Simulation of Small Satellite Performance Using Improved Attitude Determination and Control Hardware

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dc.contributor.advisorLee, Regina
dc.contributor.authorKeum, Ki Hwan
dc.date.accessioned2022-08-08T15:51:17Z
dc.date.available2022-08-08T15:51:17Z
dc.date.copyright2022-03-04
dc.date.issued2022-08-08
dc.date.updated2022-08-08T15:51:17Z
dc.degree.disciplineEarth & Space Science
dc.degree.levelMaster's
dc.degree.nameMSc - Master of Science
dc.description.abstractIn this research, the attitude determination and control system (ADCS) of a small satellite is examined through a series of simulation analysis using MATLAB and Simulink. The attitude determination component involves a sub-pixel interpolated digital sun sensor that is examined through day-in-the-life analysis while the attitude control component involves a single gimbal control moment gyroscope (SGCMG) pyramid cluster examined using torque profiles of two coastline observation scenarios. Results show that the digital sun sensor improves determination capabilities up to sensor accuracy of 0.027 degrees with diminishing returns thereafter. The SGCMG pyramid cluster meets the requested torque profiles with less than 0.3 degrees of pointing error throughout the sweep. The impact of sensors on attitude determination and viability of the SGCMG cluster over reaction wheels provide a promising alternative for ACS design for small satellites where control accuracy and agility have been limited by existing attitude sensors and actuators.
dc.identifier.urihttp://hdl.handle.net/10315/39618
dc.languageen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectEngineering
dc.subject.keywordsSmall satellites
dc.subject.keywordsAttitude determination and control
dc.subject.keywordsControl moment gyroscope
dc.subject.keywordsSimulation
dc.subject.keywordsSimulink
dc.subject.keywordsCoastline observation
dc.subject.keywordsSTK
dc.titleSimulation of Small Satellite Performance Using Improved Attitude Determination and Control Hardware
dc.typeElectronic Thesis or Dissertation

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