Results 1 to 10 of about 35,558 (273)
Insurance for autonomous underwater vehicles [PDF]
Underwater Technology, 2007 The background and practice of insurance for autonomous underwater vehicles (AUVs) are examined. Key topics include: relationships between clients, brokers and underwriters; contract wording to provide appropriate coverage; and actions to take when an ...
Blidberg, D.R. +3 more
core +5 more sources
Targeted Sampling by Autonomous Underwater Vehicles [PDF]
Frontiers in Marine Science, 2019 In the vast ocean, many ecologically important phenomena are temporally episodic, localized in space, and move according to local currents. To effectively study these complex and evolving phenomena, methods that enable autonomous platforms to detect and ...
Yanwu Zhang +11 more
doaj +3 more sources
Model-based optimal action selection for Dyna-Q reverberation suppression cognitive sonar
EURASIP Journal on Advances in Signal Processing, 2023 The Doppler shift of low-speed targets is frequently disturbed by the reverberation Doppler spread clutter under the shallow sea. The clutter is generated by underwater scatterers, which increases the difficulty of Doppler estimation.
Yubin Fu +4 more
doaj +1 more source
Performance analysis on the speed spectrum estimation based on dual-HFM waveform
EURASIP Journal on Advances in Signal Processing, 2022 Real-time Doppler estimation of sonar signals is of great significance to underwater communication and detection. The Hyperbolic-Frequency-Modulated (HFM) waveform-based speed spectrum estimation is one of the modern methods for underwater Doppler ...
Runyu Wei +3 more
doaj +1 more source
Journal of Marine Science and Engineering, 2023 Autonomous underwater vehicles have long been used in marine explorations, and their application in recent polar expeditions is particularly noteworthy.
Hyonjeong Noh +2 more
doaj +1 more source
Review of low‐loss wireless power transfer methods for autonomous underwater vehicles
IET Power Electronics, 2022 Comprehensive research on the wireless power transfer technology of autonomous underwater vehicles is necessary to address the issue of significant energy loss in such vehicles during wireless power transfer.
Ben Zhang +4 more
doaj +1 more source
Magnetic Gradient Tensor Positioning Method Implemented on an Autonomous Underwater Vehicle Platform
Journal of Marine Science and Engineering, 2023 Underwater magnetic surveying serves as the fundamental prerequisite for detecting sensitive underwater targets and magnetically susceptible submerged objects.
Fanzong Zeng +5 more
doaj +1 more source
Inspection and maintenance of industrial infrastructure with autonomous underwater robots
Frontiers in Robotics and AI, 2023 Underwater infrastructure, such as pipelines, requires regular inspection and maintenance including cleaning, welding of defects and valve-turning or hot-stabbing.
Franka Nauert +2 more
doaj +1 more source
IET Control Theory & Applications, 2021 Autonomous underwater vehicles require a motion control system for performing underwater tasks such as exploring and developing marine resources. This study proposes a fractional‐order proportional‐integral (PIλ) controller for autonomous underwater ...
L. Liu, L. Zhang, S. Zhang
doaj +1 more source
Autonomous Underwater Vehicles and Field of View in Underwater Operations
Journal of Marine Science and Engineering, 2021 Submarine inspections and surveys require underwater vehicles to operate in deep waters efficiently, safely and reliably. Autonomous Underwater Vehicles employing advanced navigation and control systems present several advantages.
Isaac Segovia Ramírez +3 more
doaj +1 more source