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A linear equation based on signal increments to predict disruptive behaviours and the time to disruption on JET

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dc.contributor.authorVega, J.
dc.contributor.authorMurari, A.
dc.contributor.authorHernández, F.
dc.contributor.authorCruz, T.
dc.contributor.authorGadariya, Dhaval
dc.contributor.authorRattá, Giuseppe A.
dc.contributor.authorContributors, JET.
dc.contributor.authorDormido Canto, Sebastián
dc.date.accessioned2024-05-20T11:34:34Z
dc.date.available2024-05-20T11:34:34Z
dc.date.issued2019-12-13
dc.description.abstractThis article describes the development of a generic disruption predictor that is also used as basic system to provide an estimation of the time to disruption at the alarm times. The mode lock signal normalised to the plasma current is used as input feature. The recognition of disruptive/non-disruptive behaviours is not based on a simple threshold of this quantity but on the evolution of the amplitudes between consecutive samples taken periodically. The separation frontier between plasma behaviours (disruptive/non-disruptive) is linear in such parameter space. The percentages of recognised and false alarms are 98% and 4%, respectively. The recognised alarms can be split into valid alarms (90%) and late detections (8%). The experimental distribution of warning times follows an exponential model with average warning time of 443 ms. On the other hand, the prediction of the time to the disruption has been fitted to a Weibull model that relates this predicted time to the distance of the points to the diagonal in the parameter space of consecutive samples. The model shows a very good agreement between predicted times and warning times in narrow time intervals (between 0.01 s and 0.06 s) before the disruption.en
dc.description.versionversión final
dc.identifier.doi10.1088/1741-4326/ab5880
dc.identifier.issn1741-4326
dc.identifier.urihttps://hdl.handle.net/20.500.14468/12247
dc.journal.issue2
dc.journal.titleNuclear Fusion
dc.journal.volume60
dc.language.isoen
dc.publisherIOP Publishing
dc.relation.centerE.T.S. de Ingeniería Informática
dc.relation.departmentInformática y Automática
dc.rightsAtribución-NoComercial-SinDerivadas 4.0 Internacional
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0
dc.subject.keywordsdisruption prediction
dc.subject.keywordsdisruption time prediction
dc.subject.keywordsJET
dc.subject.keywordsnuclear fusion
dc.titleA linear equation based on signal increments to predict disruptive behaviours and the time to disruption on JETes
dc.typeartículoes
dc.typejournal articleen
dspace.entity.typePublication
relation.isAuthorOfPublicationf5f57d8a-f3c0-40a1-a93c-80d6237a2bcb
relation.isAuthorOfPublication.latestForDiscoveryf5f57d8a-f3c0-40a1-a93c-80d6237a2bcb
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