<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hennen, B.A.</style></author><author><style face="normal" font="default" size="100%">Westerhof, E.</style></author><author><style face="normal" font="default" size="100%">Nuij, Pwjm</style></author><author><style face="normal" font="default" size="100%">Oosterbeek, J. W.</style></author><author><style face="normal" font="default" size="100%">de Baar, M. R.</style></author><author><style face="normal" font="default" size="100%">Bongers, W. A.</style></author><author><style face="normal" font="default" size="100%">Burger, A.</style></author><author><style face="normal" font="default" size="100%">Thoen, D. J.</style></author><author><style face="normal" font="default" size="100%">Steinbuch, M.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Real-time control of tearing modes using a line-of-sight electron cyclotron emission diagnostic</style></title><secondary-title><style face="normal" font="default" size="100%">Plasma Physics and Controlled Fusion</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Plasma Phys. Control. Fusion</style></alt-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">DISCHARGES</style></keyword><keyword><style  face="normal" font="default" size="100%">LIMITS</style></keyword><keyword><style  face="normal" font="default" size="100%">STABILIZATION</style></keyword><keyword><style  face="normal" font="default" size="100%">SYSTEM</style></keyword><keyword><style  face="normal" font="default" size="100%">TEXTOR</style></keyword><keyword><style  face="normal" font="default" size="100%">TOKAMAK</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Oct</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">&lt;Go to ISI&gt;://000283391000008 </style></url></web-urls></urls><number><style face="normal" font="default" size="100%">10</style></number><volume><style face="normal" font="default" size="100%">52</style></volume><pages><style face="normal" font="default" size="100%">20</style></pages><isbn><style face="normal" font="default" size="100%">0741-3335</style></isbn><language><style face="normal" font="default" size="100%">English</style></language><abstract><style face="normal" font="default" size="100%">The stability and performance of tokamak plasmas are limited by instabilities such as neoclassical tearing modes. This paper reports on an experimental proof of principle of a feedback control approach for real-time, autonomous suppression and stabilization of tearing modes in a tokamak. The system combines an electron cyclotron emission diagnostic for sensing of the tearing modes in the same sight line with a steerable electron cyclotron resonance heating and current drive (ECRH/ECCD) antenna. A methodology for fast detection of q = m/n = 2/1 tearing modes and retrieval of their location, rotation frequency and phase is presented. Set-points to establish alignment of the ECRH/ECCD deposition location with the centre of the tearing mode are generated in real time and forwarded in closed loop to the steerable launcher and as a modulation pulse train to the gyrotron. Experimental results demonstrate the capability of the control system to track externally perturbed tearing modes in real time.</style></abstract><work-type><style face="normal" font="default" size="100%">Article</style></work-type><accession-num><style face="normal" font="default" size="100%">ISI:000283391000008</style></accession-num><notes><style face="normal" font="default" size="100%">ISI Document Delivery No.: 670AFTimes Cited: 0Cited Reference Count: 24</style></notes><custom1><style face="normal" font="default" size="100%">Fusion Physics</style></custom1><auth-address><style face="normal" font="default" size="100%">[Hennen, B. A.; Westerhof, E.; de Baar, M. R.; Bongers, W. A.; Thoen, D. J.] EURATOM, FOM Inst Plasma Phys Rijnhuizen, NL-3430 BE Nieuwegein, Netherlands. [Hennen, B. A.; Nuij, P. W. J. M.; Steinbuch, M.] Eindhoven Univ Technol, Control Syst Technol Grp, NL-5600 MB Eindhoven, Netherlands. [Oosterbeek, J. W.; Buerger, A.] Forschungszentrum Julich, Inst Energy Res, Assoc EURATOM FZJ, D-52425 Julich, Germany.Hennen, BA, EURATOM, FOM Inst Plasma Phys Rijnhuizen, POB 1207, NL-3430 BE Nieuwegein, Netherlands.b.a.hennen@tue.nl</style></auth-address></record></records></xml>