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Determination of rail vertical profile through inertial methods

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Determination of rail vertical profile through inertial methods

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dc.contributor.author Real Herráiz, Julia Irene es_ES
dc.contributor.author Salvador Zuriaga, Pablo es_ES
dc.contributor.author Montalbán Domingo, María Laura es_ES
dc.contributor.author Bueno, M. es_ES
dc.date.accessioned 2013-05-15T11:35:25Z
dc.date.issued 2011
dc.identifier.issn 0954-4097
dc.identifier.uri http://hdl.handle.net/10251/28866
dc.description.abstract Undergrounds and other metropolitan railway systems are characterized by their intense traffic, lasting up to 20 h per day, and so they need their maintenance work programmes to be optimized, implying an optimization of the monitoring processes. This article proposes an alternative to the traditional optical methods for monitoring rail profiles which can only be carried out by special vehicles. This is a new procedure that obtains the rail profile by means of inertial methods. The model this work is based on takes its input from the vertical accelerations produced in railway axles measured in trains running on regular services and calculates the rail irregularities that have originated them. The model uses the Fourier transform in order to solve the equations and find the transfer function that relates the input function and the output function in the frequency domain. The solution is then reverted into the time domain by applying the inverse Fourier transform. Data input comes from real measurements taken on line 9 of the Madrid underground, and the model's effectiveness was then analysed by comparing the output data with the rail profile taken using optical methods. es_ES
dc.language Inglés es_ES
dc.publisher Professional Engineering Publishing es_ES
dc.relation.ispartof PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART F-JOURNAL OF RA es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Railway maintenance es_ES
dc.subject Inertial methods es_ES
dc.subject Rail profile es_ES
dc.subject Fourier transform es_ES
dc.subject Track monitoring es_ES
dc.subject TRACK MAINTENANCE es_ES
dc.subject DEFECT DIAGNOSIS es_ES
dc.subject INSPECTION es_ES
dc.subject Engineering es_ES
dc.subject Transportation es_ES
dc.subject.classification INGENIERIA E INFRAESTRUCTURA DE LOS TRANSPORTES es_ES
dc.title Determination of rail vertical profile through inertial methods es_ES
dc.type Artículo es_ES
dc.embargo.lift 10000-01-01
dc.embargo.terms forever es_ES
dc.identifier.doi 10.1243/09544097JRRT353
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería e Infraestructura de los Transportes - Departament d'Enginyeria i Infraestructura dels Transports es_ES
dc.description.bibliographicCitation Real Herráiz, JI.; Salvador Zuriaga, P.; Montalban Domingo, ML.; Bueno, M. (2011). Determination of rail vertical profile through inertial methods. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART F-JOURNAL OF RA. 225:14-23. doi:10.1243/09544097JRRT353 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://pif.sagepub.com/content/225/1/14.full.pdf+html es_ES
dc.description.upvformatpinicio 14 es_ES
dc.description.upvformatpfin 23 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 225 es_ES
dc.relation.senia 236479
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