A pilot assignment method and device based on an improved intelligent water drop algorithm

A technology of intelligent water droplets and pilots, applied in the field of ship pilotage scheduling, can solve the problems of long solution time, low solution accuracy of pilot assignment model, etc., to achieve high solution accuracy, improve search efficiency and algorithm accuracy, and strong scalability Effect

Active Publication Date: 2022-07-22
HOHAI UNIV CHANGZHOU
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is: during the ship pilot dispatching process, the solution accuracy of the pilot assignment model is not high and the solution time is long

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  • A pilot assignment method and device based on an improved intelligent water drop algorithm
  • A pilot assignment method and device based on an improved intelligent water drop algorithm
  • A pilot assignment method and device based on an improved intelligent water drop algorithm

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Embodiment Construction

[0099] The present invention will now be further described with reference to the accompanying drawings and preferred embodiments.

[0100] A pilot assignment method based on an improved intelligent water drop algorithm of the present invention includes the following steps:

[0101] Step (1a): establish a local database, carry out data preprocessing, and the specific steps are:

[0102] (1a1) Read in the ship information, and determine the number of pilots M and pilot level information required for the ship's piloting task according to the ship information;

[0103] (1a2) Read in the number N of pilots who can participate in the assignment, the grades of each pilot, the work conditions of yesterday, and the number of working hours completed in the current month; obtain the number of pilots of each grade who can participate in the assignment;

[0104] Step (1b): According to the problem description, determine the problem constraints, and establish a pilot assignment model;

[...

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Abstract

The invention discloses a pilot assignment method and device based on an improved intelligent water drop algorithm, and relates to the field of ship pilot assignment. The method includes the following steps in sequence: determining problem constraints according to a problem description, and establishing a pilot assignment model; based on the improved intelligence The water drop algorithm solves the pilot assignment model and finds out the optimal pilot assignment plan; the invention proposes a selection strategy based on the optimal candidate node subgroup for the shortcomings of the intelligent water drop algorithm, such as insufficient heuristics and easy to fall into local optimum. search efficiency and algorithm accuracy. The improved intelligent water drop algorithm is used to solve the pilot assignment model, which effectively improves the accuracy of the solution results.

Description

technical field [0001] The invention belongs to the technical field of ship pilot scheduling, and in particular relates to a method for assigning ship pilots. Background technique [0002] With the rapid development of my country's economy and the increasing globalization and integration of the world economy, ports are becoming more important as the main channel for cargo transportation between countries. With the inherent advantages of port cities, shipping logistics has become the engine of economic development of coastal port cities. The quality of pilotage represents the degree of port opening to the outside world and market competitiveness to a certain extent. At the same time, the pilotage scheduling ability also determines the effect of pilotage services and the image of the port. [0003] The pilot resource is one of the core resources of the port. The pilot assignment problem belongs to the NP-hard combinatorial optimization problem, which is very suitable for solvi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/30G06N3/00
CPCG06Q10/06311G06Q10/06316G06N3/006G06Q50/30
Inventor 薛云灿杨启文蔡昌春
Owner HOHAI UNIV CHANGZHOU
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