Optimizing tracking performance of XY repositioning system with ILC

Sigurd Villumsen*, Casper Schou

*Corresponding author for this work

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

Controlling complex mechanical systems is often a difficult task, requiring a skilled developer with experience in control engineering. In practice however, the theoretical difficulties of designing a good controller is only a first step as the implementation itself on the various pieces of equipment is also often challenging. This paper investigates if iterative learning control (ILC) can be used as an alternative to tuning existing controllers for improving system performance. This is evaluated by a case study on a high speed XY-positioning system used for laser cutting. An ILC algorithm is implemented by using a server client structure from Matlab. After tuning the parameters an implementation is found which is able to increase the tracking accuracy significantly for cutting speeds up to 0:5 m=s. This is done only by implementing code on the master control unit and thus without changing subsystem controllers.

Original languageEnglish
Title of host publicationRecent Advances in Mechanism Design for Robotics : Proceedings of the 3rd IFToMM Symposium on Mechanism Design for Robotics
EditorsShaoping Bai, Marco Ceccarelli
Number of pages11
VolumePart III
PublisherKluwer Academic Publishers
Publication date2015
Pages207-217
Chapter3
ISBN (Print)978-3-319-18125-7
ISBN (Electronic)978-3-319-18126-4
DOIs
Publication statusPublished - 2015
Event3rd IFToMM Symposium on Mechanism Design for Robotics, MEDER 2015 - Aalborg Universitet, Aalborg, Denmark
Duration: 2 Jun 20154 Jun 2015

Conference

Conference3rd IFToMM Symposium on Mechanism Design for Robotics, MEDER 2015
LocationAalborg Universitet
Country/TerritoryDenmark
CityAalborg
Period02/06/201504/06/2015
SponsorInnovationsnetværket RoboCluster, Thomas B. Thriges Fund
SeriesMechanisms and Machine Science
Volume33
ISSN2211-0984

Keywords

  • Iterative learning control
  • Laser cutting
  • Machine learning
  • XY table

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