Exploració per tema "Kalman filter"
Ara es mostren els items 23-40 de 40
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On adaptive unscented Kalman filtering for floating Doppler wind-lidar motion correction: Effect of the number of lidar measurement heights
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Text en actes de congrés
Accés obertThis 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
(2023-12-13)
Article
Accés obertDuring 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
(Universitat Politècnica de Catalunya, 2013-11-29)
Tesi
Accés obertThe 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
(Universitat Politècnica de Catalunya, 2022-10-27)
Treball Final de Grau
Accés obertAs 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
(2022-10-18)
Article
Accés obertThe 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
(2016-04)
Article
Accés obertThe 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
(Institute of Electrical and Electronics Engineers (IEEE), 2018-11-20)
Article
Accés obertThis 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
(International Society for Photo-Optical Instrumentation Engineers (SPIE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThis 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
(Institute of Electrical and Electronics Engineers (IEEE), 2020-11-24)
Article
Accés obertAs 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
(2021-12)
Article
Accés obertThis 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
(2015)
Text en actes de congrés
Accés restringit per política de l'editorialThis 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 ... -
Synergetic use of lidar and microwave radiometer observations for boundary-layer height detection
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialA synergetic approach for estimation of the nocturnal stable boundarylayer (SBL) height is presented. Aerosol backscatter from a lidar ceilometer and potential temperature from a microwave radiometer (MWR) are combined ... -
The formulation of structural time series models in discrete and continuous time
(Universitat Politècnica de Barcelona. Centre de Càlcul, 1983-12)
Article
Accés obertThis paper sets out an approach for modelling univariate time series, including those in which observations are available on a daily basis. An underlying continuous time model is formulated and it is shown that this model ... -
The selection of basic functions for a time-varying model of unmodeled errors in medium and long GNSS baselines
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-10-19)
Article
Accés obertUnmodeled errors play a critical role in improving the positioning accuracy of Global Navigation Satellite Systems. Few studies have addressed unmodeled errors in medium and long baselines using their time correlation, ... -
Time-Varying Market Beta: Does the estimation methodology matter?
(Institut d'Estadística de Catalunya, 2014-06-12)
Article
Accés obertThis paper compares the performance of nine time-varying beta estimates taken from three different methodologies never previously compared: least-square estimators including nonparametric weights, GARCH-based estimators ... -
Tracking by detection using YOLO and Kalman filtering
(Universitat Politècnica de Catalunya, 2021-06)
Treball Final de Grau
Accés obert
Realitzat a/amb: Technische Universität WienThis thesis presents an implementation for tracking by detection using YOLO and Kalman filter. This system allows detections with YOLO for a concrete object in a video sequence, then the Kalman filter models the motion and ... -
Variable structure control in natural frame for three-phase grid-connected inverters with LCL filter
(2017-07-05)
Article
Accés obertThis paper presents a variable structure control in natural frame for a three-phase voltage source inverter. The proposed control method is based on modifying the converter model in natural reference frame, preserving the ... -
Vision-based absolute navigation for the Martian landing
(Universitat Politècnica de Catalunya, 2013-12-09)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorFuture European missions aspire to bring soil samples from Mars back to Earth. The precise identification of the site from which samples are taken leads to major constraints as to the landing accuracy of the lander. ...