Results 31 to 40 of about 406,279 (280)
HardwareX, 2023 Research, monitoring, and management of marine and aquatic ecosystems often require surface water samples to measure biogeochemical and optical parameters.
Daniel F. Carlson +5 more
doaj +1 more source
Taming an Autonomous Surface Vehicle for Path Following and Collision Avoidance Using Deep Reinforcement Learning [PDF]
IEEE Access, 2019 In this article, we explore the feasibility of applying proximal policy optimization, a state-of-the-art deep reinforcement learning algorithm for continuous control tasks, on the dual-objective problem of controlling an underactuated autonomous surface ...
Eivind Meyer +3 more
semanticscholar +1 more source
Design of Small Unmanned Surface Vehicle with Autonomous Navigation System
Inventions, 2021 Maintaining ecosystems is one of the current leading public concerns. Some of the pressing problems that threaten water resources are pollution of water bodies with floating debris, illegal extraction of water resources, wear and tear of underwater ...
Georgii Kolev +4 more
doaj +1 more source
J. Field Robotics, 2020 We present results from sea trials for an autonomous surface vehicle (ASV) equipped with a collision avoidance system based on model predictive control (MPC).
D. Kufoalor +4 more
semanticscholar +1 more source
Architecture of Vehicle Trajectories Extraction With Roadside LiDAR Serving Connected Vehicles
IEEE 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
Sensors, 2020 A single anti-collision trajectory generation problem for an “own” vessel only is significantly different from the challenge of generating a whole set of safe trajectories for multi-surface vehicle encounter situations in the open sea.
Jolanta Koszelew +5 more
doaj +1 more source
Dynamic modeling and optimal control of a positive buoyancy diving autonomous vehicle
Brodogradnja, 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
Autonomous 3D Exploration of Large Structures Using an UAV Equipped with a 2D LIDAR [PDF]
, 2019 This paper addressed the challenge of exploring large, unknown, and unstructured industrial environments with an unmanned aerial vehicle (UAV). The resulting system combined well-known components and techniques with a new manoeuvre to use a low-cost 2D
Faria, Margarida +4 more
core +1 more source
ENDURUNS: An Integrated and Flexible Approach for Seabed Survey Through Autonomous Mobile Vehicles
Journal 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
Discrete 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