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Real-time plasma equilibrium reconstruction and shape control for the MAST Upgrade tokamak

H. Anand, W. Wehner, D. Eldon, A. Welander, Z. Xing, A. Lvovskiy, J. Barr, E. Cho, B. Sammuli, D. Humphreys2024年8月Nuclear FusionIF 3出版社

Real-time magnetic control has been developed to deliver precise control of multiple plasma shape parameters for advanced divertor configurations, including double-null, Super-X, X-point target and X-divertor for the first time on the MAST Upgrade (MAST-U) spherical tokamak. Successful real-time magnetic equilibrium control of different plasma shape variables has been accomplished in the 2022–2023 MAST-U experimental campaign for the advanced MAST-U divertor configurations. Application of the MAST-U boundary reconstruction algorithm, LEMUR, is described and compared with off-line equilibrium reconstruction and diagnostic measurements. The process of design and verification of the axisymmetric magnetic control schemes using a suite of control analysis tools (known collectively as TokSys) is also described.

日本語訳

リアルタイム磁気制御は、MAST Upgrade (MAST-U) 球状トカマクにおいて初めて、ダブルヌル、スーパーX、Xポイントターゲット、Xダイバータを含む先進ダイバータ配位に対して、複数のプラズマ形状パラメータの精密な制御を提供するために開発された。異なるプラズマ形状変数のリアルタイム磁気平衡制御は、2022–2023年のMAST-U実験キャンぺーンにおいて、先進的なMAST-Uダイバータ配位に対して成功裡に達成された。MAST-U境界再構成アルゴリズム、LEMURの適用が説明され、オフライン平衡再構成および診断計測と比較される。一連の制御解析ツール(総称してTokSysとして知られる)を用いた軸対称磁気制御スキームの設計と検証のプロセスもまた説明される。

装置

mast高精度(タイトル一致)

wiki

MASTPlasma equilibriumMAST UpgradeEquilibrium reconstruction

AIによる論文要約

Real-time plasma equilibrium reconstruction and shape control for the MAST Upgrade tokamak
ENThis paper will be of interest to fusion researchers working on plasma control and advanced divertor configurations, as well as students studying plasma physics and fusion energy.#MASTPlasmaShaperControl #FusionPlasmaReconstructionAndControl #AdvancedFusionDivectors

This paper describes the development of real-time magnetic control to precisely control the shape of advanced divertor configurations in the MAST Upgrade tokamak. The team used a boundary reconstruction algorithm and control analysis tools to achieve successful real-time control of different plasma shape variables.

MASUTアップグレード・トカマクの実時間プラズマ平衡再構築と形状制御
JAトカマクの平衡制御や高度なダイバータ設計に興味のある核融合研究者や学生に適しています。#MASUTアップグレード #プラズマ形状制御 #実時間平衡再構築 #高度ダイバータ

本論文は、MASUTアップグレード・トカマクで初めて実現された高度なダイバータ構成(ダブルヌル、スーパーX、Xポイントターゲット、Xダイバータ)の精密な形状制御に関する研究を報告しています。LMURアルゴリズムを用いた実時間磁気平衡再構築と、オフラインの平衡再構築との比較が行われています。

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