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Feedback stabilization of RWM with in-vessel coils

V D Pustovitov, M S Mayorova2006年Plasma Physics and Controlled FusionIF 2.2出版社

Active control of the resistive wall modes (RWMs) is analysed for the feedback system with internal correction coils (ICs). The analysis is performed using a single mode thin-wall model in the cylindrical approximation and proportional control. Three cases are considered: with radial field sensors, poloidal field sensors inside the vessel and poloidal sensors outside. It is shown that, within the model, the systems with such sensors and proportional feedback have similar characteristics. The feedback systems with internal and external correction coils are compared and advantages of the IC system are shown.

日本語訳

抵抗性壁モード(RWM)の能動制御を、内部補正コイル(IC)を備えたフィードバック系について解析する。解析は、円筒近似における単一モード薄壁モデルと比例制御を用いて行われる。3つの場合が考察される:径方向磁場センサを用いる場合、容器内部のポロイダル磁場センサを用いる場合、および容器外部のポロイダルセンサを用いる場合である。このモデル内では、これらのセンサと比例フィードバックを備えた系が類似した特性を有することが示される。内部補正コイルと外部補正コイルを備えたフィードバック系が比較され、IC系の利点が示される。

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In-vessel componentsFeedback stabilization
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