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A Frequency Domain Analysis of a Second Order Iterative Learning Control Algorithm
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Automatic Control.
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Automatic Control.
1999 (English)In: 38th IEEE Conference on Decision and Control,1999, Pheonix, AZ, USA: IEEE , 1999, 1587- p.Conference paper, Published paper (Refereed)
Abstract [en]

A frequency domain analysis of a second order Iterative Learning Control (ILC) algorithm is considered. It is shown that an unstable first order ILC can be stabilized by the introduction of a second order term in the ILC. Bounds for stability are presented in the frequency domain for the second order term. The bounds are found using a geometrical approach based on the special structure of the transfer matrix in the iterative system. Two examples are included showing that introducing the higher order ILC can both stabilize an unstable first order ILC algorithm, as well as give better convergence properties compared to using a first order ILC algorithm.

Place, publisher, year, edition, pages
Pheonix, AZ, USA: IEEE , 1999. 1587- p.
Keyword [en]
iterative learning control, ilc, high order ilc, frequency domain analysis
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-29607Local ID: 14986OAI: oai:DiVA.org:liu-29607DiVA: diva2:250424
Available from: 2009-10-09 Created: 2009-10-09

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Norrlöf, MikaelGunnarson, Svante

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