eBiltegia: Recent submissions
Now showing items 1-20 of 488
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Experimental and numerical analysis of the elastic behaviour of the TRIP 700 steel for springback predictions
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2012)The demand for lightweight fuel-efficient vehicles and the increasing industrial competitiveness between constructors have motivated the automotive industry to introduce new materials and to reinforce the accuracy of metal ... -
Direct control strategy for PMSMS in railway traction application
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2013)En esta tesis se ha presentado y validado el control directo denominado DSC como una nueva propuesta para el control de motores de imanes permanentes en aplicaciones de tracción ferroviaria. Esta hipótesis ha sido analizada ... -
Mikrofresaketa prozesuaren fidagarritasuna mugatzen duten aldagaien azterketa teoriko-praktikoa
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2011)The micromachining process, the same as any other industrial process, must offer high reliability so that it can be integrated in the manufacturing industry. In order to ensure their reliability, machining processes like ... -
Dynamic Multilevel Workflow Management Concept for Industrial IoT Systems
(IEEE, 2020)Workflow management is implemented in manufacturing at many levels. The nature of processes variesat each level, hindering the use of a standard modeling orimplementation solution. The creation of a flexible ... -
Hybrid energy storage systems via power electronic converters
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2019)In recent years, many research lines have focused their efforts on improving energy efficiency and developing renewable energy sources. In this context, the use of energy storage systems is on the rise, as they can contribute ... -
A sensibility analysis to geometric and cutting conditions using the particle finite element method (PFEM)
(Elsevier, 2013)The (PFEM) is employed to simulate orthogonal metal cutting of 42CD4 steel. The objectives of this work are mainly three: The first one is to validate PFEM strategies as an efficient tool for numerical simulation of metal ... -
Multi revolution finite element model to predict machining induced residual stresses in Inconel 718
(Elsevier, 2013)Inconel 718 is commonly used in structural critical components of aircraft engines due to its mechanical thermal properties at high temperatures, which makes it to be considered as a difficult to machine material. In these ... -
3D inspection methods for specular or partially specular surfaces
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2020)Deflectometric techniques are a powerful tool for the automated quality control of specular or shiny surfaces. These techniques are based on using a camera to observe a reference pattern reflected on the surface under ... -
Simulation of distortion due to machining of thin-walled components
(Elsevier, 2013)The distortion of components is strongly related to the residual stress state induced by manufacturing processes like heat treatment, forming or machining. Each process step affects the initial stress state of the following ... -
Evolution of residual stresses induced by machining in a Nickel based alloy under static loading at room temperature
(Elsevier, 2014)Tensile residual stresses are very often generated on the surface when machining nickel alloys. In order to determine their influence on the final mechanical behaviour of the component residual stress stability should be ... -
Modeling for harmonic analysis of ac offshore wind power plants
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2019)This Ph.D. dissertation presents the work carried out on the modeling, for harmonic analysis, of AC offshore wind power plants (OWPP). The studies presented in this Ph.D. thesis are oriented to two main aspects regarding ... -
Remaining useful life estimations applied on the sizing and the prognosis of lithium ion battery energy storage systems
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2020)The present thesis develops an accurate sizing tool for the most relevant lithium ion battery energy storage system applications considering the aging and the remaining useful life. The developed tool involves firstly, the ... -
An attribute oriented induction based methodology to aid in predictive maintenance: anomaly detection, root cause analysis and remaining useful life
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2019)Predictive Maintenance is the maintenance methodology that provides the best performance to industrial organisations in terms of time, equipment effectiveness and economic savings. Thanks to the recent advances in technology, ... -
Electrochemical model-based advanced battery control systems
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2020)Nowadays energetic scenario is changing, improving the actual energy mix, and using cleaner and more sustainable energy generation and consumption methods. Renewable energies are key within this context for a more ... -
Influence of alternative mould materials and inhibitors on mould-metal reactions in magnesium investment casting
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2012)Investment casting of magnesium is a process well suited for the production of aeronautic and automotive components, as light density components in medium and small series are obtained. But, still nowadays, this process ... -
Air coupled ultrasonic inspection of fiber reinforced composite materials
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2020)The increase in the use of composite materials in recent years has led the industry into the development of new composite manufacturing processes, like the 3D ultraviolet pultrusion. These new manufacturing processes usually ... -
Finite Element Prediction of the Tool Wear Influence in Ti6Al4V Machining
(Elsevier, 2015)Ti6Al4 V is a titanium alloy widely used in the aeronautical industry and machining is often adopted to manufacture it. These parts must satisfy requirements specified by the customer. A crucial characteristic of aircraft ... -
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 ... -
La innovación abierta en los centros tecnológicos y su efecto en el desempeño
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2020)The present investigation focuses in research and technology organizations, which are R&D agents, with a mission is to contribute to business development through knowledge and technology transfer. Research and technology ... -
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. ...
