Ara es mostren els items 27-46 de 166

    • Chlorine decay model calibration and comparison: application to a real water network 

      Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Pérez Magrané, Ramon; Quevedo Casín, Joseba Jokin; Cugueró Escofet, Miquel Àngel; Sanz Estapé, Gerard; Mirats Tur, Josep Maria (2013)
      Text en actes de congrés
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      This work presents a methodology to efficiently calibrate chlorine decay models. The calibration consists in estimating the unknown parameters by comparing the measured and simulated chlorine concentrations at the monitored ...
    • Chlorine decay model calibration and comparison: application to a real water network 

      Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Pérez Magrané, Ramon; Quevedo Casín, Joseba Jokin; Cugueró Escofet, Miquel Àngel; Sanz Estapé, Gerard; Mirats Tur, Josep Maria (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This work presents a methodology to efficiently calibrate chlorine decay models. The calibration consists in estimating the unknown parameters by comparing the measured and simulated chlorine concentrations at the monitored ...
    • Clustering techniques applied to sensor placement for leak detection and location in water distribution networks 

      Sarrate Estruch, Ramon; Blesa Izquierdo, Joaquim; Nejjari Akhi-Elarab, Fatiha (2014)
      Text en actes de congrés
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      This work presents an optimization strategy that maximizes the leak locatability performance of water distribution networks (WDN). The goal is to characterize and determine a sensor configuration that guarantees a ...
    • Containing Aircraft Noise Levels at take-off: A Mathematical Programming Approach 

      Nejjari Akhi-Elarab, Fatiha; Prats Menéndez, Xavier; Puig, Vicenç; Quevedo Casín, Joseba Jokin; Polit, Monique; Ouattara, Baba; Achaibou, Karim; Mora-Camino, Félix (International Institute of Noise Control Engineering, 2005-08)
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      The sustained growth of air transportation traffic along the last decades has induced increasing noise exposure for the areas surrounding large and medium airports. This study concentrates on the optimization of the ...
    • Creació d'un bloc d'optativitat amb un projecte pràctic comú, coherent i integrador 

      Planas Dangla, Rita María; Cugueró Escofet, Josep; Hernández Palacín, Juan Carlos; Morcego Seix, Bernardo; Nejjari Akhi-Elarab, Fatiha; Pérez Magrané, Ramon; Quevedo Casín, Joseba Jokin; Sarrate Estruch, Ramon (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
      Text en actes de congrés / Comunicació de congrés
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      El projecte s’emmarca dins la transformació dels estudis cap a l’EEES i concretament a l’Escola d’Enginyers de Terrassa (EET). L’objectiu era dissenyar i aplicar un bloc de 3 assignatures optatives del Grau d’Enginyeria ...
    • Data-driven prognostics based on evolving fuzzy degradation models for power semiconductor devices 

      Khoury, Boutrous; Bessa, Iury; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha; Martínez Palhares, Reinaldo (2022-06-29)
      Article
      Accés obert
      The increasing application of power converter systems based on semiconductor devices such as Insulated-Gate Bipolar Transistors (IGBTs) has motivated the investigation of strategies for their prognostics and health management. ...
    • Dealing with prognostics uncertainties: combination of direct and recursive remaining useful life estimations 

      Soualhi, Moncef; Nguyen, Khanh T.P.; Medjaher, Kamal; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Blesa Izquierdo, Joaquim; Quevedo Casín, Joseba Jokin; Marlasca, Francesc (2023-01)
      Article
      Accés restringit per política de l'editorial
      Data-driven prognostics and health management is an important part of the future industry. It allows the detection of system faults and estimation of its remaining useful life (RUL) to anticipate failures and schedule ...
    • Decentralized control of inland navigation networks with distributaries: application to navigation canals in the north of France 

      Segovia Castillo, Pablo; Rajaoarisoa, Lala H.; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Duviella, Eric (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Comunicació de congrés
      Accés obert
      Inland navigation networks are large-scale systems with large dead times, nonlinearities and variable time delays. They are composed of interconnected reaches. The management goal is to maintain the water level of each ...
    • Decentralized fault-tolerant control of inland navigation networks: a challenge 

      Segovia Castillo, Pablo; Rajaoarisoa, Lala H.; Nejjari Akhi-Elarab, Fatiha; Blesa Izquierdo, Joaquim; Puig Cayuela, Vicenç; Duviella, Eric (2016)
      Text en actes de congrés
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      Inland waterways are large-scale networks used principally for navigation. Even if the transport planning is an important issue, the water resource management is a crucial point. Indeed, navigation is not possible when ...
    • Design of parameter-scheduled state-feedback controllers using shifting specifications 

      Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (2015-01-01)
      Article
      Accés obert
      In this paper,the problem of designing aparameter-scheduled state-feedback controller is investigated. The paper presents an extension of the classical regional pole placement, H2 control and H1 control problems, so as to ...
    • Detection of icing and actuator faults in the longitudinal dynamics of small UAVs using an LPV proportional integral unknown input observer 

      Rotondo, Damiano; Cristofaro, Andrea; Johansen, Tor Arne; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (2016)
      Text en actes de congrés
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      This paper proposes a linear parameter varying proportional integral unknown input observer (PI-UIO) for the diagnosis of actuator faults and icing in unmanned aerial vehicles. It is shown that in presence of sensor noise, ...
    • Detection of icing and actuators faults in the longitudinal dynamics of small UAVs using an LPV proportional integral unknown input observer 

      Rotondo, Damiano; Cristofaros, A; Johansen, T; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (IEEE Press, 2016)
      Text en actes de congrés
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      This paper proposes a linear parameter varying proportional integral unknown input observer (PI-UIO) for the diagnosis of actuator faults and icing in unmanned aerial vehicles. It is shown that in presence of sensor noise, ...
    • Development of a Fault-Tolerant Control with MATLAB and its application to the Twin-Rotor System 

      Luzar, Marcel; Witczak, Marcin; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha (2009-11-19)
      Text en actes de congrés
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      The main objective of this paper is to present the MATLAB block-set that can be used for faulttolerant control of linear-parameter varying systems. In particular, the introductory part of the paper presents a theoretical ...
    • Diagnosis of icing and actuator faults in UAVs using LPV unknown input observers 

      Rotondo, Damiano; Cristofaro, Andrea; Johansen, Tor Arne; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (2017-10-05)
      Article
      Accés obert
      This paper proposes a discrete-time linear parameter varying (LPV) unknown input observer (UIO) for the diagnosis of actuator faults and ice accretion in unmanned aerial vehicles (UAVs). The proposed approach, which is ...
    • Dilated LMI characterization for the robust finite time control of discrete-time uncertain linear systems 

      Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (2015-11-11)
      Article
      Accés obert
      This paper provides new dilated linear matrix inequalities (LMIs) characterizations for the finite time boundedness (FTB) and the finite time stability (FTS) analysis of discrete-time uncertain linear systems. The dilated ...
    • Distributed input-delay model predictive control of inland waterways 

      Segovia Castillo, Pablo; Rajaoarisoa, Lala H.; Nejjari Akhi-Elarab, Fatiha; Duviella, Eric; Puig Cayuela, Vicenç (EasyChair Publications, 2018)
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      Inland waterways are large, complex systems composed of interconnected navigation reaches dedicated mainly to navigation. These reaches are generally characterized by negligible bottom slopes and large time delays. The ...
    • Economic linear parameter varying model predictive control of the aeration system of a wastewater treatment plant 

      Nejjari Akhi-Elarab, Fatiha; Khoury, Boutrous; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Pascual Pañach, Josep; de Campos, Sergi (2022-08-11)
      Article
      Accés obert
      This work proposes an economic model predictive control (EMPC) strategy in the linear parameter varying (LPV) framework for the control of dissolved oxygen concentrations in the aerated reactors of a wastewater treatment ...
    • Economic Model Predictive Control of Aeration Systems in a Full Scale Biological Wastewater Treatment Plant 

      Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Pascual, Josep; de Campos Paus, Sergio (Elsevier, 2017)
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      This work presents an economic model predictive control (EMPC) strategy for the control of the dissolved oxygen concentrations in the aerated reactors of a wastewater treatment plant located in Girona, Spain. The control ...
    • Economic reliability-aware MPC for pperational management of flow-based networks using bayesian networks 

      Pedrosa Alias, Javier; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha (Institute of Electrical and Electronics Engineers (IEEE), 2022)
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      This paper presents an economic reliability-Aware Model Predictive Control (MPC) approach for the Prognostics and Health Management (PHM) of generalized flow-based networks. The main enhancement with respect to some existing ...
    • ENGINYERIA DE CONTROL (Examen 2n quadrimestre, 1r parcial) 

      Nejjari Akhi-Elarab, Fatiha (Universitat Politècnica de Catalunya, 2018-04-11)
      Examen
      Accés restringit a la comunitat UPC