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 …
Tailoring tokamak error fields to control plasma instabilities and transport
A tokamak relies on the axisymmetric magnetic fields to confine fusion plasmas and aims to
deliver sustainable and clean energy. However, misalignments arise inevitably in the …
deliver sustainable and clean energy. However, misalignments arise inevitably in the …
Integrated RMP-based ELM-crash-control process for plasma performance enhancement during ELM crash suppression in KSTAR
M Kim, G Shin, J Lee, WH Ko, H Han, SH Hahn… - Nuclear …, 2023 - iopscience.iop.org
Abstract The integrated Resonant Magnetic Perturbation (RMP)-based Edge-Localized
Mode (ELM)-crash-control process aims to enhance the plasma performance during the …
Mode (ELM)-crash-control process aims to enhance the plasma performance during the …
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 …
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 …
Tailoring resonant magnetic perturbation to optimize fast-ion confinement during ELM control in KSTAR
Abstract 3D resonant magnetic perturbation (RMP) is one promising way to control edge
localized modes that can cause excessive material erosion of tokamak first walls. However …
localized modes that can cause excessive material erosion of tokamak first walls. However …
Optimization of 3D controlled ELM-free state with recovered global confinement for KSTAR with n= 1 resonant magnetic field perturbation
Mitigation of deleterious heat flux from edge-localized modes (ELMs) on fusion reactors is
often attempted with 3D perturbations of the confining magnetic fields. However, the …
often attempted with 3D perturbations of the confining magnetic fields. However, the …
Predicting operational windows of ELMs suppression by resonant magnetic perturbations in the DIII-D and KSTAR tokamaks
ABSTRACT A newly developed plasma response model, combining the nonlinear two-fluid
MHD code TM1 and toroidal MHD code GPEC run in ideal mode, quantitatively predicts the …
MHD code TM1 and toroidal MHD code GPEC run in ideal mode, quantitatively predicts the …
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 …
Influence of triangularity on the plasma response to resonant magnetic perturbations
The effect of the axisymmetric plasma shape on the non-axisymmetric plasma response to
resonant magnetic perturbations is investigated in experiment and modeling for the DIII-D …
resonant magnetic perturbations is investigated in experiment and modeling for the DIII-D …