Results 51 to 60 of about 1,528,944 (211)

Dumpsite Seabed Characterization of the San Pedro Basin, CA, From Autonomous Vehicle Observations

Journal of Field Robotics, EarlyView.
ABSTRACT A wide‐area seabed survey was conducted using autonomous underwater vehicles (AUVs) in a known dumpsite off the coast of Southern California that has been found to have widespread sediment contamination from the chemical dichlorodiphenyltrichloroethane (DDT).
Ryan A. McCarthy, Dylan Kriegman, Sophia T. Merrifield, Heidi Batchelor, Eric J. Terrill   +4 more
wiley   +1 more source

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
doaj   +1 more source

Design and Implementation of an Autonomous Underwater Vehicle (AUV) with PTFE

Advances in Robotics & Automation, 2018
In this paper, we presented a light, reliable underwater robot made of Poly Tetra Fluoro Ethylene (PTFE) which has a high safety coefficient against the forces being applied on it in different circumstances of the sea depths in addition to being light, cheap and also we presented a very quick and low-cost method for sealing off this robot made of ...
Jebelli A, Yagoub C, Dhillon S
openaire   +1 more source

Deep learning‐based super‐resolution reconstruction and improved YOLOv9 for efficient benthos detection: a case study at Lake Hamana, Japan

Remote Sensing in Ecology and Conservation, EarlyView.
This study presents a UAV‐based framework that integrates deep learning‐based super‐resolution reconstruction and an enhanced YOLO detector to improve centimetre‐scale benthic organism monitoring. Using hermit crabs in Lake Hamana, a coastal lagoon in Japan, as a case study, the method substantially enhanced small‐object detection performance ...
Fan Zhao, Bangzhang Ma, Dianhan Xi, Jiaqi Wang, Yijia Chen, Yongying Liu, Xinlei Shao, Mowen Zhang, Guocheng Zhang, Jundong Chen, Katsunori Mizuno   +10 more
wiley   +1 more source

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
doaj   +1 more source

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
doaj   +1 more source

A Review of Virtual Simulators for Autonomous Underwater Vehicles (AUVs)

IFAC Proceedings Volumes, 2008
Abstract This paper overviews graphical simulators used for Autonomous Underwater Vehicles (AUVs) development. Graphical simulators allow researchers to develop autonomous software without the need for the actual vehicle. There are many graphical simulators developed to date, for somebody who is involved in AUV research it becomes difficult to decide
O. Matsebe, C.M. Kumile, N.S. Tlale
openaire   +1 more source

Scalable low‐cost seabed landers: the missing link for sustained, integrated, long‐term observations in dynamic shallow seas

Remote Sensing in Ecology and Conservation, EarlyView.
Seabed landers, when equipped with a range of biotic and abiotic sensors, offer a non‐invasive and cost‐effective solution for ecosystem‐scale monitoring of Essential Biodiversity Variables (EBVs) and Essential Ocean Variables (EOVs) in dynamic shallow seas.
Arienne Calonge, Roeland Develter, Carlota Muñiz, Clea Parcerisas, Jan Reubens, Wieter Boone, Klaas Deneudt, Elisabeth Debusschere   +7 more
wiley   +1 more source

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
doaj  

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
doaj   +1 more source