Results 101 to 110 of about 15,162 (218)

Extreme Learning-Based Robust Adaptive Path Tracking Control of Underactuated Unmanned Surface Vessel

水下无人系统学报
An extreme learning-based robust adaptive path tracking control scheme was proposed for underactuated unmanned surface vessels(USVs) with unknown dynamics, parameter uncertainties, and disturbances.
Xinyu HE, Ning WANG, Haojun WU
doaj   +1 more source

Preliminary assessment of industrial needs for an advanced ocean technology [PDF]

A quick-look review of selected ocean industries is presented for the purpose of providing NASA OSTA with an assessment of technology needs and market potential.
Balon, J. E., Coyle, A. G., Henkener, J. A., Maher, K. M., Mourad, A. G.   +4 more
core   +1 more source

Unmanned Surface Vessel–Unmanned Aerial Vehicle Cooperative Path Following Based on a Predictive Line of Sight Guidance Law

Journal of Marine Science and Engineering
This paper explores the cooperative control of unmanned surface vessels (USVs) and unmanned aerial vehicles (UAVs) in maritime rescue and coastal surveillance.
Hugan Zhang, Jiaming Fan, Xianku Zhang, Haitong Xu, C. Guedes Soares   +4 more
doaj   +1 more source

Fixed-Time Formation Control for Multi-Unmanned Surface Vessel Systems with Input Delay

水下无人系统学报
In recent years, fixed-time formation control has become a major research focus in multi-unmanned surface vessel(USV) systems. A critical challenge in achieving fixed-time formation in these systems is handling input delays.
Jianxiang LI, Wenle ZHANG, Ming LI
doaj   +1 more source

Navy Turns to NPS to Develop Sea Hunter's Potential Future Missions [PDF]

, 2017
Today ...
Erlich, Michael, Naval Postgraduate School Public Affairs Office   +1 more
core  

The Operation of Deep Sea Submersibles: Come On Down! (title provided or enhanced by cataloger) [PDF]

In this lesson, students will investigate the technological capabilities that are required for the operation of deep sea submersibles and understand the concept of buoyancy.

core  

Solving Heterogeneous USV Scheduling Problems by Problem-Specific Knowledge Based Meta-Heuristics with Q-Learning

Mathematics
This study focuses on the scheduling problem of heterogeneous unmanned surface vehicles (USVs) with obstacle avoidance pretreatment. The goal is to minimize the overall maximum completion time of USVs.
Zhenfang Ma, Kaizhou Gao, Hui Yu, Naiqi Wu   +3 more
doaj   +1 more source

Unmanned Surface Vessel for Marine Data Acquisition

IOP Conference Series: Earth and Environmental Science, 2018
Vasile Dobref, I Popa, P Popov, I C Scurtu   +3 more
openaire   +1 more source

CatOne, un nuovo robot navigante per rilievi idrogeologici ed ambientali

GEOmedia, 2012
Visitando gli spazi espositivi della manifestazione Euregeo, recentemente tenutasi a Bologna, ci siamo imbattuti in un innovativo catamarano robotizzato specializzato per prospezioni nel settore idrogeologico ed ambientale senza operatori a bordo ...
Redazione GEOmedia
doaj   +2 more sources

Method for Obstacle Avoidance Path Planning of Unmanned Surface Vessel Based on Improved Artificial Potential Field Method

水下无人系统学报
To solve the problem of local path planning for obstacle avoidance of unmanned surface vessels, an artificial potential field framework was proposed, and a local path planning method for obstacle avoidance based on the dynamic construction of the water ...
Yabo ZHANG, Hongrui WANG, Haiyan ZHANG, Qiang XIAO, Yuxin LIU   +4 more
doaj   +1 more source