Ara es mostren els items 14-33 de 40

    • 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, ...
    • Real-time leak diagnosis in water distribution systems based on a bank of observers and a genetic algorithm 

      Navarro Díaz, Adrián; Delgado-Aguiñaga, J.A.; Puig Cayuela, Vicenç; Santos Ruiz, Ildeberto de los (2022-10-18)
      Article
      Accés obert
      The main contribution of this paper is to present a novel solution for the leak diagnosis problem in branched pipeline systems considering the availability of pressure head and flow rate sensors on the upstream (unobstructed) ...
    • Real-time model-based video stabilization for microaerial vehicles 

      Aguilar Castillo, Wilbert Geovanny; Angulo Bahón, Cecilio (2016-04)
      Article
      Accés obert
      The emerging branch of micro aerial vehicles (MAVs) has attracted a great interest for their indoor navigation capabilities, but they require a high quality video for tele-operated or autonomous tasks. A common problem of ...
    • 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 ...
    • 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 ...
    • Review of local network impedance estimation techniques 

      Kervyn De Meerendre, Mathieu; Prieto Araujo, Eduardo; Ahmed, Khaled H.; Gomis Bellmunt, Oriol; Xu, Lie; Egea Àlvarez, Agustí (Institute of Electrical and Electronics Engineers (IEEE), 2020-11-24)
      Article
      Accés obert
      As a result of increasing variability of network impedance, interest in impedance estimation techniques is growing. This review contextualises local impedance estimation techniques by providing a historical prospective on ...
    • Sensor selection and distributed quantization for energy efficiency in massive MTC 

      Liesegang Maria, Sergi; Muñoz Medina, Olga; Pascual Iserte, Antonio (2021-12)
      Article
      Accés obert
      This paper presents an estimation approach within the framework of uplink massive machine-type-communications (mMTC) that considers the energy limitations of the devices. We focus on a scenario where a group of sensors ...
    • Sliding-mode control for a three-phase shunt active power filter in natural frame 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Morales López, Javier; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Torres Martínez, Javier (2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents an improved variable hysteresis-band current-control in natural frame for a three-phase shunt active power filter. The proposed control algorithm is based on three decoupled sliding-mode controllers ...