Results 41 to 50 of about 1,938 (207)

Approach method for an autonomous underwater vehicle based on mutual positioning with an unmanned aerial vehicle

International Journal of Advanced Robotic Systems
This paper proposes an approach method that enables an autonomous underwater vehicle (AUV) to accurately approach an unmanned aerial vehicle (UAV)-deployed station in the final stage of a mission. AUVs are increasingly used as fully autonomous underwater
Takumi Matsuda, Yusuke Yokota
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UKF-Based Inverted Ultra-Short Baseline SLAM With Current Compensation

IEEE Access, 2022
This paper presents an inverted ultra-short baseline (iUSBL) simultaneous localization and mapping (SLAM) based on Unscented Kalman filter (UKF) with current compensation.
Jingxin Luo, Hak-Lim Ko
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Towards Autonomous Coordination of Two I-AUVs in Submarine Pipeline Assembly

Journal of Marine Science and Engineering
Inspection, maintenance, and repair (IMR) operations on underwater infrastructure remain costly and time-intensive because fully teleoperated remote operated vehicle s(ROVs) lack the range and dexterity necessary for precise cooperative underwater ...
Salvador López-Barajas, Alejandro Solis, Raúl Marín-Prades, Pedro J. Sanz   +3 more
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Modular AUV System with Integrated Real-Time Water Quality Analysis

Sensors, 2018
This paper describes the concept, the technical implementation and the practical application of a miniaturized sensor system integrated into an autonomous underwater vehicle (AUV) for real-time acquisition of water quality parameters.
Mike Eichhorn, Christoph Ament, Marco Jacobi, Torsten Pfuetzenreuter, Divas Karimanzira, Kornelia Bley, Michael Boer, Henning Wehde   +7 more
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Three-Dimensional Underwater Path Planning Based on Modified Potential Field Algorithm in Time-Varying Current

Polish 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, Feng Guilin, Wang Dan, Tuo Yulong   +3 more
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Hydrodynamic Numerical Analysis of Wave Pattern Due to the Motion of Suboff 5470 Underwater Vehicle Near the Free Surface

نشریه مهندسی دریا, 2019
The wave pattern generated by motion of autonomous underwater vehicle (AUV) near the water free surface is one of the significant factors in order to identify the AUV. In this research, firstly simulating the flow with constant velocity around the Wigley
masih honarmand, amir honaryar, mahmoud ghiasi   +2 more
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Design and analysis of fully-actuated AUV's three-dimensional path tracking control system

Zhongguo Jianchuan Yanjiu, 2019
[Objectives] In order to meet the requirements of underwater search and rescue,recovery and submarine geomorphology imaging of fully-actuated Autonomous Underwater Vehicle (AUV), the application method of its three-dimensional path tracking control is ...
Yao Jinyi, Zeng Qingjun, Zhao Qiang, Zhu Zhiyu, Dai Wenwen   +4 more
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Model-Based AUV Path Planning Using Curriculum Learning and Deep Reinforcement Learning on a Simplified Electronic Navigation Chart

Applied Sciences
Deep Reinforcement Learning (DRL)-based algorithms have demonstrated substantial effectiveness in tackling complex control problems for autonomous underwater vehicles (AUVs).
Łukasz Marchel, Rafał Kot, Piotr Szymak, Paweł Piskur   +3 more
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New Vectorial Propulsion System and Trajectory Control Designs for Improved AUV Mission Autonomy

Sensors, 2018
Autonomous Underwater Vehicles (AUV) are proving to be a promising platform design for multidisciplinary autonomous operability with a wide range of applications in marine ecology and geoscience.
Ivan Masmitja, Julian Gonzalez, Cesar Galarza, Spartacus Gomariz, Jacopo Aguzzi, Joaquin del Rio   +5 more
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Observability Analysis of DVL/PS Aided INS for a Maneuvering AUV

Sensors, 2015
Recently, ocean exploration has increased considerably through the use of autonomous underwater vehicles (AUV). A key enabling technology is the precision of the AUV navigation capability.
Itzik Klein, Roee Diamant
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