Browsing by Subject "Anàlisi de fallades (Enginyeria)"
Now showing items 1-20 of 58
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A fault/anomaly system prognosis using a data-driven approach considering uncertainty
(2012)
Conference report
Restricted access - publisher's policy -
A methodology for incipient fault detection
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Open AccessThis paper proposes a fault detection methodology for incipient faults that combines different residual generation methods (observers and l-step ahead predictors) with different convergence velocity to the real output ... -
A novel design of unknown input observers using set-theoretic methods for robust fault detection
(2016)
Conference report
Open AccessThis paper proposes a novel unknown input observer (UIO) design method, which incorporates the settheoretic notions into the design of UIOs. In this way, we can take advantage of both UIOs and set-theoretic methods in fault ... -
A set-based uncertainty quantification of evolving fuzzy models for data-driven prognostics
(Springer, 2022)
Conference report
Restricted access - publisher's policyRecent years have seen a great deal of innovation in the field of systems prognostics and health management. However, even with these advancements, some pertinent issues related with uncertainty in remaining useful life ... -
A supervisory active fault tolerant control framework for constrained linear systems*
(2020)
Conference report
Open AccessIn this paper, a supervisory active fault tolerant control (SAFTC) scheme is presented for linear systems with constraints. The SAFTC framework is composed of a fault diagnosis module, a reconfigurable controller and a ... -
Actualización del Manual de Cálculo IFSM para los indicadores del SISC de una central nuclear
(Universitat Politècnica de Catalunya, 2020-01-31)
Bachelor thesis
Restricted access - author's decisionEl objetivo de este trabajo de fin de grado puede desglosarse en hasta tres vertientes. Por un lado, a nivel académico, este trabajo pretende documentar a cualquier persona ajena a la energía nuclear acerca de los protocolos ... -
Advances in gain-scheduling and fault tolerant control techniques
(Universitat Politècnica de Catalunya, 2016-04-01)
Doctoral thesis
Open AccessThis thesis presents some contributions to the state-of-the-art of the fields of gain-scheduling and fault tolerant control (FTC). In the area of gain-scheduling, the connections between the linear parameter varying (LPV) ... -
Analysis of Neutral Point Clamped power converters in FPL systems under grid faults
(2022)
Conference lecture
Restricted access - publisher's policyDistribution lines are dealing with several challenges such as the increase of power consumption, the integration of renewable resources, etc. which are driving them to more intelligent grids or smart grids. In these smart ... -
Análisis de sensibilidad del cambio de metodología con parámetros alfa en el cálculo de fallos de causa común para una central nuclear
(Universitat Politècnica de Catalunya, 2019-07-03)
Bachelor thesis
Open AccessEl proyecto final de grado Análisis de sensibilidad del cambio de metodología con parámetros Alfa en el cálculo de fallos de causa común para una Central Nuclear se enmarca en un convenio de colaboración entre una central ... -
Approximating fault detection linear interval observers using -order interval predictors
(2017-07-01)
Article
Open AccessInterval observers can be described by an autoregressive-moving-average model while ¿-order interval predictors by a moving-average model. Because an autoregressive-moving-average (ARMA) model can be approximated by a ... -
BRIDGE: matching model-based diagnosis from FDI and DX perspectives
(Springer Nature, 2019-06-22)
Part of book or chapter of book
Open AccessAfter the introduction section of Chapter 7, section 7.2 first presents a brief overview of the approaches proposed by the FDI and DX model- based diagnosis communities. Although quite commonplace, this overview is neces- ... -
Cloud monitoring system for industrial engines maintenance
(Universitat Politècnica de Catalunya, 2020-07-21)
Master thesis
Open AccessThis document reflects the memory of the Master's Final Project of the master's studies: Master's degree in Automatic Systems and Industrial Electronics Engineering (MUESAEI), from the Polytechnic University of Catalonia ... -
Combined sensitivity analysis for multiple failure modes
(2022-05-10)
Article
Open AccessSensitivity analysis identifies the influential parameters and it is a key step in the design process. Focusing on reliability based design, the probability of a failure mode and its sensitivity to input uncertainties are ... -
Control predictiu d'errors de desalineament en un sistema de mesura parell
(Universitat Politècnica de Catalunya, 2019-07-18)
Bachelor thesis
Restricted access - author's decision
Covenantee: Airtificial Intelligent RobotsEs realitzarà un estudi sobre com predir els possibles errors de desalineament d’una màquina tipus EPP (Electric Power Pack). Parametritzant la tipologia de l’error, és limitarà el número de variables a estudiar. A ... -
Detección de averías en un aerogenerador
(Universitat Politècnica de Catalunya, 2017-06-15)
Bachelor thesis
Restricted access - confidentiality agreement -
Detección y diagnóstico de fallos múltiples en sistemas dinámicos usando análisis de componentes principales no lineal y residuos estructurados
(Universitat Politècnica de Catalunya, 2015-04-24)
Doctoral thesis
Open AccessIn recent years the detection and diagnosis of faults in devices and processes has been a field of research and development that has been addressed from multiple perspectives: control engineering, artificial intelligence ... -
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 ... -
Diagnóstico y control tolerante a fallos de un robot móvil omnidireccional
(Universitat Politècnica de Catalunya, 2015-10)
Bachelor thesis
Restricted access - author's decision -
Distributed fault diagnosis using minimal structurally over-determined sets: Application to a water distribution network
(IEEE Press, 2016)
Conference report
Open AccessDistributed fault diagnosis is becoming more and more common in industries, to diagnose faults in any large scale system. There are a lot of disadvantages using centralized fault diagnosis in large-scale systems, since in ... -
EDAC software implementation to protect small satellites memory
(Universitat Politècnica de Catalunya, 2019-06-05)
Master thesis
Open Access
Covenantee: Aalto-yliopisto. Sähkötekniikan korkeakouluRadiation is a well-known problem for satellites in space. It can produce different negative effects on electronic components which can provoke errors and failures. Therefore, mitigating these effects is especially important ...
