Ship path planning method based on ship trajectory and ant colony algorithm
An ant colony algorithm and ship trajectory technology, applied in the field of multi-stop ship route planning, can solve problems such as slow clustering speed, slow algorithm convergence speed, and excessive computational load
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[0054] The invention is mainly based on a large amount of AIS data as basic data, and at the same time improves the DBSCAN algorithm and the ant colony algorithm. The specific implementation method is as follows:
[0055] The overall process of this method combines figure 1 as follows:
[0056] Step 1: Obtain AIS data.
[0057] Step 2: Preprocessing the AIS data.
[0058] Step 3: Cluster the data and extract representative routes.
[0059] Step 4: Apply the ant colony algorithm proposed by this method on the representative route to obtain the optimal route.
[0060] Representative route extraction process combination figure 2 as follows:
[0061] Step 1: Obtain a large amount of ship AIS data as CSV files or EXCEL files, import the data into the mysql database, and design the table structure. It is designed into four tables, which are the initial AIS data table, the cleaned AIS data table, the trajectory sub-segment table and the representative route table.
[0062] S...
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