CN110276545B - Medium-thickness plate blank design device and method for self-adaptive equipment of iron and steel enterprises - Google Patents
Medium-thickness plate blank design device and method for self-adaptive equipment of iron and steel enterprises Download PDFInfo
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Abstract
The invention discloses a device and a method for designing a medium plate blank of self-adaptive equipment of a steel enterprise. The design device mainly comprises an operation terminal, a medium plate blank design unit, an MES blank design service unit and a multi-core computer. The design method mainly comprises a step of sending a blank design instruction, a data transmission step, a step of designing a medium plate blank of self-adaptive equipment, a blank scheme confirmation step and a blank scheme transmission step. The invention solves the technical problems that the accurate yield is estimated manually, the individual demands of customers are difficult to meet, and the automation and the intelligent degree of the plate production and design are low due to the restriction of rolling and cutting adjustment equipment in the prior iron and steel enterprises.
Description
Technical Field
The invention belongs to the technical field of design and production of medium plate blanks of iron and steel enterprises, and particularly relates to a device and a method for designing a medium plate blank of self-adaptive equipment of an iron and steel enterprise.
Background
One of the key problems in the production and design of sheet materials in iron and steel enterprises is the design problem of blank schemes of customer orders, namely the problem of reverse layout of sheet material cutting. In recent 10 years, with the informatization development of manufacturing industry, part of blank design problems of iron and steel enterprises are changed from MES (Manufacturing Execution System), namely manual semi-automatic design under a manufacturing execution system, to blank design of a client ordering sheet by computer software, but the client orders of the enterprises are of batch specifications or the yield is as high as possible. However, some enterprises can only select the lumber recovery of the adapting equipment in order to adapt to the requirements of the rolling and cutting equipment, so that the lumber recovery is estimated manually through design experience, and then the lumber recovery is used for reversing the design scheme of the blank. The production characteristics of iron and steel enterprises are in contradiction with the requirements of customers on multiple varieties, small batches and individuation. Enterprises not only need to do strong business, but also hope to reduce cost and maximize economic benefit. Therefore, it is highly desirable to upgrade the system to achieve accurate pre-estimated yield, and the slab produced based on the slab scheme of yield back-push leaves proper edge cut and head-to-tail cut after rolling, so as to ensure that no unintended sheet binding is generated, and reduce the waste after shearing as much as possible. On the premise of not delaying the delivery period, the precise yield of the self-adaptive equipment is estimated by computer software based on knowledge records, and the blank design scheme of the complex order structure is intelligently optimized, so that the problem to be solved is still urgent.
Therefore, it is necessary to provide a device and a method for designing a medium plate blank of a self-adaptive device, which can meet the preference of a designer, the constraint of multiple rules and the requirement on the accurate yield of rolling and cutting equipment, so as to reduce the labor intensity of the designer, reduce the production cost, improve the working efficiency and realize the automation and the intellectualization of the production and the cutting of the plate of the iron and steel enterprise.
Disclosure of Invention
The first object of the present invention is to provide a device for designing a medium plate blank for a self-adaptive device of a steel enterprise, which aims at solving the technical problems that the accurate yield is estimated manually, the individual demands of customers are difficult to meet, and the automation and the intellectualization degree of the plate production and design are low because the steel enterprise is limited by the constraint of rolling and cutting adjustment equipment at present.
The first object of the invention is achieved by the following technical scheme: the device for designing the medium plate blank of the self-adaptive equipment of the iron and steel enterprise comprises an operation terminal, a medium plate blank designing unit, an MES blank designing service unit and a multi-core computer; the operation terminal and the MES blank design service unit are connected with the multi-core computer through a network interface; the medium plate blank design unit is connected with a multi-core computer through a machine interface; the multi-core computer comprises a multi-core computer processor including an input/output processor, a data receiving/transmitting and processing module, a knowledge scheme memory and a buffer memory, wherein the medium plate blank design unit comprises a steel enterprise self-adaptive medium plate blank design module and a guide program, and the MES blank design service unit comprises a data communication module, a blank scheme and order record memory and a design rule memory of an MES blank design service; wherein:
(a) And (3) an operation terminal: the input/output processor is electrically connected with the multi-core computer through a network interface and is used for displaying and confirming the design scheme of the medium plate blank by a designer;
(b) Buffer memory, knowledge scheme memory and data receiving and processing module of multi-core computer: the buffer memory and the knowledge scheme memory of the multi-core computer are electrically connected with the input/output processor, the buffer memory is used for storing order records, design rules and blank schemes, and the knowledge scheme memory is used for storing design schemes of historical orders, including manual blank design schemes; on one hand, the data receiving and transmitting and processing module of the multi-core computer captures a scheme transmitting instruction of the input and output processor, transmits a scheme receiving instruction to the data communication module of the MES blank design service unit through the network interface after responding, and transmits a blank scheme in the buffer memory of the multi-core computer after receiving the response; on the other hand, capturing a data receiving instruction sent by a data communication module of the MES blank design service unit, storing the received design rule and order record into a buffer memory of the multi-core computer after response, and sending a scheme design request to an input/output processor of the multi-core computer;
(c) Input/output processor of multi-core computer: the system is electrically connected with an operation terminal through a network interface, and after receiving a scheme design instruction sent from a data receiving-transmitting and processing module of a multi-core computer, a machine interface is used for starting a guiding program of a medium plate blank design unit to guide the medium plate blank design module of self-adaptive equipment of an iron and steel enterprise to be executed by a multi-core processor of the multi-core computer; reading a knowledge scheme in a knowledge scheme memory of the multi-core computer into a buffer memory of the multi-core computer; storing a blank scheme of the medium plate blank design program of the self-adaptive equipment of the steel enterprise of the medium plate blank design unit into a buffer memory of a multi-core computer, and sending a scheme sending request to a data receiving and transmitting and processing module;
(d) Self-adaptive medium plate blank design module of steel enterprises of medium plate blank design units: firstly, estimating the yield of order records based on knowledge records in a buffer memory of a multi-core computer, selecting a crystallizer section which is suitable for the order records, and reversely pushing out a candidate blank scheme set of the order according to blank design rules by adopting a heuristic method based on knowledge, thereby searching out an optimal blank design scheme;
(e) MES blank design service unit: the data communication module of the MES blank design service unit is electrically connected with the multi-core computer through a network interface, on one hand, the 'blank design' instruction sent by a designer of a production department is captured in the MES system, the 'data receiving' instruction is sent to the data receiving and sending and processing module of the multi-core computer through the network interface, and after receiving the response, the order record memory of the MES blank design service unit, the design rules and the order records in the design rule memory are sent out; on the other hand, a scheme receiving instruction sent by a data receiving and processing module of the multi-core computer is captured, a blank design scheme is received after the response, and the blank design scheme is stored in a blank scheme memory of an MES blank design service unit.
The second object of the present invention is to provide a method for designing a medium plate blank for a steel enterprise adaptive device based on the medium plate blank designing apparatus for a steel enterprise adaptive device, comprising the steps of:
1) Issuing a blank design command step: a designer of a production department confirms a current day order issued by a planning department from an order record memory of an MES blank design service unit, and sends a blank design instruction to a data communication module of the MES blank design service unit;
2) A data transmission step:
(a) After capturing a blank design instruction sent by a production department designer on an MES system, a data communication module of an MES blank design service unit sends a receiving instruction to a data receiving and sending and processing module of a multi-core computer through a network interface, and after receiving a response, the data communication module sends out design rules and order records in an order record memory and a design rule memory of the MES blank design service unit;
(b) The data receiving and transmitting and processing module of the multi-core computer receives the design rules and the order records, stores the design rules and the order records into a buffer memory of the multi-core computer, and sends a design scheme instruction to the multi-core computer;
3) The design step of the medium plate blank of the self-adaptive equipment comprises the following steps:
(a) After receiving a design scheme instruction, an input/output processor of the multi-core computer starts a guide program of a medium plate blank design unit through a machine interface, and reads design rules and order records and knowledge schemes in a buffer memory and a knowledge scheme memory of the multi-core computer of a medium plate blank design module of self-adaptive equipment into a processor of the multi-core computer;
(b) The medium plate blank design module of the self-adaptive equipment estimates the yield of the order record by adopting a method combining statistics and fitting based on a knowledge scheme, recommends and selects a crystallizer section based on a knowledge section, and further reversely deduces a candidate blank scheme set of the order by adopting a heuristic method based on knowledge according to the design rule of the blank and the estimated yield, and searches out an optimal blank design scheme;
(c) The input/output processor of the multi-core computer stores the optimal blank design scheme into the buffer memory of the multi-core computer;
4) A blank scheme confirming step: the production department designer displays and confirms the optimal blank design scheme in the buffer memory of the multi-core computer on the operation terminal through the machine interface, and sends a scheme sending instruction to the data receiving and sending and processing module of the multi-core computer;
5) Blank scheme conveying step: the data receiving and transmitting and processing module of the multi-core computer captures that the input and output processor sends a scheme sending command and sends a scheme receiving command to the data communication module of the MES blank design service unit; after the data communication module of the MES blank design service unit responds, receiving the optimal blank design scheme sent by the data receiving and transmitting and processing module of the multi-core computer, and storing the optimal blank design scheme into the blank scheme memory of the MES blank design service unit.
Specifically, the method for estimating the yield of the order records by adopting the method combining statistics and fitting in the step (b) of the step 3) includes the following steps:
(1) the calculation formula of the formation yield is recorded based on blank design knowledge and knowledge scheme of the designer as formula (1):
in the formula (1), h, w and l respectively represent the sum of the designed blank thickness, width and daughter board length; Δh represents the thickness margin; s is burning loss; beta 1 And beta 2 Is two parameters, which are related to the section, thickness and width of the order steel grade and design schemeRelated to; r is estimated yield;
(2) the knowledge records are divided into n classes according to the production line, the steel grade, the thickness and the width, and the n of the ith class (i=1, 2, …, n) i The knowledge records are combined into I i For each of the formulas (1), I is calculated i Parameter beta of group 1v And beta 2v (v＝1,2,…,I i ) Two intervals A0.5×mimbeta are taken 1v ,1.5×maxβ 1v ]And B [0.5×mimbeta ] 2v ,1.5×maxβ 2v ]；
(3) Calculating the ith class n by the formula (1) with each combination of the A and B interval values given step length i Yield y of knowledge records tj (j＝1,2,...,n i ) Yield y recorded by equation (2) and stored knowledge j (j＝1,2,...,n i ) Calculating lambda using a set of A and B interval values beta that minimizes lambda A And beta B Calculating the yield and estimating the yield as the order;
specifically, the method for recommending a knowledge-based section according to step 2) includes the following steps:
(1) knowledge refers to blank design of each type of order by adopting the same section, and knowledge records, namely blank design schemes of historical orders, including manual blank design schemes;
(2) the recommendation strategy is to determine which section to use for blank design according to the available sections of the iron and steel enterprises and the attribute of the order, if a plurality of sections are available for selection, the section with the highest use frequency in the knowledge record is adopted, and after the result blank design is calculated, the scheme is updated to the knowledge record.
Specifically, the knowledge-based heuristic method adopted in step (b) of step 3) comprises the following steps:
(1) dividing the order record into three parts of double non-fixed (namely, neither fixed length nor fixed width), fixed width, non-fixed length, fixed width and fixed length orders, and determining the rolling width according to the production convention and the width range;
(2) dividing orders into P types according to steel types, thickness and width, merging orders with the same attribute into one order, recommending a section of each type of order, grouping the orders with fixed width, non-fixed length and fixed length according to threshold values of width differences, and decomposing the original large-scale blank design problem into a plurality of mutually independent small-scale problems; estimating the yield of the orders based on knowledge recording and statistics combined with fitting for each type of order, and executing the steps (3) - (5);
(3) for each group of fixed-width non-fixed-length orders with a given length range, calculating the number of sub-boards sub by using the upper limits of weight, width and length, and rounding up the number of sub-boards to be the number of sub-boards max Reuse of sub max The length of the reverse clippers;
(4) for each group of orders, reversely pushing a candidate blank scheme set by adopting a backtracking strategy based on the estimated yield and the selected section, and searching out an optimal blank design scheme according to the preference of a designer;
(5) for a double indefinite order, the delivery weight range is determined by the order weight M (1.+ -. 10%) [ M (1-10%), M (1+10%)]Blank scheme is designed by taking the upper limit as far as possible and the number of the sub-boards as far as possible, and according to the selected section and the calculated rolling width, and given order thickness speed and length range [ Len ] min ,Len max ]Calculating the number of Sub-boards from the Sub-boards (3) and (4) min ,Sub max ]Searching out the optimal subplate length of the non-contract according to the subplate number and the upper limit of the delivery weight, and searching out a blank design scheme;
Sub min ＝|| M(1-10％)/(ρ×Len max ×thick×width) || min (3)；
Sub max ＝|| M(1+10％)/(ρ×Len min ×thick×width) || max (4)；
wherein ρ is a steel density constant, I.I. | min And|| I max Representing a downward and upward rounding, respectively.
Specifically, the designer preference of step (4) includes yield, delivery period, and under-count; if the preference is set to be the yield, when the optimal scheme is selected, the scheme with higher yield is prioritized; the preference is set as a delivery date, and a scheme close to the delivery date is selected preferentially when the scheme is selected; the preference is set to the owed number, and then each order is preferably digested completely.
The invention has the beneficial effects that: the automatic rolling and cutting device can meet the requirements of designer preference and multiple rules constraint and accurate yield of rolling and cutting equipment, reduces labor intensity of the designer, reduces production cost, improves working efficiency, realizes automation and intellectualization of plate production and cutting of iron and steel enterprises, and is convenient to maintain.
Drawings
Fig. 1 is a schematic structural view of a device for designing a medium plate blank for an adaptive device of an iron and steel enterprise according to an embodiment of the present invention.
FIG. 2 is a block flow diagram of a method for designing a medium plate blank for an adaptive device for a steel enterprise according to an embodiment of the present invention.
FIG. 3 is a block flow diagram of the statistics and fit combined method of FIG. 2 for estimating a yield.
Fig. 4 is a block flow diagram of the knowledge-based heuristic blank design module of fig. 2.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
Referring to fig. 1, the medium plate blank designing apparatus of the self-adapting device for the iron and steel enterprises of the embodiment of the present invention includes an operation terminal 1, a medium plate blank designing unit 2, an MES blank designing service unit 4, and a multi-core computer 6; the operation terminal 1 and the MES blank design service unit 4 are connected with the multi-core computer 6 through the network interface 5; the medium plate blank design unit 2 is connected with the multi-core computer 6 through the machine interface 3; the multi-core computer 6 comprises a multi-core computer processor including an input/output processor, a data receiving/transmitting and processing module, a knowledge scheme memory and a buffer memory, the medium plate blank design unit 2 comprises a steel enterprise self-adaptive medium plate blank design module and a guide program, and the MES blank design service unit 4 comprises a data communication module, a blank scheme and order record memory and a design rule memory of an MES blank design service; wherein:
(a) Operation terminal 1: the input/output processor is electrically connected with the multi-core computer 6 through the network interface 5 and is used for displaying and confirming the design scheme of the medium plate blank by a designer;
(b) Buffer memory, knowledge scheme memory, and data transceiving and processing module of the multi-core computer 6: the buffer memory and the knowledge scheme memory of the multi-core computer 6 are electrically connected with the input/output processor, the buffer memory is used for storing order records, design rules and blank schemes, and the knowledge scheme memory is used for storing design schemes of historical orders, including manual blank design schemes; on one hand, the data receiving and transmitting and processing module of the multi-core computer 6 captures a scheme sending instruction of the input/output processor, sends a scheme receiving instruction to the data communication module of the MES blank design service unit 4 through the network interface 5 after responding, and sends a blank scheme in the buffer memory of the multi-core computer 6 after receiving the response; on the other hand, capturing a data receiving instruction sent by a data communication module of the MES blank design service unit 4, storing the received design rule and order record into a buffer memory of the multi-core computer 6 after response, and sending a scheme design request to an input/output processor of the multi-core computer 6;
(c) Input/output processor of the multi-core computer 6: the system is electrically connected to the operation terminal 1 through a network interface 5, and after receiving a scheme design instruction sent from a data receiving-transmitting and processing module of the multi-core computer 6, the system starts a guide program of the medium plate blank design unit 2 through a machine interface to guide the medium plate blank design module of the self-adaptive equipment of the iron and steel enterprise to be executed by a multi-core processor of the multi-core computer 6; reading the knowledge scheme in the knowledge scheme memory of the multi-core computer 6 into the buffer memory of the multi-core computer 6; storing a blank scheme of the medium plate blank design program of the self-adaptive equipment of the steel enterprises of the medium plate blank design unit 2 into a buffer memory of the multi-core computer 6, and sending a scheme sending request to a data receiving and transmitting and processing module;
(d) Self-adaptive medium plate blank design module of steel enterprises of the medium plate blank design unit 2: firstly, estimating the yield of order records based on knowledge records in a buffer memory of a multi-core computer 6, selecting a crystallizer section which is suitable for the order records, reversely pushing out a candidate blank scheme set of the order according to blank design rules by adopting a heuristic method based on knowledge, and searching out an optimal blank design scheme from the candidate blank scheme set;
(e) MES blank design service unit 4: the data communication module of the MES blank design service unit 4 is electrically connected with the multi-core computer 6 through the network interface 5, on one hand, captures a blank design instruction sent by a production department designer in the MES system, sends a data receiving instruction to the data receiving and processing module of the multi-core computer 6 through the network interface, and sends out the design rules and order records in the order record memory and the design rule memory of the MES blank design service unit 4 after receiving the response; on the other hand, the scheme receiving instruction sent by the data receiving and processing module of the multi-core computer 6 is captured, the blank design scheme is received after the response, and the blank design scheme is stored in the blank scheme memory of the MES blank design service unit 4.
Referring to fig. 2, a flow chart of a method for designing a medium plate blank of an adaptive device for an iron and steel enterprise according to an embodiment of the invention is shown. The method comprises the following steps:
step S201: the planning department transmits the current order from the MES system to an order record memory of an MES blank design service unit;
step S202: after confirming the current order, the production department designer sends a blank design instruction to a data communication module of an MES blank design service unit on an MES system;
step S203: the data communication module of the MES blank design service unit captures a blank design instruction from an MES system;
step S204: the data communication module of the MES blank design service unit sends a receiving instruction to the data receiving and transmitting and processing module of the multi-core computer through a network interface;
step S205: if the data communication module of the MES blank design service unit receives the response, turning to the next step; otherwise, go to step S204;
step S206: the data communication module in the MES blank design service unit sends out the design rules and the order records in the memory of the MES blank design service unit; the data receiving and transmitting and processing module of the multi-core computer receives the design rules and the order records, stores the design rules and the order records into a buffer memory of the multi-core computer, and sends a design scheme instruction to the multi-core computer;
step S207: the input/output processor of the multi-core computer receives a scheme design instruction;
step S208: if the request is received, turning to the next step; otherwise, go to step S207;
step S209: the input/output processor of the multi-core computer starts a guiding program of the medium plate blank designing unit through a machine interface, and guides a medium plate blank designing module of the self-adaptive equipment of the iron and steel enterprise to the multi-core processor of the multi-core computer for execution;
step S210: the medium plate blank design module of the self-adaptive equipment of the iron and steel enterprise finishes knowledge scheme data reading in a knowledge scheme memory of a multi-core computer, utilizes the knowledge scheme in the knowledge scheme memory and design rules of a multi-core computer buffer memory, adopts a method of combining statistics and fitting to estimate the yield of blank design recorded by an order of the multi-core computer buffer memory, and selects a crystallizer section;
step S211: the medium plate blank design module of the self-adaptive equipment of the iron and steel enterprise reversely pushes out a candidate blank scheme set of the order based on knowledge and rules;
step S212: and the medium plate blank design module of the self-adaptive equipment of the iron and steel enterprise searches out an optimal blank design scheme from the candidate blank scheme set according to the preference of a designer, and the optimal blank design scheme is stored into the buffer memory by the input/output processor.
Step S213: the designed blank scheme is displayed on an operation terminal, and a production department designer confirms and sends out a scheme sending instruction;
step S214: after capturing the 'send' instruction, the data receiving and transmitting and processing module sends a 'receive' instruction to the MES service unit and waits for the response of the MES blank design service unit;
step S215: if the response of the other party is received, the designed blank scheme is sent, and the step S216 is carried out; otherwise, go to step S214 to continue waiting for the response;
step S216: the data communication module of the MES blank design service unit receives the blank design scheme sent by the multi-core computer data receiving and transmitting and processing module, stores the blank design scheme into the scheme record memory and finishes the algorithm.
Referring to fig. 3, a flow chart of the statistics and fitting combined method estimated yield module in step S210 of fig. 2 is shown. The module estimates the yield of the order records based on the blank design rules and the knowledge records, and the algorithm comprises the following steps:
step S31: and (3) constructing a yield calculation formula based on blank design knowledge and knowledge scheme records of a designer, wherein the yield calculation formula is as follows (1):
in the formula (1), beta 1 And beta 2 Two parameters related to the thickness, width and selected section of the order steel grade and design; wherein h represents the thickness of the design slab; w represents the width of the design slab; l represents the sum of the length of the blank sheet; Δh represents the thickness margin; s is burning loss; r is estimated yield;
step S32: dividing knowledge records into n classes according to production line, steel grade, order thickness and width, and recording n in the ith class i I=1, 2,..n, taking i=1;
step S33: combining records in the I-th class knowledge into I i For, calculate I i Group parameter beta 1v And beta 2v ，v＝1,2,…,I i ；
Step S34: with I i Group parameter beta 1v And beta 2v ，v＝1,2,…,I i Two intervals A [0.5×mim { beta ] 1v },1.5×max{β 1v }]And B [0.5×mimbeta ] 2v ,1.5×maxβ 2v ]；
Step S35: given the step size of intervals A and B, using A and BEach combination of B interval values is calculated by the formula (1) as the ith class n i Yield y of knowledge records tj ，j＝1,2,…,n i ；
Step S36: for each combination of A and B interval values, λ is calculated using formula (2), where y j (j＝1,2,…,n i ) For n stored i Recording the yield of the knowledge;
step S37: finding a set of A and B interval values beta that minimizes lambda A And beta B By beta A And beta B Estimating the yield of the ith order;
step S38: if i > n, the algorithm ends, otherwise i is incremented by 1, turning to step S33.
Referring to fig. 4, a block flow diagram of the knowledge-based heuristic calculation of the optimal blank design in step S212 of fig. 2 is shown. The module reversely pushes out a candidate blank scheme set of the order according to the blank design rule and the estimated yield, and searches out an optimal blank design scheme from the scheme set. The algorithm comprises the following steps:
step S401: separating double indefinite orders from the orders to be designed, and determining the rolling width according to the production convention and the width range;
step S402: dividing the order into P classes according to the steel grade, thickness and width;
step S403: combining orders with the same attribute in the similar orders into one order, combining the undernumber, setting an identification mark, and recommending a crystallizer section for each type of order, wherein i=1;
step S404: judging whether the order is a double indefinite order, if not, turning to step S405, otherwise turning to step S413;
step S405: estimating the yield of the class i orders by adopting a method based on knowledge recording and combining statistics and fitting;
step S406: classifying class i orders into Q according to a width difference threshold i A group;
step S407: searching whether an order with a fixed width and a variable length exists, if so, turning to step S408, otherwise turning to step S409;
step S408: for an order with a fixed width and an indefinite length, calculating the number of sub-boards by using upper limits of weight, width and length, and rounding up the number of sub-boards to be the number of sub-boards max Reuse of sub max The length of the reverse clippers is changed to step S407;
step S409: back-pushing the candidate blank scheme set by a backtracking method;
step S410: searching an optimal design scheme from the obtained candidate blank scheme set according to the preference setting of a designer to obtain a design result;
step S411: saving a blank design result scheme, j++; turning to step S412;
step S412: if it is
Step S407 is shifted, otherwise step S418 is shifted;
step S413: for a double indefinite order, determining the delivery weight range to be [ M-10%, M+10% ] according to the order weight M (1+/-10%);
step S414: thickness thick, width, weight range [ M (1-10%), M (1+10%)]Given length range [ Len min ,Len max ]Calculating the number of Sub-boards from the Sub-boards (3) and (4) min ,Sub max ]：
Sub min ＝|| M(1-10％)/(ρ×Len max ×thick×width) || min (3)；
Sub max ＝|| M(1+10％)/(ρ× Len min ×thick×width) || max (4)；
Wherein ρ is a steel density constant, I.I. | min And|| I max Respectively denote downward and upward rounding;
step S415: decreasing from the minimum number of the sub-boards to find the optimal sub-board length meeting the weight range;
step S416: generating and storing a candidate blank design scheme set by taking the optimal sub-board length as the sub-board length of the double indefinite orders;
step S417: judging whether the next order exists, if so, turning to step S413, otherwise turning to S418;
step S418: and (3) saving the blank design result scheme, i++, if i > P, ending the algorithm, and otherwise, turning to step S404.
The following is the structure and field name information of a certain iron and steel enterprise customer order, knowledge record, blank design rolling length configuration and designed blank scheme table, and the device of the invention is compared with the blank design result of the customer order manually.
Table 1 is a double-fixed (i.e., fixed width and fixed length) order record header, in which order record information including plan number, order number, steel grade, thickness, width, length, …, number of sub-boards, weight, etc. is used for designing medium plate blanks.
Table 1 double order record header
The table 2 is a fixed-width and non-fixed-length order record header, and order record information in the table comprises a plan number, an order number, a steel grade, a thickness, a width, a minimum length, a maximum length, a weight and the like, and is used for designing the medium plate blank.
Table 2 fixed width and non-fixed length order record header
Table 3 is a table header of a double indefinite order record, in which order record information including plan number, order number, steel grade, thickness, minimum width, maximum width, minimum length, maximum length, weight, etc. is used for designing a medium plate blank.
Table 3 double indefinite order record header
Table 4 is a knowledge record header in which knowledge record information including steel grade, thickness, width, combined length, section thickness, section length, yield, number of times of section use, etc. is recorded for yield prediction of order record.
Table 4 knowledge base records of partial steel grades
| Steel grade | Thickness of (L) | Width of (L) | Length of combination | Thickness of cross section | Cross section length | Yield of finished product | Number of times |
Table 5 is a blank design plan header of the order, in which blank plan information including order number, thickness, width, length, total length and total weight of the order daughter board, thickness, width, length and number of blocks of the blank, yield is recorded for cutting the order daughter board of the customer.
Table 5 blank design plan header for order
Table 6 configures a header for the blank design rolling length, in which blank design rolling length information including lower and upper limits of thickness, lower and upper limits of width and correspondence of rolling length is recorded.
Table 6 blank design rolling length configuration table
Table 7 is order data for a certain steel company and the apparatus of the present invention is compared with a manual calculation scheme.
TABLE 7 comparison of the inventive apparatus of certain iron and Steel Limited with the design results of Manual design on a batch of orders
Table 8 shows the order data of a certain iron and steel group Co., ltd and the comparison of the present invention with a manual calculation scheme.
TABLE 8 comparison of the inventive apparatus of certain iron and Steel Limited with the design results of Manual design on a batch of orders
Table 9 is order data for a certain steel company and the apparatus of the present invention is compared with a manual calculation scheme.
TABLE 9 comparison of the inventive apparatus of certain iron and Steel Co., ltd. With the design results of manual design on a batch of orders
As can be seen from the result data, the device and the method provided by the invention have higher comprehensive yield than manual design, and the calculation time is obviously reduced.
Claims (4)
1. A method for designing a medium plate blank of self-adaptive equipment of an iron and steel enterprise, wherein a medium plate blank designing device of the self-adaptive equipment of the iron and steel enterprise comprises an operation terminal (1), a medium plate blank designing unit (2), an MES blank designing service unit (4) and a multi-core computer (6); the operation terminal (1) and the MES blank design service unit (4) are connected with the multi-core computer (6) through the network interface (5); the medium plate blank design unit (2) is connected with the multi-core computer (6) through the machine interface (3); the multi-core computer (6) comprises a multi-core computer processor, a data receiving, transmitting and processing module, a knowledge scheme memory and a buffer memory, wherein the multi-core computer processor comprises an input/output processor, the medium plate blank design unit (2) comprises a steel enterprise self-adaptive medium plate blank design module and a guide program, and the MES blank design service unit (4) comprises a data communication module, a blank scheme, an order record memory and a design rule memory of an MES blank design service; wherein:
(a) Operation terminal (1): the input/output processor is electrically connected with the multi-core computer (6) through the network interface (5) and is used for displaying and confirming the design scheme of the medium plate blank by a designer;
(b) Buffer memory, knowledge scheme memory and data receiving and processing module of the multi-core computer (6): the buffer memory and the knowledge scheme memory of the multi-core computer (6) are electrically connected with the input/output processor, the buffer memory is used for storing order records, design rules and blank schemes, and the knowledge scheme memory is used for storing design schemes of historical orders, including manual blank design schemes; on one hand, the data receiving and transmitting and processing module of the multi-core computer (6) captures a scheme transmitting instruction of the input/output processor, and transmits a scheme receiving instruction to the data communication module of the MES blank design service unit (4) through the network interface (5) after the response, and transmits a blank scheme in the buffer memory of the multi-core computer (6) after the response is received; on the other hand, capturing a data receiving instruction sent by a data communication module of the MES blank design service unit (4), storing received design rules and order records into a buffer memory of the multi-core computer (6) after responding, and sending a scheme design request to an input/output processor of the multi-core computer (6);
(c) An input/output processor of a multi-core computer (6): the system is electrically connected to the operation terminal (1) through the network interface (5), and after receiving a scheme design instruction sent from a data receiving-transmitting and processing module of the multi-core computer (6), the system starts a guide program of the medium plate blank design unit (2) through the machine interface to guide the medium plate blank design module of the self-adaptive equipment of the iron and steel enterprise to be executed by a multi-core processor of the multi-core computer (6); reading a knowledge scheme in a knowledge scheme memory of the multi-core computer (6) into a buffer memory of the multi-core computer (6); storing a blank scheme of the medium plate blank design program design of the self-adaptive equipment of the steel enterprises of the medium plate blank design unit (2) into a buffer memory of a multi-core computer (6), and sending a scheme sending request to a data receiving and transmitting and processing module;
(d) The steel enterprise self-adaptive medium plate blank design module of the medium plate blank design unit (2): firstly, estimating the yield of order records based on knowledge records in a buffer memory of a multi-core computer (6), selecting a crystallizer section which is suitable for the order records, reversely pushing out a candidate blank scheme set of the order according to blank design rules by adopting a heuristic method based on knowledge, and searching out an optimal blank design scheme from the candidate blank scheme set;
(e) MES blank design service unit (4): the data communication module of the MES blank design service unit (4) is electrically connected with the multi-core computer (6) through the network interface (5), on one hand, captures a blank design instruction sent by a designer of a production department in an MES system, sends a data receiving instruction to the data receiving and sending and processing module of the multi-core computer (6) through the network interface, and sends out a design rule and an order record in an order record memory and a design rule memory of the MES blank design service unit (4) after receiving the response; on the other hand, a scheme receiving instruction sent by a data receiving and processing module of the multi-core computer (6) is captured, a blank design scheme is received after the response, and the blank design scheme is stored in a blank scheme memory of the MES blank design service unit (4);
the method is characterized by comprising the following steps of:
1) Issuing a blank design command step: a designer of a production department confirms a current day order issued by a planning department from an order record memory of an MES blank design service unit (4), and sends a blank design instruction to a data communication module of the MES blank design service unit (4);
2) A data transmission step:
(a) After capturing a blank design instruction sent by a designer of a production department on an MES system, a data communication module of an MES blank design service unit (4) sends a receiving instruction to a data receiving and processing module of a multi-core computer (6) through a network interface (5), and after receiving a response, design rules and order records in an order record memory and a design rule memory of the MES blank design service unit (4) are sent;
(b) The data receiving and transmitting and processing module of the multi-core computer (6) receives the design rules and the order records, stores the design rules and the order records into a buffer memory of the multi-core computer (6), and sends out a design scheme instruction to the multi-core computer (6);
3) The design step of the medium plate blank of the self-adaptive equipment comprises the following steps:
(a) After an input/output processor of the multi-core computer (6) receives a design scheme instruction, a guide program of a medium plate blank design unit (2) is started through a machine interface (3), and design rules and order records and knowledge schemes in a buffer memory and a knowledge scheme memory of the multi-core computer (6) and a medium plate blank design module of self-adaptive equipment are read into a processor of the multi-core computer (6);
(b) The medium plate blank design module of the self-adaptive equipment estimates the yield of the order record by adopting a method combining statistics and fitting based on a knowledge scheme, recommends and selects a crystallizer section based on a knowledge section, and further reversely deduces a candidate blank scheme set of the order by adopting a heuristic method based on knowledge according to the design rule of the blank and the estimated yield, and searches out an optimal blank design scheme;
(c) The input/output processor of the multi-core computer (6) stores the optimal blank design scheme into the buffer memory of the multi-core computer (6);
4) A blank scheme confirming step: a production department designer displays and confirms an optimal blank design scheme in a buffer memory of the multi-core computer (6) on the operation terminal (1) through the machine interface (3), and sends a scheme sending instruction to a data receiving and processing module of the multi-core computer (6);
5) Blank scheme conveying step: the data receiving and transmitting and processing module of the multi-core computer (6) captures a scheme sending instruction sent by the input and output processor, and sends a scheme receiving instruction to the data communication module of the MES blank design service unit (4); after the data communication module of the MES blank design service unit (4) responds, receiving the optimal blank design scheme sent by the data receiving and transmitting and processing module of the multi-core computer (6), and storing the optimal blank design scheme into the blank scheme memory of the MES blank design service unit (4);
the method for estimating the yield of the order records by adopting the method combining statistics and fitting in the step (b) of the step 3) specifically comprises the following steps:
(1) the calculation formula of the formation yield is recorded based on blank design knowledge and knowledge scheme of the designer as formula (1):
in the formula (1), h, w and l respectively represent the designed thickness, width and total length of the daughter board; Δh represents the thickness margin; s is burning loss; beta 1 And beta 2 Is two parameters related to the section, thickness and width of the order steel grade and design; r is estimated yield;
(2) classifying knowledge records into n classes according to production line, steel grade, thickness and width, and classifying n of the ith class i The knowledge records are combined into I i For, where i=1, 2, …, n, I is calculated from formula (1) respectively i Group parameter (. Beta.) 11 ,β 21 ),(β 12 ,β 22 ),…,(β 1Ii ,β 2Ii ) Taking two intervals A [0.5×min { beta ] 11 ,β 12 ,…,β 1Ii },1.5×max{β 11 ,β 12 ,…,β 1Ii }]And B [0.5×min { beta ] 21 ,β 22 ,…,β 2Ii },1.5×max{β 21 ,β 22 ,…,β 2Ii }]；
(3) Two intervals A generated by a given step sizeAnd B values, replacing beta in (1) 1 And beta 2 Respectively calculating the ith class n i Yield y of knowledge records tj Wherein j=1, 2, n i Yield y of combined stored knowledge records j Lambda is calculated by the formula (2), where j=1, 2,.. i Substituting beta in formula (1) with a combination of lambda-minimum A and B interval values 1 And beta 2 Recalculated class i n i Taking the yield of the knowledge record as the estimated yield of the ith order, wherein i=1, 2, … and n;
2. the method for designing a medium plate blank for an adaptive device for an iron and steel enterprise according to claim 1, wherein: the knowledge-based section recommendation method of step 3) (b) specifically comprises the following steps:
(1) knowledge refers to blank design of each type of order by adopting the same section, and knowledge records, namely blank design schemes of historical orders, including manual blank design schemes;
(2) the recommendation strategy is to determine which section to use for blank design according to the available sections of the iron and steel enterprises and the attribute of the order, if a plurality of sections are available for selection, the section with the highest use frequency in the knowledge record is adopted, and after the result blank design is calculated, the scheme is updated to the knowledge record.
3. The method for designing a medium plate blank for an adaptive device for an iron and steel enterprise according to claim 1, wherein: the knowledge-based heuristic method adopted in the step (b) of the step 3) specifically comprises the following steps:
(1) dividing the order record into three parts of double non-fixed, fixed-width non-fixed-length, fixed-width and fixed-length orders, and determining the rolling width according to the production convention and the width range;
(2) combining orders with the same attribute into an order, dividing the order into P types according to steel types, thickness and width, and recommending the sections of the P types; estimating the yield of each order based on knowledge recording and statistics and fitting combination methods;
(3) grouping fixed-width non-fixed-length orders according to a width difference threshold value, calculating the number of sub-boards by using the weight, the width and the length upper limit of each group of fixed-width non-fixed-length orders in a given length range, and calculating the number of sub-boards by upwardly rounding max Reuse of sub max The length of the reverse clippers;
(4) for the fixed-width fixed-length order, reversely pushing a candidate blank scheme set by adopting a backtracking strategy based on the estimated yield and the selected section, and searching out an optimal blank design scheme according to the preference of a designer;
(5) for double indefinite orders, the weight M, thickness and length range [ Len ] of the order are used respectively min ,Len max ]And rolling width, calculating the range of the number of the ordered sheets [ Sub ] from (3) and (4) min ,Sub max ]Searching out the optimal length of the double non-ordered single sheets within the number range of the sub-sheets by utilizing the upper limit of delivery weight, and further determining a blank design scheme;
Sub min ＝|| M(1-10％)/(ρ×Len max ×thick×width) || min (3)；
Sub max ＝|| M(1+10％)/(ρ×Len min ×thick×width) || max (4)；
wherein ρ is a steel density constant, I.I. | min And|| I max Representing a downward and upward rounding, respectively.
4. The method for designing a medium plate blank for an adaptive device for an iron and steel enterprise according to claim 3, wherein: in step (4), designer preferences include yield, lead time, and under-count; if the preference is set to be the yield, when the optimal scheme is selected, the scheme with higher yield is prioritized; the preference is set as a delivery date, and a scheme close to the delivery date is selected preferentially when the scheme is selected; the preference is set to the owed number, and then each order is preferably digested completely.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117359A (en) * | 2010-12-30 | 2011-07-06 | 河海大学常州校区 | Method for arranging heat in steel making continuous casting production process |
| CN103293951A (en) * | 2013-06-14 | 2013-09-11 | 湘潭大学 | Group furnace group casting device and method automatically discharging steel materials |
| CN106599519A (en) * | 2016-12-30 | 2017-04-26 | 重庆大学 | Collaborative design method and system for parent plate and plate blank of medium plate oriented to production order combined optimization |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7277768B2 (en) * | 2004-11-05 | 2007-10-02 | International Business Machines Corporation | Method for production design and operations scheduling for plate design in the steel industry |
| JP2006281252A (en) * | 2005-03-31 | 2006-10-19 | Jfe Steel Kk | Blanking decision apparatus for thick steel plate |
| CN101908180A (en) * | 2010-08-20 | 2010-12-08 | 秦皇岛首秦金属材料有限公司 | MES (Manufacturing execution system) material deformation method for maximizing yield of specified steel plates |
| CN102651114B (en) * | 2012-04-05 | 2015-04-15 | 东北大学 | Plate blank and contract transferring and matching method for improving utilization rate of plate blanks of iron and steel enterprise |
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| CN104408283B (en) * | 2014-10-21 | 2017-05-24 | 南京钢铁股份有限公司 | Blank model selection method of single sizing plate in medium plate rolling |
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| CN103293951A (en) * | 2013-06-14 | 2013-09-11 | 湘潭大学 | Group furnace group casting device and method automatically discharging steel materials |
| CN106599519A (en) * | 2016-12-30 | 2017-04-26 | 重庆大学 | Collaborative design method and system for parent plate and plate blank of medium plate oriented to production order combined optimization |
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