Ara es mostren els items 41-60 de 82

    • Intracranial pressure estimation using nonlinear Kalman filtering 

      París Bandrés, Guillem Lluís (Universitat Politècnica de Catalunya, 2017-05)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Rheinisch-Westfälische Technische Hochschule Aachen
      The intracranial hypertension is the medical name for high intracranial pressure, a condition that can be dangerous for the patient's health. This increase of intracranial pressure (ICP) may be caused by a congenital or ...
    • Joint direction of arrival and array shape tracking for multiple moving targets 

      Goldberg, Jason Matthew; Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A. (Institute of Electrical and Electronics Engineers (IEEE), 1997)
      Text en actes de congrés
      Accés obert
      An algorithm for the joint tracking of source DOAs and sensor positions is presented to address the problem of DOA tracking in the presence sensor motion. Initial maximum likelihood estimates of source DOAs and sensor ...
    • Leak diagnosis in pipelines based on a Kalman filter for Linear Parameter Varying systems 

      Delgado-Aguiñaga, J.A.; Puig Cayuela, Vicenç; Becerra-López, F.I. (2021)
      Article
      Accés obert
      This paper proposes a new approach for the leak diagnosis problem in pipelines based on the use of a Kalman filter for Linear Parameter Varying (LPV) systems. Such a filter considers the availability of flow and pressure ...
    • Lidar inversion of atmospheric backscatter and extinction-to-backscatter ratios by use of a Kalman filter 

      Rocadenbosch Burillo, Francisco; Soriano Ortiz, Cecilia; Comerón Tejero, Adolfo; Baldasano Recio, José María (OPTICAL SOC AMER, 1999-03-01)
      Article
      Accés obert
      A first inversion of the backscatter profile and extinction-to-backscatter ratio from pulsed elastic-backscatter lidar returns is treated by means of an extended Kalman filter (EKF). The EKF approach enables one to overcome ...
    • LIMO-Velo: A real-time, robust, centimeter-accurate estimator for vehicle localization and mapping under racing velocities 

      Huguet Segarra, Andreu (Universitat Politècnica de Catalunya, 2022-02)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Hong Kong University of Science and Technology / BCN eMOTORSPORT
      Treballs recents sobre localització de vehicles i mapeig dels seus entorns es desenvolupen per a dispositius portàtils o robots terrestres que assumeixen moviments lents i suaus. Contràriament als entorns de curses d’alta ...
    • Mechanical sensor fault-tolerant controller in PMSM drive: experimental evaluation of observers and signal injection for position estimation 

      Medjmadj, Slimane; Diallo, Demba; Arias Pujol, Antoni (2021-08-13)
      Article
      Accés restringit per política de l'editorial
      This paper presents the operating principle, results and conclusions for an FTC mechanical sensor that can guarantee continuity of operation on the whole speed range. This active FTC is based on analytical redundancy using ...
    • Mechanical sensor fault-tolerant controller in pmsm drive: experimental evaluation of observers and signal injection for position estimation 

      Medjmadj, Slimane; Diallo, Demba; Arias Pujol, Antoni (2021-01-01)
      Article
      Accés restringit per política de l'editorial
      This paper presents the operating principle, results and conclusions for a FTC mechanical sensor that can guarantee continuity of operation on the whole speed range. This active FTC is based on analytical redundancy using ...
    • Mitigation of phase disturbances in precise navigation by dynamic programing 

      Gómez Jiménez, Sebastián (Universitat Politècnica de Catalunya, 2020-09)
      Projecte Final de Màster Oficial
      Accés obert
      The use of carrier phase observations, instead of the code or pseudo-range, is a fundamental strategy that yields millimetre precision in positioning. This carrier phase observation is the measured spatial distance between ...
    • Model-based control for a three-phase shunt active power filter 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Morales López, Javier; Castilla Fernández, Miguel; Miret Tomàs, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2016-03-10)
      Article
      Accés obert
      This paper presents a robust model-based control in natural frame for a three-phase shunt active power filter. For the proposed control method a linear converter model is deduced. Then, this model is used in a Kalman ...
    • Model-based prognosis approach using a zonotopic Kalman filter with application to a wind turbine 

      Khoury, Boutrous; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha (2020)
      Text en actes de congrés
      Accés obert
      Wind turbines generally operate under adverse conditions making them prone to relatively high failure rates. Due to the direct exposure of the blades to dynamic and cyclic loads of wind, the rotor and the blades unsurprisingly ...
    • Multitone tracking with coupled EKFs and high order learning 

      Lagunas Hernandez, Miguel A.; Pagès Zamora, Alba Maria (1992)
      Text en actes de congrés
      Accés obert
      A multitone tracker is described using two basic principles in optimum frequency estimation: processing bandwidth depending on the distance from the estimate to the actual frequency values, and parallel estimates with ...
    • Object tracking in a rearward looking Radar 

      Bakkari, Hamza (Universitat Politècnica de Catalunya, 2011-06-02)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      Català: Continental desenvolupa sistemes avançats d´assistència als conductors. Un dels més aplicats és el Control adaptable de velocitat o Adaptive cruise control (ACC). El sistema ACC permet seguir el vehicles al ...
    • On Parametric model mismatch in nonlinear EKF Approximations 

      Khaledian, Homeyra; Vilà-Valls, Jordi; Chaumette, Eric; Prats Menéndez, Xavier (2020)
      Text en actes de congrés
      Accés obert
      Standard state estimation techniques, either for linear or nonlinear systems, typically assume a perfect knowledge of the system, i.e., known process and measurement functions, and the corresponding noise statistics. The ...
    • On state-estimation in weakly-observable scenarios and implicitly regularized observers 

      Cecilia Piñol, Andreu; Costa Castelló, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      This work proposes a framework to design observers for systems that present low observability. It is shown that, in these scenarios, the estimation problem becomes ill-posed, which drastically limits the performance of ...
    • Online identification of time varying parameters in PEM fuel cells 

      Kunusch, Cristian (2013)
      Text en actes de congrés
      Accés obert
      This article tackles some ideas about parameters identification in the anode line of a typical PEM fuel cell test station. The approach is focused in the nonlinear model structure and solves an observation problem using a ...
    • Parameter and coupling estimation in small networks of Izhikevich's neurons 

      Aristides, Raul de Palma; Pons Rivero, Antonio Javier; Cerdeira, Hilda; Masoller Alonso, Cristina; Tirabassi, Giulio (2023-04-12)
      Article
      Accés obert
      Nowadays, experimental techniques allow scientists to have access to large amounts of data. In order to obtain reliable information from the complex systems that produce these data, appropriate analysis tools are needed. ...
    • Particle filtering estimation for linear and nonlinear state-space models 

      Acosta Argueta, Lesly María (Universitat Politècnica de Catalunya, 2013-11-29)
      Tesi
      Accés obert
      The sequential estimation of the states (filtering) and the corresponding simultaneous estimation of the states and fixed parameters of a dynamic state-space model, being linear or not, is an important probleminmany fields ...
    • Performance test of the synergetic use of simulated lidar and microwave radiometer observations for mixing-layer height detection 

      Saeed, Umar; Rocadenbosch Burillo, Francisco; Crewell, Susanne (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2015)
      Text en actes de congrés
      Accés restringit per decisió de l'autor
      There are several instruments and methods to retrieve the atmospheric Mixing Layer Height (MLH). However, none of these instruments or methods can measure the development of the MLH under all atmospheric conditions. For ...
    • Processing of abdominal recordings by Kalman filters 

      Cruz Santiago, Marcos (Universitat Politècnica de Catalunya, 2012-07-02)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Technische Universität Dresden
      [ANGLÈS] Heart diseases are the cause of many deaths during prenatal, childbirth and newborn periods. Therefore, the study of the fetal cardiac signals might be very helpful in order to evaluate the fetal heart status for ...
    • Receding-horizon model predictive control for a three-phase VSI with an LCL filter 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Rey, Juan M (Institute of Electrical and Electronics Engineers (IEEE), 2018-11-20)
      Article
      Accés obert
      This paper presents a Continuous Control Set Model Predictive Control with receding horizon for a threephase voltage source inverter with LCL filter, using a reduced model of the converter. The main advantages of using ...