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   Articles with "ocean current" as a keyword



An iceberg forecast approach based on a statistical ocean current model

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recommendations! Published in 2019 at "Cold Regions Science and Technology"

DOI: 10.1016/j.coldregions.2018.11.016

Abstract: Abstract This article proposes a statistical model for short-term iceberg drift forecasts by transforming the problem of forecasting the iceberg velocity into a problem of forecasting the ocean current velocity. A Vector-autoregression model is identified… read more here.

Keywords: forecast approach; iceberg forecast; ocean current; model ... See more keywords

Modeling, simulation, and equilibrium analysis of tethered coaxial dual-rotor ocean current turbines

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recommendations! Published in 2021 at "Energy Conversion and Management"

DOI: 10.1016/j.enconman.2021.113929

Abstract: Abstract Tethered multirotor axial flow turbines have been proposed to overcome the many challenges associated with extracting ocean current energy where deep waters render seabed mounting strategies infeasible. However, flexible systems are inherently more susceptible… read more here.

Keywords: dual rotor; tethered coaxial; turbine; ocean current ... See more keywords

Neural-network estimators based fault-tolerant tracking control for AUV via ADP with rudders faults and ocean current disturbance

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recommendations! Published in 2020 at "Neurocomputing"

DOI: 10.1016/j.neucom.2020.06.026

Abstract: Abstract This paper investigates fault-tolerant tracking control problem for autonomous underwater vehicle (AUV) with rudders faults and ocean current disturbance. The adaptive dynamic programming (ADP) method is adopted to transform the fault-tolerant tracking control problem… read more here.

Keywords: rudders faults; ocean current; control; current disturbance ... See more keywords

Moment loads acting on a blade of an ocean current turbine in shear flow

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recommendations! Published in 2019 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2018.12.026

Abstract: Abstract The Kuroshio flowing near Japan is one of the largest ocean currents and it is considered that this energy possibly be an important energy source for Japan. A full-scale generator with twin 40m turbine… read more here.

Keywords: moment; moment loads; turbine; shear flow ... See more keywords

Switching LOS guidance with speed allocation and vertical course control for path-following of unmanned underwater vehicles under ocean current disturbances

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recommendations! Published in 2019 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2019.04.021

Abstract: Abstract This paper presents an application and stability result of a modified line-of-sight (LOS) guidance law for 3-D path-following (PF) of an unmanned underactuated underwater vehicle subject to environmental disturbances. The PF problem is solved… read more here.

Keywords: speed; course; los guidance; course control ... See more keywords

Experimental and numerical analysis of a multilayer composite ocean current turbine blade

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recommendations! Published in 2020 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2020.106977

Abstract: Abstract Ocean environmental corrosion and mechanical load vibration introduce considerable negative effects caused by the fluid-structure-environment interaction. A new design scheme for a blade with salinity corrosion resistance and mechanical fatigue resistance is proposed, based… read more here.

Keywords: blade; multilayer composite; ocean current; current turbine ... See more keywords
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The inclusion of ocean-current effects in a tidal-current model as forcing in the convection term and its application to the mesoscale fate of CO 2 seeping from the seafloor

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recommendations! Published in 2018 at "Ocean Modelling"

DOI: 10.1016/j.ocemod.2018.01.001

Abstract: Abstract The target seas of tidal-current models are usually semi-closed bays, minimally affected by ocean currents. For these models, tidal currents are simulated in computational domains with a spatial scale of a couple hundred kilometers… read more here.

Keywords: tidal current; ocean current; current model; effects tidal ... See more keywords
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Influence of surface waves on the hydrodynamic performance of a horizontal axis ocean current turbine

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recommendations! Published in 2020 at "Renewable Energy"

DOI: 10.1016/j.renene.2020.04.127

Abstract: Abstract It is known that surface waves have significant influence on the hydrodynamic performance of ocean current turbines which locate near the water surface. In order to quantitatively analyze the wave influence and reveal the… read more here.

Keywords: turbine; ocean current; hydrodynamic performance; surface ... See more keywords

A Time-Saving Path Planning Scheme for Autonomous Underwater Vehicles With Complex Underwater Conditions

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recommendations! Published in 2023 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2022.3205685

Abstract: Autonomous underwater vehicle (AUV) shows great potential in the Internet of Underwater Things (IoUT) system, in which the path planning algorithm plays a fundamental role. However, the complex underwater environment brings greater challenges to AUV… read more here.

Keywords: complex underwater; ocean current; time; path planning ... See more keywords

An AUV-Assisted Data Collection Scheme for UWSNs Based on Reinforcement Learning Under the Influence of Ocean Current

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recommendations! Published in 2024 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2023.3339155

Abstract: This article presents an approach to plan an autonomous underwater vehicle (AUV) data-gathering tour for underwater wireless sensor networks (UWSNs) under the influence of ocean current while ensuring data timeliness. To improve the feasibility and… read more here.

Keywords: data collection; auv; reinforcement learning; ocean current ... See more keywords

A Machine-Learning-Based Ocean-Current Velocity Inversion Model Using OCN From Sentinel-1 Observations

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recommendations! Published in 2025 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2025.3554229

Abstract: High-precision ocean-current velocity inversion is crucial for maritime activities. Synthetic aperture radar (SAR) has become a key data source for ocean-current velocity inversion. However, traditional methods, such as the Doppler centroid anomaly (DCA) and along-track… read more here.

Keywords: model; current velocity; ocean current; velocity inversion ... See more keywords