Results 1 to 10 of about 50,279 (277)

Simultaneous Underwater Navigation and Mapping

open access: yesU.Porto Journal of Engineering, 2019
The use of underwater autonomous vehicles has been growing, allowing the performance of tasks that cause inherent risks to Human, namely in inspection processes near to structures.
Ana Rita Silva Gaspar, AnĂ­bal Matos
doaj   +4 more sources

Survey of Terrain-Aided Navigation Methods for Underwater Vehicles

open access: yesIEEE Access, 2023
The prerequisite for underwater vehicles to accomplish various underwater tasks is to obtain real-time position information about themselves in the underwater environment using internal or external sensors, which is known as underwater positioning and ...
Gang Fan   +6 more
doaj   +1 more source

The Research on Ocean Polarized Light Fields at Different Depths for Polarization Navigation

open access: yesIEEE Access, 2023
The feasibility of underwater polarization navigation technology in low visibility waters, especially in large depths, has always been questioned. To explore the influence of depth on underwater polarization navigation technology, we study the ocean ...
Haoyuan Cheng   +4 more
doaj   +1 more source

Linear Track Underwater Carrier SINS Correction Method Based on Hydroacoustic Single Beacon

open access: yesIEEE Access, 2022
Precise positioning of underwater vehicles using only a single beacon for range measurement is one of the toughest challenges for underwater navigation, especially when the underwater vehicle travels along a straight path resulting in the system ...
Enfan Lin   +4 more
doaj   +1 more source

A Real-Time Autonomous Gravity Measurement Method for Underwater Gravity-Aided Navigation

open access: yesIEEE Access, 2023
Underwater gravity-assisted navigation is typically employed by submarines as a navigation method when external navigation information is not easily available, which necessitates the acquisition of gravity information through autonomous measurement ...
Wenyu Ai   +3 more
doaj   +1 more source

The Polarized Light Field Enables Underwater Unmanned Vehicle Bionic Autonomous Navigation and Automatic Control

open access: yesJournal of Marine Science and Engineering, 2023
In response to the critical need for autonomous navigation capabilities of underwater vehicles independent of satellites, this paper studies a novel navigation and control method based on underwater polarization patterns.
Haoyuan Cheng   +4 more
doaj   +1 more source

An Underwater Visual Navigation Method Based on Multiple ArUco Markers

open access: yesJournal of Marine Science and Engineering, 2021
Underwater navigation presents crucial issues because of the rapid attenuation of electronic magnetic waves. The conventional underwater navigation methods are achieved by acoustic equipment, such as the ultra-short-baseline localisation systems and ...
Zhizun Xu   +4 more
doaj   +1 more source

Localization Uncertainty Estimation for Autonomous Underwater Vehicle Navigation

open access: yesJournal of Marine Science and Engineering, 2023
High-precision positioning capability is a crucial technology for achieving accurate navigation in autonomous underwater vehicles (AUVs). However, due to severe electromagnetic wave attenuation underwater and the unavailability of the global positioning ...
Yong Zhang   +3 more
doaj   +1 more source

Risk Related Incorrect Decompression, Stage Ascent Procedures with the Use of Decompression Tables as a type of Preventive Actions Against the Effects of Decompression

open access: yesScientific Journal of Gdynia Maritime University, 2023
The article presents what decompression is, how to perform it correctly using dive ascent tables, and the typical symptoms of decompression sickness.
Katarzyna Mielniczek   +1 more
doaj   +1 more source

Bayesian Surface and Underwater Navigation [PDF]

open access: yesIEEE Transactions on Signal Processing, 2006
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Karlsson, R., Gustafsson, F.
openaire   +2 more sources

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