Browsing by Author "Salcedo Bosch, Andreu"
Now showing items 1-20 of 23
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A Robust Adaptive Unscented Kalman Filter for floating Doppler Wind-LiDAR motion correction
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-10-18)
Article
Open AccessThis study presents a new method for correcting the six degrees of freedom motion-induced error in ZephIR 300 floating Doppler Wind-LiDAR-derived data, based on a Robust Adaptive Unscented Kalman Filter. The filter takes ... -
A unified formulation for the computation of the six-degrees-of-freedom-motion-induced errors in floating Doppler wind LiDARs
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-07)
Article
Open AccessThis work presents an analytical formulation to assess the six-degrees-of-freedom-motion-induced error in floating Doppler wind LiDARs (FDWLs). The error products derive from the horizontal wind speed bias and apparent ... -
Analytical-model compensation of the motion-induced turbulence in floating Doppler-wind Lidar measurements
(Institute of Electrical and Electronics Engineers (IEEE), 2024)
Conference report
Open AccessThis work presents a novel method to statistically compensate for the apparent motion-induced turbulence in floating Doppler-Wind LiDAR measurements. The method relies on the analytical model [1], recently published by the ... -
Artificial intelligence, LiDAR and co-operative remote sensing for atmospheric observation and off-shore wind energy
(Universitat Politècnica de Catalunya, 2023-06-30)
Doctoral thesis
Open Access(English) Remote sensing of the atmosphere is widely used by the wind energy industry to both assess future wind farms deployment sites as well as to improve their operation. With the rising interest in offshore wind energy, ... -
Assessing Obukhov length and friction velocity from floating lidar observations: A data screening and sensitivity computation approach
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-14)
Article
Open AccessThis work presents a parametric-solver algorithm for estimating atmospheric stability and friction velocity from floating Doppler wind lidar (FDWL) observations close to the mast of IJmuiden in the North Sea. The focus of ... -
Atmospheric stability classification from floating Doppler wind lidar measurements: a machine learning approach
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Open AccessThis work studies the capabilities of the k-nearest-neighbours (KNN) method to estimate the atmospheric stability from floating Doppler wind lidar measurements of the vertical wind profile. A procedure to generate synthetic ... -
Enhanced dual filter for floating wind lidar motion correction: The impact of wind and initial scan phase models
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-09-21)
Article
Open AccessAn 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 ... -
Estimation of the motion-induced horizontal-wind-speed standard deviation in an offshore doppler lidar
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-12-14)
Article
Open AccessThis work presents a new methodology to estimate the motion-induced standard deviation and related turbulence intensity on the retrieved horizontal wind speed by means of the velocity-azimuth-display algorithm applied to ... -
Estimation of wave period from pitch and roll of a lidar buoy
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-02-12)
Article
Open AccessThis work proposes a new wave-period estimation (L-dB) method based on the power-spectral-density (PSD) estimation of pitch and roll motional time series of a Doppler wind lidar buoy under the assumption of small angles ... -
Floating Doppler Wind Lidar measurement of wind turbulence: a cluster analysis
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Conference report
Open AccessThe standard deviation of the Horizontal Wind Speed as a proxy of wind turbulence is used to compare the apparent wind turbulence measured by an off-shore floating Doppler lidar to the one measured by a fixed lidar on a ... -
Floating Doppler Wind Lidar motion simulator for horizontal wind speed measurement error assessment
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessThis study presents a wind retrieval simulator of a floating Doppler Wind Lidar (DWL) with 6 Degrees of Freedom (DoF) motion. The simulator considers a continuous-wave conical-scanning floating DWL which retrieves the wind ... -
Floating lidar assessment of atmospheric stability in the North Sea
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessIn this work, the 2D parametric-solver algorithm [1] used to assess atmospheric stability from floating Doppler wind lidar (FDWL) measurements is revisited. The algorithm performance is studied using data from IJmuiden ... -
Forward method for vertical air motion estimation from frequency modulated continuous wave radar rain measurements
(MeteoSwiss (Bundesamt für Meteorologie und Klimatologie MeteoSchweiz), 2022)
Conference report
Open AccessVertically-pointed Frequency-Modulated Continuous-Wave (FMCW) radar measurements of rain are greatly influenced by strong vertical winds (vertical air motion, VAM) in convective rain scenarios. Particularly, 2nd order ... -
Motional behavior estimation using simple spectral estimation: application to the off-shore wind lidar
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Conference report
Open AccessThis paper proposes two methods to estimate the so-called “characteristic motional period” of a floating wind-lidar buoy. These techniques aim to characterise the buoy's pitch and roll tilting as simple harmonic motions ... -
Numerical solver for vertical air motion estimation
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessWe present preliminary research on a method to estimate Vertical Air Motion (VAM) at a particular height by comparing the measured rain-rate (RR) by a vertically-pointing S-band Frequency-Modulated Continuous-Wave (FMCW) ... -
Offshore Doppler Wind LiDAR assessment of atmospheric stability
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Conference report
Open AccessThis paper tackles atmospheric stability typing using a Zephyr™ 300 offshore Doppler Wind Lidar in the context of its progressive acceptance in the offshore wind-energy industry. The lidar-retrieved wind-shear exponent, ... -
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)
Conference report
Open AccessThis 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 ... -
On the feasibility of radial spatial averaging to improve satellite Synthetic Aperture Radar ocean wind retrievals
(Institute of Electrical and Electronics Engineers (IEEE), 2024)
Conference report
Open AccessThis work focuses on the feasibility of radial spatial av-eraging to improve satellite Synthetic Aperture Radar (SAR) ocean Horizontal Wind Speed (HWS) retrievals even in neu-tral atmosphere situations. The reference for ... -
On the performance of the unscented Kalman filter for floating Doppler wind lidar motion correction in an open-sea scenario
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Open AccessThis work analyzes the influence of open-sea wave motion on the performance of the floating Doppler wind lidar motion-compensation method [1], recently published by the authors. The method is applied to a floating ZephIR ... -
On the retrieval of surface-layer parameters from lidar wind-profile measurements
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-05-19)
Article
Open AccessWe revisit two recent methodologies based on Monin–Obukhov Similarity Theory (MOST), the 2D method and Hybrid-Wind (HW), which are aimed at estimation of the Obukhov length, friction velocity and kinematic heat flux within ...
