Now showing items 21-40 of 95

    • Advances in gain-scheduling and fault tolerant control techniques 

      Rotondo, Damiano (Universitat Politècnica de Catalunya, 2016-04-01)
      Doctoral thesis
      Open Access
      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) ...
    • 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 ...
    • 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
      Open Access
      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 ...
    • An LMI–based heuristic algorithm for vertex reduction in LPV systems 

      Sanjuan Gómez, Adrián; Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Sarrate Estruch, Ramon (2019)
      Article
      Open Access
      The linear parameter varying (LPV) approach has proved to be suitable for controlling many non-linear systems. However, for those which are highly non-linear and complex, the number of scheduling variables increases rapidly. ...
    • Analysis and design of quadratic parameter varying (QPV) control systems with polytopic attractive region 

      Rotondo, Damiano; Johansen, Tor Arne (2018-05-01)
      Article
      Open Access
      This paper proposes a gain-scheduling approach for systems with a quadratic structure. Both the stability analysis and the state-feedback controller design problems are considered for quadratic parameter varying (QPV) ...
    • Analysis and design of quadratically bounded QPV control systems 

      Rotondo, Damiano; Witczak, Marcin (2019)
      Conference report
      Open Access
      A nonlinear system is said to be quadratically bounded (QB) if all its solutions are bounded and this is guaranteed using a quadratic Lyapunov function. This paper considers the QB analysis and state-feedback controller ...
    • 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 ...
    • 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
      Open Access
      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 ...
    • Bibliographical review on cyber attacks from a control oriented perspective 

      Sánchez Corrales, Helem Sabina; Rotondo, Damiano; Escobet Canal, Teresa; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin (2019)
      Article
      Open Access
      This paper presents a bibliographical review of definitions, classifications and applications concerning cyber attacks in networked control systems (NCSs) and cyber-physical systems (CPSs). This review tackles the topic ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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 ...
    • D-stable controller design for Lipschitz NLPV system 

      Yang, Ruicong; Rotondo, Damiano; Puig Cayuela, Vicenç (2019)
      Conference report
      Open Access
      This paper addresses the design of a state-feedback controller for a class of nonlinear parameter varying (NLPV) systems in which the nonlinearity can be expressed as a parameter-varying Lipschitz term. The controller is ...
    • Design of parameter-scheduled state-feedback controllers using shifting specifications 

      Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (2015-01-01)
      Article
      Open Access
      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 ...
    • Design of state-feedback controllers for linear parameter varying systems subject to time-varying input saturation 

      Ruiz Royo, Adrián; Rotondo, Damiano; Morcego Seix, Bernardo (Multidisciplinary Digital Publishing Institute, 2019-09-01)
      Article
      Open Access
      All real-world systems are affected by the saturation phenomenon due to inherent physical limitations of actuators. These limitations should be taken into account in the controller’s design to prevent a possibly severe ...
    • 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)
      Conference report
      Open Access
      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)
      Conference report
      Open Access
      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 replay attacks in CPSs using observer-based signature compensation 

      Trapiello Fernández, Carlos; Rotondo, Damiano; Sánchez Corrales, Helem Sabina; Puig Cayuela, Vicenç (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      This paper presents a replay attack detection method that addresses the performance loss of watermarking-based approaches. The proposed method injects a sinusoidal signal that affects a subset, chosen at random, of the ...
    • Detection of replay attacks in cyber-physical systems using a frequency-based signature 

      Sánchez Corrales, Helem Sabina; Rotondo, Damiano; Escobet Canal, Teresa; Puig Cayuela, Vicenç; Saludes Closa, Jordi; Quevedo Casín, Joseba Jokin (2019-03-01)
      Article
      Open Access
      This paper proposes a frequency-based approach for the detection of replay attacks affecting cyber-physical systems (CPS). In particular, the method employs a sinusoidal signal with a time-varying frequency (authentication ...
    • 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
      Open Access
      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
      Open Access
      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 ...
    • Estimation in uncertain switched systems using a bank of interval observers: local vs glocal approach 

      Rotondo, Damiano; Efimov, Denis; Cristofaro, Andrea; Johansen, Tor Arne (Elsevier, 2020)
      Conference report
      Open Access
      This paper discusses some issues related with the design of a bank of interval observers for uncertain switched systems, in which several sources of uncertainty are considered: parametric uncertainties, unknown disturbances, ...