Results 181 to 190 of about 2,241,156 (224)

Noisy Dueling Double Deep Q-Network algorithm for autonomous underwater vehicle path planning. [PDF]

Front Neurorobot
Liao X, Li L, Huang C, Zhao X, Tan S.
europepmc   +1 more source

Physics-Informed Side-Scan Sonar Perception: Tackling Weak Targets and Sparse Debris via Geometric and Frequency Decoupling. [PDF]

Sensors (Basel)
Yu B, Lin R, Zhou H, Zhang J, Zhang X.
europepmc   +1 more source

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Investigation of the resistance characteristics of a multi-AUV system

Applied Ocean Research, 2019
Abstract The multiple autonomous underwater vehicles (AUV) sailing in a specific configuration can reduce resistance if properly using the hydrodynamic interactions. This paper investigated the resistance characteristics of a multi-AUV system with both experimental and numerical approaches.
Dong Zhang, Guang Pan, Yao Shi
exaly   +2 more sources

Stabilization of multi-AUV formation with digital control

2016 39th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO), 2016
Formation stability problem for a team of autonomous underwater vehicles (AUV) with digital control is investigated. A leader-follower formation control algorithm for multi-AUV system is proposed. Feedback control signal for the follower, which is piecewise constant, is computed on the basis of discrete measurements of the distance and the bearing ...
S. A. Ul'yanov, N. N. Maximkin
openaire   +1 more source

Multi-AUV based cooperative observations

2004 IEEE/OES Autonomous Underwater Vehicles (IEEE Cat. No.04CH37578), 2004
In this paper, we propose a wired multi-AUV system and applications. AUVs are interconnected by a smart cable that contains fiber optics 3D positioning sensors. This cable connection enable to localization and communication of AUVs. Using this cable, we propose a hand-in-hand system (HS) for AUV localization and development to accomplish the given task.
null Son-Cheol Yu, T. Ura, N. Yoshiaki
openaire   +1 more source

Passive Localization for Multi-AUVs by Using Acoustic Signals

Proceedings of the International Conference on Underwater Networks & Systems, 2019
In order to maintain a desired formation of multiple autonomous underwater vehicles (multi-AUVs), one important task is to localize all AUVs. This paper addresses a passive localization method which uses the acoustic signals from the support ship and their own.
Kai Zheng, Yi Jiang 0006, Yongjun Li
openaire   +1 more source

Multi AUVs Cooperative Navigation Based on Cross Entropy

2018 International Conference on Control, Automation and Information Sciences (ICCAIS), 2018
Cooperative navigation can support the wide range navigation and positioning service for Autonomous underwater vehicles (AUVs), improving the positioning accuracy of the AUVs at the same time. In this paper, the Cross Entropy (CE) algorithm is applied to cooperative navigation system, in order to solve the problem of the path planning of the master AUV,
Lichuan Zhang, Xiuye Tao, Feihu Zhang, Yijie Yuan   +3 more
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Multi-AUV coordination in the underwater environment with obstacles

OCEANS'10 IEEE SYDNEY, 2010
A concept of extended formation which is derived by combining the destination and obstacles in the underwater environment as elements into the traditional formation of AUVs is proposed. In extended formation, an improved potential-field-based approach is introduced to coordinate multiple autonomous underwater vehicles (AUVs).
Y. Yang, S. X. Wang, Z. L. Wu
openaire   +1 more source

Multi-AUV Coverage with Functional Constraints and Currents

2020 IEEE/OES Autonomous Underwater Vehicles Symposium (AUV)(50043), 2020
Many underwater survey applications such as bathymetry archaeological, mine-counter-measure surveys, etc., can be efficiently performed using autonomous underwater vehicles (AUVs). In all the mentioned survey applications, a region of interest needs to be covered using some sensors. Low cost AUVs have shown promise to perform these applications quickly
Sandeep Banik, P.B. Sujit, Sivakumar Rathinam   +2 more
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Multi-AUVs for Visual Mapping Tasks

2008
The present paper describes a system for the construction of visual maps (“mosaics”) and motion estimation for a set of AUVs (Autonomous Undersea Vehicle). Robots are equipped with down-looking camera which are used to estimate their motion with respect to the seafloor and to built real-time mosaic. As the mosaic increases in size, a systematic bias is
Silvia S. C. Botelho, R. Costa, Renato Neves, C. Madsen, Vinicius Menezes de Oliveira   +4 more
openaire   +1 more source