Results 31 to 40 of about 6,125,993 (245)

Vision-Based Real-Time Obstacle Segmentation Algorithm for Autonomous Surface Vehicle

open access: yesIEEE Access, 2019
Among various sensors used to recognize obstacles in marine environments, vision sensors are the most basic. Vision sensors are significantly affected by the surrounding environment and cannot recognize distant objects.
Hanguen Kim   +6 more
doaj   +1 more source

ENDURUNS: An Integrated and Flexible Approach for Seabed Survey Through Autonomous Mobile Vehicles

open access: yesJournal of Marine Science and Engineering, 2020
The oceans cover more than two-thirds of the planet, representing the vastest part of natural resources. Nevertheless, only a fraction of the ocean depths has been explored.
Simone Marini   +27 more
doaj   +1 more source

Dynamic modeling and optimal control of a positive buoyancy diving autonomous vehicle

open access: yesBrodogradnja, 2023
The positive buoyancy diving autonomous vehicle combines the features of an Unmanned Surface Vessel (USV) and an Autonomous Underwater Vehicle (AUV) for marine measurement and monitoring.
Zhiguang Wang   +5 more
doaj   +1 more source

Active Disturbance Rejection Fuzzy Controller for Roll Stabilization of Autonomous Underwater Vehicle under Wave Disturbance

open access: yesDiscrete Dynamics in Nature and Society, 2015
Considering the case of autonomous underwater vehicle navigating with low speed near water surface, a new method for designing of roll motion controller is proposed in order to restrain wave disturbance effectively and improve roll stabilizing ...
Lin-Lin Wang   +3 more
doaj   +1 more source

Architecture of Vehicle Trajectories Extraction With Roadside LiDAR Serving Connected Vehicles

open access: yesIEEE Access, 2019
This paper developed a data processing procedure for detection and tracking of multi-lane multi-vehicle trajectories with a roadside Light Detection and Ranging (LiDAR) sensor.
Jingrong Chen   +5 more
doaj   +1 more source

Analysis of causation of loss of communication with marine autonomous systems: a probability tree approach [PDF]

open access: yes, 2014
The last decade has seen the eagerly anticipated introduction of marine autonomous systems as a pragmatic tool for ocean observation. However, outstanding reliability problems means that these vehicles are not yet fulfilling their true potential.
Brito, M.P., Griffiths, G., Smeed, D.A.
core   +1 more source

A Low-Cost, Open-Source, Multi-Purpose Autonomous Surface Vehicle

open access: yesJournal of Marine Science and Engineering
Autonomous surface vehicles (ASVs) have played a crucial role in various areas, including oceanographic research, environmental monitoring, and asset inspection. However, the high cost and proprietary nature of many platforms limit accessibility.
Thomaz Augusto Kras Benatti   +6 more
doaj   +1 more source

High-performance collision avoidance parallel parking strategy of the autonomous vehicle

open access: yesFundamental Research
A parallel parking strategy of the uncertain autonomous vehicle is presented. In the actual driving environment, due to the influence of unpredictable factors such as uneven road surface and climate change, there is uncertainty in the process of parallel
Guofeng Wang   +4 more
doaj   +1 more source

microUSV: A low-cost platform for indoor marine swarm robotics research

open access: yesHardwareX, 2020
This article describes an open source Unmanned Surface Vehicle (USV) designed to operate in indoor laboratory environments. The microUSV is small (23 cm long) and inexpensive (approximately $320 per unit for 10 vessels): an ideal hardware platform for ...
Calvin Gregory, Andrew Vardy
doaj   +1 more source

Mathematical Model for WAVE, an Energy Harvesting Marine Surface Vehicle

open access: yesIEEE Access
WAVE is a multi-propulsion vehicle developed by the Italian Navy which can work as an AUV (Autonomous Underwater Vehicle), a glider and, when at surface, as a wave glider.
Daniele Di Vito   +6 more
doaj   +1 more source

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