Development of an operation trajectory design algorithm for control of multiple 0D parameters using deep reinforcement learning in KSTAR
This work develops an artificially intelligent (AI) tokamak operation design algorithm that
provides an adequate operation trajectory to control multiple plasma parameters …
provides an adequate operation trajectory to control multiple plasma parameters …
Overview of recent progress in 3D field physics in KSTAR
Various 3D field physics challenges of magnetically confined plasmas arise when the
driving source comes from either externally applied non-axisymmetric 3D magnetic …
driving source comes from either externally applied non-axisymmetric 3D magnetic …
Quasi-continuous exhaust operational space
M Dunne, M Faitsch, L Radovanovic, E Wolfrum… - Nuclear …, 2024 - iopscience.iop.org
The IPED predictive pedestal code has been used to determine the critical gradients for the
onset of 1) separatrix ballooning modes and 2) global peeling-ballooning modes as a …
onset of 1) separatrix ballooning modes and 2) global peeling-ballooning modes as a …
Heuristic predictions of RMP configurations for ELM suppression in ITER burning plasmas and their impact on divertor performance
A subspace of resonant magnetic perturbation (RMP) configurations for edge localized
mode (ELM) suppression is predicted for H-mode burning plasmas at 15 MA current and 5.3 …
mode (ELM) suppression is predicted for H-mode burning plasmas at 15 MA current and 5.3 …
Non-disruptive error field identification based on magnetic island healing
A technique to identify intrinsic error fields (EFs) in tokamaks with minimized risk of
disruption is demonstrated on the DIII-D tokamak. The method extends the conventional …
disruption is demonstrated on the DIII-D tokamak. The method extends the conventional …
Influence of pedestal pressure on plasma response to resonant magnetic perturbation field
X Yang, J Yuan, Y Liu, X He, Y He, G Xia… - The European Physical …, 2025 - Springer
A systematic numerical investigation is carried out to understand the effect of variation of the
equilibrium pressure pedestal structure on the H-mode plasma response to the applied …
equilibrium pressure pedestal structure on the H-mode plasma response to the applied …
Highest fusion performance without harmful edge energy bursts in tokamak
The path of tokamak fusion and International thermonuclear experimental reactor (ITER) is
maintaining high-performance plasma to produce sufficient fusion power. This effort is …
maintaining high-performance plasma to produce sufficient fusion power. This effort is …
Observation of magnetic islands in tokamak plasmas during the suppression of edge-localized modes
M Willensdorfer, V Mitterauer, M Hoelzl, W Suttrop… - Nature Physics, 2024 - nature.com
In tokamaks, a leading platform for fusion energy, periodic filamentary plasma eruptions
known as edge-localized modes occur in plasmas with high-energy confinement and steep …
known as edge-localized modes occur in plasmas with high-energy confinement and steep …
Optimizing 3D magnetic perturbations for edge instability control in the KSTAR tokamak
JK Park - Reviews of Modern Plasma Physics, 2023 - Springer
A small non-axisymmetric (3D) magnetic field can offer invaluable ways for instability control
in tokamaks when optimally used, as has been highlighted by the edge-localized mode …
in tokamaks when optimally used, as has been highlighted by the edge-localized mode …
Nonlinear two-fluid modeling of plasma response to RMPs for the ELM control in the ITER baseline
Numerical modeling, combining the toroidal ideal MHD code GPEC and the nonlinear two-
fluid MHD code TM1, was used for comprehensive studies of the plasma response to …
fluid MHD code TM1, was used for comprehensive studies of the plasma response to …