Disruption prediction with artificial intelligence techniques in tokamak plasmas

J Vega, A Murari, S Dormido-Canto, GA Rattá… - Nature Physics, 2022 - nature.com
In nuclear fusion reactors, plasmas are heated to very high temperatures of more than 100
million kelvin and, in so-called tokamaks, they are confined by magnetic fields in the shape …

Overview of the SPARC physics basis towards the exploration of burning-plasma regimes in high-field, compact tokamaks

P Rodriguez-Fernandez, AJ Creely… - Nuclear …, 2022 - iopscience.iop.org
The SPARC tokamak project, currently in engineering design, aims to achieve breakeven
and burning plasma conditions in a compact device, thanks to new developments in high …

Physics-constrained, low-dimensional models for magnetohydrodynamics: First-principles and data-driven approaches

AA Kaptanoglu, KD Morgan, CJ Hansen, SL Brunton - Physical Review E, 2021 - APS
Plasmas are highly nonlinear and multiscale, motivating a hierarchy of models to
understand and describe their behavior. However, there is a scarcity of plasma models of …

A real-time machine learning-based disruption predictor in DIII-D

C Rea, KJ Montes, KG Erickson, RS Granetz… - Nuclear …, 2019 - iopscience.iop.org
A disruption prediction algorithm, called disruption prediction using random forests (DPRF),
has run in real-time in the DIII-D plasma control system (PCS) for more than 900 discharges …

Disruption prediction at JET through deep convolutional neural networks using spatiotemporal information from plasma profiles

E Aymerich, G Sias, F Pisano, B Cannas… - Nuclear …, 2022 - iopscience.iop.org
In view of the future high power nuclear fusion experiments, the early identification of
disruptions is a mandatory requirement, and presently the main goal is moving from the …

Disruption prediction on EAST tokamak using a deep learning algorithm

BH Guo, DL Chen, B Shen, C Rea… - Plasma Physics and …, 2021 - iopscience.iop.org
In this study, a long short-term memory (LSTM) model is trained on a large disruption
warning database to predict the disruption on EAST tokomak. To compare the performance …

Application of machine learning and artificial intelligence to extend EFIT equilibrium reconstruction

LL Lao, S Kruger, C Akcay… - Plasma Physics and …, 2022 - iopscience.iop.org
Recent progress in the application of machine learning (ML)/artificial intelligence (AI)
algorithms to improve the Equilibrium Fitting (EFIT) code equilibrium reconstruction for …

Physics-guided machine learning approaches to predict the ideal stability properties of fusion plasmas

A Piccione, JW Berkery, SA Sabbagh… - Nuclear …, 2020 - iopscience.iop.org
One of the biggest challenges to achieve the goal of producing fusion energy in tokamak
devices is the necessity of avoiding disruptions of the plasma current due to instabilities. The …

[HTML][HTML] Deep convolutional neural networks for multi-scale time-series classification and application to tokamak disruption prediction using raw, high temporal …

RM Churchill, B Tobias, Y Zhu, DIII-D team - Physics of Plasmas, 2020 - pubs.aip.org
In this paper, we discuss recent advances in deep convolutional neural networks (CNNs) for
sequence learning, which allow identifying long-range, multi-scale phenomena in long …

MHD stability and disruptions in the SPARC tokamak

R Sweeney, AJ Creely, J Doody, T Fülöp… - Journal of Plasma …, 2020 - cambridge.org
SPARC is being designed to operate with a normalized beta of that rises linearly with a
change in the plasma current. Massive material injection is planned to reduce the disruption …