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 …

Machine learning for disruption warnings on Alcator C-Mod, DIII-D, and EAST

KJ Montes, C Rea, RS Granetz, RA Tinguely… - Nuclear …, 2019 - iopscience.iop.org
This paper reports on disruption prediction using a shallow machine learning method known
as a random forest, trained on large databases containing only plasma parameters that are …

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 …

Machine learning control for disruption and tearing mode avoidance

Y Fu, D Eldon, K Erickson, K Kleijwegt… - Physics of …, 2020 - pubs.aip.org
Real-time feedback control based on machine learning algorithms (MLA) was successfully
developed and tested on DIII-D plasmas to avoid tearing modes and disruptions while …

Data-driven profile prediction for DIII-D

J Abbate, R Conlin, E Kolemen - Nuclear Fusion, 2021 - iopscience.iop.org
A new, fully data-driven algorithm has been developed that uses a neural network to predict
plasma profiles on a scale of τ E into the future given an actuator trajectory and the plasma …

Adaptive predictors based on probabilistic SVM for real time disruption mitigation on JET

A Murari, M Lungaroni, E Peluso, P Gaudio… - Nuclear …, 2018 - iopscience.iop.org
Detecting disruptions with sufficient anticipation time is essential to undertake any form of
remedial strategy, mitigation or avoidance. Traditional predictors based on machine learning …

Exploratory machine learning studies for disruption prediction using large databases on DIII-D

C Rea, RS Granetz - Fusion Science and Technology, 2018 - Taylor & Francis
Using data-driven methodology, we exploit the time series of relevant plasma parameters for
a large set of disrupted and non-disrupted discharges from the DIII-D tokamak with the …

Deep learning for plasma tomography and disruption prediction from bolometer data

DR Ferreira, PJ Carvalho… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The use of deep learning is facilitating a wide range of data processing tasks in many areas.
The analysis of fusion data is no exception since there is a need to process large amounts of …

On the transfer of adaptive predictors between different devices for both mitigation and prevention of disruptions

A Murari, R Rossi, E Peluso, M Lungaroni… - Nuclear …, 2020 - iopscience.iop.org
Notwithstanding the efforts exerted over many years, disruptions remain a major impediment
on the route to a magnetic confinement reactor of the tokamak type. Machine learning …

An adaptive real-time disruption predictor for ASDEX Upgrade

B Cannas, A Fanni, G Pautasso, G Sias… - Nuclear Fusion, 2010 - iopscience.iop.org
In this paper, a neural predictor has been built using plasma discharges selected from two
years of ASDEX Upgrade experiments, from July 2002 to July 2004. In order to test the real …