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논문 기본 정보

자료유형
학술대회자료
저자정보
Zahra Nourmohammadi (공주대학교) Fatemeh Nourmohammadi (공주대학교) 김인희 (공주대학교)
저널정보
대한교통학회 대한교통학회 학술대회지 대한교통학회 제85회 학술발표회
발행연도
2021.11
수록면
805 - 817 (14page)

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Patrol ship Route Analysis and Optimization Model The demand for the shipping services and seaborn trade has increased in the past several years increased possibility of navigation accident, illegal fishing etc. Consequently, ship navigation safety has become a growing concern in maritime transportation. Patrol ships play a vital navigation safety enhancement in the marine environments. This study proposes a minimized patrol path in South Korea. Firstly, the model considered as a Travelling Salesman Problem (TSP) and solved with a heuristic algorithm (Simulated Annealing) and the result shows a good result. In the next step, we consider more constraints which could not be considered in the TSP model because suborn eliminations. Therefore, we proposed a new model to solve a linear programming considering all constraints as the constraints were important for us. Korea Maritime Accident Prediction Based on Clustering and a grid-based Classification Method Maritime Safety has become one the top global concerns recently. Maritime accidents are directly connected with human lives, environment, and economy. Particularly, shipping has long been regarded as a complex and high-risk activity due to the uncertainty and severe condition in the sea. The data is collected from 2014 to 2018 (a 4-year period) with total number of 12329 records. Types, Date and Time, Season, Location (Longitude and Latitude), Region, Capacity, Purpose of Travel, and total casualty are considered as variables. As preliminary analysis results, we found accident black spots using Four Clustering algorithms such as K-means, DBSCAN, Agglomerative Clustering which second one showed the best result. After making grids in three most dense areas, we predicted grids that illustrates the opproximate location of the accident using Logistic Regression, K-Nearest Neighbors, Decision Tree, Random Forest classification. Decision Tree (Entropy )showed the best accuracy for this Prediction for all the grid sizes and all the clusters. The outcomes will be helpful in guiding the management of maritime traffic safety to pay more attention to the area with higher danger of accident. Results of classification which presents new insights for accident prevention practice for maritime authorities.

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