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Reglering av veka strukturer med multipla sensorer
Linköping University, Department of Electrical Engineering.
Linköping University, Department of Electrical Engineering.
2003 (Swedish)Independent thesis Basic level (professional degree)Student thesisAlternative title
Control of flexible structures using multiple sensors (English)
Abstract [en]

In this master thesis, control algoritms using arm side sensors are investigated for an industrial robot. The sensors can be position encoders placed after the gearbox and accelerometers on the robot arms. Control strategies are discussed and evaluated for different models of the robot, after which chosen strategies are applied to a realistic model.

Control algoritms using arm side sensors (LQ, dual-loop and PD-PID) are compared to a PID-controller that only uses measurements of motor position for feedback control. The comparison are done with respect to disturbance rejection, oscillation damping, robustness and tracking performance of a reference trajectory.

Results from tests with the realistic robot modell shows that disturbance rejection was improved a factor 2 to 5 while tracking performance was improved a factor 4 to 5 according to maximum deviation from the reference path. At the same time good re-sults are achieved regarding oscillation damping and robustness.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2003. , 127 p.
Series
LiTH-ISY-Ex, 3338
Keyword [en]
Reglerteknik, Linear Quadratic Control, dual-loop, flexible structure, encoder, accelerometer
Keyword [sv]
Reglerteknik
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-1640OAI: oai:DiVA.org:liu-1640DiVA: diva2:18964
Uppsok
teknik
Available from: 2003-02-28 Created: 2003-02-28

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • 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