Results 21 to 30 of about 191,014 (311)

Adaptive on-Line Approximator-Based Finite-Time Trajectory Tracking Control for the Surface Vessel

open access: yesIEEE Access, 2022
An adaptive on-line approximator-based finite-time trajectory tracking scheme is proposed to solve the problem of trajectory tracking of underactuated surface vessel affected by dynamic uncertainties and external disturbances.
Yan Zhang   +4 more
doaj   +1 more source

Ships and Shipping [PDF]

open access: yesNature, 1905
A VERY excellent little volume and a most handy addition to any shipping office. The naval information makes it also a very useful book to naval officers. One slight improvement would be useful—port-to-port distances round the coast of Great Britain and Europe; for example, London to Plymouth. Ships and Shipping. By Commander R. Dowling. With a preface
openaire   +1 more source

Research on the methods for calculating the width of the approach channel to the port

open access: yesTransport, 2019
An approach channel to the port is a very important part of port infrastructure ensuring navigational safety of the ships entering and departing the port.
Vytautas Paulauskas   +6 more
doaj   +1 more source

Rolling Bearing Fault Diagnosis Under Different Severity Based on Statistics Detection Index and Canonical Discriminant Analysis

open access: yesIEEE Access, 2023
Bearing failures are the most frequent causes of breakdowns in rotating machinery. Different levels of severity in these failures exhibit distinct fault characteristics in the vibration signal.
Xuewei Song   +4 more
doaj   +1 more source

Shipping markets and freight rates: an analysis of the Baltic Dry Index [PDF]

open access: yes, 2012
Shipping, although a crucial component of the transportation of commodities worldwide, is hardly present in the finance literature at this point. The first and foremost goal of this paper is to describe and explain from an economic perspective the key ...
Smith, William O.   +3 more
core   +1 more source

Comparative perspectives on the development of canadian arctic shipping : impacts of climate change and globalization

open access: yes, 2023
Climate change does impact sea ice, with a significant reduction of its extent and thickness. Climate change thus facilitates navigation, without making it easier, and indeed has contributed to the expansion of traffic in the Canadian Arctic, with a ...
Lasserre, Frédéric
core   +1 more source

LFLD-CLbased NET: A Curriculum-Learning-Based Deep Learning Network with Leap-Forward-Learning-Decay for Ship Detection

open access: yesJournal of Marine Science and Engineering, 2023
Ship detection in the maritime domain awareness field has seen a significant shift towards deep-learning-based techniques as the mainstream approach. However, most existing deep-learning-based ship detection models adopt a random sampling strategy for ...
Jiawen Li   +5 more
doaj   +1 more source

Climate change and international shipping : the regulatory framework for the reduction of greenhouse gas emissions / [PDF]

open access: yes, 2016
In Climate Change and International Shipping: The Regulatory Framework for the Reduction of Greenhouse Gas Emissions, Yubing Shi provides ground-breaking analyses of the evolving regulatory framework for the reduction of greenhouse gas emissions from ...
Shi, Yubing, Shi, Yubing.
core   +1 more source

Port connectivity indices: an application to European RoRo shipping [PDF]

open access: yes, 2022
In recent years, there has been significant interest in the development of connectivity indicators for ports. For short sea shipping, especially in Europe, Roll-on Roll-off (RoRo) shipping is almost equally important as container shipping.
Maximiliano Udenio   +3 more
core   +1 more source

Lightweight Visual Enhancement for Reliable Vision Systems in Adverse Port Weather

open access: yesIEEE Access
Vision-based perception systems are central to monitoring, inspection, and safety assurance in smart ports. However, adverse weather, particularly rain and fog, degrades image quality, suppresses structural details, and impairs downstream visual ...
Baigan Zhao   +7 more
doaj   +1 more source

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