Search Results - "Cannas, B."
-
1
Improvements in disruption prediction at ASDEX Upgrade
Published in Fusion engineering and design (01-10-2015)“…•A disruption prediction system for AUG, based on a logistic model, is designed.•The length of the disruptive phase is set for each disruption in the training…”
Get full text
Journal Article -
2
Towards an automatic filament detector with a Faster R-CNN on MAST-U
Published in Fusion engineering and design (01-09-2019)“…In the present magnetically confined plasmas, the prediction of particle loading on material surfaces is a primary concern in view of the protection of plasma…”
Get full text
Journal Article -
3
eXplainable artificial intelligence applied to algorithms for disruption prediction in tokamak devices
Published in Frontiers in physics (14-05-2024)“…Introduction: This work explores the use of eXplainable artificial intelligence (XAI) to analyze a convolutional neural network (CNN) trained for disruption…”
Get full text
Journal Article -
4
Physics Informed Neural Networks towards the real-time calculation of heat fluxes at W7-X
Published in Nuclear materials and energy (01-03-2023)“…•Monitoring the heat flux in real-time is pivotal for steady-state fusion operation.•Existing 2D codes for heat flux estimation, such as THEODOR, are only…”
Get full text
Journal Article -
5
Disruption prediction with adaptive neural networks for ASDEX Upgrade
Published in Fusion engineering and design (01-10-2011)“…In this paper, an adaptive neural system has been built to predict the risk of disruption at ASDEX Upgrade. The system contains a Self Organizing Map, which…”
Get full text
Journal Article Conference Proceeding -
6
Disruption Prediction Approaches Using Machine Learning Tools in Tokamaks
Published in 2019 PhotonIcs & Electromagnetics Research Symposium - Spring (PIERS-Spring) (01-06-2019)“…Nuclear fusion is one of the best options to achieve a virtually limitless energy source in the future. However, sustaining burning plasma reactions is very…”
Get full text
Conference Proceeding -
7
Multivariate statistical models for disruption prediction at ASDEX Upgrade
Published in Fusion engineering and design (01-10-2013)“…In this paper, a disruption prediction system for ASDEX Upgrade has been proposed that does not require disruption terminated experiments to be implemented…”
Get full text
Journal Article -
8
Initial results from the hotspot detection scheme for protection of plasma facing components in Wendelstein 7-X
Published in Nuclear materials and energy (01-05-2019)“…•We present automatic, near real-time detection of hot spots and identification of surface layers on W7-X test divertor.•Events such as surface layers due to…”
Get full text
Journal Article -
9
Algorithms for the Automatic Identification of MARFEs and UFOs in JET Database of Visible Camera Videos
Published in IEEE transactions on plasma science (01-12-2010)“…MARFE instabilities and UFOs leave clear signatures in JET fast visible camera videos. Given the potential harmful consequences of these events, particularly…”
Get full text
Journal Article -
10
River flow forecast for reservoir management through neural networks
Published in Neurocomputing (Amsterdam) (01-10-2003)“…River flow forecasts are required to provide basic information for reservoir management in a multipurpose water system optimisation framework. An accurate…”
Get full text
Journal Article -
11
Mapping of the ASDEX Upgrade Operational Space for Disruption Prediction
Published in IEEE transactions on plasma science (01-03-2012)“…The mapping of the n -dimensional plasma parameter space of ASDEX Upgrade (AUG) has been performed using a 2-D self-organizing map (SOM), which reveals the map…”
Get full text
Journal Article -
12
Tracking of the plasma states in a nuclear fusion device using SOMs
Published in Neural computing & applications (01-09-2011)“…Knowledge discovery consists of finding new knowledge from databases where dimension, complexity, or amount of data is prohibitively large for human…”
Get full text
Journal Article Conference Proceeding -
13
Support vector machines for disruption prediction and novelty detection at JET
Published in Fusion engineering and design (01-10-2007)“…In the last years there has been a growing interest on black box approaches to disruption prediction. The drawback of these approaches is that the system could…”
Get full text
Journal Article Conference Proceeding -
14
Criteria and algorithms for constructing reliable databases for statistical analysis of disruptions at ASDEX Upgrade
Published in Fusion engineering and design (01-06-2009)“…The present understanding of disruption physics has not gone so far as to provide a mathematical model describing the onset of this instability. A disruption…”
Get full text
Journal Article Conference Proceeding -
15
Neural reconstruction of Lorenz attractors by an observable
Published in Chaos, solitons and fractals (01-07-2002)“…In this paper, Locally Recurrent Neural Networks (LRNNs) are used to learn the chaotic trajectory of the Lorenz system starting from measurements of an…”
Get full text
Journal Article -
16
A generalization of a piece-wise linear circuit model of hysteresis
Published in IEEE transactions on magnetics (01-03-2002)“…A generalization of a piece-wise linear (PWL) circuit model of hysteresis is presented. The model is defined as superposition of hysteresis operators…”
Get full text
Journal Article Conference Proceeding -
17
Higher order reversal hysteresis curves approximation by a piecewise linear circuit model of hysteresis
Published in IEEE transactions on magnetics (01-05-2003)“…The approximation properties of higher order reversal hysteresis curves by means of a piecewise linear (PWL) circuit model of hysteresis are studied. The model…”
Get full text
Journal Article Conference Proceeding -
18
MHD spectrogram contribution to disruption prediction using Convolutional Neural Networks
Published in Fusion engineering and design (01-07-2024)“…•A disruption prediction system for JET, based on a Convolutional Neural Network, is designed.•The contribution of the Mirnov coil measurement spectrogram to…”
Get full text
Journal Article -
19
CNN disruption predictor at JET: Early versus late data fusion approach
Published in Fusion engineering and design (01-08-2023)“…This work focuses on the development of a data driven model, based on Convolutional Neural Networks (CNNs), for the real-time detection of disruptive events at…”
Get full text
Journal Article -
20
An algebraic observability approach to chaos synchronization by sliding differentiators
Published in IEEE transactions on circuits and systems. 1, Fundamental theory and applications (01-07-2002)“…In this paper, an observability approach to the synchronization of chaotic and hyperchaotic systems is presented. The proposed method allows the reconstruction…”
Get full text
Journal Article