CN110404965A - Consider the method and model system of non-scale order specification hot rolled steel plate group plate flexible and slab designing - Google Patents
Consider the method and model system of non-scale order specification hot rolled steel plate group plate flexible and slab designing Download PDFInfo
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- 238000005096 rolling process Methods 0.000 claims description 16
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- 238000009628 steelmaking Methods 0.000 claims description 14
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
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- G—PHYSICS
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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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—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] or computer integrated manufacturing [CIM]
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—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] or computer integrated manufacturing [CIM]
- G05B19/41845—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] or computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—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] or computer integrated manufacturing [CIM]
- G05B19/41885—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] or computer integrated manufacturing [CIM] characterised by modeling, simulation of the manufacturing system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/40—Minimising material used in manufacturing processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a kind of methods and model system for considering non-scale order specification hot rolled steel plate group plate flexible and slab designing, the method steps are as follows: obtaining production order information, order classification is carried out, and two-dimensional combination order is reduced to the design wide again of one-dimensional combination order；According to daughter board can rule of combination order is grouped；The motherboard design of every group of order is completed using the non-scale order specification combined method flexible of consideration；If order is two-dimensional combination order, two-dimentional motherboard design is completed using wide group of plate supplement again；After all orders complete motherboard design, the optional plate Bear-grudge design of section is carried out, optimal two pinch-offs scheme is exported；Two pinch-off schemes can be used for production technical reserve, control production run and equipment operation by production plan.The present invention considers and carries out using non-scale order specification flexibility and slab section multi-selection the Integrated Optimal Design of cut deal motherboard and slab, improves designing quality, lumber recovery is high, and remaining material rate is low, and design efficiency is obviously improved.
Description
Technical field
The present invention relates to technical field of metallurgical control, and in particular to one kind can be carried out peacekeeping two dimension, scale and non-scale
Hot rolled steel plate group plate and slab designing method and model system.
Background technique
Hot rolled steel plate is widely used in the industries such as infrastructure construction, national defense industry, engineering machinery, the popularity of industry
So that the production order towards cut deal product market has the characteristics that multi items, more specifications, small lot, personalization, this makes
The contradiction met between the personalized customization demand in market and the large-scale production of enterprise more highlights.Heavy Plate Production is carried out,
Group plate and slab designing are carried out firstly the need of facing to manufacture order, this is not only " the bridge established between production and customer demand
The basis of beam " and production plan arrangement.The degree of optimization of group plate and slab designing becomes enterprise and realizes scale low cost
The precondition of production and cut deal enterprise fast responding market, improve the key element of core competitiveness.
In recent years, the correlative study about cut deal group plate and slab designing is mainly under single determining slab section
One-dimensional motherboard design optimization problem is unfolded, and has the flexibility for considering motherboard specification in design method；Corresponding two-dimensional design is because of it
The complex nature of the problem, and the limitation of specific cutting mode is also suffered from, there are bigger difficulty, existing research in terms of modeling and solution
Two-dimentional slab design problem is attributed to bin packing by person, and (such as Zheng Y etc. is in Hybrid Scatter Search and
Tabu Search for the Mother Plate Design Problem in the Iron and Steel
Disclosure in Industry), and corresponding derivation algorithm is devised according to problematic features.However the studies above was modeling
Introduce more in journey it is assumed that the uncertainty to group plate and slab designing process has carried out a degree of simplification, so that
It is difficult to be applied directly to real production.In the application field of correlation model method, there is researcher to propose double scale orders
(such as the present inventor Zheng Zhong etc. is in " cut deal blank optimization design system for the automatic design method of group plate and slab designing
Disclosure in system research and application "), the functions expanding aspect of part iron business to business ERP information system is visited
Rope (such as disclosure in CN2011101141094) obtains certain effect, but the complete processing capacity of order, model
Global optimization ability and system function etc. be also difficult to meet the current demand of enterprise.In the ERP and MES of most of iron and steel enterprises
In system, the group plate and slab Automated Design function of cut deal are typically only capable to complete the design of single order, for multi items, more
Specification, small lot more orders for, there are no effective calculation methods.
Summary of the invention
The present invention is directed at least solve the technical problems existing in the prior art, it is non-especially innovatively to propose a kind of consideration
The method and model system of scale order specification hot rolled steel plate group plate flexible and slab designing.
In order to realize above-mentioned purpose of the invention, according to the first aspect of the invention, the present invention provides a kind of considerations
Non- scale order specification hot rolled steel plate group plate flexible and slab designing method, specifically comprise the following steps:
S1 obtains motherboard information and is stored in underlying parameter database, and the motherboard information includes length range, width model
It encloses, thickness range；
It obtains production order information and is stored in order database, the production order information includes the length of order product
Degree, width, thickness, the steel-making trade mark, the steel rolling trade mark and the condition of delivery；
Order pretreatment is carried out, order is divided by one-dimensional combination order and two-dimensional combination order according to order daughter board width；
Two-dimensional combination order is reduced to the design wide again of one-dimensional combination order according to order combination of daughter boards mode；
S2, according to daughter board can rule of combination order is grouped；
S3, selection do not carry out one group of order of motherboard design, using the non-flexible group of plate method of scale order specification of consideration
Complete motherboard design；
Whether the order of S4, judgment step S3 are two-dimensional combination order, if it is, having been supplemented according to wide design principle again
It is no to then follow the steps S5 at two-dimentional motherboard design；
S5 judges whether that all orders are fully completed motherboard design, if it is not complete, S3 is thened follow the steps, if institute
There is order to be fully completed motherboard design, thens follow the steps S6；
S6 carries out slab designing, optimal two pinch-offs scheme can be obtained according to corresponding section selection and is exported；
S7, two obtained pinch-off schemes can be output to steel-making and hot rolling production planning system, raw to carry out steel-making continuous casting
Plan and the planning of hot rolling cellular manufacture are produced, and then production run and associated device operations are controlled by production plan.
The non-scale order specification of consideration of the invention hot rolled steel plate group plate flexible and slab designing method consider and benefit
With the uncertainty of non-scale order specification and the flexibility of the more section selections of slab, the integrated optimization of cut deal and slab is carried out
Design, improves designing quality, and lumber recovery is high, and remaining material rate is low, and design efficiency is obviously improved, and can be intended to the establishment time and foreshorten to
Second and minute.
In order to realize above-mentioned purpose of the invention, according to the second aspect of the invention, the present invention provides a kind of considerations
Non- scale order specification hot rolled steel plate group plate flexible and slab designing model system comprising data Layer and application layer, institute
Stating data Layer includes user's order database, basic design parameter database, design rule parameter database and design result number
According to library；Application layer receives the data information in data Layer, obtains order information using user interface, application layer utilizes of the invention
Method carries out hot rolled steel plate group plate and slab designing and is exported by user interface, is refined using two obtained pinch-off schemes
Steel production technical reserve；The operation result of the application layer export to STEELMAKING PRODUCTION planning system and hot rolling production planning system into
The establishment of row steel smelting-continuous casting production plan and hot rolling cellular manufacture plan, and then production run and phase are controlled by production plan
Close equipment operation.
The present invention is divided using delamination modularization thought design cut deal group plate and slab designing model system, hierarchical classification
Functional module, emphasis solve the problems, such as cut deal group plate and slab designing under one-dimensional, two-dimentional both of which, raising group plate efficiency.
It is verified by the creation data model system of certain steel mill, the results showed that model system is at two aspects of designing quality and efficiency
It significantly improves, and is capable of the variation of the conditions such as flexible adaptation site technique, organization of production, for the material damage for reducing production process
Consumption, reduction production cost provide tool.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 be consider in a kind of preferred embodiment of the present invention non-scale order specification hot rolled steel plate group plate flexible and
The flow chart of slab designing method；
Fig. 2 be consider in a kind of preferred embodiment of the present invention non-scale order specification hot rolled steel plate group plate flexible and
The structural schematic diagram of slab designing model system.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the connection being also possible to inside two elements can
, can also indirectly connected through an intermediary, for the ordinary skill in the art to be to be connected directly, it can basis
Concrete condition understands the concrete meaning of above-mentioned term.
Cut deal group plate and slab designing include motherboard design and slab designing, and motherboard design is will to produce order fractionation group
Synthesis rolling motherboard and the process for determining motherboard dimensions.For the cutting dimension of motherboard, order combination of daughter boards side is produced
Formula includes two kinds of peacekeeping two dimension, and one-dimensional combination is only combined in length direction, and a combination thereof constraint also mainly considers length direction about
Beam, two-dimensional combination needs are combined in length and width both direction.Simultaneously as non-scale production order only gives rule
Lattice range, production equipment and rolling mill practice require also have certain adjustable range, and therefore, motherboard design needs to consider non-scale
Uncertainty, uncertainty of uncertain and more section selection of motherboard specification of order specification etc., by these not
Motherboard design quality can be improved in deterministic Optimal Decision-making, reduces and designs remaining material.After the completion of motherboard design, the slab designing stage
The two pinch-off sections and motherboard slab specification that are selected according to motherboard are calculated into the corresponding two pinch-offs specification of motherboard, obtain STEELMAKING PRODUCTION
Two pinch-offs that planning needs.
Non- scale order specification hot rolled steel plate group plate flexible and slab designing method are considered the present invention provides a kind of,
As shown in Figure 1, it includes the following steps:
S1 obtains motherboard information and is stored in underlying parameter database, and the motherboard information includes length range, width model
It encloses, thickness range；
Obtain production order information and be simultaneously stored in order database, production order information include order product contract number,
Product specification, length, width, thickness, the steel-making trade mark, the steel rolling trade mark, size of order, surplus, remaining number of packages, means of transportation and
The condition of delivery；
Order pretreatment is carried out, order is divided by one-dimensional combination order and two-dimensional combination order according to order daughter board width；
Two-dimensional combination order is reduced to the design wide again of one-dimensional combination order according to order combination of daughter boards mode.
In the present embodiment, it when order daughter board width is less than the lower limit of hot mill rolling width, is ordered for two-dimensional combination
It is single, it is otherwise one-dimensional combination order.
Two-dimensional combination order is reduced to the method for the design wide again of one-dimensional combination order are as follows:
It sets the sum of width of all order daughter boards of width direction and is no more than motherboard maximum rolling width；The mother of two-dimensional combination
Plate length is the sum of maximum daughter board length of length in width direction；
If order combination of daughter boards mode is that width direction can combine two pieces of daughter boards, and the length of this two pieces of daughter boards, width phase
Deng, then two dimension group plate problem can handle as the problem wide again of one-dimensional group of plate, by pretreatment to two-dimensional combination order with
Two dimension group plate design is realized in post-processing.Two-dimensional combination order is reduced to the problem wide again of one-dimensional combination order by preprocessing process,
Post-processing supplement completes the two-dimensional design of two-dimensional combination order.
S2, according to daughter board can rule of combination order is grouped, such as will make steel the trade mark, the steel rolling trade mark, width, thickness
The identical order of degree, under-thickness tolerance, the condition of delivery is divided into a group.
S3, selection do not carry out one group of order of motherboard design, using the non-flexible group of plate method of scale order specification of consideration
Motherboard design is completed, specific steps include:
S31 calculates the length of motherboard according to the design section of motherboard specification and slab rolling specification corresponding relationship selection motherboard
Range is spent, motherboard length range corresponds to slab length range, long according to slab length range and motherboard thickness, width calculating motherboard
Range is spent, motherboard length is not known initially, is determined according to the daughter board being combined on motherboard；
S32, calculates non-scale order daughter board initial length, number of packages of initially ordering goods, and initial length is non-scale order daughter board
Minimum length, such as each length of the cycle increases 50mm, and initial order number of packages is calculated according to size of order and initial length；
S33 obtains feasible motherboard design side in order combination of daughter boards to motherboard according to combination of daughter boards constraint condition
Case, constraint condition are as follows:
(1) and (2) is constrained as order volume constraint, constraint (3) is that every piece of order daughter board can only be combined on one piece of motherboard, about
Beam (4) is the constraint of non-scale order daughter board length limitation, constrains (5)~(7) as the constraint of motherboard length limitation, constraint (8) is disconnected
Face selection constraint, same order select identical section, are can be obtained by solving model to meet order demand and needing to give birth to
Two pinch-offs and motherboard design scheme produced.
Obtain the detailed process of feasible motherboard design scheme are as follows:
S331: motherboard length range is calculated:
It can mill length according to motherboard maximum under motherboard and slab transformational relation calculating section kIt can mill length with minimumMotherboard maximum length is obtained compared with the limitation of motherboard maximum length simultaneouslyAnd minimum length
Wherein, p refers to motherboard, and k is slab section serial number, and j is motherboard serial number；
Motherboard and slab transformational relation are the specification transformational relations of motherboard and slab, and formula is as follows:
In formula: F is two pinch-off length, and H is motherboard thickness, and K is motherboard width, and L is motherboard length, BhFor slab thickness, Bk
For width of plate slab, s is burn out rate, and g is slot value, and a is under-thickness tolerance lower limit, and h is thickness surplus, and k is width surplus, and l is
Length surplus.Slot value, under-thickness tolerance lower limit, thickness surplus, width surplus, length surplus value are motherboard specification and slab
The function of specification；
S332: non-scale order daughter board initial length is calculatedWith initial order number of packages
Requirement according to production order to sub- plate gauge lattice, the daughter board specification of scale order is certain, is directly combined, non-fixed
The daughter board length of ruler order is value rangeIt needs when carrying out combination of daughter boards according to plate face maximization principle (motherboard
Length is the bigger the better) and the limitation of motherboard maximum length, the first of non-scale order daughter board is calculated using motherboard and slab conversion formula
Beginning lengthWith initial order number of packages
Wherein, h refers to motherboard thickness；
S333: by order combination of daughter boards at rolling motherboard:
S3331 is ranked up order daughter board according to the sequence of length from big to small or from small to large, and it is remaining to calculate motherboard
Length
Wherein, sur refers to residue length,
S3332 is finished if all daughter boards are combined, terminates combination of daughter boards, is otherwise entered in next step；
S3333 selects the maximum order daughter board of a block length, compares daughter board lengthWith the residue length of every piece of motherboardThe order daughter board can be put into wherein by motherboard if it exists, selected the wherein maximum motherboard of length and arrived the combination of daughter boards
On motherboard, if it does not exist, one piece of new motherboard is generated, and the surplus of all motherboards in the combination of daughter boards to motherboard, will be calculated again
Remaining lengthWith order residue order number of packages
S3334, circulation execute step S3331~S3333, until all daughter boards all combine completion.
S34 establishes objective function, calculates material length more than motherboard.
Objective function:
Wherein, i is order number, and v daughter board serial number, m is order total number, and q is section sum,
H is order daughter board thickness,
W is order daughter board width,
ρzgFor order product density,
li,vFor the length in order i,
Respectively the daughter board minimum length of order i and maximum length then have if scale order
DHLiFor the order weight of order i,
diFor the order number of packages of order i；
For the length of motherboard j,
For rolling mill practice require motherboard maximum mill length,
Under respectively section k, the corresponding motherboard minimum and maximum of two pinch-off length limitations can mill length, lead to
Motherboard slab conversion formula is crossed to be calculated；
ai,v,jFor 0-1 variable, it is 1 when the daughter board v of order i is combined on motherboard j, is otherwise 0；
It is 1 when order i selects section k to be designed for 0-1 variable, is otherwise 0.
S35 optimizes feasible solution using solution improvement strategy；
The specific steps that motherboard design result is improved using solution improvement strategy are as follows:
S351: combination of daughter boards result obtained in S33 is arranged according to motherboard length descending or ascending order；
S352: it checks whether and all meets greater than motherboard minimum lengthRequirement, if all meet, terminate motherboard set
Meter executes step S353；Otherwise flexible using non-scale order specification, motherboard specification flexibility and slab section multi-selection tune
Whole order daughter board length, motherboard length and motherboard select section, optimize to motherboard design result；S353: after output improves
Motherboard design result.
S36, the motherboard design scheme after being optimized.
In the present embodiment, flexible using non-scale order specification, motherboard specification flexibility and slab section more options
Property adjustment order daughter board length, motherboard length and motherboard select section, the method optimized to motherboard design result can be with are as follows:
Non- scale daughter board length on motherboard is adjusted, so that motherboard length is reached minimum by increasing non-scale order daughter board length
Daughter board (is moved to from maximum motherboard if not satisfied, then adjusting daughter board position on motherboard and is unsatisfactory for motherboard minimum length by length
Motherboard on) and/or replacement design section, recalculate motherboard length range and non-scale order daughter board length, order number of packages.
Whether the order of S4, judgment step S3 are two-dimensional combination order, if it is, having been supplemented according to wide design principle again
It is no to then follow the steps S5 at two-dimentional motherboard design；
S5 judges whether that all orders are fully completed motherboard design, if it is not complete, S3 is thened follow the steps, if institute
There is order to be fully completed motherboard design, thens follow the steps S6；
S6 carries out plate Bear-grudge design, optimal two pinch-offs scheme can be obtained according to corresponding section selection and is exported；
S7, two obtained pinch-off schemes can be output to steel-making and hot rolling production planning system, carry out steel-making continuous casting production
Plan and the planning of hot rolling cellular manufacture, and then production run and associated device operations are controlled by production plan.
Non- scale order specification hot rolled steel plate group plate flexible and slab designing mould are considered the present invention also provides a kind of
Type system (specific application system can do refinement adjustment according to the concrete condition of steel mill), as shown in Figure 2 comprising data Layer,
Application layer and client layer,
The data Layer includes user's order database, basic design parameter database, design rule parameter database and
Design result database；The design parameter that basic design parameter database purchase design process is used, design rule supplemental characteristic
Rule in the storage computation process of library requires, such as motherboard maximum length, slab length range；Some are design parameter, example
Such as long scantling surplus.
Application layer receives the data information in data Layer, obtains order information using user interface, user interface includes life
It produces order management interface, organize plate and slab designing interface, design result administration interface and design parameter administration interface, at application layer
Device is managed to carry out hot rolled steel plate group plate and slab designing using method described in claim 1-6 and export by user interface,
Steel-making continuous casting production plan and hot rolling cellular manufacture planning are carried out using two obtained pinch-off schemes, passes through production plan control
Production run processed and associated device operations；
Client layer stores user information, and the access right of setting different user is required according to production management.
For the validity of verification method and the practicability of model system, using the received production order of certain steel mill as object into
Row cut deal group plate and slab designing method and model system performance test, according to 4 groups of the different designs in order reception period
Test, every group includes 3 test cases, facilitates the comparison test for carrying out different order packet counts and non-scale order ratio, surveys
Test result is as shown in table 1.
The different planning cycle drag system group plate design result comparisons of table 1.
Wherein: non-scale order ratio=non- scale order number/blanket order number；Lumber recovery=finished weight/slab
Weight；Remaining material rate=remaining material weight/motherboard weight.
The test data of table 1 shows that cut deal group plate and slab designing method and model system are correctly effective, Neng Gouxun
Speed completes the group plate design of all production orders, is described as follows:
The lumber recovery of 3 groups of production orders in comparison sheet 1 in every group of test cases and remaining material rate are as it can be seen that as order is grouped
The reduction of number and non-scale order account for the increase of the ratio of blanket order number, and lumber recovery significantly improves, and remaining material rate is substantially reduced.
It can be seen that one aspect of the present invention can attempt the possible combination of all order daughter boards, it on the other hand can be sufficiently sharp
It is flexible with non-scale order daughter board specification, with the increase of order pond scale and the increase of non-scale order ratio, energy of the present invention
Group plate and slab designing lumber recovery are enough effectively improved, reduces and designs remaining material.The present invention is for different planning cycles, different production rule
The test of mould and order feature is shown to order combination of daughter boards mode, non-scale order daughter board specification, motherboard specification and motherboard
Select the integrated optimization effect of section obvious, the optimization bigger designing quality in space is higher.
Result optimizing is designed using non-scale order specification flexibility and motherboard specification flexibility in order to illustrate the present invention
Process illustrates that order design result is as follows so that certain organizes production order as an example, and the present invention is according to objective order information and motherboard
Order information and motherboard information are carried out Optimum Matching, improve the utilization rate of motherboard by information.According to the method for the present invention, specifically
The present invention attempts all different lengths using non-scale order specification flexibility and motherboard specification flexibility and places an order daughter board when matching
Possible combination generates multiple and different order design result and motherboard design scheme, and calculates under different schemes
Then Yu Cai screens feasible solution, with remaining material is minimum, motherboard number is less, the higher design scheme of lumber recovery is optimal
Motherboard design scheme only enumerated under the non-scale order daughter board length of two differences below to be rolled according to this to motherboard
Operable result for:
Produce order information:
The first order is split and section selection result:
| Order number | Daughter board length | Daughter board number of packages | Section | Lumber recovery |
| A | 9600 | 17 | 200*2200 | 94.35 |
| B | 9600 | 13 | 200*2200 | 94.35 |
| C | 9600 | 13 | 200*2200 | 94.35 |
| D | 9600 | 22 | 200*2200 | 94.35 |
The first order combination of daughter boards result is as follows:
13 pieces of motherboards are obtained in the first order combination of daughter boards result, and (number of the rightmost side is needed corresponding motherboard block
Number), wherein order A grouped by itself obtains 3 pieces of motherboards, and remaining 2 pieces of daughter boards, order B grouped by itself obtains 2 pieces of motherboards, 3 pieces remaining
1 piece of mother is obtained after daughter board, the remaining 2 pieces of daughter boards of order A grouped by itself and the remaining 3 pieces of combination of daughter boards of order B grouped by itself
Plate, same order C grouped by itself obtain 2 pieces of motherboards, and remaining 3 pieces of daughter boards, order D grouped by itself obtains 4 pieces of motherboards, 2 pieces remaining
Daughter board, the remaining 3 pieces of daughter boards of order C grouped by itself and the remaining 2 pieces of combination of daughter boards of order D grouped by itself obtain 1 piece of motherboard.Most
The length of the every piece of motherboard obtained afterwards is 48000mm, and every piece of motherboard includes 5 pieces of daughter boards, and the length of every piece of daughter board is 9600mm,
Affiliated order is as shown above.In the design process other than order grouped by itself, by the combination of order A and order B, order
The combination of single C and order D avoid generation without the corresponding daughter board of order.According to section selected by every piece of order: 200*2200 leads to
It crosses motherboard and 13 piece of two pinch-off is obtained in slab conversion formula, the length of every piece of two pinch-offs is 3585mm, and remaining material is 0mm.
Second of order is split and section selection result:
| Order number | Daughter board length | Daughter board number of packages | Section | Lumber recovery |
| A | 10000 | 17 | 200*2200 | 94.31 |
| B | 10000 | 12 | 200*2200 | 94.31 |
| C | 10000 | 12 | 200*2200 | 94.31 |
| D | 10000 | 21 | 200*2200 | 94.31 |
Second of order combination of daughter boards result is as follows:
16 pieces of motherboards are obtained in second of order combination of daughter boards result, and wherein order A grouped by itself obtains 4 pieces of motherboards, remain
Remaining 1 piece of daughter board, order B grouped by itself obtains 3 pieces of motherboards, and order C grouped by itself obtains 3 pieces of motherboards, and order D grouped by itself obtains
5 pieces of motherboards, remaining 2 pieces of daughter boards, the remaining 1 piece of daughter board of order A grouped by itself and the remaining 2 pieces of daughter board groups of order D grouped by itself
Conjunction obtains 1 piece of motherboard.14 pieces of motherboard length are 40000mm in the 16 pieces of motherboards finally obtained, and every piece of motherboard includes 4 pieces of daughter boards,
Other 2 pieces of motherboard length is 30000mm, and every piece of motherboard includes 3 pieces of daughter boards, and the length of every piece of daughter board is 10000mm, belonging to
Order is as shown above.In the design process other than grouped by itself, pass through the Combination Design of order A and order D, Yi Jimu
The adjustment of order daughter board avoids generation without the corresponding remaining material of order on plate.According to section selected by every piece of order: 200*2200,
16 piece of two pinch-off is obtained by motherboard and slab conversion formula, wherein the length of 14 piece of two pinch-off be 2990mm, in addition two pieces
The length of two pinch-offs is 2250mm, and remaining material is 0mm.
By calculating of the invention, under conditions of meeting model constraint, according to non-scale order specification flexibility and motherboard
Specification is flexible, and available multiple feasible motherboard designs are as a result, then to institute under different non-scale order daughter board length
Some design results preferentially, export optimal design result, are illustrated preferentially process by taking two kinds of motherboard designs above as an example,
First group of motherboard design result is bigger compared to the motherboard length of second group of motherboard design result, and motherboard number is smaller, becomes a useful person simultaneously
Rate is higher, therefore first group of design result of final choice.It can be seen that the present invention can make full use of non-scale order specification soft
Property, motherboard specification is flexible and slab section multi-selection optimizes cut deal group plate and slab designing process, thick in promotion
Board group plate and slab designing quality improve lumber recovery, reduce and design remaining material.
Quality and efficiency, cut deal group plate and slab designing model are solved in conclusion comprehensively considering from the angle of application
System can effectively promotion group plate and slab designing quality, created to reduce the material loss of production process, reducing production cost
Condition；By significantly improving iron and steel enterprise's group plate and slab designing efficiency, Heavy Plate Production organizational flexibility is effectively improved.
In addition to this, model system design process also facilitates technologist to be designed parameter adjustment and confirmation, model system function energy
Enough adapt to the demand that produced on-site tissue, production technology adjustment etc. flexibly change.
The present invention takes production technology and equipment item into consideration according to the current demand of cut deal group plate and slab designing problem
Influence of the part to design object and constraint, based on not knowing characteristic etc. by the non-scale order and specification that produce order, for
One-dimensional, two-dimensional cut deal group plate and slab designing problem construct adaptability model, match suitable model solution algorithm, become a useful person
Rate is high, remaining material rate is low, design efficiency is high, and the rapid market responding ability for promoting cut deal enterprise is of great significance and is applied
Value.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of consider non-scale order specification hot rolled steel plate group plate flexible and slab designing method, which is characterized in that tool
Body includes the following steps:
S1 obtains motherboard information and is simultaneously stored in underlying parameter database, the motherboard information include length range, width range,
Thickness range；
Obtain production order information and be simultaneously stored in order database, the production order information include order product contract number,
Product specification, length, width, thickness, the steel-making trade mark, the steel rolling trade mark, size of order, surplus, remaining number of packages, means of transportation and
The condition of delivery；
Order pretreatment is carried out, order is divided by one-dimensional combination order and two-dimensional combination order according to order daughter board width；According to
Two-dimensional combination order is reduced to the design wide again of one-dimensional combination order by order combination of daughter boards mode；
S2, according to daughter board can rule of combination order is grouped；
S3, selection do not carry out one group of order of motherboard design, are completed using consideration flexible group of plate method of non-scale order specification
Motherboard design；
Whether the order of S4, judgment step S3 are two-dimensional combination order, if it is, completing two according to wide design principle supplement again
Motherboard design is tieed up, it is no to then follow the steps S5；
S5 judges whether that all orders are fully completed motherboard design, if it is not complete, S3 is thened follow the steps, if all order
It is singly fully completed motherboard design, thens follow the steps S6；
S6 carries out plate Bear-grudge design, obtains optimal two pinch-offs scheme according to corresponding section selection and export；
Two obtained pinch-off schemes are output to steel-making and hot rolling production planning system, to carry out steel-making continuous casting production plan by S7
With hot rolling cellular manufacture planning, and then passes through production plan and control production run and associated device operations.
2. according to claim 1 consider non-scale order specification hot rolled steel plate group plate flexible and slab designing side
Method, which is characterized in that when order daughter board width be less than hot mill rolling width lower limit when, be two-dimensional combination order, otherwise for
One-dimensional combination order.
3. according to claim 1 consider non-scale order specification hot rolled steel plate group plate flexible and slab designing side
Method, which is characterized in that convert two-dimensional combination order in step S1 the method for the design wide again of one-dimensional combination order are as follows:
It sets the sum of width of all order daughter boards of width direction and is no more than motherboard maximum rolling width；The motherboard of two-dimensional combination is long
Degree is the sum of maximum daughter board length of length in width direction；
If order combination of daughter boards mode is that width direction can combine two pieces of daughter boards, and the length of this two pieces of daughter boards, width are equal, then
Two dimension group plate problem can be handled as the problem wide again of one-dimensional group of plate, pass through the pretreatment and post-processing to two-dimensional combination order
Realize two dimension group plate design, two-dimensional combination order is reduced to the problem wide again of one-dimensional combination order, post-processing by preprocessing process
Supplement completes the two-dimensional design of two-dimensional combination order.
4. according to claim 1 consider non-scale order specification hot rolled steel plate group plate flexible and slab designing side
Method, which is characterized in that step S3 is specifically included:
S31 calculates the length model of motherboard according to the design section of motherboard specification and slab rolling specification corresponding relationship selection motherboard
It encloses；
S32 calculates non-scale order daughter board initial length, number of packages of initially ordering goods；
S33, according to combination of daughter boards constraint condition, in order combination of daughter boards to motherboard, obtaining feasible motherboard design scheme；
S34 establishes objective function, calculates the remaining material length of motherboard；
S35 optimizes feasible solution using solution improvement strategy；
S36, the motherboard design scheme after being optimized.
5. the side according to claim 4 for considering non-scale order specification hot rolled steel plate group plate flexible and slab designing
Method, which is characterized in that the detailed process of step S33 are as follows:
S331: motherboard length range is calculated:
It can mill length according to motherboard maximum under motherboard and slab transformational relation calculating section kIt can mill length with minimum
Motherboard maximum length is obtained compared with the limitation of motherboard maximum length simultaneouslyAnd minimum lengthIts
In, p refers to motherboard, and k is slab section serial number, and j is motherboard serial number；
S332: non-scale order daughter board initial length is calculatedWith initial order number of packages
The daughter board length of non-scale order is value rangeInitial lengthWith initial order part
NumberWherein, h refers to motherboard thickness；
S333: by order combination of daughter boards at rolling motherboard:
S3331 is ranked up order daughter board according to the sequence of length from big to small or from small to large, calculates motherboard residue length
Wherein, sur refers to residue length,
S3332 is finished if all daughter boards are combined, terminates combination of daughter boards, is otherwise entered in next step；
S3333 selects the maximum order daughter board of a block length, compares daughter board lengthWith the residue length of every piece of motherboardIf
There are motherboards can be put into the order daughter board wherein, the selection wherein maximum motherboard of length and by the combination of daughter boards to motherboard
On, if it does not exist, one piece of new motherboard is generated, and the surplus of all motherboards in the combination of daughter boards to new motherboard, will be calculated again
Remaining lengthWith order residue order number of packages
S3334, circulation execute step S3331~S3333, until all daughter boards all combine completion.
6. the side according to claim 4 for considering non-scale order specification hot rolled steel plate group plate flexible and slab designing
Method, which is characterized in that the constraint condition are as follows:
Wherein, i is order number, and v daughter board serial number, m is order total number, and q is section sum,
H is order daughter board thickness,
W is order daughter board width,
ρzgFor order product density,
li,vFor the length in order i,
Respectively the daughter board minimum length of order i and maximum length then have if scale order
DHLiFor the order weight of order i,
diFor the order number of packages of order i；
For the length of motherboard j,
For rolling mill practice require motherboard maximum mill length,
Under respectively section k, the corresponding motherboard minimum and maximum of two pinch-off length limitations can mill length, pass through mother
Plate slab conversion formula is calculated；
ai,v,jFor 0-1 variable, it is 1 when the daughter board v of order i is combined on motherboard j, is otherwise 0；
It is 1 when order i selects section k to be designed for 0-1 variable, is otherwise 0；
(1) and (2) is constrained as order volume constraint, constraint (3) is that every piece of order daughter board can only be combined on one piece of motherboard, is constrained
(4) it is constrained for non-scale order daughter board length limitation, constrains (5)~(7) as the constraint of motherboard length limitation, constraint (8) is section
Selection constraint, same order select identical section.
7. the side according to claim 4 for considering non-scale order specification hot rolled steel plate group plate flexible and slab designing
Method, which is characterized in that the objective function are as follows:
LycFor the remaining material length of motherboard, yc is the reference parameter of remaining material.
8. the side according to claim 4 for considering non-scale order specification hot rolled steel plate group plate flexible and slab designing
Method, which is characterized in that the specific steps that motherboard design result is improved using solution improvement strategy in step S35 are as follows:
S351: combination of daughter boards result obtained in S33 is arranged according to motherboard length descending or ascending order；
S352: it checks whether and all meets greater than motherboard minimum lengthRequirement, if all meet, terminate motherboard design, hold
Row step S353；Otherwise flexible using non-scale order specification, motherboard specification flexibility and the adjustment of slab section multi-selection are ordered
List plate length, motherboard length and motherboard select section, optimize to motherboard design result；
S353: improved motherboard design result is exported.
9. a kind of consider that non-scale order specification hot rolled steel plate group plate flexible and slab designing model system, feature exist
In, including data Layer and application layer,
The data Layer includes user's order database, basic design parameter database, design rule parameter database and design
Result database；
Application layer receives the data information in data Layer, obtains order information using user interface, application layer utilizes claim
Method described in 1-8 carries out hot rolled steel plate group plate and slab designing and is exported by user interface, utilizes two obtained pinch-offs
Scheme carries out STEELMAKING PRODUCTION planning；
The operation result of the application layer, which is exported, carries out steel smelting-continuous casting to STEELMAKING PRODUCTION planning system and hot rolling production planning system
The establishment of production plan and hot rolling cellular manufacture plan, and then production run and associated device operations are controlled by production plan.
10. model system as claimed in claim 9, which is characterized in that it further include client layer, client layer storage user's letter
Breath requires the access right of setting different user according to production management.
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| PCT/CN2020/101044 WO2021027449A1 (en) | 2019-08-15 | 2020-07-09 | Method and model system for plate assembling and slab designing of medium-thickness hot rolled plate in consideration of flexible non-fixed-size order specifications |
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