Design of Lightweight Manipulator for a Quadruped Walking Robot to Monitor the Status of Ship Equipments

Hyun Min Song, Se Hyeon Jeong, Duck Hyun Heo, Kyung Won Bae, Sun Je Kim

In order to inspect the main equipment of ships, condition inspection methods using quadruped walking robots that can overcome various obstacles is being active...

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DOI: https://doi.org/10.3744/SNAK.2024.61.6.411

Pressure Distribution Prediction for Submarine Using Unet-Based AI Model

Jeongbeom Seo, Inwon Lee

In this study, a preprocessing method for submarine hull form and hydrodynamic pressure distribution were developed to enable an AI model to predict pressure di...

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DOI: https://doi.org/10.3744/SNAK.2024.61.6.420

Design of Ship Network Topology Considering IACS UR E26

Gumjun Son, Sanghun Choi, Namseon Kang, Sungrok Kim

With the advent of smart ships, cyber security threats to ship control system are increasing. In order to strengthen ship cyber security, the IACS issued UR E26...

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DOI: https://doi.org/10.3744/SNAK.2024.61.6.427

Numerical Study on the Improvement of the Tip Cavitation Performance of a Twisted Rudder Using CFD

Il-Ryong Park, Je-In Kim, Bu-Geun Paik, Jong-Woo Ahn

This paper presents the geometry modifications in rudder tip and the results of numerical simulations to improve the low speed cavitation inception performance ...

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DOI: https://doi.org/10.3744/SNAK.2024.61.6.437

Motion Filter of the Submarine Simulator: Part 1. Basic Theory and General Applications

Gyeong Joong Lee, Dong Jin Yeo, Yeon Gyu Kim, Dong Jin Kim, Chang Seop Kwon, Kunhang Yun

Most of vehicle simulators, such as airplanes, cars, and ships have motion bases that provide the motion feeling of vehicle motions to the trainee or user. Howe...

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DOI: https://doi.org/10.3744/SNAK.2024.61.6.446

Motion Filter of the Submarine Simulator: Part 2. Application to a BB2 Submarine

Gyeong Joong Lee, Dong Jin Kim, Chang Seop Kwon, Dong Jin Yeo, Yeon Gyu Kim, Kunhang Yun

Most of the vehicle simulators, such as airplane, car, ship, have motion bases that provide the motion feelings of vehicles to the trainee or user. However, the...

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DOI: https://doi.org/10.3744/SNAK.2024.61.6.460

Development of a Generalized Extended State Observer-Based Nonlinear Control Algorithm for Overactuated Autonomous Underwater Vehicle

Seongjun Yoo, Soobin Ji, Hyuntae Bang, Dongmin Choi, Wonkeun Youn

Non-singular Fast Terminal Sliding Mode Control (NFTSMC) is a controller that complements the characteristic of sliding mode controller, one of the representati...

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DOI: https://doi.org/10.3744/SNAK.2024.61.6.470

Study on Hydrodynamic Characteristics of Submarine Model Platforms

Young-Jin Kim, Ji-Woo Hong, Byoung-Kwon Ahn

Recent advancements in unmanned submersibles, such as ROV and UUV, have revolutionized traditional submarine design by strategically relocating the sail to a fo...

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DOI: https://doi.org/10.3744/SNAK.2024.61.6.482

A Study on the Insulation Performance Analysis of Liquid Hydrogen Storage Tank with 66-layer Multi-layer Insulation

Seung-Joo Cha, Byeong-Kwan Hwang, Hee-Tae Kim, Gyung-Hun Lee, Jong-Pil Lee, Jeong-Hyeon Kim, Jae-Myung Lee

The purpose of this study is to evaluate a vacuum composite insulation system for liquefied hydrogen tank application by building a structural unit insulation p...

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DOI: https://doi.org/10.3744/SNAK.2024.61.6.490

Development of Equipment for Generating and Measuring Vibration Data for Electric Motor

Jun-gyo Jang, Ye-na Lee, Jae-chul Lee, Dong-hoon Kang, Dong-geon Kim, Soonsup Lee

As the Marine Environment Protection Committee (MEPC) of the International Maritime Organization (IMO) continues to strengthen regulations regarding ship fuel e...

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DOI: https://doi.org/10.3744/SNAK.2024.61.6.498