Results 1 to 10 of about 1,001 (165)

Multi-under-Actuated Unmanned Surface Vessel Coordinated Path Tracking [PDF]

open access: yesSensors, 2020
Multi-under-actuated unmanned surface vehicles (USV) path tracking control is studied and decoupled by virtue of decentralized control. First, an improved integral line-of-sight guidance strategy is put forward and combined with feedback control to ...
Zefang Li, Zhong Liu, Jianqiang Zhang
doaj   +2 more sources

Fin Whale (<i>Balaenoptera physalus</i>) Diel Dive Patterns in a Shallow Fragmented Foraging Habitat. [PDF]

open access: yesEcol Evol
Using 27 high‐resolution biologging tags deployed on fin whales in a shallow inner‐shelf habitat along the US east coast, this study found that the whales spent more than 67% of their time within the draft depths of large commercial vessels. Feeding occurred primarily during the day, while whales remained very shallow at night during resting and ...
Adcock DL, Nowacek DP, Parks SE.
europepmc   +2 more sources

Test water areas for testing technical means of unmanned water transport. The main directions of patenting the results of research and development [PDF]

open access: yesE3S Web of Conferences, 2021
The test water area is designed for testing, monitoring and navigation of unmanned surface vessel, both in offline mode and in remote control mode. The paper presents the results of the analysis of the thematic search for security documents (applications,
Karetnikov Vladimir   +2 more
doaj   +1 more source

Path-Following Control for Unmanned Surface Vessel Using 1st System of Identified Unmanned Surface Vessel Dynamic Model and Path-Planning of Towed Unmanned Underwater Vehicles [PDF]

open access: yes한국정밀공학회지, 2022
This paper proposes a simplified path-following control method for an Unmanned Surface Vessel (USV) considering towed Unmanned Underwater Vehicles (UUV).
Pyung Mo Ku, Jae Kwan Ryu, Won Hee Lee
doaj   +1 more source

Collective Dynamics and Control for Multiple Unmanned Surface Vessels [PDF]

open access: yesIEEE Transactions on Control Systems Technology, 2020
A multi-unmanned surface vessel (USV) formation control system is established on a novel platform composed of three 1.2 meter-long hydraulic jet propulsion surface vessels, a differential GPS reference station, and inter-vessel Zigbee communication modules.
Bin Liu   +6 more
openaire   +3 more sources

Development of a Hybrid Solar and Wind-Powered Long-Range Unmanned Ocean Stereo Exploration Vessel

open access: yesShanghai Jiaotong Daxue xuebao, 2021
Aimed at the problems of unmanned marine exploration vessels, such as the short voyage time and the limited sensing ability caused by sensor failure under complex marine environments, a long-range unmanned ocean-air stereo exploration vessel driven by ...
YAO Tiancheng   +6 more
doaj   +1 more source

Experimental validation of propulsion fault detection system using moving horizon estimation in quad-maran unmanned vessel

open access: yesSICE Journal of Control, Measurement, and System Integration, 2021
A quad-maran unmanned vessel is a new type of unmanned surface vessel for the automatic collection of various environmental data in aquaculture fields. We propose a fault detection and control scheme for a possible thrust decrease failure of quad-maran ...
Kota Mukai, Naoyuki Hara, Keiji Konishi
doaj   +1 more source

Autonomous Trajectory Tracking Integrated Control of Unmanned Surface Vessel

open access: yesJournal of Marine Science and Engineering, 2023
Trajectory tracking control of unmanned surface vessels (USVs) has become a popular topic. Regarding the problem of ship collision avoidance encountered in trajectory tracking, more attention needs to be paid to the algorithm application, namely the ...
Yu Peng, Yun Li
doaj   +1 more source

Automatic berthing of unmanned surface vessels with predetermined performance

open access: yesScientific Reports, 2023
Abstract To solve the problem of ship automatic berthing control due to unknown time-varying disturbance and dynamic uncertainty of model parameters, an automatic berthing control law based on predefined performance time function is proposed. First, a predefined performance time function is designed and coupled with tracking error to achieve ...
Qiwen Wang   +4 more
openaire   +3 more sources

Multichannel adaptive deployment and reliable communication design for unmanned surface vessel

open access: yesInternational Journal of Advanced Robotic Systems, 2020
For the unmanned surface vessel in performing military missions, the safety and controllability are two basic requirements, which need reachable communication channel and reliable data transmission.
Qiyu Yin, Yuezu Lv
doaj   +1 more source

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