Results 11 to 20 of about 41,284 (223)

Towards Arctic AUV Navigation

open access: yesIFAC-PapersOnLine, 2018
Abstract The navigational drift for Autonomous Underwater Vehicles (AUVs) operating in open ocean can be bounded by regular surfacing. However, this is not an option when operating under ice. To operate effectively under ice requires an on-board navigation solution that does not rely on external infrastructure.
Salavasidis G.   +5 more
openaire   +4 more sources

Depth control of autonomous underwater vehicle using discrete time sliding mode controller [PDF]

open access: yes, 2019
This study presents a Discrete Time Sliding Mode Controller (DSMC) application on depth plane of Autonomous Underwater Vehicle (AUV). The main contribution on this work is an implementation of DSMC on NSP AUV II.
A. Jalil, Mohd Hafiz   +3 more
core   +1 more source

Extreme learning-based non-linear model predictive controller for an autonomous underwater vehicle: simulation and experimental results

open access: yesIET Cyber-systems and Robotics, 2019
In this study, an extreme learning-based non-linear model predictive controller (NMPC) is proposed for path following planning of an autonomous underwater vehicle (AUV) using horizontal way-points. The proposed controller comprises a kinematic controller
Biranchi Narayan Rath, Bidyadhar Subudhi
doaj   +1 more source

Sequence variations of the 1-2-3 Conjecture and irregularity strength [PDF]

open access: yes, 2012
Karonski, Luczak, and Thomason (2004) conjectured that, for any connected graph G on at least three vertices, there exists an edge weighting from {1,2,3} such that adjacent vertices receive different sums of incident edge weights.
Seamone, Ben, Stevens, Brett
core   +3 more sources

Metrological studies of the characteristics of multilayer surface coatings using synchrotron radiation

open access: yesРоссийский технологический журнал, 2021
The investigations of multilayer surface nanostructures characteristics was performed with synchrotron radiation sources, characterized by an intensive, calculated continuum. It plays an important role in nanoelectronics metrological base.
A. S. Sigov   +4 more
doaj   +1 more source

Insurance for autonomous underwater vehicles [PDF]

open access: yes, 2007
The background and practice of insurance for autonomous underwater vehicles (AUVs) are examined. Key topics include: relationships between clients, brokers and underwriters; contract wording to provide appropriate coverage; and actions to take when an ...
Blidberg, D.R.   +3 more
core   +1 more source

Docking experiment of underwater vehicle by dual-eye visual servoing in sea

open access: yesNihon Kikai Gakkai ronbunshu, 2017
A variety of robots has been studied and developed for undersea exploration. One of the applications for undersea exploration is mining of undersea resources such as methane hydrate and rare metal by Autonomous Underwater Vehicle (AUV).
Kenta YONEMORI   +4 more
doaj   +1 more source

Three-Dimensional Underwater Path Planning Based on Modified Potential Field Algorithm in Time-Varying Current

open access: yesPolish Maritime Research, 2023
The article addresses the three-dimensional (3D) underwater path planning problem of an autonomous underwater vehicle (AUV) in a time-varying current.
Wang Shasha   +3 more
doaj   +1 more source

Design and Experiment of a Plateau Data-Gathering AUV

open access: yesJournal of Marine Science and Engineering, 2019
The design, control, and implementation of an autonomous underwater vehicle (AUV) for collecting hydrological information from plateau rivers and lakes are presented in this paper.
Hao Xu   +5 more
doaj   +1 more source

A Unified Approach for Underwater Homing and Docking of over-Actuated AUV

open access: yesJournal of Marine Science and Engineering, 2021
During the implementation of time-consuming tasks such as underwater observation or detection, AUV has to face a difficult and urgent problem that its working duration is greatly shortened by the limited energy stored in the battery device.
Mingjiu Zuo   +3 more
doaj   +1 more source

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