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Multi-Sensor Data Fusion for a Long-Reach Robot
KTH, School of Electrical Engineering (EES), Automatic Control.
2010 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The purpose of this Master's thesis project is the study and the improvement of the positioning of a long-reach robot.

The AIA robot is a 10 meter long multi-link manipulator developed at CEALIST (France), and designed for close inspection and maintenance of the inner walls of a thermonuclear reactor (tokamak) under vacuum and high temperature conditions. Previous tests campains pointed out the insu-ciency of its positioning due to an inaccurate joint angle sensor measure.

In order to estimate precisely the angular position of the robot's joints, a reconstruction strategy using both motor and joint sensors measurements is considered. The reconstruction is achieved with the help of a Kalman lter based on the joint transmission model. The Hammerstein model structure with an hysteresis nonlinearity is proposed to describe the behaviour of the transmission between the motor and the joint.

After o-line validation using Matlab, the resulting reconstruction procedure was implemented in C in the robot's real-time controller.

Place, publisher, year, edition, pages
2010. , 60 p.
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-105133OAI: oai:DiVA.org:kth-105133DiVA: diva2:570086
Subject / course
Automatic Control
Educational program
Master of Science in Engineering - Electrical Engineering
Uppsok
Technology
Examiners
Available from: 2012-12-03 Created: 2012-11-16 Last updated: 2012-12-03Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • 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