Ara es mostren els items 46-65 de 82

    • 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 ...
    • Reduced state representation in delayed-state SLAM 

      Ila, Viorela Simona; Porta Pleite, Josep Maria; Andrade-Cetto, Juan (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-10-11)
      Comunicació de congrés
      Accés obert
      This paper introduces an approach that reduces the size of the state and maximizes the sparsity of the information matrix in exactly sparse delayed-state SLAM. We propose constant time procedures to measure the ...
    • Retrieval of boundary layer height from lidar using extended Kalman filter approach, classic methods, and backtrajectory cluster analysis 

      Banks, Robert Franklin; Tiana Alsina, Jordi; Baldasano Recio, José María; Rocadenbosch Burillo, Francisco (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This contribution evaluates an approach using an extended Kalman filter (EKF) to estimate the planetary boundary layer height (PBLH) from lidar measurements obtained in the framework of the European Aerosol Research LIdar ...
    • Robust indoor positioning in WLAN networks 

      Castro-Arvizu, Juan Manuel (Universitat Politècnica de Catalunya, 2017-03-24)
      Tesi
      Accés obert
      Navigation and location technologies have been reaching in a major interest where Global Navigation Satellite System (GNSS) is mostly adopted. The limitation of this technology is that direct sky view is needed for reliable ...
    • Robust TS-ANFIS MPC of an autonomous racing electrical vehicle considering the battery state of charge 

      Samada Rigo, Sergio Emil; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha (Institute of Electrical and Electronics Engineers (IEEE), 2023-04)
      Article
      Accés restringit per política de l'editorial
      In this work, the trajectory tracking problem of an autonomous racing electrical vehicle is addressed. Accordingly, a two-layer control scheme is developed, such that stability, recursive feasibility, and constraint ...
    • Robustness and computational efficiency of a Kalman Filter estimator of time-dependent origin-destination matrices: exploiting ICT traffic measurements from information and communications technologiess 

      Barceló Bugeda, Jaime; Montero Mercadé, Lídia; Bullejos, Manuel; Linares Herreros, María Paz; Serch Muni, Oriol (2013)
      Text en actes de congrés
      Accés obert
      Origin–destination (O-D) trip matrices that describe the patterns of traffic behavior across a network are the primary data input used in principal traffic models and, therefore, a critical requirement in all advanced ...