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Nature-imitating body optimization method for warehouse site selection of logistics distribution center

A technology of logistics distribution and optimization method, applied in the field of logistics, can solve the problem of small total distance between end customers

Inactive Publication Date: 2019-10-15
FUJIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of how to choose the optimal location of the logistics distribution warehouse so that the total distance between the warehouse and many end customers is the smallest, the present invention provides a natural body optimization method for the location selection of the logistics distribution center warehouse

Method used

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  • Nature-imitating body optimization method for warehouse site selection of logistics distribution center
  • Nature-imitating body optimization method for warehouse site selection of logistics distribution center
  • Nature-imitating body optimization method for warehouse site selection of logistics distribution center

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Embodiment 1

[0042] please see figure 1 , a kind of logistics distribution center warehouse site selection method for imitating natural body optimization provided by the present invention comprises the following steps:

[0043] Step 1: Initialize the parameters of the algorithm, including the number of iterations T, the number of candidate solutions N, the dimension of the search space D, the discovery probability P of the candidate solution, the step size control amount α, and the search path L for updating the position of the next candidate solution; where the candidate solution as demand point;

[0044] Assume that there are N demand points within an area, and the coordinates of the demand points are (X i ,Y i ), where the value range of the subscript i is 1≦i≦N, and the default value of demand for each demand point is w i ; There is a coordinate (X 0 , Y 0 ) to provide services for each demand point;

[0045] Step 2: Assuming that the target requirement is the lowest cost functio...

Embodiment 2

[0058] The present invention also provides a method for optimizing the location of a warehouse in a logistics distribution center by imitating a natural body, comprising the following steps:

[0059] Step 1: Initialize the parameters of the algorithm, including the number of iterations T, the number of candidate solutions N, the dimension of the search space D, the discovery probability P of the candidate solution, the step size control amount α, and the search path L for updating the position of the next candidate solution; where the candidate solution as demand point;

[0060] Assume that there are N demand points within an area, and the coordinates of the demand points are (X i ,Y i ), where the value range of the subscript i is 1≦i≦N, and the default value of demand for each demand point is w i ; There is a coordinate (X 0 , Y 0 ) to provide services for each demand point;

[0061] Step 2: Assuming that the target requirement is the lowest cost function H, then constr...

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Abstract

The invention discloses a nature-imitating body optimization method for warehouse site selection of a logistics distribution center. According to the nature-imitating body optimization method, for demand spaces of different distribution center scales, an objective function is constructed through a method of determining the center of an object, and the objective function considers influence factorssuch as the demand quantity, the transportation distance and the transportation cost, and then the objective function is solved through a nature-imitating body optimization algorithm; and the position of the next time is updated through the position of the candidate solution, the search path of position updating and the step length, and finally the optimal solution needing to be obtained is output. According to the nature-imitating body optimization method, a set of nature-imitating body optimization algorithm is developed, and a single distribution center site selection optimization problemwith demand consideration is solved, and the nature-imitating body optimization algorithm provided by the invention can be written into a software program, and scientific calculation and system simulation are carried out through a computer, and the logistics distribution center site selection problem is efficiently solved.

Description

technical field [0001] The invention belongs to the technical field of logistics, and relates to a method for imitating natural body optimization of location selection of logistics distribution center warehouses, in particular to an optimization calculation method for location selection of single distribution warehouses with demand considerations. Background technique [0002] In 2018, the total cost of national social logistics was close to 12 trillion yuan, a year-on-year increase of 13.3%, significantly higher than the GDP growth rate, showing that the economic demand for logistics is still strong. Correspondingly, the problem of location selection of logistics facilities has begun to come into people's eyes. The location selection of distribution centers determines whether the cost of the entire logistics system itself can be developed in a long-term and efficient manner. A good distribution center optimizes distribution routes and reduces While reducing logistics costs,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/08
CPCG06Q10/047G06Q10/087G06Q10/08355
Inventor 王嘉宏吴晓晶曾钧
Owner FUJIAN UNIV OF TECH