1–18 von 18 Ergebnissen
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    Implementation of the submarine diving simulation in a distributed environment

    Freier Zugriff
    Sol Ha / Ju-Hwan Cha / Myung-Il Roh et al. | DOAJ | 2012
    To implement a combined discrete event and discrete time simulation such as submarine diving simulation in a distributed environment, e.g ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Determination of an economical shipping route considering the effects of sea state for lower fuel consumption

    Freier Zugriff
    Myung-Il Roh | DOAJ | 2013
    consumption based on the previous two items. To evaluate the applicability of the proposed method, it was applied to routing problems in various ocean ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Optimal dimension design of a hatch cover for lightening a bulk carrier

    Freier Zugriff
    Tae-Sub Um / Myung-Il Roh | DOAJ | 2015
    for lightening the ship weight based on the optimization technique was proposed in this study. For this, we selected a hatch cover of a bulk ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Event-based scenario manager for multibody dynamics simulation of heavy load lifting operations in shipyards

    Freier Zugriff
    Sol Ha / Namkug Ku / Myung-Il Roh | DOAJ | 2016
    multibody dynamics. To configure various situation in shipyards and easily connect with multibody dynamics, the proposed method has two main ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Performance analyses of naval ships based on engineering level of simulation at the initial design stage

    Freier Zugriff
    Dong-Hoon Jeong / Myung-Il Roh / Seung-Ho Ham et al. | DOAJ | 2017
    can perform the engineering level of simulations, considering the mathematical models for naval ships, such as maneuvering equations and ...
    Schlagwörter: Modeling and simulation , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    A collaborative simulation in shipbuilding and the offshore installation based on the integration of the dynamic analysis, virtual reality, and control devices

    Freier Zugriff
    Xing Li / Myung-Il Roh / Seung-Ho Ham | DOAJ | 2019
    comprises the control devices and the scenario generator to handle the crane in the virtual environment. Lastly, the fourth component is the HLA ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Passenger evacuation simulation considering the heeling angle change during sinking

    Freier Zugriff
    Hyuncheol Kim / Myung-Il Roh / Soonhung Han | DOAJ | 2019
    reflect crowd behavior, the human density and the congestion algorithm were developed in this research and the walking speed experiment in the ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Estimation of ship operational efficiency from AIS data using big data technology

    Freier Zugriff
    Seong-Hoon Kim / Myung-Il Roh / Min-Jae Oh et al. | DOAJ | 2020
    , such as routing, hull cleaning, decommissioning, new building, etc. The key parameter in calculating EEOI is Fuel Oil Consumption (FOC). It can ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Prediction of ship power based on variation in deep feed-forward neural network

    Freier Zugriff
    June-Beom Lee / Myung-Il Roh / Ki-Su Kim | DOAJ | 2021
    requires considerable resources and time. Therefore, in this study, a deep feed-forward neural network (DFN) is used to predict ship power using ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Prediction of the superiority of the hydrodynamic performance of hull forms using deep learning

    Freier Zugriff
    Jin-Hyeok Kim / Myung-Il Roh / Ki-Su Kim et al. | DOAJ | 2022
    the design process, quantitative and qualitative indicators are often used to determine the superiority of two hull forms. However, in the ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Optimal arrangement design of pipeline support by considering safety and production cost

    Freier Zugriff
    In-Chang Yeo / Myung-Il Roh / Do-Hyun Chun et al. | DOAJ | 2023
    support on each node and whether to change the loop length as a design variable. In general, efficiently installing pipeline supports will improve ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Method for pipe routing using the expert system and the heuristic pathfinding algorithm in shipbuilding

    Freier Zugriff
    Jisang Ha / Myung-Il Roh / Ki-Su Kim et al. | DOAJ | 2023
    review several alternatives for pipe routing in a short time and derive an optimal alternative, an optimization technique was combined with an ...
    Schlagwörter: Optimization technique , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Hull form optimization of fully parameterized small ships using characteristic curves and deep neural networks

    Freier Zugriff
    Jin-Hyeok Kim / Myung-Il Roh / In-Chang Yeo | DOAJ | 2024
    satisfy the requirements, and determining the most efficient hull form. Numerical analyses using Computational Fluid Dynamics (CFD) were employed ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Interpretable, data-driven models for predicting shaft power, fuel consumption, and speed considering the effects of hull fouling and weather conditions

    Freier Zugriff
    Hyun Soo Kim / Myung-Il Roh | DOAJ | 2024
    In response to the global call for action to reduce CO2 emissions, operational measures such as speed, route optimization, and hull ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    A method for implementing a ship navigation simulator for the generation and utilization of virtual data

    Freier Zugriff
    Min-Chul Kong / Myung-Il Roh | DOAJ | 2024
    , which is challenging to acquire due to the time and space constraints inherent in ships. Additionally, the diverse formats of sensor data and ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Method for anti-collision path planning using velocity obstacle and A* algorithms for maritime autonomous surface ship

    Freier Zugriff
    Donghun Yu / Myung-Il Roh | DOAJ | 2024
    efficiency of anti-collision technology should be enhanced. In this paper, we propose a novel hybrid anti-collision path planning method called VO ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Multi-vessel target tracking with camera fusion for unmanned surface vehicles

    Freier Zugriff
    Jeong-Ho Park / Myung-Il Roh / Hye-Won Lee et al. | DOAJ | 2024
    for maritime obstacle detection, and a deep-learning-based detection model was trained on them. The detection results were then employed in an ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Method for collision avoidance based on deep reinforcement learning with path-speed control for an autonomous ship

    Freier Zugriff
    Do-Hyun Chun / Myung-Il Roh / Hye-Won Lee et al. | DOAJ | 2024
    In this paper, we propose a collision avoidance method based on deep reinforcement learning (DRL) that simultaneously controls the path and ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering