Now showing items 21-40 of 447

  • Advanced monitoring of an industrial process integrating several sources of information through a data warehouse 

    Sanz, E; Matey, J.L.; Blesa Izquierdo, Joaquim; Puig Cayuela, Vicenç (2017)
    Conference report
    Open Access
    This paper presents a methodology and architecture for the advanced monitoring of an industrial process integrating several sources of information using a data warehouse (DW) that include as metadata datamart to cross ...
  • A fault/anomaly system prognosis using a data-driven approach considering uncertainty 

    Escobet Canal, Teresa; Quevedo Casín, Joseba Jokin; Puig Cayuela, Vicenç (2012)
    Conference report
    Restricted access - publisher's policy
  • A Fault hiding approach for the sliding mode fault-tolerant control of a non-holonomic mobile robot 

    Stancu, Alexandru; Codres, Eduard; Puig Cayuela, Vicenç (IEEE Press, 2016)
    Conference report
    Open Access
    When mobile robots are intended to be used in hazardous environments or for long-time operations, it is needed to increase their robustness against faults. This could be achieved by means of the inclusion of Fault Tolerant ...
  • A fault-hiding approach for the switching quasi-LPV fault-tolerant control of a four-wheeled omnidirectional mobile robot 

    Rotondo, Damiano; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha; Romera Formiguera, Juli (Institute of Electrical and Electronics Engineers (IEEE), 2015-06-01)
    Article
    Restricted access - publisher's policy
    This 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 Framework for RNAV trajectory generation minimizing noise nuisances 

    Prats Menéndez, Xavier; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Mora Camino, F. (Faculty of Transport and Traffic Engineering, 2006-06)
    Conference report
    Open Access
    In this work it is presented a framework for a global optimization tool that will take into account air craft dynamics and performances, noise nuisances and RNAV radionavigation requirements in order to assess an optimum ...
  • A hierarchy of change-point methods for estimating the time instant of leakages in water distribution networks 

    Boracchi, Giacomo; Puig Cayuela, Vicenç; Roveri, Manuel (Springer-Verlag Berlin Heidelberg, 2013)
    Conference report
    Restricted access - publisher's policy
    Leakages are a relevant issue in water distribution networks with severe effects on costs and water savings. While there are several solutions for detecting leakages by analyzing of the minimum night flow and the pressure ...
  • A methodology and a software tool for sensor data validation/reconstruction : application to the Catalonia regional water network 

    Cugueró Escofet, Miquel Àngel; García Valverde, Diego; Quevedo Casín, Joseba Jokin; Puig Cayuela, Vicenç; Espin, Santiago; Roquet, Jaume (2016-04-01)
    Article
    Open Access
    In 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 building a fault diagnoser for hybrid systems 

    Vento Maldonado, Jorge; Puig Cayuela, Vicenç; Sarrate Estruch, Ramon (2011)
    Conference report
    Restricted access - author's decision
    In this paper, a design methodology for building diagnosers for hybrid systems is proposed. The design methodology uses as a starting point a hybrid automaton model to represent the hybrid system behaviour by means of ...
  • A methodology for distributed fault diagnosis 

    Gupta, Vikas; Puig Cayuela, Vicenç; Blesa Izquierdo, Joaquim (2016)
    Conference report
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    In 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 for incipient fault detection 

    Escobet Canal, Teresa; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; García Valverde, Diego (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    This 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 multi-agent MPC architecture for distributed large scale systems 

    Javalera Rincón, Valeria; Morcego Seix, Bernardo; Puig Cayuela, Vicenç (INSTICC Press. Institute for Systems and Technologies of Information, Control and Communication, 2010)
    Conference report
    Open Access
    In the present work, techniques of Model Predictive Control (MPC), Multi Agent Systems (MAS) and Reinforcement Learning (RL) are combined to develop a distributed control architecture for Large Scale Systems (LSS). This ...
  • A Multiple-model predictor approach based on an On-line mode recognition with application to water demand forecasting 

    López Farías, Rodrigo; Puig Cayuela, Vicenç (Universidad de Granada, 2015)
    Conference report
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    This paper proposes a general Multiple-Model Predictor frame-work for forecasting time series that presents multiple patterns (behaviours). The proposed approach allows off-line identifying the different time-series ...
  • Análisis y diseño de sistemas lineales con parámetros variantes utilizando LMIs 

    Rotondo, Damiano; Sánchez Corrales, Helem Sabina; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (Elsevier, 2019)
    Article
    Open Access
    En este artículo se presenta un tutorial sobre análisis y diseño de sistemas lineales con parámetros variantes (LPV) utilizando las desigualdades lineales matriciales (LMIs). Varias especificaciones, tales como la ...
  • A necessary and sufficient condition for total observability of discrete-time linear time-varying systems 

    Witczak, Marcin; Puig Cayuela, Vicenç; Rotondo, Damiano; Witczak, Piotr (2017-07-01)
    Article
    Open Access
    This 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 necessary and sufficient condition for total observability of discrete-time linear time-varying systems 

    Witczak, Marcin; Puig Cayuela, Vicenç; Rotondo, Damiano; Witczak, Piotr (2017)
    Conference report
    Open Access
    This 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, ...
  • An ensemble approach to estimate the fault-time instant 

    Alippi, Cesare; Boracchi, Giacomo; Puig Cayuela, Vicenç; Roveri, Manuel (2013)
    Conference report
    Open Access
    Since systems are prone to faults, fault detection and isolation are essential activities to be considered in safety-critical applications. In this direction, the availability of a sound estimate of the time instant the ...
  • A neural network-based robust unknown input observer design: Application to wind turbine 

    Witczak, Piotr; Patan, Krzysztof; Witczak, Marcin; Puig Cayuela, Vicenç; Jozef, Korbicz (International Federation of Automatic Control (IFAC), 2015)
    Conference report
    Restricted access - publisher's policy
    The paper deals with the problem of robust unknown input observer design for the neural-network based models of non-linear discrete-time systems. Authors review the recent development in the area of robust observers for ...
  • An implementation of a Multi-model predictor based on the qualitative and quantitative decomposition of the Time-series 

    López Frías, Rodrigo; Puig Cayuela, Vicenç; Rodríguez Rangel, Héctor (Universidad de Granada, 2015)
    Conference report
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    In this paper, an implementation of a Multi-Model Predictor architecture based on a framework composed by modules is proposed. The modules interacts among them to detect and activate forecasting modes given the input data ...
  • An incremental hybrid system diagnoser automaton enhanced by discernibility properties 

    Vento Maldonado, Jorge I.; Travé-Massuyès, Louise; Puig Cayuela, Vicenç; Sarrate Estruch, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2014-12-18)
    Article
    Restricted access - publisher's policy
    This paper proposes a method to track the system mode and diagnose a hybrid system without building an entire diagnoser off-line. The method is supported by a hybrid automaton (HA) model that represents the hybrid system ...
  • An interval NLPV parity equations approach for fault detection and isolation of a wind farm 

    Blesa Izquierdo, Joaquim; Jiménez, Pedro; Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (Institute of Electrical and Electronics Engineers (IEEE), 2014-12-25)
    Article
    Open Access
    In this paper, the problem of fault diagnosis of a wind farm is addressed using interval nonlinear parameter varying (NLPV) parity equations. Fault detection is based on the use of parity equations assuming unknown but ...