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Comparison of filter designs for a digital beam-phase feedback system in a heavy-ion synchrotron
KTH.
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2013 (English)In: 2013 21st Mediterranean Conference on Control and Automation, MED 2013 - Conference Proceedings, IEEE , 2013, 351-356 p.Conference paper, Published paper (Refereed)
Abstract [en]

The bunched particle beam in a synchrotron can perform various longitudinal oscillation modes of which the dipole mode occurs most frequently. Although naturally damped by Landau damping, these oscillations can become unstable if driven accordingly. In any case Landau damping is accompanied by filamentation of the bunch which leads to rms emittance blow up and thus reduces the beam quality. Therefore a beam-phase feedback is used to damp dipole oscillations. At GSI Helmholtzzentrum f ür Schwerionenforschung GmbH the feedback is designed as an FIR filter [1]. However, the feedback performance may be improved using a matched filter instead of the current filter setting as is demonstrated in this work by comparing the different filter designs.

Place, publisher, year, edition, pages
IEEE , 2013. 351-356 p.
Keyword [en]
Dipole mode, Emittances, Feedback systems, Filamentation, Filter designs, Heavy-ion synchrotron, Landau damping, Longitudinal oscillations
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-136118DOI: 10.1109/MED.2013.6608745Scopus ID: 2-s2.0-84885219850ISBN: 978-147990997-1 (print)OAI: oai:DiVA.org:kth-136118DiVA: diva2:675978
Conference
2013 21st Mediterranean Conference on Control and Automation, MED 2013; Platanias-Chania, Crete; Greece; 25 June 2013 through 28 June 2013
Note

QC 20131205

Available from: 2013-12-05 Created: 2013-12-03 Last updated: 2013-12-05Bibliographically approved

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  • apa
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  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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