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dc.contributor.advisorLightsey, E. Glennen
dc.creatorMcBryde, Christopher Ryanen
dc.date.accessioned2012-06-12T17:36:34Zen
dc.date.available2012-06-12T17:36:34Zen
dc.date.issued2012-05en
dc.date.submittedMay 2012en
dc.identifier.urihttp://hdl.handle.net/2152/ETD-UT-2012-05-4608en
dc.descriptiontexten
dc.description.abstractThis research outlines a low-cost, low-power, arc-minute accurate star tracker that is designed for use on a CubeSat. The device is being developed at the University of Texas at Austin for use on two different 3-unit CubeSat missions. The hardware consists of commercial off-the-shelf parts designed for use in industrial machine vision systems and employs a 1024x768 grey-scale charge coupled device (CCD) sensor. The software includes the three standard steps in star tracking: centroiding, star identification, and attitude determination. Centroiding algorithms were developed in-house. The star identification code was adapted from the voting method developed by Kolomenkin, et al. Attitude determination was performed using Markley's singular value decomposition method. The star tracker was then tested with internal simulated star-fields. The resulting accuracy was less than an arcminute. It was concluded that this system is a viable option for CubeSats looking to improve their attitude determination. On-orbit demonstration of the system is planned when the star tracker flies on the planned CubeSat missions in 2013 or later. Further testing with external simulated star fields and night sky tests are also planned.en
dc.format.mimetypeapplication/pdfen
dc.language.isoengen
dc.subjectStar trackeren
dc.subjectStar cameraen
dc.subjectCubeSaten
dc.subjectAttitude determinationen
dc.subjectSatelliteen
dc.subjectSmall satelliteen
dc.titleA star tracker design for CubeSatsen
dc.date.updated2012-06-12T17:36:43Zen
dc.identifier.slug2152/ETD-UT-2012-05-4608en
dc.contributor.committeeMemberD'Souza, Christopheren
dc.description.departmentAerospace Engineeringen
dc.type.genrethesisen
thesis.degree.departmentAerospace Engineeringen
thesis.degree.disciplineAerospace Engineeringen
thesis.degree.grantorUniversity of Texas at Austinen
thesis.degree.levelMastersen
thesis.degree.nameMaster of Science in Engineeringen


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