Plasma vertical stabilization in ITER-FEAT

被引：1
|
作者：
Beghi, A
Cavinato, M
Cenedese, A
Ciscato, D
Marchiori, G
Portone, A
机构：
[1] Univ Padua, Dipartimento Elettron & Informat, I-35131 Padua, Italy
[2] Univ Padua, Ctr Ric Fus, I-35131 Padua, Italy
[3] Consorzio RFX, I-35127 Padua, Italy
[4] Univ Padua, Dipartimento Ingn Elettr, I-35131 Padua, Italy
[5] Max Planck Inst Plasma Phys, CSU, EFDA, D-85748 Garching, Germany
来源：
FUSION ENGINEERING AND DESIGN | 2001年 / 56-57卷
关键词：
ITER-FEAT; plasma control; robustness;
D O I：
10.1016/S0920-3796(01)00404-5
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
In this paper, we address the key issues related to the design of the plasma vertical position controller in ITER-FEAT. Some preliminary studies showed that-due to the use of ex-vessel control coils to stabilize the plasma vertical position-the closed-loop system has limited phase margin. As a consequence, its dynamic response deteriorates rapidly if delays (as due, for example, to the diagnostic system) increase above a certain threshold. To improve this situation, we investigate different control strategies and compare their robustness properties with respect to some specific plant perturbations. (C) 2001 Elsevier Science BN. All rights reserved.
引用
收藏
页码：783 / 788
页数：6
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