Exploració per altres contribucions "Universitat Politècnica de Catalunya. SIC - Sistemes Intel·ligents de Control"
Ara es mostren els items 1-20 de 311
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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)
Text en actes de congrés
Accés restringit per política de l'editorialIn 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 beta version of an application based on computer vision for the assessment of knee valgus angle: a validity and reliability study
(2023-04-28)
Article
Accés obertBackground: In handball, the kinematics of the frontal plane seem to be one of the most important factors for the development of lower limb injuries. The knee valgus angle is a fundamental axis for injury prevention and ... -
A contribution to students' assessment adjusts of multiple choice questionnaires with fuzzy logic
(European Society for Engineering Education (SEFI), 2022)
Text en actes de congrés
Accés obertIn University environment, it is common to use multiple-choice objective tests with three or four possible answers, of which only one is correct and the rest are erroneous. In this type of tests, usually the wrong answers ... -
A contribution to students’ assessment adjusts of multiple choice questionnaires with fuzzy logic
(Universitat Politècnica de Catalunya (UPC), 2022)
Text en actes de congrés
Accés obertIn University environment, it is common to use multiple-choice objective tests with three or four possible answers, of which only one is correct and the rest are erroneous. In this type of tests, usually the wrong answers ... -
A control-oriented hybrid modelling approach for sewer networks: Barcelona case study
(2013)
Text en actes de congrés
Accés obertA simplified sewer nework modelling approach based on the hybrid linear systems framework is discussed. It involives both continuous and discrete variables to include a novel approximation of the overflow and flow over ... -
A decision support system for on-line leakage localization
(Elsevier, 2014-10-01)
Article
Accés restringit per política de l'editorialThis paper describes a model-driven decision-support system (software tool) implementing a model-based methodology for on-line leakage detection and localization which is useful for a large class of water distribution ... -
A fault-hiding approach for the switching quasi-LPV fault-tolerant control of a four-wheeled omnidirectional mobile robot
(Institute of Electrical and Electronics Engineers (IEEE), 2015-06-01)
Article
Accés restringit per política de l'editorialThis paper proposes a reference model approach for the trajectory tracking of a four-wheeled omnidirectional mobile robot. In particular, the error model is brought to a quasi-linear-parameter-varying (LPV) form suitable ... -
A first assessment of an aerodynamic barrier layer for filtering airborne hygroscopic particles
(2021-09-01)
Article
Accés obertIn this work consideration is given to an aerodynamic concept for filtration of small water droplets such as those caused by an infected person when coughs or sneezes and including airborne hygroscopic particle, and with ... -
A first estimate for thermal osmotic long storage
(2019-09-15)
Article
Accés obertIn this brief note, a first assessment on the possibilities for thermal osmotic storage using the thermal precipitation of aqueous solutions as alternative to sensible heat storage is performed. In a recent study it was ... -
A method for selective hornet Vespa Velutina baited traps using a compressed air cannon
(2019-05-28)
Report de recerca
Accés obertThe efficiency and selectiveness of baited traps to control the invasive hornet Vespa velutina has been often questioned. Recent studies show that capture of Vespa velutina accounted for less than 1% of all captures, ... -
A methodology for distributed fault diagnosis
(2016)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper, a methodology for distributed fault diagnosis is proposed. The algorithm places the sensors in a system in such a manner that the partition of a system into various subsystems becomes ... -
A methodology and a software tool for sensor data validation/reconstruction : application to the Catalonia regional water network
(2016-04-01)
Article
Accés obertIn this paper, a sensor data validation/reconstruction methodology applicable to water networks and its implementation by means of a software tool are presented. The aim is to guarantee that the sensor data are reliable ... -
A methodology for incipient fault detection
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés obertThis 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 multiple model adaptive architecture for the state estimation in discrete-time uncertain LPV systems
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés obertThis paper addresses the problem of multiple model adaptive estimation (MMAE) for discrete-time linear parameter varying (LPV) systems that are affected by parametric uncertainty. The MMAE system relies on a finite number ... -
A necessary and sufficient condition for total observability of discrete-time linear time-varying systems
(2017-07-01)
Article
Accés obertThis paper deals with the total observability problem of discrete-time linear time-varying systems. In particular, a review and suitable analysis of the state-of-the-art of this emerging area are provided. Subsequently, ... -
A practical test for assessing the reachability of discrete-time Takagi-Sugeno fuzzy systems
(2015-12-01)
Article
Accés obertThis paper provides a necessary and sufficient condition for the reachability of discrete-time Takagi-Sugeno fuzzy systems that is easy to apply, such that it constitutes a practical test. The proposed procedure is based ... -
A recursive LMI-based algorithm for efficient vertex reduction in LPV systems
(2021-01-01)
Article
Accés obertThis paper proposes a new algorithm to reduce the number of gains of a polytopic LPV controller considering generic tuples of vertices, for which a common controller gain can be used. The use of Frobenius norm and the ... -
A robust H1 observer design for unknown input nonlinear systems: Application to fault diagnosis of a wind turbine
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThe paper is devoted to the problem of designing robust unknown input observer (UIO) for fault estimation purpose. The proposed approach is based on the Takagi-Sugeno models which can be effectively applied for modelling ... -
A robust H8 observer design for unknown input nonlinear systems: Application to fault diagnosis of a wind turbine
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThe paper is devoted to the problem of designing robust unknown input observer (UIO) for fault estimation purpose. The proposed approach is based on the Takagi-Sugeno models which can be effectively applied for modelling ... -
A set simulation approach to the computation of invariant sets for nonlinear systems
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Comunicació de congrés
Accés restringit per política de l'editorialGiven a nonlinear discrete-time system, previous works exist that compute invariant sets as finite unions of boxes. Set inversion algorithms based on interval arithmetic are used to obtain inner approximations of the one ...