A deterministic collision avoidance decision-making system for multi-MASS encounter situation

Ni Shengke; Wang Ning; Li WeiLiu ZhengjiangLiu ShaomanFang SimingZhang Teng

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A deterministic collision avoidance decision-making system for multi-MASS encounter situation

机译：A deterministic collision avoidance decision-making system for multi-MASS encounter situation

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摘要

Efficient identification of multi-ship encounter situation concerning action priority analysis is of vital signifi-cance for making effective and practical collision avoidance manoeuvres. However, action priority analysis is strongly involved in conflict urgency quantification, collision candidates relevance analysis as well as the contribution analysis within the encountering ships. In this paper, considering Maritime Autonomous Surface Ship, a deterministic collision avoidance decision-making system is established to estimate multi-MASS encounter situation. To this end, the approach index and asymmetrical Gaussian fitting method are deployed to assess collision risk, while the encountering ships are analytically distinguished into different clusters based on the Density-Based Spatial Clustering of Applications with Noise (DBSCAN) algorithm. By virtue of the improved Sharpley value method, the collision avoidance action priority is elaboratively sorted for different clusters. Accordingly, each individual collision avoidance manoeuvres are collaboratively generated by the modified velocity obstacle algorithm with certain time delay. Eventually, the proposed decision-making system is syn-thesized by functional modules including data-processing, conflict assessment detection, relevance analysis, action priority analysis, path planning and performance monitor. Simulation results demonstrate that this pro-posed decision-making system can perform significant superiority in various maritime environment in line with the practice of coordination and navigation.

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来源
《Ocean engineering》 |2022年第5期|113087.1-113087.21|共21页
作者
Ni Shengke; Wang Ning; Li WeiLiu ZhengjiangLiu ShaomanFang SimingZhang Teng;
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作者单位

Dalian Maritime Univ||Dalian Maritime Univ;

Dalian Maritime Univ;

Dalian Naval Acad PLANorth Ind North Automatic Control Technol Res Inst;

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原文格式 PDF
正文语种英语
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关键词
1; Collision avoidance; 2; Collision risk assessment; 3; Action priority; 4; Relevance analysis; 5; Multi-ship encounter situation;

A deterministic collision avoidance decision-making system for multi-MASS encounter situation

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