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Abstract As autonomous technology for ships is getting improved, route planning (also called route finding) has also become important. For route planning of large commercial ships (e.g., container ship, crude oil carrier, etc.), FOC (Fuel Oil Consumption), weather conditions, seakeeping, etc. are major considerations. In contrast, for route planning of small ships (e.g., yachts and ferries), the characteristics of coastal areas and user preferences should be considered. In addition, the calculation time for generating routes, avoidance of small obstacles (e.g., fishery, buoy), operation regulations in coastal areas are primary considerations. Therefore, we proposed a route planning method for small ships by reflecting the aforementioned considerations. For route planning, firstly, the quadtree structure was used for handling geometrical data and lightning geographical maps. Secondly, the hierarchical A* algorithm was applied for route planning in an extensive area with limited computing resources. These approaches were incorporated to suggest an efficient solution to the route planning for small ships. The proposed method in this study was verified by applying it to various problems for route planning in coastal areas in the Republic of Korea. The result shows the proposed method could yield economic routes.
Publication Date 2022-04-28
Dong-Guen Jeong, Myung-Il Roh, Ki-Su Kim, Jun-Sik Lee, Dae-Hyuk Kim, Wang-Seok Jang, "A Method for Route Planning of Small Ships in Coastal Areas", Proceedings of ICDM(International Conference on Decarbonization and Digitalization in Marine Engineering) 2022, Si-Heung, Korea, 2022.04.28-29

List of Articles
번호 분류 제목 Publication Date
145 International Conference Bo-Hyun Lee, Kyoung-Sik Chang, Bum-Sang Yoon, Joo-Sung Lee, Myung-Il Roh, "Large Eddy Simulation of Fully Turbulent Channel Flow Using Variational Multiscale Method", Proceedings of the 23rd Asian-Pacific TEAM(Technical Exchange and Advisory Meeting on Marine Structures) 2009, Kaohsiung, Taiwan, pp. 93-97, 2009.11.30-12.03 file 2009-11-30
144 International Conference Do-Hyun Chun, Myung-Il Roh, Hye-Won Lee, "Deep Reinforcement Learning-Based Ship Collision Avoidance Considering Collision Risk", Proceedings of TEAM 2022, Istanbul, Turkey, pp. 268, 2021.12.06-07 file 2021-12-07
143 International Conference Do-Hyun Chun, Myung-Il Roh, Hye-Won Lee, Seung-Ho Ham, "A Block Lifting Method with Wire Ropes Based on Deep Reinforcement Learning", Proceedings of ICDM 2022, Si-Heung, Korea, 2022.04.28-29 2022-04-28
142 International Conference Do-Hyun Chun, Myung-Il Roh, Hye-Won Lee, Seung-Ho Ham, "A Crane Movement Control for Stability of Block Erection Based on Deep Reinforcement Learning", MIM 2019, Berlin, Germany, 2019.08.28-30 file 2019-08-28
141 International Conference Do-Hyun Chun, Myung-Il Roh, Hye-Won Lee, Seung-Ho Ham, "A Method for Automatic Control of Cranes for Block Lifting in Shipyard", Proceedings of PRADS 2022, Dubrovnik, Croatia, pp. 64, 2022.10.09-13 file 2022-10-09
140 International Conference Do-Hyun Chun, Myung-Il Roh, In-Chang Yeo, "Optimum Design of Membrane-type LNG Tanks for Installing Insulation", Proceedings of G-NAOE 2022, Changwon, Korea, 2022.11.06-10 2022-11-07
139 International Conference Do-Hyun Chun, Myung-Il Roh, Seung-Ho Ham, Hoon-Kyu Oh, Sang-Ok Lee, "Optimum Layout Design of Wedges of Panel for an LNG Tank Considering Amount of Resin Ropes", Proeedings of ISOPE 2019, Honolulu, Hawaii, pp. 1289-1292, 2019.06.16-21 file 2019-06-19
» International Conference Dong-Guen Jeong, Myung-Il Roh, Ki-Su Kim, Jun-Sik Lee, Dae-Hyuk Kim, Wang-Seok Jang, "A Method for Route Planning of Small Ships in Coastal Areas", Proceedings of ICDM 2022, Si-Heung, Korea, 2022.04.28-29 2022-04-28
137 International Conference Dong-Guen Jeong, Myung-Il Roh, Ki-Su Kim, Jun-Sik Lee, Dae-Hyuk Kim, Wang-Seok Jang, "A Route Planning Method for Coastal Navigation of Small Ships", Proceedings of ICCAS 2022, Yokohama, Japan, pp. 153-156, 2022.09.13-15 file 2022-09-14
136 International Conference Dong-Hoon Jeong, Myung-Il Roh, Seung-Ho Ham, Luman Zhao, Hye-Won Lee, Sol Ha, "Physics-based Simulation of Offshore Installation Operations Considering Ocean Environmental Loads and Operating Conditions", Proceedings of ASEM 2015, Korea file 2015-08-26
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