Results 91 to 100 of about 2,479 (237)

On-Site Calibration-Based Estimation Method of Forward Seabed Elevation Using Forward Scan Sonar [PDF]

open access: yes, 2019
This paper addresses a novel calibration-based estimation method to measure the forward seabed elevation (FSE) where an area illuminated by forward scan sonar (FSS) for unmanned underwater vehicles (UUVs).
CHO, HYEONWOO   +2 more
core   +1 more source

Dynamic Modeling of Unmanned Underwater Vehicles with Online Disturbance Compensation Scheme

open access: yesJournal of Robotics, Volume 2024, Issue 1, 2024.
With the advancement in robotics technology over the recent years, underwater robots’ design and development are gaining interest. Unmanned underwater vehicles (UUVs) have many applications in aquaculture, deep‐sea exploration, research, and enhanced rescue tasks. However, various factors must be considered when developing any underwater vehicle system
Sheikh Izzal Azid   +4 more
wiley   +1 more source

Energy‐Efficient Routing Algorithm for Optimizing Network Performance in Underwater Data Transmission Using Gray Wolf Optimization Algorithm

open access: yesJournal of Sensors, Volume 2024, Issue 1, 2024.
Due to the aquatic nature of communication in the underwater world, the underwater acoustic sensor network (UASN) is commonly used. However, it has inherent limitations, such as limited bandwidth, high transmission energy, long propagation delays, void regions, and expensive battery replacement.
Gulista Khan   +7 more
wiley   +1 more source

Systems approach to defeating Maritime Improvised Explosive Devices in U.S. ports [PDF]

open access: yes, 2008
Includes supplementary materialInsight gained from terrorist attacks, training excercises, and intelligence intercepts over the past few years has shown a renewed interest in the use of mining as an effective means of disrupting commerce and damaging ...
Causee, Christopher   +10 more
core  

The blockchain: a new framework for robotic swarm systems [PDF]

open access: yes, 2017
Swarms of robots will revolutionize many industrial applications, from targeted material delivery to precision farming. However, several of the heterogeneous characteristics that make them ideal for certain future applications --- robot autonomy ...
A Ruckelshausen   +19 more
core   +2 more sources

Design of Observation Class Remotely Operated Vehicles (OCROV) for an Exploration Operation in Restricted Underwater Channel

open access: yesJournal of Robotics, Volume 2024, Issue 1, 2024.
Unmanned underwater vehicles (UUVs) are currently one of the practical instruments to complete some human unreachable tasks such as deep‐sea exploration, hazardous chemical‐contaminated underwater areas, and very tight or narrow underwater channels.
Sarawuth Srinakaew   +2 more
wiley   +1 more source

UUV Autonomous Decision-Making Method Based on Dynamic Influence Diagram

open access: yesComplexity, 2020
Considering the complexity and uncertainty of decision-making in the operating environment of an unmanned underwater vehicle (UUV), this study proposes an autonomous decision-making method based on the dynamic influence diagram (DID) and expected utility
Hongfei Yao, Hongjian Wang, Ying Wang
doaj   +1 more source

Evaluation of an acoustic detection algorithm for reactive collision avoidance in underwater applications [PDF]

open access: yes, 2013
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2013.Cataloged from PDF version of thesis.Includes bibliographical references (page 33).This thesis sought to evaluate a vehicle detection algorithm based on a passive
Viquez Rojas, Oscar Alberto
core  

Autonomous Unmanned Vehicle (AUV) Workbench Rehearsal and Replay: Mapping Diverse Vehicle Telemetry Outputs to Common XML Data Archives [PDF]

open access: yes, 2007
15th International Symposium on Unmanned Untethered Submersible Technology (UUST), Autonomous Undersea Systems Institute (AUSI), Durham New Hampshire, 19-22 August 2007.NPS AUV Workbench ...
Brutzman, Don
core  

Positioning Systems for Unmanned Underwater Vehicles: A Comprehensive Review

open access: yesApplied Sciences
Positioning systems are integral to Unmanned Underwater Vehicle (UUV) operation, enabling precise navigation and control in complex underwater environments.
Christos Alexandris   +2 more
doaj   +1 more source

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