of this project is to decrease the degree of error, increase the field of view, and to make the calibration system simpler and easy for future modification as well.
author2 School of Computer Engineering
author_facet School of Computer Engineering
Lwin, Zun Pwint.
format Final Year Project
author Lwin, Zun Pwint.
author_sort Lwin, Zun Pwint.
title Development of an advanced nano-satellite VELOX-I ground station software : sun sensor calibration
title_short Development of an advanced nano-satellite VELOX-I ground station software : sun sensor calibration
title_full Development of an advanced nano-satellite VELOX-I ground station software : sun sensor calibration
title_fullStr Development of an advanced nano-satellite VELOX-I ground station software : sun sensor calibration
title_full_unstemmed Development of an advanced nano-satellite VELOX-I ground station software : sun sensor calibration
title_sort development of an advanced nano-satellite velox-i ground station software : sun sensor calibration
publishDate 2013
url http://hdl.handle.net/10356/52242
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