Ara es mostren els items 7-26 de 40

    • Comparison between the Kalman and the non-linear least-squares estimators in low signal-to-noise ratio lidar inversion 

      Rocadenbosch Burillo, Francisco; Sicard, Michaël; Comerón Tejero, Adolfo; Md. Reba, Mohd Nadzri (2008)
      Text en actes de congrés
      Accés obert
      This works departs from previously published results of the authors and focus on joint estimation and time evolution of the atmospheric backscatter profile and a range-independent lidar ratio by means of 1) adaptive extended ...
    • Design of a reusable model rocket with vertical landing 

      Montserrat Robles, Èric (Universitat Politècnica de Catalunya, 2021-07-20)
      Treball Final de Grau
      Accés obert
      Aiming to design, produce and test a model rocket capable of landing. Different systems to accomplish the objective are implemented (aerodynamics brakes, landing legs, thrust vector control). A flight computer capable of ...
    • Detección de fallos en turbinas aerogeneradoras 

      Río Armenteros, Carlos (Universitat Politècnica de Catalunya, 2015-07-14)
      Projecte Final de Màster Oficial
      Accés obert
      In the wind turbines research field, it is critical the fault detection in sensors, actuators and system; to ensure its operation in optimum working zone in order to avoid material fatigue and, ultimately, reduce maintenance ...
    • DSP-based natural frame control schemes for three-phase unity-power-factor rectifiers 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Pena Alzola, Rafael (The institution of Engineering and Technology, 2016-05-01)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Traditionally, digital signal processor (DSP) control algorithms for three-phase power converters are designed in rotating or stationary reference frames. These approaches require the use of rotation matrices and employ ...
    • Dynamic OD matrix estimation exploiting bluetooth data in urban networkss 

      Barceló Bugeda, Jaime; Montero Mercadé, Lídia; Bullejos, Manuel; Serch, Oriol; Carmona Bautista, Carlos (2012)
      Text en actes de congrés
      Accés obert
      Time-Dependent Origin-Destination (OD) matrices are a key input to Dynamic Traffic Models. Microscopic and Mesoscopic traffic simulators are relevant examples of such models, traditionally used to assist in the design ...
    • EKF-based parameter identification of multi-rotor unmanned aerial vehiclesmodels 

      Munguía Alcalá, Rodrigo Francisco; Urzúa Sarquis, Isidro; Grau Saldes, Antoni (Multidisciplinary Digital Publishing Institute (MDPI), 2019-09-26)
      Article
      Accés obert
      This work presents a method for estimating the model parameters of multi-rotor unmanned aerial vehicles by means of an extended Kalman filter. Different from test-bed based identification methods, the proposed approach ...
    • Enhanced dual filter for floating wind lidar motion correction: The impact of wind and initial scan phase models 

      Salcedo Bosch, Andreu; Rocadenbosch Burillo, Francisco; Sospedra Iglesias, Joaquim (Multidisciplinary Digital Publishing Institute (MDPI), 2022-09-21)
      Article
      Accés obert
      An enhanced filter for floating Doppler wind lidar motion correction is presented. The filter relies on an unscented Kalman filter prototype for floating-lidar motion correction without access to the internal line-of-sight ...
    • Fusió de dades multisensorials de trànsit per a incrementar la fiabilitat, obtenir patrons de comportament i ajudar a la presa de decisions 

      Serch Muni, Oriol (Universitat Politècnica de Catalunya, 2014-06)
      Projecte Final de Màster Oficial
      Accés obert
    • Improved sensor fusion for flying laptop based on a multiplicative EKF 

      Von Arnim, Maximilian; Gaisser, Steffen; Klinkner, Sabine (Universitat Politècnica de Catalunya, 2022-04-29)
      Comunicació de congrés
      Accés obert
      Flying Laptop is a small satellite carrying an optical communications payload. It was launched in 2017. To improve the satellite’s attitude determination, which is used to point the payload, a new sensor fusion algorithm ...
    • IMU/GNSS integration for precise positioning: algorithm implementation and simulation 

      Serrano Jimenez, Ester (Universitat Politècnica de Catalunya, 2016-07-27)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
      The Centre Tecnològic de Telecomunicacions de Catalunya (CTTC), is developing a part of a project from the European program H2020 which consists in increase the safety, sustainability, flexibility and efficiency of road ...
    • Initial orbit determination and satellite tracking using optical observations 

      Aizcorbe Rodriguez, Carlos (Universitat Politècnica de Catalunya, 2021-07-15)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Xīběi Gōngyè Dàxué
      The objective of this project is to propose a passive method for orbit determination (OD) of GEO objects using observational data as position measurements. The proposed method use position measurements expressed as right ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Multivariable ARMA systems and practicable calculations 

      Hannan, E. J. (Universitat Politècnica de Barcelona. Centre de Càlcul, 1984-03)
      Article
      Accés obert
      The representation of ARMA systems in canonical state space is described and the idea of order and the manifold structure of spaces of systems are introduced. Some neighbourhood systems are described and related to other ...
    • On adaptive unscented Kalman filtering for floating Doppler wind-lidar motion correction: Effect of the number of lidar measurement heights 

      Salcedo Bosch, Andreu; Rocadenbosch Burillo, Francisco; Sospedra Iglesias, Joaquim (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés obert
      This work studies the influence of the number of lidar measurement heights on the performance of the floating Doppler wind lidar motion-correction algorithm, recently published by the authors. The work is in the context ...
    • Optimal control of hybrid photovoltaic/thermal water system in solar panels using the linear parameter varying approach 

      Jamaaoui, Faycel; Puig Cayuela, Vicenç; Ayadi, Mounir (2023-12-13)
      Article
      Accés obert
      During photovoltaic (PV) conversion in solar panels, a part of the solar radiation is not converted to electricity by the cells, producing heat that could increase their temperature. This increase in temperature deteriorates ...
    • 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 ...
    • Posicionament amb satèl·lits LEO i eina de software per observació de satèl·lits 

      Xapellí Jaime, Marc (Universitat Politècnica de Catalunya, 2022-10-27)
      Treball Final de Grau
      Accés obert
      As the title indicates, the project is divided in two parts: The first part of this document will explain the development of a LEO positioning system based on Iridium satellites. This system has been implemented in Matlab, ...