Browsing by Title
Now showing items 3946-3965 of 4811
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A novel formulation for radial fretting wear: Application to false brinelling in thrust bearings
(Elsevier Ltd., 2021)Radial fretting is defined as the damage caused by the relative motion of a ball under a variable normal load. The conducted experimental tests proved the existence of this damage even in contacting bodies with similar ... -
Novel High Accuracy Resolver Topology for Space Applications
(MDPI, 2021)In recent years, the space industry has experienced a significant change mainly due to the incursion of private companies, which has shaken up the sector. This new situation allows for a reduction regarding the reliability ... -
A novel indirect cryogenic cooling system for improving surface finish and reducing cutting forces when turning ASTM F-1537 cobalt-chromium alloys
(Springer, 2020)This paper presents a novel indirect cryogenic cooling system, employing liquid nitrogen (LN2) as a coolant for machining the difficult-to-cut ASTM F-1537 cobalt-chromium (CoCr) alloy. The prototype differs from the already ... -
A novel machine learning‐based methodology for tool wear prediction using acoustic emission signals
(MDPI, 2021)There is an increasing trend in the industry of knowing in real-time the condition of their assets. In particular, tool wear is a critical aspect, which requires real-time monitoring to reduce costs and scrap in machining ... -
A novel methodology to characterize tool-chip contact in metal cutting using partially restricted contact length tools
(2021)A novel methodology to map the friction and normal stress distribution on the rake face using Partially Restricted Contact Length Tools in orthogonal cutting tests is proposed. The influence of cutting speed, feed and ... -
A Novel Model for Vulnerability Analysis through Enhanced Directed Graphs and Quantitative Metrics
(MDPI, 2022)The rapid evolution of industrial components, the paradigm of Industry 4.0, and the new connectivity features introduced by 5G technology all increase the likelihood of cybersecurity incidents. Such incidents are caused ... -
Novel SHM method to locate damages in substructures based on VARX models
(IOP, 2015)A novel damage localization method is proposed, which is based on a substructuring approach and makes use of Vector Auto-Regressive with eXogenous input (VARX) models. The substructuring approach aims to divide the monitored ... -
Nuevas metodologías centradas en el usuario para la creación de software en la industria 4.0
(Dyna, 2017)La cuarta revolución industrial o más conocida como la industria 4.0 ha supuesto una gran transformación en el ámbito de la máquina herramienta. Mediante los sistemas ciber-físicos se logra conectar todos los objetos de ... -
Nuevo modelo de evaluación de ideas conceptuales para productos y servicios basados en la experiencia de usuario
(Publicaciones DYNA, S.L., 2016)More and more companies are integrating the experience design into their development process. This new approach allows to develop new products and services, based on user's emotions and motivations. In order to advance in ... -
Nuevo modelo para evaluar el nivel de aceptación de las tecnologías desde la perspectiva de la interacción y percepción de usuario
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2020)New trends in Industry 4.0 are focused on the importance of human-machine collaboration, promoting closer cooperation between both and encouraging the efficient use of machines and people in a cooperative environment ... -
Nuevos modelos y horizontes en la formación permanente del profesorado de literatura a partir de la práctica reflexiva
(Universidade de Vigo, 2023)Este trabajo presenta el diseño, implementación y análisis de dos procesos de formación-investigada (Lussi-Borer y Muller, 2014), llevados a cabo con el profesorado de varios cursos de dos centros de Educación ... -
Nuevos Paradigmas de Análisis Basados en Contenidos para la Detección del Spam en RRSS
(Sociedad Española para el Procesamiento del Lenguaje Natural, 2018)Tesis doctoral realizada por Enaitz Ezpeleta Gallastegi en Mondragon Unibertsitatea, dentro del grupo de Sistemas Inteligentes para Sistemas Industriales, dirigida por los Doctores Urko Zurutuza Ortega (Mondragon Unibertsitatea) ... -
¿Nuevos patrones de investigación? Dinámicas de apertura y cierre en el proceso de integración socio-técnica
(Consejo Superior de Investigaciones Científicas (CSIC), 2019)La formulación de las políticas de investigación y desarrollo está siendo transformada de manera novedosa en los documentos más recientes que se elaboran en Europa. Una de las peculiaridades es que los patrones de investigación ... -
Null is Not Always Empty: Monitoring the Null Space for Field-Level Anomaly Detection in Industrial IoT Environments
(IEEE, 2018)Industrial environments have vastly changed sincethe conception of initial primitive and isolated networks. Thecurrent full interconnection paradigm, where connectivity be-tween different devices and the Internet has become ... -
Number-phase uncertainty relations and bipartite entanglement detection in spin ensembles
(Quantum, 2023)We present a method to detect bipartite entanglement based on number-phase-like uncertainty relations in split spin ensembles. First, we derive an uncertainty relation that plays the role of a number-phase uncertainty for ... -
Numerical analysis of AISI 321 alloy material parameters on rubber pad diaphragm forming
(IOP Publishing, 2022)Rubber pad diaphragm forming is a technology that uses a rigid die in conjunction with a flexible polyurethane tool and fluid pressure action in order to shape metal sheets. In this process, the action of the fluid forms ... -
Numerical analysis of different mass transfer models for falling film absorbers
(Elsevier Ltd., 2022)Different methodologies have been used in the literature to determine the absorbed vapour mass flux in falling film absorbers. So far, however, there has been little discussion about the impact of different ap- proaches ... -
A numerical analysis of multiaxial fatigue in a butt weld specimen considering residual stresses
(EDP Sciences, 2018)Residual Stress (RS) pattern changes considerably depending on the width of the plates and the welding parameters, having effect on the fatigue strength. Most of the standards do not consider them and in some works, yield ... -
Numerical characterization of local and global non-uniformities in the load distribution in ball screws
(Springer, 2021)Load distribution in ball screws is a representation of the ball contact stress, and it is fundamental to understanding the behavior of these machine elements. This work aims to conduct a multi-variable analysis of the ... -
Numerical characterization study of pressure drop and heat transfer phenomena in woven wire matrix of a stirling engine regenerator
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2014)Stirling engines are an attractive alternative for micro-cogeneration mainly motivated for it is able to use any heat source and achieve high efficiency. A crucial component in these engines is the regenerator, which has ...