A point-to-point voyage time estimation method for ships based on route matching

Abstract

The invention relates to the technical field of digital channels, and provides a point-to-point ship sailing time estimation method based on ship route matching, which can be used for increasing the accuracy of point-to-point ship sailing time estimation of a ship. The method comprises the following steps: partitioning a segment of channel including a start point and a target point into a plurality of regions, and correspondingly partitioning a route from the start point to the target point into a plurality of route segments; acquiring the sailing information of the ship running on the segment of channel and saving the sailing information into a database to build a ship history route database of the region of the segment of channel; pre-storing a reference route in the database; when the entrance of the ship into a matched region is detected, inquiring whether the database includes the history route record of the ship, if so, acquiring the current sailing information of the ship via equipment such as an automatic ship identification system and / or a radar, matching with the history sailing line record of the ship, screening a closest route, calculating the sailing time of the ship passing through each route segment, and accumulating the sailing time of each route segment for serving as the estimated sailing time for the ship to arrive at the target point.

Description

technical field [0001] The invention relates to the technical field of digital waterways, in particular to a method for estimating the sailing time of a ship. Background technique [0002] In some curved and narrow river sections of the inland waterway, the passage of ships is controlled by setting passage signals, whistle signs, boundary marks and passage signal stations, and the ships conduct one-way and orderly passage according to the passage signals of the signal stations. At present, the traffic command of the signal station mainly relies on manual command or the intelligent command system based on AIS and / or radar, etc., judges according to the ship's position, ship speed, etc., and estimates or calculates the arrival of the ship from the upper command section and the lower command section. The time marked on the upper limit of the river section is used as one of the main judgment bases to determine the up and down passage sequence of ships and direct the passage of s...

AI Technical Summary

Problems solved by technology

[0012] The navigation method mentioned above is mainly applicable to ocean-going ships. For inland water ships, it has the following disadvantages: First, the navigation conditions of inland waterways are complicated, and the selection of the route, speed over the ground, and course over the ground is determined by the captain according to real-time It is determined by the current and environmental conditions; secondly, the voyage from the estimated starting point to the upper limit mark of the control river section is usually several kilometers long, and inland river ships have higher requirements for the accuracy of voyage time and voyage calculation

Therefore, it is not appropriate to apply the voyage calculation method of oceangoing ships to inland water ships

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