Articles with "unmanned surface" as a keyword



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Finite‐time extended state observer‐based exact tracking control of an unmanned surface vehicle

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Published in 2020 at "International Journal of Robust and Nonlinear Control"

DOI: 10.1002/rnc.5369

Abstract: In the presence of complex unknowns consisting of system dynamics and environmental disturbances, it is rather meaningful to exactly track an unmanned surface vehicle (USV) to the desired trajectory in practical scenarios including routing inspection,… read more here.

Keywords: finite time; unmanned surface; time extended; surface vehicle ... See more keywords
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Robust neural network‐based tracking control for unmanned surface vessels under deferred asymmetric constraints

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Published in 2021 at "International Journal of Robust and Nonlinear Control"

DOI: 10.1002/rnc.5520

Abstract: In this article, the constraints on unmanned surface vessels are imposed after a certain time after the system operation. Based on the shift function, this article proposes an asymmetric barrier Lyapunov function and achieves the… read more here.

Keywords: unmanned surface; deferred asymmetric; neural network; surface vessels ... See more keywords
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Continuous Positioning with Recurrent Auto-Regressive Neural Network for Unmanned Surface Vehicles in GPS Outages

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Published in 2022 at "Neural Processing Letters"

DOI: 10.1007/s11063-021-10688-3

Abstract: As the vital operation information of unmanned surface vehicles, the positioning data are usually measured with GPS/INS (Global Position System/Inertial Navigation System) which faces measurement loss and calculation failure during GPS outages in a complex… read more here.

Keywords: neural network; unmanned surface; continuous positioning; gps outages ... See more keywords
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Fast marching square method based intelligent navigation of the unmanned surface vehicle swarm in restricted waters

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Published in 2020 at "Applied Ocean Research"

DOI: 10.1016/j.apor.2019.102018

Abstract: Abstract Considering the limitations of a single unmanned surface vehicle (USV) in operations, such as a small mission area, lacking system autonomy and insufficient fault-tolerant resilience, there is an increasing interest in developing multiple USVs… read more here.

Keywords: method; surface vehicle; unmanned surface; swarm restricted ... See more keywords
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Experimental validation of a velocity obstacle based collision avoidance algorithm for unmanned surface vehicles

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Published in 2019 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2019.12.328

Abstract: Abstract This paper presents experimental validation results of autonomous collision avoidance algorithms using an unmanned surface vehicle (USV). For autonomous collision avoidance while following given waypoints, the existing line-of-sight (LOS) guidance and velocity obstacle (VO)… read more here.

Keywords: collision; unmanned surface; experimental validation; collision avoidance ... See more keywords
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Monitoring trajectory optimization for unmanned surface vessel in sailboat race

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Published in 2019 at "Optik"

DOI: 10.1016/j.ijleo.2018.09.104

Abstract: Abstract This paper aims to optimize the monitoring trajectory of unmanned surface vessel (USV) attached with optical camera in applications such as sailboat race. It can be taken as the waypoints optimization problem with the… read more here.

Keywords: monitoring trajectory; surface vessel; sailboat race; unmanned surface ... See more keywords
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Trajectory exponential tracking control of unmanned surface ships with external disturbance and system uncertainties.

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Published in 2018 at "ISA transactions"

DOI: 10.1016/j.isatra.2017.12.020

Abstract: Any unmanned surface ship is subject to system uncertainty, unknown parameters, and external disturbance induced by the wind, the wave loads, and the ocean currents. They may deteriorate ship's control accuracy. This paper aims to… read more here.

Keywords: system; external disturbance; control; unmanned surface ... See more keywords
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Neuro-adaptive containment control of unmanned surface vehicles with disturbance observer and collision-free.

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Published in 2022 at "ISA transactions"

DOI: 10.1016/j.isatra.2022.01.004

Abstract: The adaptive containment control problem with collision avoidance is investigated for unmanned surface vehicles (USVs). At first, the finite time disturbance observer is developed to present the estimation and compensation of external disturbance. Then, incorporating… read more here.

Keywords: unmanned surface; adaptive containment; containment; containment control ... See more keywords
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The fast marching method based intelligent navigation of an unmanned surface vehicle

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Published in 2017 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2017.07.021

Abstract: Unmanned surface vehicles (USVs) have obtained increasing interests in recent decades. Because of the features of improved mission efficiency and decreased resource costs, applications of USVs can been seen in both civilian and naval areas.… read more here.

Keywords: system; fast marching; navigation; unmanned surface ... See more keywords
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Track-keeping observer-based robust adaptive control of an unmanned surface vessel by applying a 4-DOF maneuvering model

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Published in 2019 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2019.04.051

Abstract: Abstract The present study addresses the speed and steering controller design for the maneuvering motions of an unmanned surface vessel (USV). Based on a 4-DOF nonlinear mathematical model for the maneuvering motions of the proposed… read more here.

Keywords: surface vessel; unmanned surface; model; controller ... See more keywords
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Adaptive trajectory tracking algorithm of unmanned surface vessel based on anti-windup compensator with full-state constraints

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Published in 2020 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2019.106906

Abstract: Abstract In this paper, a trajectory tracking control strategy based on anti-windup compensator is proposed for unmanned surface vessels subject to input saturation and full-state constraints. The saturation problem is handled by the anti-windup compensator,… read more here.

Keywords: windup compensator; based anti; unmanned surface; anti windup ... See more keywords