Results 11 to 20 of about 6,656 (263)

AUV 3D Path Planning Based on the Improved Hierarchical Deep Q Network

open access: yesJournal of Marine Science and Engineering, 2020
This study proposed the 3D path planning of an autonomous underwater vehicle (AUV) by using the hierarchical deep Q network (HDQN) combined with the prioritized experience replay.
Yushan Sun   +4 more
doaj   +1 more source

Formation Control of Multiple Unmanned Surface Vehicles Using the Adaptive Null-Space-Based Behavioral Method

open access: yesIEEE Access, 2019
This paper presents an adaptive null-space-based behavioral (NSB) method to deal with the problems of saturation planning and lack of adaptability when the traditional NSB method is applied to the formation control of multiple unmanned surface vehicles ...
Jiajia Fan   +5 more
doaj   +1 more source

Generalized Robust PCA: A New Distance Metric Method for Underwater Target Recognition

open access: yesIEEE Access, 2019
Inspired by the importance of distance metrics and the structure-preserving ability of features, a novel recognition method for underwater targets, called generalized robust principal component analysis (GRPCA), is proposed in this paper.
Jian Xu   +4 more
doaj   +1 more source

Distributed control system architecture for deep submergence rescue vehicles

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2019
The control architectures of Chuan Suo (CS) deep submergence rescue vehicle are introduced. The hardware and software architectures are also discussed. The hardware part adopts a distributed control system composed of surface and underwater nodes.
Yushan Sun   +4 more
doaj   +1 more source

Heading Control of Unmanned Surface Vehicle With Variable Output Constraint Model-Free Adaptive Control Algorithm

open access: yesIEEE Access, 2019
Based on model-free adaptive control (MFAC) theory, this paper presents a variable output constraint MFAC (VOC-MFAC) algorithm to enhance the robustness of an unmanned surface vehicle's (USV's) heading subsystem.
Quanquan Jiang   +4 more
doaj   +1 more source

Waypoint-tracking Control of a Benthic AUV Based on Model-free Adaptive Control Method

open access: yes水下无人系统学报, 2022
In this study, the model-free adaptive control(MFAC) method was applied to a waypoint-tracking control system to solve the problems of high uncertainty in the marine environment and difficulty in accurately determining the benthic autonomous undersea ...
Peng GAO   +4 more
doaj   +1 more source

Optimal design of power generation equipment for autonomous underwater vehicle

open access: yesAdvances in Mechanical Engineering, 2018
Autonomous underwater vehicle with the ability to generate electricity is an effective solution for detecting the ocean. In this article, a vertical-axis current generator for underwater vehicle is designed.
Fen Guo   +3 more
doaj   +1 more source

Autonomous underwater vehicles: Instrumentation and measurements [PDF]

open access: yesIEEE Instrumentation & Measurement Magazine, 2020
Oceans exploration and inspection are a great challenge for the industry nowadays. The underwater instrumentation and measurements are improving due to the current technologies, or by development of new ones, to cover the demand of the new industry offshore.
Pedro José Bernalte Sánchez   +2 more
openaire   +2 more sources

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

Research on AUV Energy Saving 3D Path Planning with Mobility Constraints

open access: yesJournal of Marine Science and Engineering, 2022
This paper aims to focus on the path planning problem of AUV in the marine environment. As well as considering the path length and safe obstacle avoidance, ocean currents should not be ignored as the main factor affecting the navigation energy ...
Guocheng Zhang   +4 more
doaj   +1 more source

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