First implementation of plasma shape GAP control method in EAST

First implementation of plasma shape GAP control method in EAST

Preliminary implementation of plasma GAP shape control in EAST is presented. Compared with ISOFLUX method, GAP control could work together with not only real-time equilibrium reconstruction but also real-time boundary reconstruction. Based on the plasma response matrix, the GAP controller is designe...

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Veröffentlicht in:Fusion engineering and design 2019-05, Vol.142, p.1-5
Hauptverfasser: Wang, Y.H., Huang, Y., Yuan, Q.P., Luo, Z.P., Xiao, B.J.
Format: Artikel
Sprache:eng
Schlagworte:
Algorithms
Control algorithms
Control systems design
Control theory
Controllers
EAST
GAP control
model-based controller design
Plasma
Plasma control
Real time
Reconstruction
Shape control
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Zusammenfassung:Preliminary implementation of plasma GAP shape control in EAST is presented. Compared with ISOFLUX method, GAP control could work together with not only real-time equilibrium reconstruction but also real-time boundary reconstruction. Based on the plasma response matrix, the GAP controller is designed and the PID parameter has been optimized for EAST plasma shape control. P-EFIT provides real-time gap calculation and GAP controller is integrated into EAST PCS. Successful plasma shape with GAP control scheme is achieved in EAST 2018 summer campaign. Experimental results prove that GAP control algorithm and controller could achieve similar control ability as ISOFLUX and provide an option for shape control with optical-based boundary reconstruction in EAST and future device CFETR.
ISSN:0920-3796
1873-7196
DOI:10.1016/j.fusengdes.2019.04.067