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Method and device for distribution of residual plate blanks in hot-rolled plate blank front storeroom

A distribution method and slab technology, applied in the field of information, can solve problems such as many-to-one optimal matching between remaining slabs and contracts that are not involved, and achieve the effects of reducing the amount of remaining slabs in inventory, cutting loss, and loss.

Active Publication Date: 2012-08-15
NORTHEASTERN UNIV
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Problems solved by technology

[0008] In the above solution, the remaining slabs can be cut into multiple slabs and assigned to multiple contracts, but it does not involve the many-to-one optimal matching of the remaining slabs and contracts

Method used

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  • Method and device for distribution of residual plate blanks in hot-rolled plate blank front storeroom
  • Method and device for distribution of residual plate blanks in hot-rolled plate blank front storeroom
  • Method and device for distribution of residual plate blanks in hot-rolled plate blank front storeroom

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Embodiment Construction

[0042] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0043] figure 1 A flow chart showing the method for distributing the remaining slabs in the front warehouse of hot-rolled slabs according to the present invention.

[0044] Such as figure 1 As shown, the method for distributing the remaining slabs in the front warehouse of hot-rolled slabs provided by the present invention mainly includes the following steps:

[0045]S100: Quantitatively describe the distribution of remaining slabs by means of a mathematical model;

[0046] S200: setting the mathematical model parameters in step S100;

[0047] S300: Group contract data and slab data according to steel grades. Each group includes slabs with the same steel grade and contracts that match the steel grades of slabs in the group. After grouping, there is no allocation relationship between slabs and contracts ;

[0048] S400: Obtain the distribu...

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Abstract

The invention provides a method and a device for distribution of residual plate blanks in a hot-rolled plate blank front storeroom. The method includes the steps: S100, using a mathematical model for quantitative description of a distribution problem of residual plate blanks in the hot-rolled plate blank front storeroom, wherein the quantitative description includes selecting decision variables, setting an optimization target and determining residual plate blank distribution constraints; S200, setting parameters of the mathematical model in the S100; S300, grouping contract data and plate blank data according to steel levels, wherein each group comprises plate blanks of the same steel level and a contract matched with the steel level of the plate blanks in the group, the plate blanks and the contracts have no distribution relation after grouping; S400, using a mixed dispersion searching algorithm to respectively obtain a distribution scheme of the residual plate blanks and the contracts in each group; and S500, distributing the residual plate blanks in the hot-rolled plate blank front storeroom according to the distribution scheme. From a view of global optimization, all aspects of factors are considered comprehensively, and complete and reasonable distribution of residual stock of the hot-rolled plate blank front storeroom is realized.

Description

technical field [0001] The present invention relates to the field of information technology, more specifically, to a method and device for distributing the remaining slabs in the front warehouse of hot-rolled slabs in iron and steel enterprises. Background technique [0002] The iron and steel industry is a raw material industry, a basic industry in the national economy, and an important pillar of social development. At present, the demand in the steel market tends to be complicated, multi-variety, and small-batch. The conflict between this demand model and the traditional mass production model of the steel industry is becoming more and more obvious, which leads to frequent occurrences of production volume exceeding The situation of user contract volume. [0003] Generally speaking, after the steelmaking and continuous casting process, the remaining slabs that exceed the user's contract requirements will be stored in the front warehouse of hot-rolled slabs as surplus invent...

Claims

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Application Information

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IPC IPC(8): G06Q10/08
CPCG06Q10/0631
Inventor 唐立新孟盈
Owner NORTHEASTERN UNIV
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