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dc.rights.licenseAttribution 4.0 International*
dc.contributor.authorAlonso, Marcos
dc.contributor.authorIzaguirre Altuna, Alberto
dc.contributor.otherAndonegui Artegui, Imanol
dc.contributor.otherGraña Romay, Manuel
dc.date.accessioned2020-09-23T06:58:49Z
dc.date.available2020-09-23T06:58:49Z
dc.date.issued2020
dc.identifier.issn1424-8220en
dc.identifier.otherhttps://katalogoa.mondragon.edu/janium-bin/janium_login_opac.pl?find&ficha_no=159900en
dc.identifier.urihttps://hdl.handle.net/20.500.11984/1835
dc.description.abstractFlatness sensors are required for quality control of metal sheets obtained from steel coils by roller leveling and cutting systems. This article presents an innovative system for real-time robust surface estimation of flattened metal sheets composed of two line lasers and a conventional 2D camera. Laser plane triangulation is used for surface height retrieval along virtual surface fibers. The dual laser allows instantaneous robust and quick estimation of the fiber height derivatives. Hermite cubic interpolation along the fibers allows real-time surface estimation and high frequency noise removal. Noise sources are the vibrations induced in the sheet by its movements during the process and some mechanical events, such as cutting into separate pieces. The system is validated on synthetic surfaces that simulate the most critical noise sources and on real data obtained from the installation of the sensor in an actual steel mill. In the comparison with conventional filtering methods, we achieve at least a 41% of improvement in the accuracy of the surface reconstruction.en
dc.description.sponsorshipGobierno de Españaes
dc.description.sponsorshipUnión Europeaes
dc.description.sponsorshipGobierno Vascoes
dc.language.isoengen
dc.publisherMDPI AGen
dc.rights© 2020 by the authors. Licensee MDPI, Basel, Switzerlanden
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectcubic Hermite interpolationen
dc.subjectlaser triangulationen
dc.subjectmetal sheeten
dc.subjectflatness measurementen
dc.subjectroller levelingen
dc.subjectsmooth surface reconstructionen
dc.subjectshape measurement systemen
dc.titleOptical Dual Laser Based Sensor Denoising for OnlineMetal Sheet Flatness Measurement Using Hermite Interpolationen
dcterms.accessRightshttp://purl.org/coar/access_right/c_abf2en
dcterms.sourceSensorsen
local.contributor.groupRobótica y automatizaciónes
local.description.peerreviewedtrueen
local.identifier.doihttps://doi.org/10.3390/s20185441en
local.relation.projectIDGE/Programa estatal de fomento de la investigación científica y técnica de excelencia, subprograma estatal de generación del conocimiento, en el marco del plan estatal de investigación científica y técnica y de innovación 2013-2016, convocatoria 2017/TIN2017-85827-P/ES/Técnicas avanzadas de análisis e interpretación de datos de etología computerizada: aplicaciones en neuroetologia/en
local.relation.projectIDinfo:eu-repo/grantAgreement/EC/RFCS/RFCS-2018-800730/DP1000 steel press bending holistic process chain improvement by novel control techniques and through thickness residual stress tailoring/FLATBENDen
local.relation.projectIDGV/Ikertalde Convocatoria 2019-2021/IT1284-19/CAPV//en
local.rights.publicationfeeAPCen
local.rights.publicationfeeamount1880 EUR (2000 CFH)en
local.contributor.otherinstitutionUPV/EHUes
local.source.detailsVol. 20. N. 18. N. Art. 5441, 2020en
oaire.format.mimetypeapplication/pdf
oaire.file$DSPACE\assetstore
oaire.resourceTypehttp://purl.org/coar/resource_type/c_6501en
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85en


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Attribution 4.0 International
Except where otherwise noted, this item's license is described as Attribution 4.0 International