Browsing Ikerketa-Artikuluak by Title
Now showing items 158-177 of 228
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Near Solidus Forming (NSF): Semi-Solid Steel Forming at High Solid Content to Obtain As-Forged Properties
(MDPI AG, 2020)Near solidus forming (NSF) of steels is a novel process under the umbrella of semi-solid forming technologies midway between classical hot forging and semi-solid technologies. This article presents the work done at Mondragon ... -
Necesidades a Futuro y Situación Actual de las Competencias en Educación Superior en el Contexto de España
(Oficina de Investigación y Efectividad Institucional de la Dirección de Aseguramiento de la Calidad, Universidad Peruana de Ciencias Aplicadas, 2018)Este artículo tiene como objetivo analizar y reflexionar sobre: (a) el papel que las competencias –como componente definitorio de la actividad laboral y la ocupación en las próximas décadas– tienen en una sociedad ... -
Neural Network Direct Control with Online Learning for Shape Memory Alloy Manipulators
(MDPI AG, 2019)New actuators and materials are constantly incorporated into industrial processes, and additional challenges are posed by their complex behavior. Nonlinear hysteresis is commonly found in shape memory alloys, and the ... -
Neuro-Sliding Control for Underwater ROV’s Subject to Unknown Disturbances
(MDPI, 2019)Proposed in this paper is a model-free and chattering-free second order sliding mode control(2nd-SMC) in combination with a backpropagation neural network (BP-NN) control scheme for underwater vehicles to deal with external ... -
New Calibration method to measure Rake Face Temperature of the tool during Dry Orthogonal Cutting using Thermography
(Elsevier Ltd., 2018)A new method for measuring temperature in the rake face of a tool during dry orthogonal cutting using ther- mography is presented. In addition, a new technique is also used to calibrate the infrared camera. Using ... -
A New Method to Evaluate Good Design for Brand Recognition in the Digital World
(Routledge, 2019)Visual aesthetics has become a crucial element in strengthening brand experience. In the digital era, however, designers need to approach aesthetics from a holistic standpoint where both traditional and more modern ... -
A novel forming technique to coforge bimetal components into complex geometries
(Elsevier Ltd., 2020)The novel Near Solidus Forming process has been used to coforge stainless steel 304 to encapsulate a core of 42CrMo4 steel in Stainless 304 in the form of a complex spindle. The forging was achieved with a force of 280 t, ... -
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 ... -
Numerical Simulation of Surface Modification During Machining of Nickel-based Superalloy
(Elsevier, 2015)The main objective of this study is to implement a reliable FE model of the orthogonal machining of a Nickel based superalloy for the prediction of microstructural changes occurring during the process. A FE numerical model ... -
Numerical simulation of the roll levelling of third generation fortiform 1050 steel using a nonlinear combined hardening material model
(IOP Publishing Ltd, 2017)Elasto–plastic behavior of the third generation Fortiform 1050 steel has been analysed using cyclic tension–compression tests. At the same time, the pseudo elastic modulus evolution with plastic strain was analysed using ... -
Numerical simulation of U-Drawing test of Fortiform 1050 steel using different material models
(Elsevier Ltd., 2017)Steel has been used in vehicles from the automotive industry's inception. Different steel grades are continually being developed in order to satisfy new fuel economy requirements. For example, advanced high ... -
On the accurate characterization of the drawbead up-lift forces
(IOP Publishing Ltd., 2018)The competitiveness of the automotive sector has led to a high demand of accuracy and reduction in lead-time of the deep drawing tool making process. In that regard, the numerical simulation of the deep drawing process has ... -
On the impact of long-term wave trends on the geometry optimisation of oscillating water column wave energy converters
(Elsevier Ltd., 2020)Wave trends have been shown to be relevant to energy generation in various areas of the world. Accordingly, this article describes the impact of wave trends on the design of oscillating water column wave energy converters. ... -
On the Role of a ZDDP in the Tribological Performance of Femtosecond Laser-Induced Periodic Surface Structures on Titanium Alloy against Different Counterbody Materials
(MDPI, 2019)Laser-induced periodic surface structures (LIPSS, ripples) with ~500–700 nm period were produced on titanium alloy (Ti6Al4V) surfaces upon scan processing in air by a Ti:sapphire femtosecond laser. The tribological ... -
On the Role of Contact and System Stiffness in the Measurement of Principal Variables in Fretting Wear Testing
(MDPI AG, 2020)In this work, the role of the contact stiffness in the measurement of principal variables in fretting wear tests is assessed. Several fretting wear tribometers found in the literature, including one developed by the authors, ... -
Opportunities and incentives for Remanufacturing in the Basque Country
(Elsevier B.V., 2018)Remanufacturing is a business model that helps the development of the circular economy. There are numerous successful examples of remanufactured products in different industrial sectors of Europe and US. Obtaining the ... -
Opportunities and policy challenges of digital economy to small regions: the case of Gipuzkoa
(SINNERGIAK Social Innovation, 2018)Nations and territories have new and varied challenges with respect to promoting continuous growth in the economy. The purpose of this article is to determine the opportunities and difficulties faced by the ... -
Optical Dual Laser Based Sensor Denoising for OnlineMetal Sheet Flatness Measurement Using Hermite Interpolation
(MDPI AG, 2020)Flatness 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 ... -
Partial Power Processing Based Converter for Electric Vehicle Fast Charging Stations
(MDPI, 2021)This paper focuses on the design of a charging unit for an electric vehicle fast charging station. With this purpose, in first place, different solutions that exist for fast charging stations are described through a brief ...
