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Aalto-2 Satellite Attitude Control System
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The Attitude Control System for the Aalto-2 satellite was designed and verifiedif it meets the requirements of the QB50 project mission. Attitude control isachieved through the passive atmospheric drag torque stabilization and activecontrol over magnetorquers. For the detumble phase, B ̇ control is used, and fornominal stabilization phase, PD, LQR and SDRE control methods were investi-gated and compared, through the computer simulations. Software algorithms forsolving of Algebraic Matrix Riccati Equation (Schur decomposition and Kleinman)and system tasks were realized for the onboard computer and the overall systemfunctionality was tested with the Hardware In the Loop method. LQR controlmethod showed the best performance, though none of the controllers completelymet the mission needs.

Place, publisher, year, edition, pages
2014. , 6 p.
Keyword [en]
Technology, Attitude Control System, B dot, linear Quadrature Regulator, state Dependent Riccati Equation, PD Controller, simulation, hardware In the Loop
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-47807Local ID: 550f1f2a-802e-4ea4-8a4d-907303c8d36fOAI: oai:DiVA.org:ltu-47807DiVA: diva2:1021136
Subject / course
Student thesis, at least 30 credits
Educational program
Space Engineering, master's level
Examiners
Note
Validerat; 20140822 (global_studentproject_submitter)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf