Ara es mostren els items 1-20 de 56

  • A bank of virtual sensors for active fault tolerant control of LPV systems 

    Rotondo, Damiano; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In 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 ...
  • Actuator multiplicative fault estimation in discrete-time LPV systems using switched observers 

    Rotondo, Damiano; López Estrada, Francisco Ronay; Nejjari Akhi-Elarab, Fatiha; Ponsart, J. C.; Theilliol, Didier; Puig Cayuela, Vicenç (2016-09-01)
    Article
    Accés restringit per política de l'editorial
    This paper proposes an observer for the joint state and fault estimation devoted to discrete-time linear parameter varying (LPV) systems subject to actuator faults. The major contribution of this work is that the observer ...
  • Adaptive observer for switching linear parameter-varying (LPV) systems 

    Rotondo, Damiano; Reppa, Vasso; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha (2014)
    Text en actes de congrés
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    In this paper, the problem of joint state and parameter estimation in switching Linear Parameter-Varying (LPV) systems is considered. The proposed solution relies on an adaptive observer, which is designed finding a solution ...
  • Advances in gain-scheduling and fault tolerant control techniques 

    Rotondo, Damiano (Universitat Politècnica de Catalunya, 2016-04-01)
    Tesi
    Accés obert
    This 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) ...
  • 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
    Accés restringit per política de l'editorial
    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 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
    Accés obert
    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 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
    Accés obert
    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 ...
  • An LMI approach to robust fault estimation for a class of nonlinear systems 

    Witczak, Marcin; Buciakowski, Mariusz; Puig Cayuela, Vicenç; Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha (2015-06-01)
    Article
    Accés obert
    The paper presents a robust fault estimation approach for a class of nonlinear discrete-time systems. In particular, two sources of uncertainty are present in the considered class of systems, that is, an unknown input and ...
  • A practical test for assessing the reachability of discrete-time Takagi-Sugeno fuzzy systems 

    Witczak, Marcin; Rotondo, Damiano; Puig Cayuela, Vicenç; Witczak, Piotr (2015-12-01)
    Article
    Accés obert
    This 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 robust H1 observer design for unknown input nonlinear systems: Application to fault diagnosis of a wind turbine 

    Witczak, Marcin; Puig Cayuela, Vicenç; Rotondo, Damiano; Faygel, Michal de Rozprza; Mrugalski, Marcin (Institute of Electrical and Electronics Engineers (IEEE), 2015)
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    The 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 

    Witczak, Marcin; Puig Cayuela, Vicenç; Rotondo, Damiano; Faygel, Michal de Rozprza; Mrugalski, Marcin (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The 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 shifting pole placement approach for the design of parameter-scheduled state-feedback controllers 

    Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (2013)
    Text en actes de congrés
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    In this paper, the problem of designing a parameter-scheduled state-feedback controller is investigated. The main novelty and contribution of this paper is the extension of the classical regional pole placement problem, ...
  • Automated generation and comparison of Takagi–Sugeno and polytopic quasi-LPV models 

    Rotondo, Damiano; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha; Witczak, Marcin (2015-10-07)
    Article
    Accés obert
    In the last decades, gain-scheduling control techniques have consolidated as an efficient answer to analysis and synthesis problems for non-linear systems. Among the approaches proposed in the literature, the linear parameter ...
  • A virtual actuator and sensor approach for fault tolerant control of LPV systems 

    Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (2014-03-01)
    Article
    Accés restringit per política de l'editorial
    In this paper, a fault tolerant control (FTC) strategy using virtual actuators and sensors for linear parameter varying (LPV) systems is proposed. The main idea of this FTC method, initially developed for LTI systems, is ...
  • A virtual actuator approach for fault tolerant control of switching LPV systems 

    Rotondo, Damiano; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha (2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In 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 

    Rotondo, Damiano; Ponsart, J. C.; Theilliol, Didier; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (2015-01-01)
    Article
    Accés obert
    This 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 ...
  • Control of a quadruple tank process using a mixed economic and standard MPC 

    Soldevila, Adrià; Cayero Becerra, Julián Francisco; Salazar Cortés, Jean Carlo; Rotondo, Damiano; Puig Cayuela, Vicenç (2014)
    Text en actes de congrés
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    This work presents a controller for a non-linear four-tank process as a solution of the CIC 2014 contest organized by the Comité Español de Automàtica. Along the paper we derive a Model Predictive control law that ...
  • 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
    Accés obert
    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, ...
  • 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 restringit per política de l'editorial
    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 ...