CN109948746A - A kind of sensor-based steel billet information tracing method - Google Patents
A kind of sensor-based steel billet information tracing method Download PDFInfo
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Abstract
The invention discloses a kind of sensor-based steel billet information tracing methods, the described method includes: step 1) lays several sensors on the assembly line of the production rolling of steel billet, for acquiring relevant information, step 2) reads steel billet identification code before steel billet enters production；During bloom production, the information of sensor is acquired, the radical information and weight information of steel billet product are calculated according to counting algorithm and veritification algorithm；Identification code is generated in conjunction with quality information, production information and inventory information；Step 3) realizes the information tracing of steel billet product using identification code.Acquisition transmission the present invention is based on sensor to the full production procedure of steel billet, thus carries out generation, classification and the matching of information code, convenient and efficient；By mathematics counting algorithm and algorithm is veritified, ensures the precision and accuracy of the steel billet information code for generating, being associated with and inquiring.
Description
Technical field
The invention belongs to industry control enterprise intelligent manufacturing technology fields, while belonging to big data technical field, and in particular to one
The sensor-based steel billet information tracing method of kind.
Background technique
With the rise of internet, Internet of Things, big data, the propulsion of 2025 policy of made in China, China Steel manufacture type
Enterprise faces excess capacity, inefficiency, information-based the problem of lacking, and wisdom is transformed into new era inexorable trend.
And workshop is the important component of enterprise, the wisdom in workshop has been transformed into the urgent need of numerous steel enterprises.Steel mill's vehicle
Between production link disconnect, the information of steel product can't be strong corporate resources.Meanwhile to each of production
The real-time status of a link cannot clear control, it would be highly desirable to which transparence, the effective rate of utilization and rejection rate and failure of steel billet are multiple
Reason, inventory information are associated with production information, and market information is associated with production information, and financial information and inventory information and market are believed
Breath association etc..These are all the directions of workshop development.
Conventional method is artificial retroactive method, and information generation is low with information search efficiency, and error rate is higher, can not adapt to
The demand of big data era.For this method in addition to product manually must participate in place, whole intelligent, automation realizes steel mill
High efficiency, the high accuracy information code of steel billet are generated, association and retrospect are inquired.
Summary of the invention
It is an object of the present invention to manufacture the wisdom upgrading in workshop, for traditional iron and steel enterprise to meet
Enterprise's production, inventory, market and finance relationship demand, propose a kind of sensor-based steel billet information tracing method.
To achieve the goals above, the invention proposes a kind of sensor-based steel billet information tracing method, the sides
Method includes:
Step 1) lays several sensors on the assembly line of the production rolling of steel billet, for acquiring relevant information,
Step 2) reads steel billet identification code before steel billet enters production；During bloom production, the letter of sensor is acquired
Breath calculates the radical information and weight information of steel billet product；Information is generated in conjunction with quality information, production information and inventory information
Code；
Step 3) realizes the information tracing of steel billet product using information code.
As a kind of improvement of the above method, the sensor include: semiconductor heat dependent sensor, piezoelectric transducer and
Resistance strain sensor；
The semiconductor heat dependent sensor, is laid near the plug for outlet of heating furnace, goes out for acquiring steel billet from heating furnace
Temperature when coming；
The piezoelectric transducer is mounted in roll related organization, is monitored on-line for realizing the exception of roll-force；
The resistance strain sensor is mounted on multi-length shear and fixed size scissors related organization, for measuring multi-length shear and determining
The bite force that ruler is cut, when there are bite force, it is believed that scissors is effectively sheared once.
As a kind of improvement of the above method, the step 2) is specifically included:
If the total n root steel billet of certain batch of step 201) is rolled, every steel billet identification code is read, is passed using semiconductor temperature-sensitive
Sensor obtains the heating temperature of steel billet, is recorded in the production information of steel billet；
Step 202) acquires the signal of the piezoelectric transducer and is fed back, if having signal feedback, enables F=1, table
Show that steel billet, which occurs, rolls useless or winged steel failure；Otherwise, F=0 is enabled, indicates that there is no failures；
Step 203) obtains multi-length shear to the true shearing number B of i-th steel billet using the resistance strain sensori；
After multiple length link, number N of i-th steel billet after multiple lengthiAre as follows:
Ni=(1-F) (1+Bi) (1)
In formula, BiInitial value be 0；
Step 204) obtains the true shearing number D of fixed size scissors using the resistance strain sensor；Steel billet enters scale
After shearing link, i-th steel billet is in the number N after scaleiAre as follows:
Ni=(1-F) Bi(1+D) (3)
Note multiple length base length is LB, final scale base length is LD, then D meets:
LB=DLD (4)
Scale base put in order be it is fixed, thus obtain the product radical information of steel billet；
The radical sheared every time is m, is sheared t times altogether, the steel billet number of this batch last time cutting to length is denoted as m0, this
The total radical of batch meets:
Step 205) steel billet enters quality inspection links, and Quality Inspector's information is recorded in quality information；If steel billet is by offline along number
Arrangement, quality inspection links will carry out bundling weighing to qualified steel billet, underproof to be repaired bundling again, if still unqualified
At waste product；Remember ZpRoot is unqualified, and can repair as qualified product, ZqRoot is waste product, unrepairable；Then by determining ZpRoot
With ZqRoot belongs to which root which organizes, and can temporarily reject from all scale bases of this batch；Note is rejected unqualified but can be repaired
The total P root of multiple scale base, the total Q root of waste product removing scale base then finally carry out the qualified scale base number of bundling are as follows:
Step 206) records weighing person's information in bundling weighing link in quality information, remembers every bundle k root, altogether bundling s
Bundle, remaining k0The inadequate bundling of root；First bundle is denoted as 1, and the second bundle is denoted as 2, and so on, s bundle is denoted as s, correspondingly, if every bundle
Weight be followed successively by g1、g2、...、gs, unqualified but recoverable scale base total weight is gP, the total weight of waste product scale base is
gQ；Remember and flies steel, rolls useless steel billet and the remaining pipe nipple steel billet total weight of shearing to be gF, all steel billet gross weights of this batch are G；On then
The amount of stating has following relationship:
sk+k0=(t-1) m+m0-P-Q (7)
Record weight information；
Step 207) steel billet product enters warehouse, and inventory locations are recorded in storage information；
Step 208) is by product radical information, steel billet identification code, weight information, the production information, matter of each steel billet product
Inspection information and storage information are integrated, and unique corresponding two dimensional code is generated.
As a kind of improvement of the above method, before the step 206) further include: using veritifying algorithm to scale base
Product radical information and weight information are veritified, specifically:
The veritification algorithm is according to following criterion:
1. weight conservation criterion: the steel billet total weight before rolling is equal to the heterogeneity steel billet that links generate
The sum of weight；
2. the constant criterion of radical: as soon as every i.e. in the operation of rolling will increase by a multi-length shear or time fixed size scissors, number
One, so finally generating how many steel according to the calculating of effective cutting times；
3. the constant criterion of length: i.e. there is fixed multiple proportion, the overall length of multiple length base in multiple length base length and scale base length
Spend the horizontal total length equal to scale base, that is, the sum of the length of all bundling steel billets and the length of waste product base；
According to weight conservation criterion, following relational expression is obtained:
According to the constant criterion of radical, following relational expression is obtained:
According to the constant criterion of length, following relational expression is obtained:
(m+m0)DLB=(sk+k0)LD+LP+LQ (10)
In formula, LPIndicate unqualified but recoverable scale base total length, LQIndicate waste product scale base total length；
Above-mentioned parameter is veritified according to formula (8), (9) and (10), if three formula all meet, the ginseng obtained
Number is qualified, and otherwise, the parameter of acquisition is unqualified, needs to be examined again.
Present invention has an advantage that
1, method of the invention is transmitted based on acquisition of the sensor to the full production procedure of steel billet and carries out the generation of information code, returned
Class with match, have the advantages that convenient and efficient；
2, method of the invention by mathematics counting algorithm and veritifies algorithm, ensures the steel billet for generating, being associated with and inquiring
The precision and accuracy of product information code.
Detailed description of the invention
Fig. 1 is that steel of the invention looks forward to Workshop Production pipeline model；
Fig. 2 is steel billet number of variations schematic diagram in counting algorithm of the invention；
Fig. 3 is scale base cyclic scheduling schematic diagram of the invention；
Fig. 4 is steel billet information tracing man-machine interface of the invention；
Fig. 5 is steel billet information inquiry retrospect human-computer interaction interface of the invention；
Fig. 6 is steel billet waste product information query interface of the invention.
Specific embodiment
The present invention will be described in detail in the following with reference to the drawings and specific embodiments.
The present invention is using steel enterprise shop production line as object, and using steel billet information tracing as breach, steel billet information, production are believed
Breath, inventory information, market information etc. " string " are got up.Make organic whole.The present invention be it is perspective, emphasis feature, essence
It is quasi- breakthrough, at the same be it is basic, place mat.This will provide good solution and workshop transition for enterprise
Upgrade thinking.Long-acting profit mechanism is brought for enterprise.
The invention mainly relates to modeling, algorithm, sensors to layout, four aspects of interface, and wherein emphasis is algorithm, should
Algorithm is based on that weight conservation, radical are constant, constant length is criterion, the mathematical expression provided in conjunction with billet rolling real process
Formula.They are the core places of steel billet information tracing, are the guarantees of steel billet accurate information retrospect.
The sensor-based steel billet information tracing technology proposed, is the integrated use to workshop steel billet data, these
Data be it is available, easily acquire.The technology realizes the retrospect of steel billet information, correlation inquiry, to inventory information, processing people
Member's information is mixed in a system, and the wisdom upgrading for steel enterprise provides key method approach, to industrial production system
For Zao Lei enterprise, there is good reference.
1, sufficiently steel is combined to look forward to workshop billet rolling process, catches this dimension of steel billet number, establishes workshop assembly line mould
Type.Very comprehensively indicate rolling assembly line be problem description basis, production link includes following part: reading code, heating, slightly
Roll, in roll, pre- finish rolling, finish rolling, multiple length, again finish rolling, scale, cold bed, quality inspection, weighing, bundling, storage.As shown in Figure 1, rolling
When the problems such as useless, steel-fastening does not occur rolling in system, all goes well is carried out, and a steel billet is put into the starting point of production line at this time, is reading
After code device reading code identification steel billet identity (i.e. steel billet paint code), start the process for carrying out heating rolling.
2, it is counted as the steel billet of core using steel billet identification code and veritifies algorithm, it is complete in order to ensure same root steel billet number
Property, two sets of algorithms are introduced, a set of is counting algorithm, and a set of to veritify algorithm, two sets of algorithms come into force simultaneously, ensures the identity of steel billet
Uniquely, it avoids identity from fastening one person's story upon another person, causes to go wrong so counting.
1) counting algorithm.
In the case where not rolling the failure situations such as useless and winged steel, after multiple length and scale link, number can occur a steel billet
Variation, scissors are really sheared once, and steel billet number can add one, similarly after fixed size scissors, true shearing each time, and steel billet number
Continue to add one, as shown in Figure 2.
If the total n root steel billet of certain batch needs to roll, wherein i-th number during the rolling process symbol NiIt indicates, BiTable
Show multi-length shear to the true shearing number of the identification code steel billet.Before multiple length link, when generation steel billet rolls the situations such as useless, winged steel,
The identification code steel billet number has reformed into zero, this situation is indicated by the sensor acquisition of situation point and feedback signal with F, when
When having signal feedback, F=1.After multiple length link, the number of i-th steel billet are as follows:
Ni=(1-F) (1+Bi) (1)
In formula, BiInitial value be 0.
It should be noted that the part of caudal end is leftover bits and pieces, needs to kick out of after a steel billet multiple length.It then need to be
1 is subtracted on the basis of above-mentioned number, above formula becomes:
Ni=(1-F) Bi (2)
In formula, when F=1, Ni=0；When F=0, Ni=Bi, it coincide with actual state.
Note multiple length base length is LB.After the completion of multiple length link, cutting to length link will be entered, scale is to be cut into steel billet
Among product size, and cutting process certain amount cut.If final scale base length is LD, the radical sheared every time is m,
It shears t times altogether, the steel billet number of this batch last time cutting to length is denoted as m0, it is D that each fixed size scissors, which effectively shear number, then
After scale link, the number of i-th steel billet are as follows:
Ni=(1-F) Bi(1+D) (3)
Wherein multiple length base length, scale base length meet following relationship:
LB=DLD (4)
The total radical of this batch meets:
It should be pointed out that the steel billet before quality inspection links is cyclic scheduling, as shown in Figure 3.
It can be seen that periodicity is equal to the radical m that shears every time, t period altogether, last group, i.e. t+1 group, its radical
Possible not enough m root, i.e. m0≤m.In each group, putting in order for scale base is fixed, because the scale base that they are originated from is
Aligned transfer, this just provides foundation for each scale base of precise marking.
After scale link, into quality inspection links, if steel billet is arranged as offline along number, quality inspection links will be to qualified steel
Base carries out bundling weighing, underproof to be repaired bundling again, at waste product if still unqualified.Remember ZpRoot is unqualified, and
It can repair as qualified product, ZqRoot is waste product, unrepairable.Then by determining ZpRoot and ZqRoot belongs to which root which organizes,
It accurately can temporarily be rejected from all scale bases of this batch.Note rejects the unqualified but recoverable total P root of scale base, rejects
The total Q root of waste product scale base then finally carries out the qualified scale base number of bundling are as follows:
In bundling weighing link, every bundle k root is remembered, altogether bundling s bundle, remaining k0The inadequate bundling of root；First bundle is denoted as 1, second
Bundle is denoted as 2, and so on, s bundle is denoted as s, correspondingly, if the weight of every bundle is followed successively by g1、g2、...、gs, unqualified but can repair
Multiple scale base total weight is gP, the total weight of waste product scale base is gQ.Remember in passing and flies steel, rolls useless steel billet and shear remaining
Pipe nipple steel billet total weight is gF, all steel billet gross weights of this batch are G.Then above-mentioned amount has following relationship:
sk+k0=(t-1) m+m0-P-Q (7)
After weighing finishes, RFID code is filled for every bundle steel product, product radical information, steel billet mark are covered in code
It code information, Quality Inspector and weighing person's information, production list number and batch information, weight and quality information and date of manufacture and deposits
Store up location information.
2) algorithm is veritified
Different from counting algorithm, counting algorithm is the algorithm according to the collected valid data of sensor for main foundation,
And algorithm is veritified more and is algorithm theoretically, veritifying algorithm is the supplement to counting algorithm, it is therefore an objective to improve to count and calculate
The accuracy of method.
Algorithm is veritified, mainly according to following criterion:
1. weight conservation criterion.Steel billet total weight before rolling is equal to the heterogeneity steel billet that links generate
The sum of weight；
2. the constant criterion of radical.As soon as every i.e. in the operation of rolling will increase by a multi-length shear or time fixed size scissors, number
One, how many steel are finally generated so can calculate according to effective cutting times；
3. the constant criterion of length.I.e. there is fixed multiple proportion, the overall length of multiple length base in multiple length base length and scale base length
Spend the horizontal total length equal to scale base, that is, the sum of the length of all bundling steel billets and the length of waste product base.
According to three above criterion, three relational expressions can be listed.
According to weight conservation criterion, following relational expression, i.e. formula (8) can be obtained:
Following relational expression can be obtained by formula (3), (5), (7) according to the constant criterion of radical:
Following relational expression can be obtained according to formula (4) and (7) according to the constant criterion of length:
(m+m0)DLB=(sk+k0)LD+LP+LQ (10)
In formula, LPIndicate unqualified but recoverable scale base total length, LQIndicate waste product scale base total length.
The selection of sensor and position
According to the demand of algorithm, the selection and positioning of sensor are carried out.Wherein algorithm requirement, multi-length shear and fixed size scissors are that have
Effect shearing excludes sky and cuts caused miscount.This algorithm uses resistance strain sensor, measures multi-length shear and fixed size scissors with it
Bite force, when there are bite force, assert scissors effectively shear once.Resistance strain sensor is mounted on multi-length shear and scale
Cut related organization.
Steel billet is come out of the stove in order from heating furnace, generally thousand degree of tapping temperature, should not use thermal resistance sensor, this calculation
Method uses semiconductor heat dependent sensor.It is mounted near the plug for outlet of heating furnace.
During billet rolling, the winged steel of appearance and useless link is rolled, by mill rolling force abnormality detection, judges the value of F
It whether is 1.Using piezoelectric transducer, the abnormal on-line monitoring of roll-force is realized.It is mounted in roll related organization.
In production process, the amount and weight amount of length in module related measurement devices directly by obtaining.
3, in above-mentioned algorithm, other than being related to the variation of number, length, weight, there are also the variations of position, and with steel
The entire operation of rolling of base, in addition to heating furnace position, sensor uses contact-making switch, it is that position signal is changed into electric signal
Sensing device.
To sum up, sensor is summarized in table form and position is as follows:
Determination method about effective error scope
In measurement process, tested numerical quantity has error, for example, the weight of steel billet, inevitably exist the end of steel billet into
The fraction of shearing of row, this moiety by weight are often to ignore, and this requires compensation terms ponderable in algorithm.Compensation term numerical value
It determines by being counted to " leftover bits and pieces " in actual production process, obtains a range, that is, determine the summation ratio of final weight
Steel billet Initial total weight in the range, is treated as normal.
" leftover bits and pieces " volume is calculated, according to volume and average cross-section meter according to the averag density of steel according to weight range
Calculation obtains length range, which is calculated as the compensation term in the constant criterion formulas of length.
4, interface is traced
It is set in conjunction with other all correlations on counting algorithm, veritification algorithm, the acquisition of sensor online information and production line
The whole information retrospect of steel billet may be implemented in standby, computer etc..
This method is summarised as " forward record, reverse trace ", by taking certain root steel billet of certain batch as an example, from starting to be claimed
Weight reads steel billet identification code and starts, just forms the steel billet " archives " centered on steel billet identification code in a computer.It is by adding
Two dimensional code storage is stamped after the links such as heat, roughing, finish rolling, multiple length, scale, quality inspection, bundling weighing, reparation.Whole process is completed
To important informations such as the weight of the steel billet, length, position, operator, batch, time, inventory locations, these letters are realized
Breath is associated with steel billet identification code.Its principle such as attached drawing 4.
Information tracing is related personnel to be carried out by human-computer interaction interface, related personnel can by steel billet identification code or
Person's two dimensional code is inquired.The inquiry of the basic information of steel billet and finished product bar is respectively necessary for input paint code number and scans the two-dimensional code.
Then the basic informations such as date, position, weight directly be can see from interface.For the steel billet of rolling failure, rolling can be provided
Failure information and failure cause etc..Query interface is set as such as attached drawing 5.
Waste product embodies the effective rate of utilization of raw material, concerning production cost and profit, so sensu lato steel billet traces,
Information tracing comprising steel billet waste product, query interface setting are as shown in Figure 6.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng
It is described the invention in detail according to embodiment, those skilled in the art should understand that, to technical side of the invention
Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention
Scope of the claims in.
Claims (4)
1. a kind of sensor-based steel billet information tracing method, which comprises
Step 1) lays several sensors on the assembly line of the production rolling of steel billet, for acquiring relevant information,
Step 2) reads steel billet identification code before steel billet enters production；During bloom production, the information of sensor is acquired,
Calculate the radical information and weight information of steel billet product；Information code is generated in conjunction with quality information, production information and inventory information；
Step 3) realizes the information tracing of steel billet product using information code.
2. sensor-based steel billet information tracing method according to claim 1, which is characterized in that the sensor packet
It includes: semiconductor heat dependent sensor, piezoelectric transducer and resistance strain sensor；
The semiconductor heat dependent sensor, is laid near the plug for outlet of heating furnace, when coming out for acquiring steel billet from heating furnace
Temperature；
The piezoelectric transducer is mounted in roll related organization, is monitored on-line for realizing the exception of roll-force；
The resistance strain sensor is mounted on multi-length shear and fixed size scissors related organization, for measuring multi-length shear and fixed size scissors
Bite force, when there are bite force, it is believed that scissors is effectively sheared once.
3. sensor-based steel billet information tracing method according to claim 1, which is characterized in that the step 2) tool
Body includes:
If the total n root steel billet of certain batch of step 201) is rolled, every steel billet identification code is read, semiconductor heat dependent sensor is utilized
The heating temperature for obtaining steel billet, is recorded in the production information of steel billet；
Step 202) acquires the signal of the piezoelectric transducer and is fed back, if having signal feedback, enables F=1, indicates hair
Cast steel base rolls useless or winged steel failure；Otherwise, F=0 is enabled, indicates that there is no failures；
Step 203) obtains multi-length shear to the true shearing number B of i-th steel billet using the resistance strain sensori；By again
After ruler link, number N of i-th steel billet after multiple lengthiAre as follows:
Ni=(1-F) (1+Bi) (1)
In formula, BiInitial value be 0；
Step 204) obtains the true shearing number D of fixed size scissors using the resistance strain sensor；Steel billet enters cutting to length
After link, i-th steel billet is in the number N after scaleiAre as follows:
Ni=(1-F) Bi(1+D) (3)
Note multiple length base length is LB, final scale base length is LD, then D meets:
LB=DLD (4)
Scale base put in order be it is fixed, thus obtain the product radical information of steel billet；
The radical sheared every time is m, is sheared t times altogether, the steel billet number of this batch last time cutting to length is denoted as m0, this batch
Total radical meets:
Step 205) steel billet enters quality inspection links, and Quality Inspector's information is recorded in quality information；If steel billet is arranged as offline along number,
Quality inspection links will carry out bundling weighing to qualified steel billet, underproof to be repaired bundling again, at useless if still unqualified
Product；Remember ZpRoot is unqualified, and can repair as qualified product, ZqRoot is waste product, unrepairable；Then by determining ZpRoot and
ZqRoot belongs to which root which organizes, and can temporarily reject from all scale bases of this batch；Note is rejected unqualified but recoverable
The total P root of scale base, the total Q root of waste product removing scale base then finally carry out the qualified scale base number of bundling are as follows:
Step 206) records weighing person's information in bundling weighing link in quality information, remembers every bundle k root, altogether bundling s bundle, surplus
Remaining k0The inadequate bundling of root；First bundle is denoted as 1, and the second bundle is denoted as 2, and so on, s bundle is denoted as s, correspondingly, if the weight of every bundle
Amount is followed successively by g1、g2、...、gs, unqualified but recoverable scale base total weight is gP, the total weight of waste product scale base is gQ；Note
Fly steel, roll useless steel billet and the remaining pipe nipple steel billet total weight of shearing to be gF, all steel billet gross weights of this batch are G；Then above-mentioned amount
There is following relationship:
sk+k0=(t-1) m+m0-P-Q (7)
Record weight information；
Step 207) steel billet product enters warehouse, and inventory locations are recorded in storage information；
Step 208) believes the product radical information of each steel billet product, steel billet identification code, weight information, production information, quality inspection
Breath and storage information are integrated, and unique corresponding two dimensional code is generated.
4. sensor-based steel billet information tracing method according to claim 3, which is characterized in that the step 206)
Before further include: the product radical information and weight information of scale base are veritified using algorithm is veritified, specifically:
The veritification algorithm is according to following criterion:
1. weight conservation criterion: the steel billet total weight before rolling is equal to the weight for the heterogeneity steel billet that links generate
The sum of；
2. the constant criterion of radical: as soon as every i.e. in the operation of rolling pass through a multi-length shear or time fixed size scissors, number will increase one,
So finally generating how many steel according to the calculating of effective cutting times；
3. the constant criterion of length: i.e. there is fixed multiple proportion in multiple length base length and scale base length, and the total length of multiple length base is horizontal
Equal to the total length of scale base, that is, the sum of the length of all bundling steel billets and the length of waste product base；
According to weight conservation criterion, following relational expression is obtained:
According to the constant criterion of radical, following relational expression is obtained:
According to the constant criterion of length, following relational expression is obtained:
(m+m0)DLB=(sk+k0)LD+LP+LQ (10)
In formula, LPIndicate unqualified but recoverable scale base total length, LQIndicate waste product scale base total length；
Above-mentioned parameter is veritified according to formula (8), (9) and (10), if three formula all meet, the parameter obtained is closed
Lattice, otherwise, the parameter of acquisition are unqualified, need to be examined again.
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| CN111429424A (en) * | 2020-03-20 | 2020-07-17 | 中冶赛迪重庆信息技术有限公司 | Heating furnace inlet abnormity identification method based on deep learning |
| CN112180880A (en) * | 2020-10-22 | 2021-01-05 | 唐山贺祥智能科技股份有限公司 | SCADA-based production flow digital management method, storage medium and mobile terminal |
| CN114833202A (en) * | 2022-04-07 | 2022-08-02 | 中冶赛迪重庆信息技术有限公司 | Blank removing method, system, medium and electronic terminal for improving average temperature of direct rolling |
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| CN112180880A (en) * | 2020-10-22 | 2021-01-05 | 唐山贺祥智能科技股份有限公司 | SCADA-based production flow digital management method, storage medium and mobile terminal |
| CN114833202A (en) * | 2022-04-07 | 2022-08-02 | 中冶赛迪重庆信息技术有限公司 | Blank removing method, system, medium and electronic terminal for improving average temperature of direct rolling |
| CN114833202B (en) * | 2022-04-07 | 2024-04-12 | 中冶赛迪信息技术(重庆)有限公司 | Method, system, medium and electronic terminal for picking blanks to improve average temperature of straight rolling |
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