Výsledky vyhledávání - "Jongdae Jung"

Akademický článek

Multiple Autonomous Surface Vehicles for Autonomous Cooperative Navigation Tasks in a Marine Environment: Development and Preliminary Field Tests

Autor: Jeonghong Park, Minju Kang, Yeongjun Lee, Jongdae Jung, Hyun-Taek Choi, Jinwoo Choi

Publikováno v: IEEE Access, Vol 11, Pp 36203-36217 (2023)

This paper presents the development and field testing of multiple autonomous surface vehicles (ASVs) for autonomous cooperative navigation tasks in marine environments. The developed ASVs were designed in a catamaran hull form, and various systems re

Externí odkaz: https://doaj.org/article/e0ac0faebb32407483927273a49ca5b0

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Akademický článek

Bathymetric Pose Graph Optimization With Regularized Submap Matching

Autor: Jongdae Jung, Jeonghong Park, Jinwoo Choi, Hyun-Taek Choi

Publikováno v: IEEE Access, Vol 10, Pp 31155-31164 (2022)

The quality of sonar seabed mapping performed using autonomous underwater vehicles depends on the accuracy of the vehicle trajectory estimation. To reduce the accumulated pose estimation errors from dead reckoning, bathymetry observations from sonar

Externí odkaz: https://doaj.org/article/b6d4739b44934e908f46e2ca83947ce9

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Akademický článek

Navigation of Unmanned Surface Vehicles Using Underwater Geophysical Sensing

Autor: Jongdae Jung, Jeonghong Park, Jinwoo Choi, Hyun-Taek Choi

Publikováno v: IEEE Access, Vol 8, Pp 208707-208717 (2020)

Underwater geophysical properties can provide useful information for surface navigation, particularly in situations where a global navigation satellite system is unavailable. Unmanned surface vehicles (USVs) equipped with geophysical sensors can meas

Externí odkaz: https://doaj.org/article/77a9abba28054fdab16e3b11e52b84a2

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Akademický článek

Multi-Modal Sonar Mapping of Offshore Cable Lines with an Autonomous Surface Vehicle

Autor: Jongdae Jung, Yeongjun Lee, Jeonghong Park, Tae-Kyeong Yeu

Publikováno v: Journal of Marine Science and Engineering, Vol 10, Iss 3, p 361 (2022)

Monitoring offshore infrastructure is a challenging task owing to the harsh ocean environment. To reduce human involvement in this task, this study proposes an autonomous surface vehicle (ASV)-based structural monitoring system for inspecting power c

Externí odkaz: https://doaj.org/article/4af12f439b954b39bc30203e450fd993

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Akademický článek

Autonomous Mapping of Underwater Magnetic Fields Using a Surface Vehicle

Autor: Jongdae Jung, Jeonghong Park, Jinwoo Choi, Hyun-Taek Choi

Publikováno v: IEEE Access, Vol 6, Pp 62552-62563 (2018)

Geomagnetic field signals have potential for use in underwater navigation and geophysical surveys. To map underwater geomagnetic fields, we propose a method that exploits an autonomous surface vehicle. In our system, a magnetometer is rigidly attache

Externí odkaz: https://doaj.org/article/9ebfa99d1438421181cb880ac88d7b30

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Akademický článek

Robust Directional Angle Estimation of Underwater Acoustic Sources Using a Marine Vehicle

Autor: Jinwoo Choi, Jeonghong Park, Yoongeon Lee, Jongdae Jung, Hyun-Taek Choi

Publikováno v: Sensors, Vol 18, Iss 9, p 3062 (2018)

Acoustic source localization is used in many underwater applications. Acquiring an accurate directional angle for an acoustic source is crucial for source localization. To achieve this purpose, this paper presents a method for directional angle estim

Externí odkaz: https://doaj.org/article/12bc82f012d2410b9fd2559adc67b00a

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