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Design and Implementation of a Test Rig for a Gyro Stabilized Camera System
Linköping University, Department of Electrical Engineering.
2006 (English)Independent thesis Basic level (professional degree), 20 points / 30 hpStudent thesis
Abstract [en]

PolyTech AB in Malmköping manufactures gyro stabilized camera systems or helicopter applications. In this Master´s Thesis a shaker test rig for vibration testing of these systems is designed, implemented and evaluated. The shaker is required to have an adjustable frequency and displacement and different shakers that meet these requirements are treated in a literature study.

The shaker chosen in the test rig is based on a mechanical solution that is described in detail. Additionally all components used in the test rig are described and modelled. The test rig is identified and evaluated from different experiments carried out at PolyTech, where the major part of the identification is based on data collected from accelerometers.

The test rig model is used to develop a controller that controls the frequency and the displacement of the shaker. A three-phase motor is used to control the frequency of the shaker and a linear actuator with a servo is used to control the displacement. The servo controller is designed using observer and state feedback techniques.

Additionally, the mount in which the camera system is hanging is modelled and identified, where the identification method is based on nonlinear least squares (NLS) curve fitting technique.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2006. , 72 p.
Keyword [en]
shaker, vibration, test rig, accelerometer, identification, nonlinear least squares
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-7397ISRN: LITH-ISY-EX--06/3753--SEOAI: oai:DiVA.org:liu-7397DiVA: diva2:22404
Presentation
2006-04-21, Systemet, B, Linköpings Universitet, Linköping, 13:00
Uppsok
teknik
Supervisors
Examiners
Available from: 2006-09-20 Created: 2006-09-20

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CiteExportLink to record
Permanent link

Direct link
Cite
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