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Input shaping for control of satellites and formation of satellites
2008 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Space research is currently in a trend of using smaller satellites in cooperation to achieve the same results of larger, and more expensive, single satellites. Not only that, satellites in formation enable new possibilities, like taking measurements from plasma from different points at the same time, thus creating a more complete 3D profile. Though formation flying has several advantages in terms of reducing costs and production time, it increases the requirements in control strategies not only for the spacecraft alone but also to coordinate their relative formation structure. Those less expensive and faster deployable satellites are usually less rigid than their larger counterparts: therefore they pose new challenges in spacecraft and formation flight control. This thesis investigates the effects of flexible satellites in the relative dynamics of single and formation flying satellite. It proposes a way of planning an optimal, minimum fuel, trajectory with linear programming, and design an LQR controller for the satellites to follow this trajectory. The system response to input shaped and unshaped reference signal is compared for the flexible satellite with linear and nonlinear actuators.

Place, publisher, year, edition, pages
2008.
Keyword [en]
Technology, posicast control, input command shaping, formation control, vibration, linear programming, optimal control
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-45193ISRN: LTU-PB-EX--08/002--SELocal ID: 2eb6a1d9-c50b-47b5-a18b-e273b444c362OAI: oai:DiVA.org:ltu-45193DiVA: diva2:1018479
Subject / course
Student thesis, at least 30 credits
Educational program
Space Engineering, master's level
Examiners
Note
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
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
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf