Fast elaboration of diagnostic data for real time control in FTU tokamak (Contributo in atti di convegno)

Type
Label
  • Fast elaboration of diagnostic data for real time control in FTU tokamak (Contributo in atti di convegno) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1051/epjconf/20123202015 (literal)
Alternative label
  • Alessi E., Boncagni L., Botrugno A., Cirant S., Galperti C., Marchetto C., Nowak S., Sozzi C. and Tudisco O. (2012)
    Fast elaboration of diagnostic data for real time control in FTU tokamak
    in EC-17, 17th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Deurne - The Netherlands, May 7-10, 2012
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Alessi E., Boncagni L., Botrugno A., Cirant S., Galperti C., Marchetto C., Nowak S., Sozzi C. and Tudisco O. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Articolo numero 02015 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.epj-conferences.org/articles/epjconf/abs/2012/14/epjconf_ec2012_02015/epjconf_ec2012_02015.html (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • EC-17 - 17th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
  • 32 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Fisica del Plasma, CNR Milano, ed altri istituti di ricerca (literal)
Titolo
  • Fast elaboration of diagnostic data for real time control in FTU tokamak (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 978-90-386-3241-4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
  • E. Westerhof and P.W.J.M. Nuij (Eds.) (literal)
Abstract
  • The automatic controller developed for MHD instability control on FTU via the real time (RT) EC launcher [1, 2] is based on the a-priori estimate of the instabilities location and on the fast elaboration of the stream of diagnostic data. A fast data acquisition system, based on existing standard FTU diagnostics, collects thermal and magnetic signals by a 12-channels ECE polychromator [3] and by a set of 22 Mirnov coils respectively. Moreover, the EC time waveform from directional couplers along the transmission line is acquired as well. This set of signals is processed in a timescale significantly shorter than the typical time step of the controller (1ms). RT elaboration algorithms aim at supplying the controller [4] with reliable information about the existence and the spatial location of the instability and about the actual ECRH deposition layer in plasma. The main algorithms blocks are ECE-ECE, ECE-Mirnov and ECE-ECRH cross-correlation, and SVD (Singular Value Decomposition) of Mirnov signals. The capabilities of effective detection, false positive resilience, and mode discrimination will be discussed through the application to actual plasma data. (literal)
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