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

被引：18
|
作者：
Paley, J. I. [1 ]
Felici, F. [1 ]
Coda, S. [1 ]
Goodman, T. P. [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Ctr Rech Phys Plasmas, Assoc Euratom Confederat Suisse, CH-1015 Lausanne, Switzerland
来源：
PLASMA PHYSICS AND CONTROLLED FUSION | 2009年 / 51卷 / 12期
关键词：
NEOCLASSICAL TEARING MODES;
D O I：
10.1088/0741-3335/51/12/124041
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
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.
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页数：11
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