From profile to sawtooth control : developing feedback control using ECRH/ECCD systems on the TCV tokamak

J.I. Paley, F. Felici, S. Coda, T.P. Goodman

Research output: Contribution to journalArticleAcademicpeer-review

21 Citations (Scopus)

Abstract

Real time control of heating systems is essential to maximize plasma performance and avoid or neutralize instabilities under changing plasma conditions. Several feedback control algorithms have been developed on the Tokamak a Configuration Variable (TCV) tokamak that use the electron cyclotron (ECRH/ECCD) system to control a wide range of plasma properties, including the plasma current, shape, profiles as well as the sawtooth instability. Controllers have been developed to obtain sawteeth of a pre-determined period, to maximize the sawtooth period using an extremum seeking control algorithm and finally to provide simultaneous control of the plasma emission profile peak and width using multiple independent EC actuators. © 2009 IOP Publishing Ltd. SP - 124041
Original languageEnglish
Article number124041
Pages (from-to)124041-1/11
Number of pages11
JournalPlasma Physics and Controlled Fusion
Volume51
Issue number12
DOIs
Publication statusPublished - 2009

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