Grid-based extension method for anchor circle decision using ship-specific characteristics
Volume
76
Issue number
4
Article number
76402
Received
8 February 2025
Received in revised form
10 June 2025
Accepted
14 June 2025
Available online
22 June 2025
Authors
Gil-Ho Shin1, Hyun Yang2*
1 Graduate School of Korea Maritime and Ocean University, Busan, Republic of Korea
2 Division of Maritime AI & Cyber Security, Korea Maritime and Ocean University, Busan, Republic of Korea
Corresponding author email
Abstract
With the global increase in maritime cargo volume and vessel size, accurate anchor circle determination is crucial for safe and efficient anchorage management. This study proposes a new grid-based extension method that integrates vessel-specific characteristics with Automatic Identification System (AIS) data to determine anchor circles. Experiments with five vessels at Busan Port demonstrated high accuracy, with a maximum radius error of 9 m, significantly outperforming current Vessel Traffic Service (VTS) systems, which overestimate required radii by 1.7–2.1 times. The method enables immediate field application using existing VTS data, contributing to efficient anchorage management and smart port development.
Keywords
Grid-based extension method, Anchor circle, Vessel traffic services (VTS), Vessel dimensions, Maritime safety