CN110412958B - Device and method for designing complex plate type cooperative plate blank for steel products output from multi-production line of iron and steel enterprise - Google Patents
Device and method for designing complex plate type cooperative plate blank for steel products output from multi-production line of iron and steel enterprise Download PDFInfo
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- CN110412958B CN110412958B CN201910742029.XA CN201910742029A CN110412958B CN 110412958 B CN110412958 B CN 110412958B CN 201910742029 A CN201910742029 A CN 201910742029A CN 110412958 B CN110412958 B CN 110412958B
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- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention discloses a device and a method for designing a complex plate type cooperative plate blank for steel products from a multi-production line of an iron and steel enterprise. The device mainly comprises a plurality of operation terminals, a steel plate blank design unit, a multi-core server, a machine interface and a network interface. And a plurality of users confirm the slab design scheme in the buffer memory of the multi-core server through the network interface at the same time at respective operation terminals according to the drawn graph, store the slab design scheme into the slab scheme recording memory of the multi-core server, and send a 'cutting instruction conversion' instruction to the multi-core server. After the input and output processor of the multi-core server captures the cutting instruction conversion instruction, the input and output processor of the multi-core server calls the cutting instruction generation module into the multi-core processor of the unit for execution, and generates the cutting instruction of the slab scheme and then sends the cutting instruction to an operation terminal of a production field through a network interface. The invention can shorten the design time of the plate blank, save raw materials and is beneficial to the maintenance of a production system including design rules.
Description
Technical Field
The invention belongs to the field of design and production of steel tapping plate blanks of iron and steel enterprises, and particularly relates to a device and a method for designing a complex plate type collaborative plate blank of steel outgoing steel of a multi-production line of the iron and steel enterprises.
Background
The slab design is an important part in the production and arrangement of iron and steel enterprises, and is characterized in that under the condition of meeting the production process and rule constraints, rectangular sub-slabs are combined on a large rectangular slab, the specification of the slab is enabled to be as small as possible, and the slab design is essentially a rectangular layout optimization problem meeting the constraints. In the last 10 years, with the informatization development of manufacturing industry, the blank design problem of some steel enterprises is designed by mes (manufacturing Execution system), namely, manual semi-automatic design under a manufacturing Execution system is changed into blank design on a customer order daughter board by computer software, but the customer orders of the enterprises are in batch specification, are suitable for large-scale automatic production, and the plate types are only simple a plate type and S plate type, and can be designed by a single operator. However, with the increase of the order quantity of the customers and the increase of the size specification and shape, the existing systems of some steel enterprises are difficult to adapt to the requirements of the customers on multiple varieties, small batches and individuation on one hand, and on the other hand, the design confirmation time of a single operator is long, so that the requirements of the market cannot be met. In addition, with the updating of the plate cutting equipment of the enterprise, the carding updating of production lines, rules and the like, the enterprise also hopes that the design of the manually designed G-plate type, extended A-plate type, extended S-plate type and extended G-plate type plate blanks is also realized by the system. Therefore, the design of the complex plate type cooperative plate blank for steel products in the multi-production line of the iron and steel enterprises is the urgent need for solving the problem.
Therefore, a device and a method for designing complex plate type collaborative plate blanks of steel products from a multi-production line of an iron and steel enterprise are needed to be provided, so that collaborative design of the complex plate type multi-operation terminal of the multi-production line is realized, individual requirements of preference, multi-rule constraint and rolling yield of a designer are met, labor intensity of design and cutting personnel is reduced, working efficiency is improved, production management cost is reduced, and automation and intellectualization of plate production and cutting of the iron and steel enterprise are realized.
Disclosure of Invention
The invention aims to provide a device for designing complex plate type collaborative plate blanks of steel products produced by a multi-production line of an iron and steel enterprise aiming at the defects of the existing plate blank design software system, so as to solve the technical problems that the plate blank design of the existing iron and steel enterprise depends on manual field design, the existing system is only limited to single user operation, the design efficiency cannot meet the business requirements, and the automation and intelligence degree of plate production and design are low.
The first purpose of the invention is realized by the following technical scheme: the device for designing the complex plate type collaborative plate blank of the steel product produced by the steel enterprise multi-production line comprises a plurality of operation terminals (1), a steel plate blank designing unit (2) and a multi-core server (5); the multiple operation terminals (1) are connected with the multi-core server (5) through network interfaces (4), and the steel plate blank design unit (2) is connected with the multi-core server (5) through a machine interface (3); the multi-core server (5) comprises a multi-core processor including an input/output processor, a design rule base table, an order recording table and slab scheme memory, a slab scheme graph drawing and cutting instruction conversion and design rule base table maintenance module, a buffer memory and a design parameter selection module, and the steel outlet slab design unit (2) comprises a steel enterprise multi-production line steel outlet complex plate type multi-terminal cooperative slab design module and a bootstrap program; wherein:
(a) a plurality of operation terminals (1): the system comprises an input/output processor, a design parameter selection module and a design rule base table maintenance module which are electrically connected with a multi-core server (5) through a network interface (4), and is used for approving identity information and setting multi-production line complex plate type plate blank design parameters of multiple terminals, maintaining and modifying a design rule base table, displaying a confirmation request and confirming a design scheme of each plate type plate blank by a designer according to a drawn figure, and sending a 'cutting instruction conversion' instruction to the multi-core server;
(b) the buffer memory, the design rule base table, the order recording table and the slab scheme memory of the multi-core server (5), and the slab scheme graph drawing and cutting instruction conversion and design rule base table maintenance module: the system comprises a buffer memory, a design rule base table, an order recording table and a slab scheme memory, wherein the buffer memory is electrically connected with a multi-core server (5), and is used for temporarily storing order records, slab design rules, multi-terminal slab design parameters and design schemes;
(c) input and output handler of the multi-core server (5): the system is electrically connected with a plurality of operation terminals (1) through a network interface (4), on one hand, a scheme design instruction sent from the operation terminals (1) through the network interface (4) is received, a guiding program of a steel plate blank design unit (2) is started through a machine interface (3), a steel enterprise multi-production line of the unit is guided to output a steel complex plate type multi-terminal cooperative plate blank design module to a multi-core processor of a multi-core server (5) for parallel execution, plate blank design parameters set by each operation terminal, rules in a buffer memory of the multi-core server (5) and corresponding order sets are read into the multi-core processor for parallel plate blank design, the designed optimal plate blank scheme is stored in the buffer memory, and a scheme confirmation instruction is sent to each operation terminal; on the other hand, after a 'cutting instruction conversion' instruction sent by an operation terminal through a network interface (4) is captured, a slab scheme graph drawing, cutting instruction conversion and design rule base table maintenance module in the multi-core server (5) is read into a multi-core processor for execution, and the converted slab scheme cutting instruction is sent to the operation terminal of a production field through the network interface (4);
(d) the steel enterprise multi-production line of the steel plate blank design unit (2) is provided with a steel complex plate type multi-terminal cooperative plate blank design module: the multi-core processor which is guided to the multi-core server (5) by the guiding program through the machine interface (3) is executed in parallel, orders which are read from the input and output processor and extract corresponding production lines and attributes according to the parameters and the attributes are processed respectively, a candidate slab scheme set is generated by adopting different heuristic methods according to preset plate types, yield parameters and design rules of corresponding operation terminals, and an optimal slab design scheme is searched out according to different requirements.
The second purpose of the invention is to provide a design method of the complex plate type collaborative plate blank design device based on the steel enterprise multi-production line steel output, which comprises the realization of the collaborative operation of a plurality of operation terminals, the multi-production line steel output and the complex plate type based plate blank design; it comprises the following steps:
(1) a step of sending a 'slab design' instruction: the production planning department transmits the order set to an order record table memory of a multi-core server (5) through an MES system, and a user sends a 'slab design' instruction after approving identity information and confirming order record through each operation terminal through a network interface (4);
(2) the method comprises the following steps of starting and reading related data by a complex plate type multi-terminal collaborative plate blank design module of steel products produced by a steel enterprise on a multi-production line: after an input/output processor of the multi-core server (5) captures slab design instructions of a plurality of operation terminals (1), a bootstrap program of a steel slab design unit (2) is started through a machine interface (3), a complex steel slab type multi-terminal cooperation slab design module produced by a multi-production line of an iron and steel enterprise is guided to a multi-core processor of the multi-core server (5) to be executed, and a design rule base table and an order record table of the multi-core server (5) and an order and rule record in a slab scheme memory are read into a buffer memory of the multi-core server (5);
(3) the method comprises the following design steps of steel enterprise multi-production line steel outlet complex plate type multi-terminal cooperative plate blank: the multi-core processor of the multi-core server (5) is based on the rule record of a buffer memory, order records are divided according to production lines, a feasible mother board scheme set is calculated in parallel by adopting a hyper-heuristic method based on a complex board type, a candidate mother board scheme set is generated based on board blank parameters and rapid quality inspection parallel quality inspection, a virtual board blank scheme is reversely deduced, an optimal board blank scheme is searched out based on the preference of a designer, the optimal board blank scheme is stored in the buffer memory of the multi-core server (5) through an input and output processor of the multi-core server (5), and a scheme confirmation instruction is sent to a plurality of operation terminals (1) through a network interface (4);
(4) a slab scheme confirmation step: an operator displays and confirms the slab design scheme and the drawing graph in the buffer memory of the multi-core server (5) on a plurality of operation terminals (1) through a network interface (4), and sends a 'cutting instruction conversion' instruction to an input/output processor of the multi-core server (5);
(5) a cutting instruction conversion step: after an input/output processor of the multi-core server (5) captures a cutting instruction conversion instruction, a slab scheme graph drawing, cutting instruction conversion and design rule base table maintenance module is called into a multi-core processor of the multi-core server (5) to be executed, and a cutting instruction of a slab scheme is generated and then is sent to an operation terminal of a production field through a network interface (4).
Specifically, the multi-operation terminal collaborative slab design in the step (3) specifically includes the following steps:
firstly, after a user sends a 'plate blank design' instruction through a network interface (4) at an operation terminal, a plurality of users carry out 'identity check' on respective operation terminals, and operate a design parameter selection module of a multi-core server (5) to carry out 'plate blank design parameter' selection, wherein the selection comprises order steel grades, production lines, large plate types and yield parameters, and when an input and output processor of the multi-core server (5) checks that all terminals only carry out design on orders of the same steel grade, 'identity check' is finished;
secondly, calculating the slab scheme of each production line order for the multi-core processor of the multi-core server (5), and after scheme confirmation is displayed on the operation terminals (1), confirming the slab scheme corresponding to the production line order at the operation terminals by a plurality of operators.
Specifically, the complex plate type of step (3) includes a plate type A, a plate type S, a plate type G, and an extended plate type A, an extended plate type S, and an extended plate type G, wherein,
extension a2 board type: in A2 plate type, the width of order daughter board is not less than the width of crystallizer section or the order width range is set by user;
expansion S2 board type: in the S2 plate type, the gap-free constraint between the daughter boards in the length direction or the width direction is cancelled, and the gap range is set by an operator;
g plate type: the G plate type is suitable for cleaning a tail quantity order, gaps are allowed in the length direction and the width direction, no gap exists, strong restraint is realized, and the number of the daughter boards in the width direction and the length direction is the same;
the expansion G board type: the number of daughter boards allowed to differ in the length and width directions.
Specifically, the meta-heuristic method in step (3) specifically includes the following steps:
plate blank design of the plate type A and the plate type S, a feasible plate blank scheme based on the plate type A and the plate type S is constructed by backtracking, and a scheme qualified in quality inspection is added into a candidate plate blank scheme set;
secondly, for slab design of the expanded A2 slab type and the expanded S2 slab type, firstly, a feasible slab scheme set is constructed based on a slab forming rule, manual experience and order size neighborhood, and then under the condition of meeting the relative constraints of preference and each slab shortage, a scheme meeting the high yield target is selected based on a greedy strategy according to the slab combination similarity of the slab scheme to realize problem solving;
and thirdly, for the design of the G-plate type and the G-plate type expanded plate blank, constructing components of a virtual plate blank scheme solution and multiple neighborhoods of the components based on a backpack filling idea, obtaining a feasible solution space of the virtual plate blank scheme based on a multiple-neighborhood sliding search and dynamic adjustment strategy, generating multiple neighborhood solutions based on a plate blank priority strategy in the solution space, and continuously selecting and deleting the solution space through relevant constraints such as order matching and the like to obtain a final plate blank design scheme set.
Specifically, the step (3) of generating a candidate mother board scheme set based on the slab parameters and the rapid quality inspection parallel quality inspection and reversely deducing the virtual slab scheme specifically includes the following steps:
forming an order sub-board set by sequencing according to a group number i (i is 1,2, …);
and
are respectively provided withDisplay sub-board CiThickness, width, length, mass and thickness tolerance of P _ lj、P_wj、P_tj、P_wtjAnd P _ PjRespectively representing virtual slabs PjLength, width, thickness, weight and specific gravity of the slab, specification and parameter calculation of the slab are related to a combination design manner of the sub-slabs, and the virtual slab PjThe sub-board combination is shown as formula (1), IjU and v respectively represent a daughter board number set on the virtual slab, and a row number and a column number, row, of arrangementj、columnj、P_ρjAnd P _ sjRespectively a virtual slab PjThe number of rows and columns, the specific gravity and the burning loss rate of heating of the heating furnace;
Pj{Ci(u,v)|,i∈Ij,u＝1,2,…,rowj,v＝1,2,…,columnj} (1)；
secondly, combining into a virtual large plate according to the plate type and the design rule, and calculating the specification parameters of the plate blank by using formulas (2) to (4) for the sub-plate combination modes of different plate types, namely: the specification of the virtual large plate is calculated by combining the sub-plates of the plate group according to different design plate types and adding head, tail and head cutting parameters according to actual production, and then the virtual plate blank P is calculated by the formulas (5) and (6) respectivelyjReference yield P _ y ofjAnd yield P _ vj；
In the formula (2), H _ cutj、T_cutjAnd l _ cutjRespectively representing the head cutting amount, the tail cutting amount and the longitudinal cutting amount;
in the formula (3), MAX _ TRIMjAnd w _ cutjRespectively representing the maximum trimming amount and the transverse cutting amount;
for rapid quality inspection, due to plate type and design requirements, the width of the first daughter board on the virtual slab is the largest, the attribute of the virtual slab can be rapidly determined by taking the attribute as a reference, a large amount of invalid calculation is avoided, the width and the length of the slab are estimated through an axis contract, table lookup is carried out sequentially, repeated calculation of a plurality of daughter boards and repeated lookup comparison of each process attribute can be avoided, and the solving time is optimized.
Specifically, the designer preferences in step (3) include yield, delivery date, arrival post, receiving unit, ordering unit and amount of owed parts, and if a circulation edition order exists, the same special order appointed to the arrival post needs to be combined in the same slab; if the preference is met and the preference is set as a special contract, the optimal scheme is selected, wherein the optimal scheme contains the special contract and should meet the preferential selection, if the optimal scheme does not exist, the small-scale scheme is backtracked and traversed and solved according to the board type and the scheme solution scale, and the scheme solution meeting the actual requirement is selected based on greedy for the large-scale expanded complex slab; for G-plate type slab design, due to the complexity of its order to group slabs, dynamic solution space selection based on slab priority is employed.
The device and the method for optimally designing the steel tapping plate blank of the iron and steel enterprise have the advantages that: the collaborative design of the multi-production line complex plate type multi-operation terminal can be realized, the individualized requirements of preference, multi-rule constraint and rolling yield of designers are met, the labor intensity of design and cutting personnel is reduced, the working efficiency is improved, the production management cost is reduced, and the automation and the intellectualization of plate production and cutting of iron and steel enterprises are realized.
Drawings
Fig. 1 is a schematic structural block diagram of a complex plate type cooperative plate blank design device for steel products from a multi-production line of an iron and steel enterprise according to an embodiment of the present invention.
FIG. 2 is a block diagram of the flow of the method for designing the complex plate type cooperative plate blank for steel products from a multi-production line of an iron and steel enterprise according to the embodiment of the present invention.
Fig. 3 is a block diagram of a flow of a multi-terminal cooperative slab design module for a multi-production line steel complex plate shape in fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, the device for designing complex plate type cooperative plate blanks for steel products produced from a multi-production line of a steel enterprise in the embodiment includes a plurality of operation terminals 1, a steel plate blank designing unit 2 and a multi-core server 5; the multiple operation terminals 1 are connected with a multi-core server 5 through network interfaces 4, and the steel plate blank design unit 2 is connected with the multi-core server 5 through a machine interface 3; the multi-core server 5 comprises a multi-core processor including an input and output processor, a design rule base table, an order recording table and slab scheme storage, a slab scheme graph drawing and cutting instruction conversion and design rule base table maintenance module, a buffer storage and a design parameter selection module, and the steel outlet slab design unit 2 comprises a steel enterprise multi-production line steel outlet complex plate type multi-terminal cooperative slab design module and a guide program; wherein:
(a) the plurality of operation terminals 1: the system comprises an input/output processor, a design parameter selection module and a design rule base table maintenance module which are electrically connected with a multi-core server 5 through a network interface 4, are used for approving identity information and setting multi-production line complex plate type plate blank design parameters of multiple terminals, are used for maintaining and modifying a design rule base table, are used for displaying a confirmation request and a designer to confirm the design scheme of each plate type plate blank according to a drawn figure, and send a 'cutting instruction conversion' instruction to the multi-core server;
(b) a buffer memory, a design rule base table, an order recording table, a slab scheme memory and a slab scheme graph drawing, cutting instruction conversion and design rule base table maintenance module of the multi-core server 5: the buffer memory, the design rule base table, the order recording table and the slab scheme memory are electrically connected to the multi-core server 5, the buffer memory is used for temporarily storing order records, slab design rules, multi-terminal slab design parameters and design schemes, the design rule base table, the order recording table and the slab scheme memory are used for storing the rule base table, the MES production order pool and designed slab schemes, and the slab scheme graph drawing and cutting instruction conversion and design rule base table maintenance module is used for an operator to confirm the slab scheme, maintain the base table and generate cutting instructions for cutting the slabs by the cutting machine;
(c) input and output handler of the multi-core server 5: the system is electrically connected with a plurality of operation terminals 1 through a network interface 4, on one hand, a scheme design instruction sent from the operation terminals 1 through the network interface 4 is received, a guiding program of a steel plate blank design unit 2 is started through a machine interface 3, a steel enterprise multi-production line of the unit is guided to output a steel complex plate type multi-terminal cooperative plate blank design module to a multi-core processor of a multi-core server 5 for parallel execution, plate blank design parameters set by each operation terminal, rules in a buffer memory of the multi-core server 5 and a corresponding order set are read into the multi-core processor for parallel plate blank design, the designed optimal plate blank scheme is stored in the buffer memory, and a scheme confirmation instruction is sent to each operation terminal; on the other hand, after a 'cutting instruction conversion' instruction sent by an operation terminal through a network interface 4 is captured, a slab scheme graph drawing, cutting instruction conversion and design rule base table maintenance module in the multi-core server 5 is read into a multi-core processor for execution, and the converted slab scheme cutting instruction is sent to the operation terminal on a production field through the network interface 4;
(d) the steel enterprise of the steel tapping plate blank design unit 2 produces a steel complex plate type multi-terminal collaborative plate blank design module: the multi-core processor which is guided to the multi-core server 5 by the guiding program through the machine interface 3 is executed in parallel, orders which are read from the input and output processor and extract corresponding production lines and attributes according to the parameters and the attributes are processed respectively, a candidate slab scheme set is generated by adopting different heuristic methods according to preset plate types, yield parameters and design rules of corresponding operation terminals, and an optimal slab design scheme is searched out according to different requirements.
Referring to fig. 2, it is a flow chart of the design method of the complex plate type cooperative plate blank for steel production line of the iron and steel enterprise of this embodiment. The design method of the complex plate type cooperative plate blank for the steel products produced by the steel enterprise on the multi-production line comprises the following steps:
step S201, the production planning department confirms the order set to be produced and then transmits the order set to the design rule base table, the order recording table and the slab scheme memory of the multi-core server through the MES system;
step S202, a production designer approves identity information and confirms order records through a network interface by a multi-operation terminal, sends a 'slab design' instruction and calls a slab design parameter selection module of a multi-core server through the network interface;
step S203, the multi-core server captures a slab design instruction and sends a receiving instruction to a buffer memory of the multi-core server;
step S204, if the plurality of operation terminals receive the response of the server, the next step is carried out; otherwise, turning to step S203;
step S205, after receiving the response, the plurality of operation terminals send out the information of the terminals and the slab design parameters and store the information and the slab design parameters into a buffer memory;
step S206, the multi-core server distributes idle processors according to the information of a plurality of operation terminals;
step S207, if the distribution is successful, reading slab design parameters to a buffer memory according to information designed by a plurality of operation terminals, reading design rules and order records from a design rule base table, an order record table and a slab scheme memory to the buffer memory, sending a design scheme instruction to a multi-core server, and turning to the next step; if no idle processor exists, wait for the processor to idle, go to step 206;
step S208, the input/output processor of the multi-core server receives a design scheme instruction;
step S209, if the request is received, the next step is carried out; otherwise, go to step S208;
step S210, after the input/output processor receives the instruction, a bootstrap program of a steel plate blank design unit is started through a machine interface, and a steel complex plate shape multi-terminal cooperative plate blank design module output from a steel enterprise multi-production line is guided to a corresponding processor of a multi-core server to be executed;
step S211, the complex plate type multi-terminal cooperation plate blank design module of the steel product production line of the iron and steel enterprise reads plate blank design parameters, design rules and order records from the multi-core server buffer memory through each processor of the multi-core server;
step S212, the complex plate type multi-terminal collaborative plate blank design module for steel products produced by a multi-production line of the iron and steel enterprise divides order records according to production lines through a processor of a multi-core server based on design rules of a buffer memory, calculates a feasible plate combination scheme set of the complex plate type by adopting a hyper-heuristic parallel method based on the complex plate type, reversely deduces a virtual plate blank scheme based on plate blank parameters, and searches out an optimal plate blank scheme based on preference;
step S213, reading design parameters from a buffer memory by the multi-production line steel complex plate type multi-terminal cooperative plate blank design module, and searching an optimal plate blank design scheme from the candidate virtual plate blank scheme set based on design preference;
step S214, displaying the slab design scheme and the graphics obtained by each processor of the multi-core server on a plurality of operation terminals through network interfaces, simultaneously confirming by a plurality of operation designers, and sending a 'cutting instruction conversion' instruction to an input/output processor;
and S215, the input/output processor calls the slab scheme graph drawing, cutting instruction conversion and design rule base table maintenance module into a multi-core processor of the multi-core server for execution, generates a cutting instruction and then sends the cutting instruction to an operation terminal of a production field through a network interface, and simultaneously, the slab design scheme is stored in a design rule base table, an order recording table and a slab scheme memory, and the algorithm is finished.
Referring to fig. 3, it is a block flow diagram of a hyper-heuristic slab design module for multi-production line complex slab collaborative design in fig. 2, the module is based on different heuristic rules and strategies according to a preset slab type, and the algorithm includes the following steps:
step S301, obtaining the section, the yield, the plate type design parameter and the order record selected by an operator at an operation terminal from a buffer memory;
step S302, dividing the order record into a plurality of groups according to the production line of the order, wherein the production lines of each group are consistent, and processing the groups one by one according to the divided groups to realize the generation of multi-production line board blanks;
step S303, performing secondary division on the group orders after the production line is divided by adopting a divide-and-conquer strategy based on an attribute combination rule, and dividing the batch orders into n groups, wherein i is 1,2,.
Step S304, judging whether all the groups are processed, if i is less than n, turning to the next step; otherwise, go to step S314;
s305, judging whether slab designs of an A plate type and an S plate type exist according to a preset plate type, and if so, turning to the next step; otherwise, go to step S308;
step S306, based on the slab design parameters and the design rules, for the combination mode that the order of the group is traceably traversed, the head cut amount and the tail cut amount are added through calculating the combined slab parameters, then the quality inspection is carried out, and the qualified quality inspection is added into the scheme set to be selected;
step S307, backtracking and selecting an optimal scheme set meeting design requirements for the slab schemes of the candidate A plate type and the candidate S plate type according to the design requirements, and updating the order debt;
step S308, judging whether the slab design of the expansion A slab type and the expansion S slab type exists according to the preset version of the design parameter, and if so, turning to the next step; otherwise go to step S311;
step S309, based on the slab design parameters and the specification constraints of the expansion slab type, generating a sub-slab neighborhood for the group order set, searching the neighborhood to obtain a candidate slab meeting the production rules and the design requirements, carrying out quality inspection by adding the production parameters to reverse the slab parameters, and adding qualified quality inspection into a candidate slab scheme set;
step S310, selecting slab schemes meeting the requirements of high yield based on a greedy strategy according to design requirements for slab schemes of the candidate expansion A plate type and the expansion S plate type;
step S311, judging whether a plate blank design of a G plate type and an extended G plate type exists according to a preset plate type of the design parameters, and if so, turning to the next step; otherwise, go to step S304;
step S312, constructing a plurality of components of a G-plate type virtual plate blank scheme solution based on a knapsack idea, then constructing a plurality of neighborhoods of the components based on a production process and plate type requirements, combining the components along the length direction, constructing the virtual plate blank scheme solution by sliding search of the plurality of neighborhoods, adding a solution space to a similar solution with the same daughter board by combining a dynamic adjustment strategy and only keeping the solution with the highest yield;
step S313, generating a multi-neighborhood based on a slab priority strategy, continuously selecting and deleting a solution space to obtain a slab design scheme set, and turning to step S304;
step S314, confirming a slab pattern and a slab scheme set designed by the slab by an operator through a terminal, calling a slab scheme pattern drawing, cutting instruction conversion and design rule base table maintenance module, and generating a cutting instruction;
and step S315, storing the final slab design scheme and the corresponding cutting instruction, and finishing the algorithm.
Table 1 shows a table for recording parameters of a complex plate-type steel slab design at a plurality of operation terminals, where the table records include operator, operation time, preset plate type, slab yield of a normal a plate type and an S plate type, yield of a G plate type and an extended G plate type, delivery date, arrival post, contract number, …, extended order width range of a2 plate type, extended order gap specification of an S2 plate type, and the like, and is used for designing steel slabs with different requirements.
Table 1 slab design parameter recording header for multiple operation terminals
Table 2 shows an order record header, in which the order record information includes operator, operation time, order number, external grade, thickness, width, length, daughter board shortage, internal steel grade, delivery date, arrival post, production line number, …, rolling mode, crystallizer thickness, width, etc. for design of the steel slab.
Table 2 order form recording header
Table 3 shows a header of the slab design, in which records including operator, operation time, slab number, order number, type of plate assembly, order number, steel grade, slab yield, slab length, slab width, slab thickness, etc. are recorded for guiding the subsequent steel-making production.
Table 3 gauge head of slab design
Table 4 shows a header of a slab design pattern record, where the record includes operator, operation time, slab number, order number, type of assembled slab, row number, column number, order number, and the like, and is used to indicate a composition manner of the slab daughter board.
Table 4 header for recording design figure of plate blank
Table 5 shows a header of a slab design cutting record, where the record includes operator, operation time, slab number, order number, slab type, row number, column number, cutting sequence number, cutting mode, cutting line, steel type, and the like, and is used to indicate the cutting mode of the slab daughter board.
TABLE 5 header for slab design shear recording
Table 6 shows the results of the present invention comparing the results of the apparatus for designing slabs of the extended a2 plate type and the extended S2 plate type for a lot of order data of a certain steel company limited with the results of manually designing slabs of the extended a2 plate type and the extended S2 plate type for the same lot of order data.
Table 6 comparison of the results of the apparatus of the present invention with the results of the enterprise manual design for the extension a2 panel type and the extension S2 panel type slab designs
Table 7 shows the results of G-plate type slab design performed by the inventive apparatus on a batch of order data of a certain steel limited company compared with the results of G-plate type slab design performed manually on the same batch of order data.
Table 7 comparison of the inventive apparatus with results of manual G-plate type slab design for a batch of orders
Table 8.1 shows the results of multi-plate blank design of a batch of orders by the original software system, and table 8.1 shows the results of multi-plate blank design of the order data in table 8.1 by the apparatus of the present invention.
Table 8.1 comparison of results of multi-plate blank design for a batch of orders by the original software system.
Table 8.2 results of the multi-plate blank design performed by the apparatus of the present invention on the order data in table 8.1.
As can be seen from the data in table 7 and tables 8.1 and 8.2: the device can achieve better design results for an expansion A plate type, an expansion S plate type, a G plate type and an expansion G plate type. Therefore, the device can completely replace the original artificial design with low efficiency. In addition, the production plan can be well completed, a large amount of time can be saved, the plate assembling mode of the device is more flexible, diversified parameter setting is allowed to effectively face diversified requirements, diversified flexible plate assembling can be met for the design of the steel plate blank, the requirements of high yield, instantaneity of design and production and the requirement of multi-operation terminal collaborative design can be met, the design efficiency can be effectively improved, the flexible and diversified design mode can be realized, and the production and management cost can be reduced.
Claims (5)
1. The utility model provides a steel enterprise produces line and goes out steel complex plate type collaborative plate blank design device which characterized in that: the device comprises a plurality of operation terminals (1), a tapping material slab design unit (2) and a multi-core server (5); the multiple operation terminals (1) are connected with the multi-core server (5) through network interfaces (4), and the steel plate blank design unit (2) is connected with the multi-core server (5) through a machine interface (3); the multi-core server (5) comprises a multi-core processor including an input/output processor, a design rule base table, an order recording table and slab scheme memory, a slab scheme graph drawing and cutting instruction conversion and design rule base table maintenance module, a buffer memory and a design parameter selection module, and the steel outlet slab design unit (2) comprises a steel outlet complex plate type multi-operation terminal cooperation slab design module and a bootstrap program of a steel enterprise multi-production line; wherein:
(a) a plurality of operation terminals (1): the system comprises an input/output processor, a design parameter selection module and a design rule base table maintenance module which are electrically connected with a multi-core server (5) through a network interface (4), and is used for approving identity information and setting multi-production line complex plate type plate blank design parameters of multiple terminals, maintaining and modifying a design rule base table, displaying a confirmation request and confirming a design scheme of each plate type plate blank by a designer according to a drawn figure, and sending a 'cutting instruction conversion' instruction to the multi-core server; the cutting instruction conversion is to convert the rectangular coordinate information of the client daughter board on each plate blank into a machine instruction for cutting the client daughter board;
(b) the buffer memory, the design rule base table, the order recording table and the slab scheme memory of the multi-core server (5), and the slab scheme graph drawing and cutting instruction conversion and design rule base table maintenance module: the system comprises a buffer memory, a design rule base table, an order recording table and a slab scheme memory, wherein the buffer memory is electrically connected with a multi-core server (5), and is used for temporarily storing order records, slab design rules, multi-terminal slab design parameters and design schemes;
(c) input and output handler of the multi-core server (5): the system is electrically connected with a plurality of operation terminals (1) through a network interface (4), on one hand, a scheme design instruction sent from the operation terminals (1) through the network interface (4) is received, a guiding program of a steel plate blank design unit (2) is started through a machine interface (3), a steel enterprise multi-production line of the unit is guided to output a steel complex plate type multi-operation terminal cooperative plate blank design module to a multi-core processor of a multi-core server (5) for parallel execution, plate blank design parameters set by each operation terminal, rules in a buffer memory of the multi-core server (5) and corresponding order sets are read into the multi-core processor for parallel plate blank design, the designed optimal plate blank scheme is stored in the buffer memory, and a scheme confirmation instruction is sent to each operation terminal; on the other hand, after a 'cutting instruction conversion' instruction sent by an operation terminal through a network interface (4) is captured, a slab scheme graph drawing, cutting instruction conversion and design rule base table maintenance module in the multi-core server (5) is read into a multi-core processor for execution, and the converted slab scheme cutting instruction is sent to the operation terminal of a production field through the network interface (4);
(d) the steel enterprise multi-production line of the steel plate blank design unit (2) is provided with a steel complex plate type multi-operation terminal cooperative plate blank design module: a bootstrap program is guided to a multi-core processor of a multi-core server (5) through a machine interface (3) to execute in parallel, orders read from an input/output processor and extracted according to parameters and attributes to obtain corresponding production lines and attributes are processed respectively, a candidate slab scheme set is generated by adopting different heuristic methods according to preset plate types, yield parameters and design rules of corresponding operation terminals, and an optimal slab design scheme is searched out according to different requirements;
the heuristic method comprises a meta-heuristic method, and the meta-heuristic method specifically comprises the following steps:
plate blank design of the plate type A and the plate type S, a feasible plate blank scheme based on the plate type A and the plate type S is constructed by backtracking, and a scheme qualified in quality inspection is added into a candidate plate blank scheme set;
secondly, for slab design of the expanded A2 slab type and the expanded S2 slab type, firstly, a feasible slab scheme set is constructed based on a slab forming rule, manual experience and order size neighborhood, and then under the condition of meeting the relative constraints of preference and each slab shortage, a scheme meeting the high yield target is selected based on a greedy strategy according to the slab combination similarity of the slab scheme to realize problem solving;
and thirdly, for the design of the G-plate type and the G-plate type expanded plate blank, constructing components of a virtual plate blank scheme solution and multiple neighborhoods of the components based on a backpack filling idea, obtaining a feasible solution space of the virtual plate blank scheme based on a multiple-neighborhood sliding search and dynamic adjustment strategy, generating multiple neighborhood solutions based on a plate blank priority strategy in the solution space, and continuously selecting and deleting the solution space through relevant constraints such as order matching and the like to obtain a final plate blank design scheme set.
2. A design method of a complex plate type cooperative plate blank design device based on steel enterprises multi-production line steel output comprises the realization of cooperative operation of a plurality of operation terminals, multi-production line steel output and complex plate type based plate blank design; the method is characterized by comprising the following steps:
(1) a step of sending a 'slab design' instruction: the production planning department transmits the order set to an order record table memory of a multi-core server (5) through an MES system, and a user sends a 'slab design' instruction after approving identity information and confirming order record through each operation terminal through a network interface (4);
(2) the method comprises the following steps of starting and reading related data by a complex plate type multi-operation terminal of steel outgoing from a steel production line of a steel enterprise in cooperation with a plate blank design module: after an input/output processor of the multi-core server (5) captures slab design instructions of a plurality of operation terminals (1), a bootstrap program of a steel slab design unit (2) is started through a machine interface (3), a complex steel slab multi-operation terminal produced by a steel enterprise multi-production line is guided to a multi-core processor of the multi-core server (5) to be executed in cooperation with a slab design module, and a design rule base table and an order record table of the multi-core server (5) and an order and rule record in a slab scheme memory are read into a buffer memory of the multi-core server (5);
(3) the method comprises the following design steps of a complex plate type multi-operation terminal collaborative plate blank of steel products produced by a steel enterprise on a multi-production line: the multi-core processor of the multi-core server (5) is based on the rule record of a buffer memory, order records are divided according to production lines, a feasible mother board scheme set is calculated in parallel by adopting a hyper-heuristic method based on a complex board type, a candidate mother board scheme set is generated based on board blank parameters and rapid quality inspection parallel quality inspection, a virtual board blank scheme is reversely deduced, an optimal board blank scheme is searched out based on the preference of a designer, the optimal board blank scheme is stored in the buffer memory of the multi-core server (5) through an input and output processor of the multi-core server (5), and a scheme confirmation instruction is sent to a plurality of operation terminals (1) through a network interface (4);
(4) a slab scheme confirmation step: an operator displays and confirms the slab design scheme and the drawing graph in the buffer memory of the multi-core server (5) on a plurality of operation terminals (1) through a network interface (4), and sends a 'cutting instruction conversion' instruction to an input/output processor of the multi-core server (5); the cutting instruction conversion is to convert the rectangular coordinate information of the client daughter board on each plate blank into a machine instruction for cutting the client daughter board;
(5) a cutting instruction conversion step: after an input/output processor of the multi-core server (5) captures a cutting instruction conversion instruction, a slab scheme graph drawing, cutting instruction conversion and design rule base table maintenance module is called into a multi-core processor of the multi-core server (5) to be executed, and a cutting instruction of a slab scheme is generated and then is sent to an operation terminal of a production field through a network interface (4);
the complex plate type of step (3) comprises an A plate type, an S plate type, a G plate type, and an expanded A2 plate type, an expanded S2 plate type and an expanded G plate type, wherein,
extension a2 board type: in A2 plate type, the width of order daughter board is not less than the width of crystallizer section or the order width range is set by user;
expansion S2 board type: in the S2 plate type, the gap-free constraint between the daughter boards in the length direction or the width direction is cancelled, and the gap range is set by an operator;
g plate type: the G plate type is suitable for cleaning a tail quantity order, gaps are allowed in the length direction and the width direction, no gap exists, strong restraint is realized, and the number of the daughter boards in the width direction and the length direction is the same;
the expansion G board type: the allowable number of the daughter boards in the length direction is different from that in the width direction;
the step (3) of generating a candidate mother board scheme set based on the slab parameters and the rapid quality inspection parallel quality inspection and reversely deducing the virtual slab scheme specifically comprises the following steps:
forming an order sub-board set by sequencing according to a group number i (i is 1,2, …);
and
respectively showing sub-boards CiThickness, width, length, mass and thickness tolerance of P _ lj、P_wj、P_tj、P_wtjAnd P _ PjRespectively representing virtual slabs PjLength, width, thickness, weight and specific gravity of the slab, specification and parameter calculation of the slab are related to a combination design manner of the sub-slabs, and the virtual slab PjThe sub-board combination is shown as formula (1), IjU and v respectively represent a daughter board number set on the virtual slab, and a row number and a column number, row, of arrangementj、columnj、P_ρjAnd P _ sjRespectively a virtual slab PjThe number of rows and columns, the specific gravity and the burning loss rate of heating of the heating furnace;
Pj{Ci(u,v)|,i∈Ij,u＝1,2,…,rowj,v＝1,2,…,columnj} (1)；
secondly, combining into a virtual large plate according to the plate type and the design rule, and calculating the specification parameters of the plate blank by using formulas (2) to (4) for the sub-plate combination modes of different plate types, namely: the specification of the virtual large plate is calculated by combining the sub-plates of the plate group according to different design plate types and adding head, tail and head cutting parameters according to actual production, and then the virtual plate blank P is calculated by the formulas (5) and (6) respectivelyjReference yield P _ y ofjAnd yield P _ vj；
In the formula (2), H _ cutj、T_cutjAnd l _ cutjRespectively representing the head cutting amount, the tail cutting amount and the longitudinal cutting amount;
in the formula (3), MAX _ TRIMjAnd w _ cutjRespectively representing the maximum trimming amount and the transverse cutting amount;
P_tj＝tCi(1,1)+min{aCi(u,v)|1≤u≤rowj,1≤v≤columnj} (4)；
for rapid quality inspection, due to plate type and design requirements, the width of the first daughter board on the virtual slab is the largest, the attribute of the virtual slab can be rapidly determined by taking the attribute as a reference, a large amount of invalid calculation is avoided, the width and the length of the slab are estimated through an axis contract, table lookup is carried out sequentially, repeated calculation of a plurality of daughter boards and repeated lookup comparison of each process attribute can be avoided, and the solving time is optimized.
3. The design method of the steel enterprise multi-production line steel outlet complex plate type cooperative plate blank design device based on the claim 2 is characterized in that: the multi-operation terminal collaborative slab design in the step (3) specifically comprises the following steps:
firstly, after a user sends a 'plate blank design' instruction through a network interface (4) at an operation terminal, a plurality of users carry out 'identity check' on respective operation terminals, and operate a design parameter selection module of a multi-core server (5) to carry out 'plate blank design parameter' selection, wherein the selection comprises order steel grades, production lines, large plate types and yield parameters, and when an input and output processor of the multi-core server (5) checks that all terminals only carry out design on orders of the same steel grade, 'identity check' is finished;
secondly, calculating the slab scheme of each production line order for the multi-core processor of the multi-core server (5), and after scheme confirmation is displayed on the operation terminals (1), confirming the slab scheme corresponding to the production line order at the operation terminals by a plurality of operators.
4. The design method of the steel enterprise multi-production line steel outlet complex plate type cooperative plate blank design device based on the claim 2 is characterized in that: the meta-heuristic method in the step (3) specifically comprises the following steps:
plate blank design of the plate type A and the plate type S, a feasible plate blank scheme based on the plate type A and the plate type S is constructed by backtracking, and a scheme qualified in quality inspection is added into a candidate plate blank scheme set;
secondly, for slab design of the expanded A2 slab type and the expanded S2 slab type, firstly, a feasible slab scheme set is constructed based on a slab forming rule, manual experience and order size neighborhood, and then under the condition of meeting the relative constraints of preference and each slab shortage, a scheme meeting the high yield target is selected based on a greedy strategy according to the slab combination similarity of the slab scheme to realize problem solving;
and thirdly, for the design of the G-plate type and the G-plate type expanded plate blank, constructing components of a virtual plate blank scheme solution and multiple neighborhoods of the components based on a backpack filling idea, obtaining a feasible solution space of the virtual plate blank scheme based on a multiple-neighborhood sliding search and dynamic adjustment strategy, generating multiple neighborhood solutions based on a plate blank priority strategy in the solution space, and continuously selecting and deleting the solution space through relevant constraints such as order matching and the like to obtain a final plate blank design scheme set.
5. The design method of the steel enterprise multi-production line steel outlet complex plate type cooperative plate blank design device based on the claim 2 is characterized in that: the designer preference in the step (3) comprises yield, delivery date, arrival post, receiving unit, ordering unit and number of owed pieces, if a circulation edition order exists, the same special order appointed to the arrival post is satisfied, and the order and the owed pieces need to be combined in the same slab; if the preference is met and the preference is set as a special contract, the optimal scheme is selected, wherein the optimal scheme contains the special contract and should meet the priority selection, if the optimal scheme does not exist, the small-scale scheme is backtracked and traversed and solved according to the board type and the scheme solution scale, and the scheme solution meeting the actual requirement is selected for the large-scale expanded complex slab based on a greedy strategy; for G-plate type slab design, due to the complexity of its order to group slabs, dynamic solution space selection based on slab priority is employed.
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