CN-121998542-A - Steel coil specification optimization method, device, equipment and medium

CN121998542ACN 121998542 ACN121998542 ACN 121998542ACN-121998542-A

Abstract

The application discloses a steel coil specification optimization method, a device, equipment and a medium, which relate to the technical field of quality control and comprise the steps of preprocessing order data through width duplication elimination and weight combination, generating a combined set meeting the range of preset width and number of coils, determining the number of initial steel coils and constructing an initial combined scheme group. The combination scheme is optimized by utilizing a tabu search algorithm, so that the variance of the width of the steel coil is minimized, the unified steel coil specification is determined, the result is sent to a production control system to execute the longitudinal slitting operation, the accuracy and the efficiency of steel coil specification optimization are improved, the stock pressure is reduced, and the high production efficiency and the high resource utilization rate are realized.

Inventors

LIU FEN
ZENG GUANGHUI
Tan Qilian
XIAO KUN
Luo Gexi
LI XINYUE
XIAO FAN
XUE RENJIE

Assignees

娄底华菱云创数智科技有限公司

Dates

Publication Date: 20260508
Application Date: 20251128

Claims (10)

1. The steel coil specification optimizing method is characterized by comprising the following steps of: Performing width de-duplication and weight combination processing on the input multiple steel coil order data to obtain preprocessed steel coil order data; generating an order width combination set meeting a preset steel coil width range and a preset coil dividing number range based on the preprocessed steel coil order data; Determining the initial steel coil quantity according to the total weight of all orders in the preprocessed steel coil order data and the preset maximum steel coil weight; Selecting combinations corresponding to the initial steel coil number from the order width combination set, and constructing an initial combination scheme group, wherein each combination in the initial combination scheme group meets a preset steel coil width constraint and a preset coil dividing number constraint; Performing iterative optimization on the initial combination scheme set by adopting a tabu search algorithm, and regulating the number of sub-coils in each combination to minimize the variance of the widths of all combined coils in the initial combination scheme set to obtain a target combination scheme set; Extracting the maximum steel coil width in the target combination scheme set as a uniform steel coil width, and determining the uniform steel coil specification by combining the preset steel coil thickness; and sending the unified steel coil specification and the steel coil order data to a production control system so that the production control system executes longitudinal slitting operation according to the unified steel coil specification.
2. The method of claim 1, wherein the step of performing a width deduplication and weight merge process on the plurality of incoming coil order data to obtain the preprocessed coil order data comprises: reading a plurality of input steel coil order data, and extracting order width, order weight and order thickness in each steel coil order data; performing duplicate removal screening on the order width of all the steel coil order data to obtain a plurality of unique order widths; Summarizing the order weight of all the steel coil order data comprising the order width aiming at each unique order width to obtain the total weight corresponding to each unique order width; And carrying out association storage on each unique order width, the total weight and the unified order thickness to obtain preprocessed steel coil order data.
3. The method of claim 1, wherein the step of generating an order width combination set satisfying a preset coil width range, a preset fractional coil number range based on the preprocessed coil order data comprises: Analyzing the preprocessed steel coil order data, and extracting all unique order widths; performing multi-group combination operation on all the unique order widths to obtain a plurality of original order width combinations; comparing and screening the fractional numbers of the plurality of original order width combinations with a preset fractional number range to obtain original order width combinations with up-to-standard fractional numbers; calculating the original order width combination with the standard of the fractional volume number to obtain the total width; Checking, comparing and screening the total width and the preset steel coil width range to obtain an order width combination corresponding to the standard of the total width; And taking the order width combination as an order width combination set.
4. The method of claim 1, wherein the step of determining the initial number of coils based on the total weight of all orders in the pre-processed coil order data and the preset maximum weight of coils comprises: extracting the weight corresponding to each order in the preprocessed steel coil order data to perform accumulation operation, so as to obtain the total weight of all orders; acquiring the maximum weight of a preset steel coil and the minimum weight of the preset steel coil; dividing the total weight and the maximum weight of the preset steel coil to obtain the theoretical number of steel coils; Performing upward rounding treatment on the theoretical steel coil number to obtain a basic steel coil number; And increasing the number of the basic steel coils by a preset number to obtain the number of the initial steel coils.
5. The method of claim 1, wherein said step of selecting combinations from said set of order width combinations corresponding to said initial number of coils to construct an initial set of combination schemes comprises: randomly selecting the combination with the quantity equal to the quantity of the initial steel coils from the order width combination set to obtain an initial combination set; assigning an initial number of uses to each combination in the initial set of combinations; calculating according to the width of each combined order and the initial use times to obtain the corresponding accumulated redemption weight of the order; When the accumulated redemption weight of any order is smaller than the original weight of the order in the preprocessed steel coil order data, increasing the initial use times of the combination corresponding to the width of the order to obtain updated use times; calculating according to the updated use times and the order width to obtain updated redemption weight; until the updated redemption weight is not lower than the original weight, taking the current updated use times as target use times; And taking the combination of the initial combination set and the corresponding target use times as an initial combination scheme group.
6. The method of claim 1, wherein the step of iteratively optimizing the initial set of combining schemes using a tabu search algorithm to minimize variance in coil width of all combinations in the initial set of combining schemes by adjusting the number of rolls in each combination, comprises: initializing tabu search parameters, wherein the tabu search parameters comprise a preset tabu list size and a preset maximum iteration number; Taking the initial combination scheme set as an optimal combination scheme set, and calculating the widths of all combined steel coils in the optimal combination scheme set to obtain a current steel coil width array; Calculating based on the current steel coil width array to obtain an optimal variance value; performing fine adjustment processing on the number of the sub-volumes of each combination in the optimal combination scheme group to generate a plurality of neighborhood combination scheme groups; screening the plurality of neighborhood combination scheme groups according to preset screening requirements to obtain an effective neighborhood combination scheme group, wherein the preset screening requirements are that the total width of all combinations in the plurality of neighborhood combination scheme groups is within a preset steel coil width range, the number of rolls is within a preset number of rolls, and the corresponding order redemption weight is not less than the total weight of the corresponding order; calculating a steel coil width array and a corresponding variance value of each effective neighborhood combination scheme group, and taking the corresponding effective neighborhood combination scheme group with the smallest variance value as a candidate optimal scheme group; inquiring a tabu list, if the candidate optimal solution group is not in the tabu list or the candidate optimal solution group is in the tabu list and the corresponding variance value is lower than the optimal variance value, updating the candidate optimal solution group into a new optimal combination solution group, synchronously updating the optimal variance value, and adding the initial combination solution group into the tabu list; and taking the current optimal combination scheme group as a target combination scheme group until the preset maximum iteration times are reached.
7. The method of claim 1, wherein the step of extracting the maximum coil width in the target combination scheme set as a uniform coil width, and determining a uniform coil specification in combination with a preset coil thickness, comprises: Traversing all combinations in the target combination scheme group to obtain the width of the steel coil corresponding to each combination; selecting the width with the largest numerical value from the widths of the steel coils as the largest width of the steel coils; Uniformly replacing all combined steel coil widths with the maximum steel coil width according to preset width requirements, wherein the preset width requirements are that the difference value between the steel coil widths of other combinations and the maximum steel coil width does not exceed a preset width merging threshold; Calculating according to the maximum steel coil width, the preset steel coil thickness and the preset steel coil maximum weight to obtain the steel coil length; And taking the maximum steel coil width and the steel coil length as unified steel coil specifications.
8. A steel coil specification optimizing apparatus, characterized in that the apparatus comprises: The order preprocessing module is used for carrying out width duplicate removal and weight combination processing on the input multiple steel coil order data to obtain preprocessed steel coil order data; The combined set generating module is used for generating an order width combined set meeting a preset steel coil width range and a preset fractional coil number range based on the preprocessed steel coil order data; the steel coil quantity determining module is used for determining the initial steel coil quantity according to the total weight of all orders in the preprocessed steel coil order data and the preset maximum weight of the steel coil; The initial scheme construction module is used for selecting combinations corresponding to the number of the initial steel coils from the order width combination set to construct an initial combination scheme group, wherein each combination in the initial combination scheme group meets the constraint of the preset steel coil width and the constraint of the preset coil dividing number; The iterative optimization module is used for carrying out iterative optimization on the initial combination scheme set by adopting a tabu search algorithm, and the variance of the widths of all combined steel coils in the initial combination scheme set is minimized by adjusting the number of the coils in each combination, so as to obtain a target combination scheme set; The steel coil specification determining module is used for extracting the maximum steel coil width in the target combination scheme group as a uniform steel coil width and determining the uniform steel coil specification by combining with the preset steel coil thickness; And the data transmitting module is used for transmitting the unified steel coil specification and the steel coil order data to a production control system so that the production control system can execute longitudinal slitting operation according to the unified steel coil specification.
9. A steel coil specification optimizing apparatus, characterized in that the apparatus comprises a memory, a processor and a steel coil specification optimizing program stored on the memory and running on the processor, the steel coil specification optimizing program being configured to implement the steps of steel coil specification optimization as set forth in any one of claims 1-7.
10. A storage medium, wherein a steel coil specification optimizing program is stored on the storage medium, and wherein the steel coil specification optimizing program, when executed by a processor, implements the steps of optimizing the steel coil specification according to any one of claims 1 to 7.

Description

Steel coil specification optimization method, device, equipment and medium Technical Field The invention relates to the technical field of quality control, in particular to a steel coil specification optimization method, a steel coil specification optimization device, steel coil specification optimization equipment and a steel coil specification optimization medium. Background At present, the order processing of the longitudinal cutting rolls in the steel industry mainly adopts a production mode of 'single order corresponds to single steel roll', namely each small-width order is matched with one steel roll independently for cutting processing. Although a part of enterprises introduce simple optimized splitting logic, only a uniform splitting mode is supported, namely the same steel coil can be split according to the same width, and combined splitting of orders with different widths cannot be realized. In the technical implementation level, the existing system lacks mature order combination optimization algorithm support, steel coil resources can be distributed only based on manual experience or simple weight and width matching rules, and a standardized and intelligent specification optimization flow is not formed. For verification of steel coil production constraint, manual verification is mostly adopted, and an automatic verification mechanism is lacked. Therefore, a steel coil specification optimizing method is urgently needed to improve accuracy and efficiency of steel coil specification optimization. Disclosure of Invention The application mainly aims to provide a steel coil specification optimization method device, equipment and medium, and aims to solve the problems of accuracy and efficiency of steel coil specification optimization. In order to achieve the above purpose, the present application provides a steel coil specification optimization method, which includes: Performing width de-duplication and weight combination processing on the input multiple steel coil order data to obtain preprocessed steel coil order data; generating an order width combination set meeting a preset steel coil width range and a preset coil dividing number range based on the preprocessed steel coil order data; Determining the initial steel coil quantity according to the total weight of all orders in the preprocessed steel coil order data and the preset maximum steel coil weight; Selecting combinations corresponding to the initial steel coil number from the order width combination set, and constructing an initial combination scheme group, wherein each combination in the initial combination scheme group meets a preset steel coil width constraint and a preset coil dividing number constraint; Performing iterative optimization on the initial combination scheme set by adopting a tabu search algorithm, and regulating the number of sub-coils in each combination to minimize the variance of the widths of all combined coils in the initial combination scheme set to obtain a target combination scheme set; Extracting the maximum steel coil width in the target combination scheme set as a uniform steel coil width, and determining the uniform steel coil specification by combining the preset steel coil thickness; and sending the unified steel coil specification and the steel coil order data to a production control system so that the production control system executes longitudinal slitting operation according to the unified steel coil specification. In an embodiment, the step of performing width deduplication and weight merging processing on the input plurality of steel coil order data to obtain preprocessed steel coil order data includes: reading a plurality of input steel coil order data, and extracting order width, order weight and order thickness in each steel coil order data; performing duplicate removal screening on the order width of all the steel coil order data to obtain a plurality of unique order widths; Summarizing the order weight of all the steel coil order data comprising the order width aiming at each unique order width to obtain the total weight corresponding to each unique order width; And carrying out association storage on each unique order width, the total weight and the unified order thickness to obtain preprocessed steel coil order data. In an embodiment, the step of generating an order width combination set satisfying a preset steel coil width range and a preset fractional coil number range based on the preprocessed steel coil order data includes: Analyzing the preprocessed steel coil order data, and extracting all unique order widths; performing multi-group combination operation on all the unique order widths to obtain a plurality of original order width combinations; comparing and screening the fractional numbers of the plurality of original order width combinations with a preset fractional number range to obtain original order width combinations with up-to-standard fractional numbers; calculating the original order