A fault diagnosis method based on attention mechanism with application in Qianlong-2 autonomous underwater vehicle

S Xia, X Zhou, H Shi, S Li, C Xu - Ocean Engineering, 2021 - Elsevier
This study proposed a fault diagnosis method based on deep learning and attention
mechanism for autonomous underwater vehicle (AUV). Firstly, a data attention mechanism is …

Adaptive noise cancelling for an AUV-mounted passive inverted USBL array

Y Wang, R Hu, Y Chen, SH Huang - Ocean Engineering, 2023 - Elsevier
Noise interference of an autonomous underwater vehicle (AUV) is a critical factor affecting
the performance of AUV-mounted sonar payloads, especially for passive acoustic systems …

Oceanic Challenges to Technological Solutions: A Review of Autonomous Underwater Vehicle Path Technologies in Biomimicry, Control, Navigation and Sensing

K Hasan, S Ahmad, AF Liaf, M Karimi, T Ahmed… - IEEE …, 2024 - ieeexplore.ieee.org
Autonomous Underwater Vehicles (AUVs) epitomize a revolutionary stride in underwater
exploration, seamlessly assuming tasks once exclusive to manned vehicles. Their …

Deep‐learning‐based line enhancer for passive sonar systems

D Ju, C Chi, Z Li, Y Li, C Zhang… - IET Radar, Sonar & …, 2022 - Wiley Online Library
Detection of acoustic tonals from surfaces and underwater vehicles is important for passive
sonar systems. Enhancements of the tonals are usually necessary in passive sonar prior to …

[PDF][PDF] Cancellation of towing ship interference in passive sonar in a shallow ocean environment

M Remadevi, N Sureshkumar, R Rajesh… - Defence Science …, 2022 - researchgate.net
Towed array sonars are preferred for detecting stealthy underwater targets that emit faint
acoustic signals in the ocean, especially in shallow waters. However, the towing ship being …

MTSA-Net: a multiscale time self-attention network for ship radiated self-noise reduction

H Chu, C Li, H Wang, J Wang, Y Tai, Y Zhang, L Zhou… - Ocean …, 2024 - Elsevier
For a surface ship carrying a towed array, its in-band radiated self-noise is one of the near-
field strong interference, which will seriously limit the performance of the underwater …

A broadband self-noise cancellation method employing 1d autoencoder in a semi-supervised framework in adverse conditions

P Kumar, K Nathwani, S Gangashetty - IEEE Sensors Letters, 2024 - ieeexplore.ieee.org
This research addresses the intricate challenge of self-noise cancellation (SNC) in towed
array SONAR, particularly when confronting adverse conditions where both the target and …

[HTML][HTML] A novel positioning method for magnetic spiral-type capsule endoscope using an adaptive LMS algorithm

B Ye, G Fang, J Hu, H Wang, Y Fu, S Zhang… - Journal of Magnetism …, 2022 - Elsevier
In this paper, a novel positioning method for the wireless capsule endoscope (WCE) is
proposed. An up-down symmetric array of magnetic sensors is used to detect magnetic …

Exploiting Compress Sensing in Training of Deep Neural Network for Self-Noise Cancellation in Underwater Acoustics

P Kumar, K Nathwani - Journal of Signal Processing Systems, 2024 - Springer
In SONAR systems, the mothership is nearer the towed array than the targets; thus, the
mothership's self-noise masks the weak targets. Therefore, self-noise cancellation (SNC) is …

Array shape estimation based on tug vehicle noise for towed linear array sonar during turning

T Lan, Y Wang, L Qiu, G Liu - Ocean Engineering, 2024 - Elsevier
In almost every practical scenario, the shape of towed linear array (TLA) is always affected
by current, tug vehicle speed, and other factors, resulting in the deviation of sensor positions …