Collision Risk Prediction and Quantification Method for Multi-Ship Encountered Situation With Multi-Factors in Inland Water
- Yanfeng Wang (Wuhan University of Technology, Hubei Inland Shipping Technology Key Laboratory, Wuhan Technical College of Communications) | Liwen Huang (Wuhan University of Technology, Hubei Inland Shipping Technology Key Laboratory) | Xilong Xiong (Wuhan University of Technology, Hubei Inland Shipping Technology Key Laboratory) | Mengzi Wang (Wuhan Technical College of Communications) | Haiwen Yuan (Wuhan University of Technology, Hubei Inland Shipping Technology Key Laboratory) | Lili Wang (Wuhan University of Technology)
- Document ID
- International Society of Offshore and Polar Engineers
- The 28th International Ocean and Polar Engineering Conference, 10-15 June, Sapporo, Japan
- Publication Date
- Document Type
- Conference Paper
- 2018. International Society of Offshore and Polar Engineers
- collision risk assessment, inland ship collision, multi-factors, Extended Kalman filter
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- 14 since 2007
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The development of inland navigation takes an economic effectiveness, but the issue of the accident possibility of ship collision has received considerable critical attention. It is significant to study how to evaluate the risk of inland ship collision and to provide instant maneuver advice for the current vessel in case of multi-factors. This paper presents a quantification method of ship collision risk assessment for inland navigation, and delimits the safe voyage range of every ship in inland water. Specifically, by considering the influence of the multi-factors (flow state, channel conditions and ship maneuverability), the ships’ relative navigation trajectories, relative course-speed vectors and relative bearing vectors are predicted by Extended Kalman filter. Then all feasible voyages of the give-way vessel can be calculated using the interaction with other ones, and the safe voyage ranges are provided according to the optimal path planning decision. In the end, a maritime simulator is employed to verify the presented assessment model’s availability.
With the continuous expansion of the global shipping fleet and the large scale of ships, the traffic density of ships in narrow watercourses increases constantly, and the complicated navigation environment in the narrow channel makes it more difficult for large ships to operate and avoid collisions in narrow waterways, resulting in the occurrence of ship collision accidents in narrow watercourses.
The navigation of ships in narrow watercourses may be influenced by inter-ship effect, shore wall effect, shallow water effect, abandoned flow, bridge area and so on. Therefore, it is more difficult to operate and avoid collision than open water, so it is urgent to obtain the auxiliary support in theory and technology. However, the complex environment in the narrow channel leads to the difficulty in the study of collision avoidance decision-making, which leads to the relative lack of research results of the decision-making of narrow channel collision avoidance.
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