Results 21 to 30 of about 959 (183)

A Novel Single-Beacon Navigation Method for Group AUVs Based on SIMO Model

IEEE Access, 2018
Single-beacon navigation for group autonomous underwater vehicles (AUVs) suffers from long navigation period and asynchronization. This paper addresses the problem by introducing the single-input-multiple-output (SIMO) model, where, a single AUV ...
Sibo Sun, Shuangning Yu, Zhibo Shi, Jin Fu, Chunhui Zhao   +4 more
doaj   +1 more source

Robust Formation Control for Multiple Underwater Vehicles

Frontiers in Robotics and AI, 2019
This paper addresses the distance-based formation control problem for multiple Autonomous Underwater Vehicles (AUVs) in a leader-follower architecture. The leading AUV is assigned a task to track a desired trajectory and the following AUVs try to set up ...
Charalampos P. Bechlioulis, Fotis Giagkas, George C. Karras, George C. Karras, Kostas J. Kyriakopoulos   +4 more
doaj   +1 more source

Hunting Algorithm for Multi-AUV Based on Dynamic Prediction of Target Trajectory in 3D Underwater Environment

IEEE Access, 2020
In the research of multi-robot systems, multi-AUV (multiple autonomous underwater vehicles) cooperative target hunting is a hot issue. In order to improve the target hunting efficiency of multi-AUV, a multi-AUV hunting algorithm based on dynamic ...
Xiang Cao, Xinyuan Xu
doaj   +1 more source

Coordination of Multiple Biomimetic Autonomous Underwater Vehicles Using Strategies Based on the Schooling Behaviour of Fish

Robotics, 2016
Biomimetic Autonomous Underwater Vehicles (BAUVs) are Autonomous Underwater Vehicles (AUVs) that employ similar propulsion and steering principles as real fish.
Jonathan McColgan, Euan W. McGookin
doaj   +1 more source

Motion parameter estimation of AUV based on underwater acoustic Doppler frequency measured by single hydrophone

Frontiers in Marine Science, 2022
This paper describes the use of a single hydrophone to estimate the motion parameters of an autonomous underwater vehicle (AUV) from the underwater acoustic signal excited by its propulsion motor.
Shaowei Rong, Yifeng Xu
doaj   +1 more source

Optimal Sensor Formation for 3D Cooperative Localization of AUVs Using Time Difference of Arrival (TDOA) Method

Sensors, 2018
The cooperative localization of submerged autonomous underwater vehicles (AUVs) using the Time Difference of Arrival (TDOA) measurements of surface AUV sensors is an effective method for many applications of AUVs.
Xu Bo, Asghar A. Razzaqi, Xiaoyu Wang
doaj   +1 more source

Multibody System-Based Adaptive Formation Scheme for Multiple Under-Actuated AUVs

Sensors, 2020
Underwater vehicles’ coordination and formation have attracted increasing attention since they have great potential for real-world applications. However, such vehicles are usually under-actuated and with very limited communication capabilities.
Hai Huang, Qirong Tang, Guocheng Zhang, Tiedong Zhang, Lei Wan, Yongjie Pang   +5 more
doaj   +1 more source

Finite-Time Extended State Observe Based Fault Tolerant Control for Autonomous Underwater Vehicle with Unknown Thruster Fault

Journal of Marine Science and Engineering, 2022
This paper investigates the problem of fault tolerant control (FTC) for autonomous underwater vehicles (AUVs) with multiple thrusters in the presence of current disturbances, thruster faults, and modelling uncertainty.
Xiaofeng Liu, Mingjun Zhang, Xing Liu, Wende Zhao   +3 more
doaj   +1 more source

UTact: Underwater Vision‐Based Tactile Sensor with Geometry Reconstruction and Contact Force Estimation

Advanced Robotics Research, EarlyView.
Embedded flexible sensing technologies advance underwater soft robotics, yet most systems still suffer from hysteresis and limited perceptiveness. Instead, vision‐based tactile sensors provide reliable and rapid feedback essential for complex underwater tasks.
Qiyi Zhang, Zonghao Zuo, Haoxuan Wang, Bin Liu, Yilidusi Yilihamu, Li Wen   +5 more
wiley   +1 more source

Hierarchical Adaptive Fixed-Time Formation Control for Multiple Underactuated Autonomous Underwater Vehicles Under Uncertain Disturbances and Input Saturation

Journal of Marine Science and Engineering
Recent advances in multiple autonomous underwater vehicles (AUVs) have highlighted formation control as a critical challenge for underwater collaborative operations.
Jiacheng Chang, Lanyong Zhang, Yifan Tan, Xue Fu, Hongjun Yu   +4 more
doaj   +1 more source