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 …

Disruption prediction for future tokamaks using parameter-based transfer learning

W Zheng, F Xue, Z Chen, D Chen, B Guo… - Communications …, 2023 - nature.com
Tokamaks are the most promising way for nuclear fusion reactors. Disruption in tokamaks is
a violent event that terminates a confined plasma and causes unacceptable damage to the …

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 …

A systematic investigation of radiation collapse for disruption avoidance and prevention on JET tokamak

R Rossi, M Gelfusa, T Craciunescu… - Matter and Radiation …, 2023 - pubs.aip.org
To produce fusion reactions efficiently, thermonuclear plasmas have to reach extremely high
temperatures, which is incompatible with their coming into contact with material surfaces …

IDP-PGFE: an interpretable disruption predictor based on physics-guided feature extraction

C Shen, W Zheng, Y Ding, X Ai, F Xue, Y Zhong… - Nuclear …, 2023 - iopscience.iop.org
Disruption prediction has made rapid progress in recent years, especially in machine
learning (ML)-based methods. If a disruption prediction model can be interpreted, it can tell …

Real-time and adaptive reservoir computing with application to profile prediction in fusion plasma

A Jalalvand, J Abbate, R Conlin… - … on Neural Networks …, 2021 - ieeexplore.ieee.org
Nuclear fusion is a promising alternative to address the problem of sustainable energy
production. The tokamak is an approach to fusion based on magnetic plasma confinement …

Stacking of predictors for the automatic classification of disruption types to optimize the control logic

A Murari, R Rossi, M Lungaroni, M Baruzzo… - Nuclear …, 2021 - iopscience.iop.org
Nowadays, disruption predictors, based on machine learning techniques, can perform well
but they typically do not provide any information about the type of disruption and cannot …

PHAD: a phase-oriented disruption prediction strategy for avoidance, prevention, and mitigation in JET

GA Rattá, J Vega, A Murari, D Gadariya… - Nuclear …, 2021 - iopscience.iop.org
The ideal operational scenario for the future tokamak reactor is disruption-free operation.
However, so far all the experimental evidence indicates that disruptions are unavoidable …

Development of robust indicators for the identification of electron temperature profile anomalies and application to JET

R Rossi, M Gelfusa, J Flanagan, A Murari… - Plasma Physics and …, 2022 - iopscience.iop.org
Recent experience with metallic devices operating in ITER relevant regions of the
operational space, has shown that the disruptivity of these plasmas is unacceptably high …

[PDF][PDF] Termination of discharges in high performance scenarios in JET

C Sozzi, A Fanni, A Pau, A Kappatou… - Proc. of the 28th …, 2021 - conferences.iaea.org
• The termination of high performance plasmas in tokamak devices with high Z metal plasma
facing components presents challenges related to the influx of heavy impurities which, if not …