Autonomous collision avoidance method based on improved artificial potential field in the traffic separation scheme waters

Shiyu Guo; Hongguang Lyu; Wei Liu; Chunda Fu

doi:10.1117/12.3016005

20 February 2024 Autonomous collision avoidance method based on improved artificial potential field in the traffic separation scheme waters

Shiyu Guo, Hongguang Lyu, Wei Liu, Chunda Fu

Author Affiliations +

Proceedings Volume 13064, Seventh International Conference on Traffic Engineering and Transportation System (ICTETS 2023); 1306440 (2024) https://doi.org/10.1117/12.3016005
Event: 7th International Conference on Traffic Engineering and Transportation System (ICTETS 2023), 2023, Dalian, China

Abstract

In order to realize the autonomous navigation of ships in the complex waters under the traffic separation system (TSS), taking the Chengshanjiao TSS waters as an example, an improved autonomous collision avoidance algorithm is proposed based on the artificial potential field (APF) method. By establishing five kinds of potential fields and their force functions, including the gravitational function of the goal point, the repulsion function of the target ships (TS), the gravitational function of the centerline of the traffic lane, the velocity function of the ship, and the boundary repulsion function of the navigation lane, finally the resultant force of them is calculated to guide the navigation direction of the ship, during the navigation process in this TSS water. Multiple groups of comparative experiments demonstrated that under the improved algorithm, the ship could avoid collisions with TS in four typical scenarios, according to the requirements of the 1972 International Regulations for Preventing Collisions at Sea (COLREGS) and good seamanship practice, simultaneously the ship could proceed in the navigable lane and keep safe distance with the boundaries and separation zones. The method proposed in this paper is expected to provide basic theoretical basis and technical support for the safe navigation of autonomous ships in TSS waters.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Shiyu Guo, Hongguang Lyu, Wei Liu, and Chunda Fu "Autonomous collision avoidance method based on improved artificial potential field in the traffic separation scheme waters", Proc. SPIE 13064, Seventh International Conference on Traffic Engineering and Transportation System (ICTETS 2023), 1306440 (20 February 2024); https://doi.org/10.1117/12.3016005

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KEYWORDS

Collision avoidance

Navigation systems

Evolutionary algorithms

Safety

Computer simulations

Decision making

Motion models

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