AUTHOR=Li Lianbo , Wu Wenhao , Li Zhengqian , Wang Fangjie TITLE=Collision avoidance method for unmanned ships using a modified APF algorithm JOURNAL=Frontiers in Marine Science VOLUME=Volume 12 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2025.1550529 DOI=10.3389/fmars.2025.1550529 ISSN=2296-7745