Publicación:
EXPERIMENTAL VALIDATION IN A CONTROLLED ENVIRONMENT OF A METHODOLOGY FOR ASSESSING THE DYNAMIC BEHAVIOR OF RAILWAY TRACK COMPONENTS

dc.creatorDIEGO FERNANDO VENEGAS VASCONEZ
dc.date2022
dc.date.accessioned2025-01-10T15:32:35Z
dc.date.available2025-01-10T15:32:35Z
dc.date.issued2022
dc.description.abstractTHIS ARTICLE PRESENTS A NOVEL METHODOLOGY CONDUCTED UNDER CONTROLLED LABORATORY CONDITIONS TO ASSESS THE DYNAMIC BEHAVIOR OF THE COMPONENTS OF RAILWAY TRACKS BY APPLYING AN UNBALANCED MASS EXCITATION FORCE. THE METHODOLOGY FOR OBTAINING ACCURATE MEASUREMENTS, WHICH USES DIFFERENT EXCITATION PARAMETERS, IS BASED ON AN UNBALANCED MASS DEVICE, AND FROM THESE DATA, THE TRANSMISSIBILITY OF THE MASS-ELASTOMER SYSTEM IS ESTIMATED. FOR ASSESSMENT OF THE DYNAMIC BEHAVIOR, DIFFERENT SINE SWEEP RATE EXCITATIONS, THE UNBALANCED MASS, AND BACKGROUND NOISE ARE CONSIDERED. THE EXPERIMENTAL MEASUREMENTS OF TRANSMISSIBILITY WITH A SHAKER AND AN UNBALANCED MASS DEVICE ARE PERFORMED TO VALIDATE THE METHODOLOGY. FOR THIS, FREQUENCY-BY-FREQUENCY TRANSMISSIBILITY MEASUREMENTS AND THE SWEPT SINE WERE PERFORMED BY THE SHAKER, WITH A SINE SWEEP FROM 1 TO 51 HZ, USING THE UNBALANCED MASS DEVICE WITH DIFFERENT SINE SWEEP RATES AND UNBALANCED MASS. THE RESULTS OBTAINED ALLOW COMPARISON OF THE TRANSMISSIBILITY BY EXCITATION AT SPECIFIC FREQUENCIES AND THE SINE SWEEP TO VALIDATE THE EXCITATION PARAMETERS OF THE UNBALANCED MASS DEVICE. THUS, A TRANSMISSIBILITY ESTIMATION ERROR WITH THE SWEEP RATE, THE UNBALANCED MASS, AND THE BACKGROUND NOISE IS DEVELOPED. BY USING THE PROPOSED METHODOLOGY, IT IS POSSIBLE TO LOWER THE ERROR OF THE ESTIMATED TRANSMISSIBILITY OF THE SYSTEM WITH BACKGROUND NOISE.
dc.formatapplication/pdf
dc.identifier.doi10.3390/machines10050394
dc.identifier.issn2075-1702
dc.identifier.urihttps://repositorio.ubiobio.cl/handle/123456789/12508
dc.languagespa
dc.publisherMACHINES
dc.relation.uri10.3390/machines10050394
dc.rightsPUBLICADA
dc.titleEXPERIMENTAL VALIDATION IN A CONTROLLED ENVIRONMENT OF A METHODOLOGY FOR ASSESSING THE DYNAMIC BEHAVIOR OF RAILWAY TRACK COMPONENTS
dc.title.alternativeVALIDACIÓN EXPERIMENTAL EN UN ENTORNO CONTROLADO DE UNA METODOLOGÍA PARA EVALUAR EL COMPORTAMIENTO DINÁMICO DE LOS COMPONENTES DE VÍA FÉRREA
dc.typeARTÍCULO
dspace.entity.typePublication
ubb.EstadoPUBLICADA
ubb.Otra ReparticionDIRECCION DE INNOVACION
ubb.SedeCONCEPCIÓN
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