Exploració per autor "Witczak, Marcin"
Ara es mostren els items 1-20 de 20
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A bounded-error approach to simultaneous state and actuator fault estimation for a class of nonlinear systems
(2017-04-01)
Article
Accés obertThis 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 ... -
A necessary and sufficient condition for total observability of discrete-time linear time-varying systems
(2017-07-01)
Article
Accés obertThis 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
(2017)
Text en actes de congrés
Accés obertThis 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 neural network-based robust unknown input observer design: Application to wind turbine
(International Federation of Automatic Control (IFAC), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThe 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 ... -
A practical test for assessing the reachability of discrete-time Takagi-Sugeno fuzzy systems
(2015-12-01)
Article
Accés obertThis 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
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThe 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
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThe 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 ... -
An LMI approach to robust fault estimation for a class of nonlinear systems
(2015-06-01)
Article
Accés obertThe 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 output-feedback fault-tolerant control approach for multiple faults
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertThis paper proposes an output-feedback fault-tolerant control approach for multiple faults. The proposed approach is able to deal with both sensors and actuator faults. Moreover, the disturbances are assumed to be bounded ... -
Analysis and design of quadratically bounded QPV control systems
(2019)
Text en actes de congrés
Accés obertA 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 ... -
Automated generation and comparison of Takagi–Sugeno and polytopic quasi-LPV models
(2015-10-07)
Article
Accés obertIn 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 ... -
Design of an unknown input observer for fault diagnosis of non-linear systems with state constraints
(2012)
Text en actes de congrés
Accés restringit per decisió de l'autorThe paper deals with the problem of designing observers for a class of discrete-time nonlinear systems with an unknown input. In particular, with the use of the Lyapunov method, a design procedure of an asymptotically ... -
Determination of an unknown input distribution matrix for non-linear discrete-time stochastic systems
(2012)
Comunicació de congrés
Accés restringit per acord de confidencialitatThe paper deals with the problem of estimating an unknown input distribution matrix for non-linear discretetime stochastic systems. In particular, it is shown how to use the unscented Kalman filter as an unknown input ... -
Development of a Fault-Tolerant Control with MATLAB and its application to the Twin-Rotor System
(2009-11-19)
Text en actes de congrés
Accés obertThe 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 ... -
Fault estimation of wind turbines using combined adaptive and parameter estimation schemes
(2017)
Article
Accés obertThis paper addresses the problem of fault estimation in wind turbines using a joint fault and state estimation scheme. The scheme assumes a set of possible faults affecting the dynamics of the wind turbine. Then, a combined ... -
Fault-tolerant control strategy for actuator faults using LPV techniques: Application to a two degree of freedom helicopter
(2012-03-01)
Article
Accés restringit per política de l'editorialIn this paper, a Fault Tolerant Control (FTC) strategy for Linear Parameter Varying (LPV) systems that can be used in the case of actuator faults is proposed. The idea of this FTC method is to adapt the faulty plant instead ... -
Predictive fault tolerant control for LPV systems using model reference
(International Federation of Automatic Control (IFAC), 2015)
Text en actes de congrés
Accés obertThe present work proposes a Fault Tolerant Control (FTC) methodology for non-linear discrete-time systems that can be modeled as Linear Parameter Varying (LPV) systems. The proposed approach relies on the modeling of faults ... -
Robust adaptive simultaneous state and fault estimation for nonlinear systems: Application to an aerodynamical system
(IEEE Press, 2016)
Text en actes de congrés
Accés obertThe paper is concerned with the task of robust adaptive fault estimation and an unknown input decoupling for nonlinear systems using a quadratic boundedness approach. In particular, the fault estimation strategy and ... -
Robust H8 actuator fault diagnosis and fault-tolerant control for a multi-tank system
(2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe paper deals with the problem of robust faulttolerant control (FTC) for non-linear systems. Main part of this paper describes a robust fault detection, isolation and identification scheme, which is based on the observer ... -
Robust unknown input observer for state and fault estimation in discrete-time Takagi-Sugeno systems
(2016-01-01)
Article
Accés obertIn this paper, a robust unknown input observer (UIO) for the joint state and fault estimation in discrete-time Takagi-Sugeno (TS) systems is presented. The proposed robust UIO, by applying the H-infinity framework, leads ...
