船舶紧迫危险避碰决策方法研究.pdf

I STCW 1 PIDVCA 2 3 Visual C++ PIDVCA SIHC 4 PIDVCA UI II Study on Method of Ship Collision Avoidance Decision-Making in Imminent Danger Abstract Collision accidents are usually caused by improper maneuvering when the two ships are caught in imminent danger. However, there are few research conducted by domestic and foreign scholars on how to take coordinated collision avoidance decision-making in imminent danger or reduce the collision losses. Masters, pilots should be trained in accordance with assessment specification requirements of the “Bridge Resource Management in STCW Convention and the MSA.Therefore, studying the strategy of emergency ship maneuvering in imminent danger is rather necessary, which is of high value for the safety of navigation and marine simulator training and teaching in academic research and practical applications.This article will focus on the related models and algorithms about ship maneuvering in the imminent danger on the related models and algorithms, focusing on ship maneuvering in the imminent danger with a method of combining geometric analysis and simulation experiments. The main works are as follow: (1)Optimize the decision-making model and algorithm of coordinated collision avoidance decision-making in imminent danger based on the research results of Personifying Intelligent Decision-making for Vessel Collision avoidance(PIDVCA), we further optimize the quantitative model of the radius estimation in collision area and the model of the distance in imminent danger situation; putting forward the concept of maximum critical distance in imminent danger situation, and the system determines whether two ships are in imminent danger situation; applied with the relative movement of the geometric analysis and simulation results, based on the two ships encounter character,it analyze the two vessel’s basic encounter situation, form the coordinated decision-making table for collision avoidance in imminent danger, optimize the the algorithm of coordinated collision avoidance decision-making in imminent danger. (2)The primary research on ships handling decision of reduce losses in imminent danger are presented.The concept of critical distance of minimum losses in collisions has been put forward,and established the model of estimating critical distance of minimum losses in collisions by using the method of the true motion analyzing;through analyzing a mass of literature and summarizing the factors of collision loss, we established collision loss of two-dimensional weights table; based on critical distance of minimum losses in collisions, the encounter situation of two ships and collision loss of two-dimensional weights table, ships handling decision of reduce losses in imminent danger has been confirmed. (3) Put forward the representation of the algorithm of case database, established the database of imminent Maneuvering; By using the exploit tool Visual C++ we can put the designed III coordinated collision avoidance decision-making in imminent danger and the algorithm of ships handling decision of reduce losses into the PIDVCA algorithm,using the 。