Now showing items 1-20 of 71

  • 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)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • A bounded-error approach to simultaneous state and actuator fault estimation for a class of nonlinear systems 

    Buciakowski, Mariusz; Witczak, Marcin; Puig Cayuela, Vicenç; Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Korbicz, Jozef (2017-04-01)
    Article
    Open Access
    This paper proposes an approach for the joint state and fault estimation for a class of uncertain nonlinear systems with simultaneous unknown input and actuator faults. This is achieved by designing an unknown input observer ...
  • 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
    Open Access
    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)
    Conference report
    Restricted access - publisher's policy
    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)
    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) ...
  • 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 multiple model adaptive architecture for the state estimation in discrete-time uncertain LPV systems 

    Rotondo, Damiano; Hassani, Vahid; Cristofaro, Andrea (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Open Access
    This 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 ...
  • 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 ...
  • 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) ...
  • 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 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 ...
  • 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
    Open Access
    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)
    Conference report
    Restricted access - publisher's policy
    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)
    Conference report
    Restricted access - publisher's policy
    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)
    Conference report
    Restricted access - publisher's policy
    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, ...
  • A shifting pole placement approach for the design of performance-varying multivariable PID controllers via BMIs 

    Sánchez, Helem Sabina; Rotondo, Damiano; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin (2018)
    Conference report
    Open Access
    In this paper, the design of a performance-varying multivariable Proportional-Integral-Derivative (PID) controllers is presented. The main objective is to provide a framework for changing online the closed-loop behavior ...
  • A two-tank benchmark for detection and isolation of cyber attacks 

    Quevedo Casín, Joseba Jokin; Sánchez Corrales, Helem Sabina; Rotondo, Damiano; Escobet Canal, Teresa; Puig Cayuela, Vicenç (2018-01-01)
    Article
    Open Access
    This paper presents a benchmark for the detection and isolation of cyber attacks, which is a non-linear controlled interconnected system based on a two tank system. In this benchmark, a malicious attacker wants to remain ...
  • 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 ...