Browsing by Author "Cusidó Roura, Jordi"
Now showing items 1-20 of 39
-
80C537 Microcontroller remote lab for e-learning teaching
(2006-11-14)
Article
Open AccessA remote microcontroller lab based on an 80C537 mock-up is presented. This paper presents a new way to interact with these kinds of systems via the Internet, giving the possibility for complete interaction. The Citrix ... -
A text-mining approach to assess the failure condition of wind turbines using maintenance service history
(2019-05-23)
Article
Open AccessDetecting and determining which systems or subsystems of a wind turbine have more failures is essential to improve their design, which will reduce the costs of generating wind power. Two of the most critical failures, the ... -
An ensemble learning solution for predicitive manintenance of wind turbines main bearing
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-02)
Article
Open AccessA novel and innovative solution addressing wind turbines’ main bearing failure predictions using SCADA data is presented. This methodology enables to cut setup times and has more flexible requirements when compared to the ... -
An mHealth intervention for the treatment of patients with an eating disorder: A multicenter randomized controlled trial
(2020-07)
Article
Open AccessObjective: The current multicentre randomized controlled trial assessed the clinicalefficacy of a combined mHealth intervention for eating disorders (EDs) based on cog-nitive behavioral therapy (CBT).Method: A total of 106 ... -
Assessing the capability of advanced AI models in cardiovascular symptom recognition:a comparative study
(Multidisciplinary Digital Publishing Institute, 2024-09-19)
Article
Open AccessThe field of medical informatics has been significantly transformed in recent years with the emergence of Natural Language Understanding (NLU) and Large Language Models (LLM), providing new opportunities for innovative ... -
Bearings fault detection using inference tools
(In-Tech, 2011-09)
Part of book or chapter of book
Open AccessThe most used electric machine in the industry is the Induction Motor (IM), due to its simplicity and reduced cost. The analysis of the origin of IMs failures exhibits that the bearings are the major source of fault, and ... -
Closed-loop controller for eliminating the contact bounce in DC core contactors
(2010-09)
Article
Open AccessThe undesirable phenomenon of the contact bounce causes severe erosion of the contacts and, as a consequence, their electrical life and reliability are greatly reduced. On the other hand, the bounce of the armature can ... -
Condition monitoring system for characterization of electric motor ball bearings with distributed fault using fuzzy inference tools
(2010-05-06)
Article
Open AccessThe present work shows a condition monitoring system applied to electric motors ball bearings. Unlike most of the previous work on this area, which is mainly focused on the location of single-point defects in bearing ... -
Curso práctico de microprocesadores con metodología semipresencial
(Universitat Politècnica de Catalunya, 2004)
Conference report
Open AccessEl objetivo final de esta experiencia es mejorar la docencia impartida por el Departamento de Ingeniería Electrónica en el Campus de Terrassa de la UPC en el área de microprocesadores. La mejora tiene dos ejes fundamentales, ... -
Demagnetization diagnosis in permanent magnet synchronous motors under non-stationary speed conditions
(2010-10)
Article
Restricted access - publisher's policyPermanent magnet synchronous motors (PMSMs) are applied in high performance positioning and variable speed applications because of their enhanced features with respect to other AC motor types. Fault detection and diagnosis ... -
Detection of Wind Turbine Failures through Cross-Information between Neighbouring Turbines
(Multidisciplinary Digital Publishing Institute, 2022-10-01)
Article
Open AccessIn this paper, the time variation of signals from several SCADA systems of geographically closed turbines are analysed and compared. When operating correctly, they show a clear pattern of joint variation. However, the ... -
Development of a Mobile Application for People with Obesity
(2021-01-01)
Article
Open Access -
Diagnosis method for suspension-errors detection in electro-dynamic loud-speakers
(2011)
Conference report
Restricted access - publisher's policyIn this paper, the wear of the suspensions in a speaker. This phenomenon can be characterized and seen as a variation of half inductance seen from the amplifier, because that value depends directly on the minimum and ... -
Dynamic evaluation of fringing flux in linear electromechanical devices
(2010-03-12)
Article
Restricted access - publisher's policyAccurate dynamic models of electromechanical devices are essential in order to develop effective motion control strategies of such devices. The effects of fringing flux can not be ignored when dealing with electromagn ... -
Effects of the pre-processing algorithms in fault diagnosis of wind turbines
(Elsevier, 2018-12)
Article
Open AccessThe wind sectors pends roughly 2200M€ in repair the wind turbines failures. These failures do not contribute to the goal of reducing greenhouse gases emissions. The 25–35% of the generation costs are operation and maintenance ... -
EMA fault detection using fuzzy inference tools
(2012-03-02)
Part of book or chapter of book
Open AccessAcoustic emission (AE) is one of the most important non-destructive testing (NDT) methods for materials, constructions and machines. Acoustic emission is defined as the transient elastic energy that is spontaneously released ... -
Estudio de microgrids con interfases de convertidores de DC/AC
(2011)
Conference report
Open AccessEste artículo presenta un estudio de Microgrids con interfases de convertidores DC/AC. El artículo muestra los modos de operación de las Microgrids, además implementa un modelo de pequeña señal para el modo de operación ... -
Exploratory analysis of SCADA data from wind urbines using the K-Means clustering algorithm for predictive maintenance purposes
(2023-02-10)
Article
Open AccessProduct maintenance costs throughout the product’s lifetime can account for between 30–60% of total operating costs, making it necessary to implement maintenance strategies. This problem not only affects the economy but ... -
Fault detection by means of Hilbert-Huang transform of the stator current in a PMSM with demagnetization
(2010-06)
Article
Open AccessThis paper presents a novel method to diagnose demagnetization in permanent-magnet synchronousmotor (PMSM). Simulations have been performed by 2-D finite-element analysis in order to determine the current spectrum and ... -
Fault-Tolerant Control of a Wind Turbine Generator Based on Fuzzy Logic and Using Ensemble Learning
(2021-08-20)
Article
Open AccessWind energy is a form of renewable energy with the highest installed capacity. However, it is necessary to reduce the operation and maintenance costs and extend the lifetime of wind turbines to make wind energy more ...
