Results 31 to 40 of about 26,854 (164)

Twin-Rudder-System Configurations’ Impact on Ferry Ships’ Course-Keeping Ability under Windy Conditions

open access: yesInternational Journal of Technology, 2021
Ship course-keeping plays a vital role in navigation safety, especially when a ship is operating under windy conditions. A method to control ship movements through rudder-system configuration is necessary to stabilize a ship’s course.
Andi Haris Muhammad   +3 more
doaj   +1 more source

A Study on a Direction of Viewpoints for Ships

open access: yesINFRASTRUCTURE PLANNING REVIEW, 1993
The aim of this study is to find out standards of direction for admire ships, which make the common people feel “port”. In this study, we have two methods. The one is, examples of viewpoints for ships and 1, 016 pieces of port photographs taken by the common people are analyzed in order to grasp the raugh standards.
openaire   +2 more sources

Wave Direction Classification for Advancing Ships Using Artificial Neural Networks Based on Motion Response Spectra

open access: yesJournal of Marine Science and Engineering
This study proposes a novel artificial neural network-based methodology for classifying the incident wave direction during ship navigation using the heave–roll–pitch motion response spectra as input. The proposed model demonstrated a balanced performance
Taehyun Yoon   +3 more
doaj   +1 more source

Computational Simulation of Motion of a Rescue Module During its Launching from Ship at Rough Sea

open access: yesPolish Maritime Research, 2014
This paper is a continuation of the work titled: “A computational model for simulation of motion of rescue module during its launching from stern ramp of a ship at rough sea”.
Dymarski Czesław, Dymarsk Paweł
doaj   +1 more source

A data-driven framework for attainable ship speed uncertainty under stochastic weather conditions

open access: yesBrodogradnja
This paper presents a data-driven framework for quantifying attainable ship speed uncertainty considering weather forecast uncertainty. The methodology integrates two parallel workflows: weather forecast processing and ship performance simulation ...
Marijana Marjanović   +3 more
doaj   +1 more source

A Fuzzy Logic Energy Management Strategy for a Photovoltaic/Diesel/Battery Hybrid Ship Based on Experimental Database

open access: yesEnergies, 2018
Energy management strategy is a key technology of hybrid power ships. In recent years, renewable energy ship technologies have become a popular research field and one promising development direction to realize reasonable utilization of energy resource ...
Yupeng Yuan   +4 more
doaj   +1 more source

A Practical Estimation Method of Inland Ship Speed Under Complex and Changeful Navigation Environment

open access: yesIEEE Access, 2021
The complexity and changefulness of inland navigation environment in space and time makes it hard to guarantee the applicability and accuracy of existing ship speed models.
Zhi Yuan   +5 more
doaj   +1 more source

The method for automatic control of a ship with directional instability

open access: yesJournal of Physics: Conference Series, 2021
Abstract A method for creating an automatic control system for a ship with directional instability has been developed. As part of the tests of a small-sized unmanned vessel, a control diagram was built. It showed that the vessel is unstable along its route.
AI Kondratyev   +3 more
openaire   +1 more source

An Intelligent Collision Avoidance Strategy for Inland Waterways

open access: yesIEEE Access
With the flourishing development of inland waterway transportation, the restricted environmental characteristics and dense ship traffic significantly increase the difficulty of ship collision avoidance maneuvers.
Yu Peng
doaj   +1 more source

Magnetic design and testing of demagnetization facility with ring-shaped coil

open access: yesZhongguo Jianchuan Yanjiu, 2018
[Objectives] In order to achieve the fast and high quality demagnetization of ships,a new demagnetization technique adopting a ring-shaped working coil is proposed.
GUO Chengbao, ZHOU Weichang
doaj   +1 more source

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