Results 21 to 30 of about 15,162 (218)

Unmanned surface vessel heading control of model-free adaptive method with variable integral separated and proportion control

open access: yesInternational Journal of Advanced Robotic Systems, 2019
Based on model-free adaptive control theory, the heading control problem of unmanned surface vessels under uncertain influence is explored. Firstly, the problems of compact form dynamic linearization model-free adaptive control method applied to unmanned
Quanquan Jiang   +5 more
doaj   +1 more source

Controlling-strategy design and working-principle demonstration of novel anti-winding marine propulsion

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2020
A traditional propeller can easily become entangled with floating objects while operating. In this paper, we present a newly developed Electromagnetic-valve-control-based Water-jet Propulsion System (ECWPS) for an unmanned surface cleaning vessel that ...
Yaojing Luo   +6 more
doaj   +1 more source

Design of Unmanned Surface Vessels Experiment Platform [PDF]

open access: yesProceedings of the 2nd International Conference on Advances in Mechanical Engineering and Industrial Informatics (AMEII 2016), 2016
In recent years, More and more attention has been paid to Unmanned Surface Vessels motion control field. An experimental platform for USV based on wireless communication was introduced for USV motion control algorithm experiments in this paper. The structure and implementation of experimental platform was described in detail.
openaire   +1 more source

Transformer: A Multifunctional Fast Unmanned Aerial Vehicles–Unmanned Surface Vehicles Coupling System

open access: yesMachines, 2021
With the continuous development of the maritime economy, the maritime unmanned surface vehicles (USVs) and unmanned aerial vehicles (UAVs) have become important parts of the maritime transportation system.
Mingzhang Chen   +4 more
doaj   +1 more source

Extreme flood-driven fluvial bank erosion and sediment loads: direct process measurements using integrated Mobile Laser Scanning (MLS) and hydro-acoustic techniques: Direct measurement of flood-driven erosion using MLS and MBES [PDF]

open access: yes, 2016
Copyright © 2016 John Wiley & Sons, Ltd. This methods paper details the first attempt at monitoring bank erosion, flow and suspended sediment at a site during flooding on the Mekong River induced by the passage of tropical cyclones.
Aalto, Rolf   +7 more
core   +4 more sources

Collective Dynamics and Control for Multiple Unmanned Surface Vessels [PDF]

open access: yesIEEE Transactions on Control Systems Technology, 2020
A multi-unmanned surface vessel (USV) formation control system is established on a novel platform composed of three 1.2 meter-long hydraulic jet propulsion surface vessels, a differential GPS reference station, and inter-vessel Zigbee communication modules.
Bin Liu   +6 more
openaire   +2 more sources

Design and implementation of unmanned surface vessel long-distance communication system

open access: yesDianxin kexue, 2021
Unmanned surface vessel (USV) long-distance communication has important use in marine survey operations.The design and equipment development of USV long-distance communication system were carried out from both shore-side communication equipment and boat ...
Xue LI   +5 more
doaj   +2 more sources

Autonomous Shallow Water Hydrographic Survey Using a Proto-Type USV

open access: yesJournal of Marine Science and Engineering, 2023
Maritime unmanned systems (MUS) have gained widespread usage in a diverse range of hydrographic survey activities, including harbor/port surveys, beach and coastline monitoring, environmental assessment, and military operations.
Laurențiu-Florin Constantinoiu   +2 more
doaj   +1 more source

Energy-efficient through-life smart design, manufacturing and operation of ships in an industry 4.0 environment [PDF]

open access: yes, 2017
Energy efficiency is an important factor in the marine industry to help reduce manufacturing and operational costs as well as the impact on the environment.
Ang, Joo Hock   +3 more
core   +3 more sources

Parameter optimization of unmanned surface vessel propulsion motor based on BAS-PSO

open access: yesInternational Journal of Advanced Robotic Systems, 2022
Despite advances in modern control theory and artificial intelligence technology, current methods for tuning proportional-integral-derivative (PID) controller parameters based on the traditional particle swarm optimization (PSO) algorithm do not meet the
Li Bian   +4 more
doaj   +1 more source

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