Browsing by Subject "Tolerància als errors (Enginyeria)"
Now showing items 1-20 of 51
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A bank of virtual sensors for active fault tolerant control of LPV systems
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Restricted access - publisher's policyIn this paper, a Fault Tolerant Control (FTC) strategy based on a bank of virtual sensors is proposed for Linear Parameter Varying (LPV) systems subject to sensor faults, with the novel feature that, instead of hiding the ... -
A bounded-error approach to simultaneous state and actuator fault estimation for a class of nonlinear systems
(2017-04-01)
Article
Open AccessThis paper proposes an approach for the joint state and fault estimation for a class of uncertain nonlinear systems with simultaneous unknown input and actuator faults. This is achieved by designing an unknown input observer ... -
A remote sensing scheme for fault diagnosis to wind turbines: an academic experimental set-up
(2021-09)
Article
Open AccessNowadays, remote sensing for structural fault examination to wind turbines is an important technological challenger. On the other hand, laser diodes represent a low-cost option to implement a remote vibrometer sensor by ... -
A remote sensing scheme for fault diagnosis to wind turbines: an academic experimental set-up
(2021)
Conference report
Open AccessNowadays, remote sensing for structural fault examination to wind turbines is an important technological challenger. On the other hand, laser diodes represent a low-cost option to implement a remote vibrometer sensor by ... -
A virtual actuator approach for fault tolerant control of switching LPV systems
(2014)
Conference report
Restricted access - publisher's policyIn this paper, virtual actuators are proposed as a Fault Tolerant Control (FTC) strategy for switching Linear Parameter Varying (LPV) systems subject to actuator faults. The overall solution relies on the addition of a ... -
A virtual actuator approach for the fault tolerant control of unstable linear systems subject to actuator saturation and fault isolation delay
(2015-01-01)
Article
Open AccessThis paper presents a fault tolerant control (FTC) strategy for unstable linear systems subject to actuator saturation and fault isolation delay. The solution relies on virtual actuators, an active fault-hiding method that ... -
Accurate Bearing Faults Classification based on Statistical-Time Features, Curvilinear Component Analysis and Neural Networks
(2012)
Conference report
Restricted access - publisher's policyBearing faults are the commonest form of malfunction associated with electrical machines. So far, the research has been carried out mainly in the detection of localized faults, but the diagnosis of distributed faults ... -
Actuator fault tolerance evaluation approach of nonlinear model predictive control systems using viability theory
(2018-11-01)
Article
Open AccessIn this paper, an approach to evaluate the actuator fault tolerance of a nonlinear model predictive control (NMPC) system using viability theory is proposed. Viability theory provides several concepts formulated in a set ... -
An LPV modelling and fault diagnosis in wind turbine benchmark system
(2017-07-01)
Article
Open AccessIn order to keep away wind turbines from catastrophic conditions due to sudden breakdowns, it is important to detect faults as soon as possible. For diagnosis, a model-based approach is chosen. There are many works that ... -
An output-feedback fault-tolerant control approach for multiple faults
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Open AccessThis paper proposes an output-feedback fault-tolerant control approach for multiple faults. The proposed approach is able to deal with both sensors and actuator faults. Moreover, the disturbances are assumed to be bounded ... -
Characterisation of interval-observer fault detection and isolation properties using the set-invariance approach
(2019-01-01)
Article
Open AccessThe aim of this paper is to provide a robust Fault Detection and Isolation (FDI) approach that combines the set-invariance approach with a zonotopic interval observer. The effect of the uncertainty is taken into account ... -
Characterization of the minimum detectable fault of interval observers by using set-invariance theory
(IEEE Press, 2016)
Conference report
Open AccessThis paper addresses the characterization of the minimum detectable fault when using interval observers. The interval observers consider both input and uncertainty as unknown but bounded. The minimum detectable fault using ... -
Combining set-theoretic UIO and invariant sets for optimal guaranteed robust fault detection and isolation
(2019-06-01)
Article
Open AccessThis paper proposes an optimal guaranteed robust fault detection and isolation (FDI) method combing the set-theoretic unknown input observer (SUIO) and the robust positively invariant (RPI) sets for linear time-invariant ... -
Control and design of pem fuel cell-based systems
(Universitat Politècnica de Catalunya, 2009-05-19)
Doctoral thesis
Open AccessLas pilas de combustible son muy ventajosas debido a su alta eficiencia en la conversión de energía y nula contaminación. En esta tesis se realiza un extenso estudio sobre el control y diseño de sistemas de generación ... -
Control reconfiguration of lateral ADAS steering control in the presence of driver errors using combined parity space / LPV approaches*
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessThis paper proposes a lateral Advance Driver Assistance System (ADAS) steering controller that uses the detection of driver errors to reconfigure a Linear Parameter Varying (LPV) controller acting on the combined driver-vehicle ... -
Data fusion based on an iterative learning algorithm for fault detection in wind turbine pitch control systems
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-12-20)
Article
Open AccessIn this article, we propose a recent iterative learning algorithm for sensor data fusion to detect pitch actuator failures in wind turbines. The development of this proposed approach is based on iterative learning control ... -
Diagnosis and fault-tolerant control of critical infrastructures
(Springer, 2017)
Conference report
Restricted access - publisher's policyIn modern societies, the reliable and continuous operation of certain infrastructures plays a fundamental role in the quality of life, economic development and security of nations. This paper presents several approaches ... -
Diagnosis and fault-tolerant control of wind turbines using the Takagi-Sugeno approach
(Universitat Politècnica de Catalunya, 2017-09-13)
Master thesis
Open AccessIn this master thesis, the problem of diagnosis an fault-tolerant control of wind turbines will be addressed using Takagi-Sugeno models. Takagi-Sugeno models allow to consider non-linear systems in a linear-like manner by ... -
Diagnosis methodology for identifying gearbox wear based on statistical time feature reduction
(2017-01-01)
Article
Open AccessStrategies for condition monitoring are relevant to improve the operation safety and to ensure the efficiency of all the equipment used in industrial applications. The feature selection and feature extraction are suitable ... -
Diagnosis of fluid leaks in pipelines using dynamic PCA?
(2018-01-01)
Article
Restricted access - publisher's policyIn this paper, a data-driven system based on PCA is described to detect and quantify fluid leaks in an experimental pipeline. A dynamic PCA implementation (DPCA) was used to capture the process dynamics because the system ...
