New signal processing methods and information technologies for the real time control of JET reactor relevant plasmas (Articolo in rivista)

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  • New signal processing methods and information technologies for the real time control of JET reactor relevant plasmas (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.fusengdes.2010.12.061 (literal)
Alternative label
  • A. Murari; J. Vega; D. Mazon; G.A. Rattá; M.Gelfusa; A. Debrie; C. Boulbe; B. Faugeras; JET-EFDA Contributors (2011)
    New signal processing methods and information technologies for the real time control of JET reactor relevant plasmas
    in Fusion engineering and design; ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE (Svizzera)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Murari; J. Vega; D. Mazon; G.A. Rattá; M.Gelfusa; A. Debrie; C. Boulbe; B. Faugeras; JET-EFDA Contributors (literal)
Pagina inizio
  • 544 (literal)
Pagina fine
  • 547 (literal)
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  • La rivista è pubblicata anche online con ISSN 1873-7196 (Editore: Elsevier Science SA) (literal)
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  • http://www.sciencedirect.com/science/article/pii/S092037961000606X (literal)
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  • 86 (literal)
Rivista
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  • Issues 6-8 ottobre (literal)
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  • 4 (literal)
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  • 6-8 (literal)
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  • ISI Web of Science (WOS) (literal)
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  • 1 JET-EFDA, Culham Science Centre, OX14 3DB, Abingdon, UK; a Associazione EURATOM-ENEA per la Fusione, Consorzio RFX, 4-35127 Padova, Italy; b Asociación EURATOM-CIEMAT para Fusión, CIEMAT, Madrid, Spain; c Association EURATOM-CEA, CEA Cadarache, 13108 Saint-Paul-lez-Durance, France; d Associazione EURATOM-ENEA - University of Rome \"Tor Vergata\", Roma, Italy; e Arts et Métiers ParisTech Engineering College (ENSAM), 75013 Paris, France; f Laboratoire J-A Dieudonné (UMR 66 21), Université de Nice Sophia-Antipolis, CNRS Parc Valrose, 06108 Nice Cedex 02, France. (A. Murari a, J. Vega b , D. Mazon c , G.A. Rattá b , M.Gelfusa d , A. Debrie e , C. Boulbe f , B. Faugeras f , JET-EFDA Contributors 1) (literal)
Titolo
  • New signal processing methods and information technologies for the real time control of JET reactor relevant plasmas (literal)
Abstract
  • A general trend in the experimental programmes of present day Tokamaks, and of JET in particular, is the constant increase in the number of parameters to be controlled in real time, to satisfy the machine protection requirements on the one hand and to improve performance on the other. Since the amount of data collected is also increasing at least at a rate compatible with the Moore law, significant developments are required in the field of real time algorithms particularly for magnetic reconstructions, disruption prediction and image processing. A new real time equilibrium code called EQUINOX, using internal and external measurements of the magnetic fields, has been qualified on JET. It can provide reconstructed accurate equilibria about every 50 ms on a 2 GHz PC. An advanced disruption predictor, based on machine learning tools, has been deployed using inputs selected with a genetic algorithm. Its success rate remains of the order of 94% for up to 170 ms before the occurrence of the disruption. Nonextensive entropies, which are more sensitive to long range correlations, seem to be useful in detecting vibrations in the videos of JET cameras, both visible and infrared. (literal)
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