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OC-DWA: An Improved Dynamic Window Approach for USV Online Planning Considering Ocean Currents
In an oceanic environment, the dynamic window approach (DWA) is a widely used method for USV path planning. However, DWA neglects the impact of ocean...
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Comparison of biological swarm intelligence algorithms for AUVs for three-dimensional path planning in ocean currents’ conditions
This study aims to address the three-dimensional path planning problem of autonomous underwater vehicle (AUV) in the environment of ocean current and...
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Safety-Certificated Line-of-Sight Guidance of Unmanned Surface Vehicles for Straight-Line Following in a Constrained Water Region Subject to Ocean Currents
The collision-free straight-line following of an unmanned surface vehicle (USV) moving in a constrained water region subject to stationary and moving...
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A Cooperative Localization Algorithm Considering Unknown Ocean Currents for Multiple AUVs
Ocean currents often cause Autonomous Underwater Vehicles (AUVs) trajectory to drift, ultimately resulting in a failed localization. To solve the...
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Time and Energy Optimal Path Planning of USV Under Time-Varying Ocean Currents
An unmanned surface vessel (USV) is often deployed to operate for a long time, but considering that the energy of an unmanned ship should meet the...
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Ocean Navigation
This Chapter covers ocean navigation, which is defined as navigation out of sight of land. As it is impossible to reach the open ocean without...
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Tides and Currents
One of the fundamental forces that all marine navigators must consider is the action of tides, currents and tidal streams upon their craft. This...
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Path Following Control of Unmanned Surface Vessel with Unknown Ocean Currents Disturbances
This paper studies the path following problem of underactuated unmanned surface vehicle (USV) under circumstance of ocean currents. Initially, in...
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Dynamical systems for remote validation of very high-resolution ocean models
This paper presents and investigates a novel methodology for validating high-resolution ocean models using satellite imagery. High-resolution ocean...
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An Overview of Coupled Lagrangian–Eulerian Methods for Ocean Engineering
Combining the strengths of Lagrangian and Eulerian descriptions, the coupled Lagrangian–Eulerian methods play an increasingly important role in...
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Typhoon-Induced Ocean Waves and Stokes Drift: A Case Study of Typhoon Mangkhut (2018)
Ocean waves and Stokes drift are generated by typhoons. This study investigated the characteristics of ocean waves and wave-induced Stokes drift and...
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A Python Framework for Interactive 3D Visualisation of Ocean Data
Visual analysis is a promising technique for investigating, assessing, and better understanding the dynamics of complex ocean processes and...
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The impact of construction of detached breakwaters on wave system and sea currents
Seven detached breakwaters were built at a depth of 3–4 m between 1998 and 2003 to provide a safe area for swimming and recreational activities in El...
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Application of the EA model to the velocity transversal space-time cross-correlation functions measured in the ocean
The elliptical approximation (EA) model is an important method for deducing spatial fluctuations from the temporal fluctuations at a single point. It...
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A multi-phase SPH simulation of oil spill diffusion in seawater currents
In case of oil spills due to disasters, one of the main environmental concerns is the oil trajectory and, consequently, its spatial distribution. In...
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Study Effects of the Floater Geometry on the Output Power of Ocean Wave Energy Harvesters
Nowadays, with increasing progress in technology and the growth of the human population, the need for energy is increasing, consequently, researchers...
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Autonomous Underwater Vehicle Motion Planning in Realistic Ocean Environments Using Penalty Function-Particle Swarm Optimization Technique
In this work, the penalty functions technique together with the particle swarm optimization (PSO) algorithm are employed to develop a motion planning...
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Reliability assessment of the ocean thermal energy conversion systems through Monte Carlo simulation considering outside temperature variation
The ocean thermal energy conversion (OTEC) systems, as renewable energy-based power plants, have the potential to play a significant role in meeting...
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Nano-ecotoxicology in a changing ocean
The ocean faces an era of change, driven in large by the release of anthropogenic CO 2 , and the unprecedented entry of pollutants into the water...
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Investigation of particle laden gravity currents using the light attenuation technique
An extensional use of the light attenuation technique is described to study the dynamics of particle laden flows. The method is validated against an...
