The invention relates to a traffic flow basic diagram drawing method and device based on ship displacement, and a medium, and the method comprises the steps: extracting ship feature data after obtaining and preprocessing initial data, calculating the ship displacement, and correcting the driving distance and time of different ships; calculating the flow rate of the ship traffic flow in the whole space-time region based on different ship driving distances and corresponding ship displacement in the selected time period; calculating the ship traffic flow density in the whole space-time region based on different ship running time and corresponding ship displacement in the selected route segment; calculating a ship traffic flow speed based on the ship traffic flow rate and the ship traffic flow density; drawing a ship traffic flow basic diagram based on the flow rate, density and speed of the ship traffic flow; the whole space-time region is jointly determined by a selected time period and a selected leg. Compared with the prior art, the method has the advantages that the accuracy of ship traffic flow key parameters and the authenticity of a traffic flow basic diagram are improved, and the like.
本发明涉及一种基于船舶排水量的交通流基本图绘制方法、装置及介质,该方法获取并预处理初始数据后,提取船舶特征数据,计算船舶排水量并修正不同船舶的行驶距离和时间;基于选定时段内不同的船舶行驶距离和相应的船舶排水量,计算全时空区域内的船舶交通流流率;基于选定航段内不同的船舶行驶时间和相应的船舶排水量,计算全时空区域内的船舶交通流密度;基于船舶交通流流率和船舶交通流密度,计算得到船舶交通流速度;基于船舶交通流流率、密度和速度,绘制船舶交通流基本图;全时空区域由选定时段和选定航段共同确定。与现有技术相比,本发明具有提高船舶交通流关键参数的精确性、交通流基本图的真实性等优点。
Traffic flow basic diagram drawing method and device based on ship displacement and medium
基于船舶排水量的交通流基本图绘制方法、装置及介质
2023-11-28
Patent
Electronic Resource
Chinese
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