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 …

First-principles density limit scaling in tokamaks based on edge turbulent transport and implications for ITER

M Giacomin, A Pau, P Ricci, O Sauter, T Eich… - Physical Review Letters, 2022 - APS
A first-principles scaling law, based on turbulent transport considerations, and a
multimachine database of density limit discharges from the ASDEX Upgrade, JET, and TCV …

Model for access and stability of the X-point radiator and the threshold for marfes in tokamak plasmas

U Stroth, M Bernert, D Brida, M Cavedon, R Dux… - Nuclear …, 2022 - iopscience.iop.org
Based on particle and energy balances, a reduced model is derived for the physical
mechanisms leading to the occurrence of stable and unstable X-point radiators (XPRs), the …

[HTML][HTML] Development of a concept and basis for the DEMO diagnostic and control system

W Biel, M Ariola, I Bolshakova, KJ Brunner… - Fusion engineering and …, 2022 - Elsevier
An initial concept for the plasma diagnostic and control (D&C) system has been developed
as part of European studies towards the development of a demonstration tokamak fusion …

Progress in disruption prevention for ITER

EJ Strait, JL Barr, M Baruzzo, JW Berkery… - Nuclear …, 2019 - iopscience.iop.org
Key plasma physics and real-time control elements needed for robustly stable operation of
high fusion power discharges in ITER have been demonstrated in recent research …

Physics research on the TCV tokamak facility: from conventional to alternative scenarios and beyond

S Coda, M Agostini, R Albanese, S Alberti… - Nuclear …, 2019 - iopscience.iop.org
The research program of the TCV tokamak ranges from conventional to advanced-tokamak
scenarios and alternative divertor configurations, to exploratory plasmas driven by …

Hybrid deep-learning architecture for general disruption prediction across multiple tokamaks

JX Zhu, C Rea, K Montes, RS Granetz… - Nuclear …, 2020 - iopscience.iop.org
In this paper, we present a new deep-learning disruption-prediction algorithm based on
important findings from explorative data analysis which effectively allows knowledge transfer …

A machine learning approach based on generative topographic mapping for disruption prevention and avoidance at JET

A Pau, A Fanni, S Carcangiu, B Cannas, G Sias… - Nuclear …, 2019 - iopscience.iop.org
The need for predictive capabilities greater than 95% with very limited false alarms are
demanding requirements for reliable disruption prediction systems in tokamaks such as JET …

A control oriented strategy of disruption prediction to avoid the configuration collapse of tokamak reactors

A Murari, R Rossi, T Craciunescu, J Vega… - Nature …, 2024 - nature.com
The objective of thermonuclear fusion consists of producing electricity from the coalescence
of light nuclei in high temperature plasmas. The most promising route to fusion envisages …

Analysis and expansion of the quasi-continuous exhaust (QCE) regime in ASDEX Upgrade

M Faitsch, T Eich, GF Harrer, E Wolfrum, D Brida… - Nuclear …, 2023 - iopscience.iop.org
The quasi-continuous exhaust (QCE) regime, formerly known as either type-II ELM or small
ELM regime is studied in ASDEX Upgrade. The regime is a natural type-I ELM-free H-mode …