CN109299541A - A kind of straightening processing method and processing device of strip - Google Patents
A kind of straightening processing method and processing device of strip Download PDFInfo
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- CN109299541A CN109299541A CN201811119797.1A CN201811119797A CN109299541A CN 109299541 A CN109299541 A CN 109299541A CN 201811119797 A CN201811119797 A CN 201811119797A CN 109299541 A CN109299541 A CN 109299541A
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Abstract
The present invention relates to technical field of steel rolling, more particularly to a kind of straightening processing method and processing device of strip, this method comprises: based on straightening tension respectively with straightening elongation percentage, band yield strength, thickness of strip, the coupled relation of straightening roll insertion, establish the mathematical model of straightening tension, based on the straightening supplemental characteristic in n group actual production, establish straightening parameter matrix, based on straightening parameter matrix, the mathematical model of straightening tension is optimized, come the mathematical model of the straightening tension optimized, finally, based on the mathematical model after the optimization, straightening processing is carried out to the strip in cold-rolling galvanization straightening technique, and then practical operation experience is combined on the basis of theory, obtain the higher straightening tension model of accuracy, straightening processing is carried out using such straightening tension value, final product quality is higher, it is higher to provide accuracy Straightening tension avoids the technical issues of having differences when different operation work setting straightening tension value, cause the influence to strip quality.
Description
Technical field
The present invention relates to technical field of steel rolling more particularly to a kind of straightening processing method and processing devices of strip.
Background technique
Zinc-plated straightening technique plays a key effect in terms of improving band mechanical property, improving product, leads to
It crosses and applies certain straightening elongation percentage to band, on the one hand reach performance required for finished product band, in addition can eliminate straightening
Shape wave existing for preceding band, warpage defect achieve the purpose that improve strip shape quality.
The parameter for influencing straightening quality includes straightening roll insertion, straightening elongation percentage, straightening tension, withdrawal straightening machine use pattern
Including tension mode and elongation percentage mode.
1) when using elongation percentage mode, elongation percentage and insertion determine straightening tension value size, pass through automatic feedback
Control realize straightening tension stabilization, there are pre-set values for straightening tension, but when it is presetting differed with actually required tension value compared with
When big, cause tension adjustment process too long, the fluctuation of straightening elongation percentage is big, and straightening effect is poor.
2) when using tension mode, the size of straightening tension setting value directly determines straightening elongation percentage value size, because
This is most important to final products plate shape and performance.
The tension value of producing line straightening at present depends on the setting of operative employee's experience, and different operation work setting value differs greatly, to most
Finished product quality influences huge.
Therefore, the final product quality for how improving strip is a technical problem to be solved urgently.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind
State the straightening processing method and processing device of the strip of problem.
The embodiment of the present invention provides a kind of straightening processing method of strip, which comprises
Based on the coupling with straightening elongation percentage, band yield strength, thickness of strip, straightening roll insertion respectively of straightening tension
Relationship establishes the mathematical model of straightening tension:
Wherein, σ 'FTo calculate straightening tension, σSIt is thickness of strip for band yield strength, h, ε is straightening elongation percentage, δ is
Straightening roll insertion, a2、a3For thickness effect coefficient；a4、a5、a6Coefficient is influenced for yield strength；a7、a8、a9For straightening elongation percentage
Influence coefficient；a10、a11Coefficient is influenced for straightening roll insertion；a1、a12For comprehensive effect coefficient；
Based on the straightening supplemental characteristic in n group actual production, straightening parameter matrix is established, the straightening parameter includes straightening
Tension, band yield strength, thickness of strip, straightening elongation percentage, straightening roll insertion:
Based on the straightening parameter matrix, the mathematical model of the straightening tension is optimized, the drawing after being optimized
Rectify the value of the coefficient of the mathematical model of tension, the mathematical model of the straightening tension optimized.
Preferably, it is described based on straightening tension respectively with straightening elongation percentage, band yield strength, thickness of strip, straightening roll
The coupled relation of insertion establishes the mathematical model of straightening tension, specifically:
Based on the straightening tension and the band yield strength, straightening elongation percentage at quadratic function relation, the straightening
Tension and thickness of strip h exponentially functional relation, the straightening tension and the straightening roll insertion are built at linear function relationship
The mathematical model of vertical straightening tension.
Preferably, the value range of n is [1500,2500].
Preferably, described to be based on the straightening parameter matrix, the mathematical model of the straightening tension is optimized, is obtained
The value of the coefficient of the mathematical model of straightening tension after optimization, specifically includes:
To the value preset initial value of the coefficient of the mathematical model of straightening tension；
The preset initial value and straightening parameter matrix are substituted into the mathematical model of the straightening tension, n group is obtained and calculates
Straightening tension value；
Straightening tension value and the practical straightening tension value of n group are calculated based on the n group, is obtained based on the preset initial value
Fitness result；
When the fitness result based on the preset initial value is less than preset value, to the preset initial value using heredity
Algorithm calculates, the first generation predictive coefficient value after obtaining iteration；
Mathematical model based on the first child coefficient value, the straightening parameter matrix S and straightening tension obtains base
In the fitness result of the first child coefficient value；
Judge whether the fitness result based on the first child coefficient value is greater than preset value；
When being less than the preset value, continue to be iterated the first child coefficient value using genetic algorithm, until
When the fitness result of the N filial generation coefficient value obtained is greater than the preset value, the number of the straightening tension after obtaining the optimization
Learn the value of the coefficient of model.
Preferably, the calculation formula of the fitness result based on the preset initial value is as follows:
Wherein, σFFor i-th group of practical straightening tension value in the straightening tension value in n group actual production, σ 'FFor the calculating of n group
I-th group of calculating straightening tension value in straightening tension value.
The embodiment of the present invention also provides a kind of straightening processing unit of strip, comprising:
The mathematical model of straightening tension establishes module, for being surrendered respectively with straightening elongation percentage, band based on straightening tension
Intensity, thickness of strip, straightening roll insertion coupled relation, establish the mathematical model of straightening tension:
Wherein, σ 'FTo calculate straightening tension, σSIt is thickness of strip for band yield strength, h, ε is straightening elongation percentage, δ is
Straightening roll insertion, a2、a3For thickness effect coefficient；a4、a5、a6Coefficient is influenced for yield strength；a7、a8、a9For straightening elongation percentage
Influence coefficient；a10、a11Coefficient is influenced for straightening roll insertion；a1、a12For comprehensive effect coefficient；
Straightening parameter matrix establishes module, for establishing straightening parameter based on the straightening supplemental characteristic in n group actual production
Matrix, the straightening parameter include straightening tension, band yield strength, thickness of strip, straightening elongation percentage, straightening roll insertion:
Optimization module optimizes the mathematical model of the straightening tension, obtains for being based on the straightening parameter matrix
The value of the coefficient of the mathematical model of straightening tension after must optimizing, the mathematical model of the straightening tension optimized.
Preferably, the mathematical model of the straightening tension establishes module, is specifically used for:
Based on the straightening tension and the band yield strength, straightening elongation percentage at quadratic function relation, the straightening
Tension and thickness of strip exponentially functional relation, the straightening tension and the straightening roll insertion are built at linear function relationship
The mathematical model of vertical straightening tension.
Preferably, the optimization module specifically includes:
Initial value presets unit, the value preset initial value of the coefficient for the mathematical model to straightening tension；
First obtains unit, for the preset initial value and straightening parameter matrix to be substituted into the mathematics of the straightening tension
Model obtains n group and calculates straightening tension value；
Second obtaining unit obtains base for calculating straightening tension value and the practical straightening tension value of n group based on the n group
In the fitness result of the preset initial value；
Third obtaining unit, for the fitness result based on the preset initial value be less than preset value when, to described
Preset initial value is calculated using genetic algorithm, the first generation predictive coefficient value after obtaining iteration；
4th obtaining unit, for being based on the first child coefficient value, the straightening parameter matrix S and straightening tension
Mathematical model, obtain the fitness result based on the first child coefficient value；
Judging unit, for judging whether the fitness result based on the first child coefficient value is greater than preset value；
5th obtaining unit, for continuing to the first child coefficient value using heredity when being less than the preset value
Algorithm is iterated, until obtaining the optimization when fitness result of the N filial generation coefficient value obtained is greater than the preset value
The value of the coefficient of the mathematical model of straightening tension afterwards.
The embodiment of the present invention also provides a kind of computer equipment, including memory, processor and storage are on a memory simultaneously
The computer program that can be run on a processor, which is characterized in that the processor realizes a kind of cold rolling when executing described program
The step of method for establishing model of zinc-plated producing line straightening tension.
One or more technical solutions in the embodiment of the present invention, have at least the following technical effects or advantages:
A kind of straightening processing method of strip provided by the invention, this method comprises: based on straightening tension respectively with straightening
Elongation percentage, band yield strength, thickness of strip, straightening roll insertion coupled relation, establish the mathematical model of straightening tension, base
Straightening supplemental characteristic in n group actual production, establishes straightening parameter matrix, straightening parameter matrix is based on, to straightening tension
Mathematical model optimizes, the value of the coefficient of the mathematical model of the straightening tension after being optimized, come the straightening optimized
The mathematical model of power, finally, being carried out at straightening based on the mathematical model after the optimization to the strip in cold-rolling galvanization straightening technique
Reason, and then practical operation experience is combined on the basis of theory, the higher straightening tension model of accuracy is obtained, to provide essence
The higher straightening tension of exactness obtains straightening tension and carries out straightening processing to strip, in this manner so that final product quality
It is higher, avoid the technical issues of having differences when different operation work setting straightening tension value, cause the influence to strip quality.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, identical component is indicated with identical reference pattern.In the accompanying drawings:
Fig. 1 shows the step flow diagram of the straightening processing method of one of embodiment of the present invention strip；
Fig. 2 shows the change curve schematic diagrames of the target function value of preset model in the embodiment of the present invention；
Fig. 3 shows the schematic diagram of the model foundation device of cold-rolling galvanization producing line straightening tension in the embodiment of the present invention；
Fig. 4 shows the structure chart of computer equipment in the embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
In the process of cold-rolling process, pickling, cold rolling, degreasing, annealing, smooth, zinc-plated straightening, painting are carried out by raw material
Oil, packaging, inventory.
Wherein in zinc-plated straightening technique, set generally by straightening tension of the withdrawal straightening machine to strip, it is then sharp
Straightening is carried out to strip with the straightening tension set, thus guarantee that strip has certain straightening elongation percentage, and straightening extends
Rate is to measure the important indicator of withdrawal straightening machine strip straightening capacity, realizes that the Proper Match of drawing efficiency and curved prolongation of effect rate produces promotion
Quality is most important.
First embodiment of the invention provides a kind of straightening processing method of strip, as shown in Figure 1, this method comprises: S101,
Based on straightening tension respectively with straightening elongation percentage, band yield strength, thickness of strip, straightening roll insertion coupled relation, build
The mathematical model of vertical straightening tension；S102 establishes straightening parameter matrix S based on the straightening supplemental characteristic in n group actual production,
Straightening parameter includes straightening tension, band yield strength, thickness of strip, straightening elongation percentage, straightening roll insertion；S103 is based on
Straightening parameter matrix S, optimizes the mathematical model of the straightening tension, the mathematical model of the straightening tension after being optimized
The value of coefficient, the mathematical model of the straightening tension optimized；S104, the mathematical model of the straightening tension based on optimization, to cold
The strip rolled in zinc-plated straightening technique carries out straightening processing.That is, mathematical modulo of the withdrawal straightening machine using the straightening tension of optimization
Type sets straightening tension, then carries out straightening processing to the strip in cold-rolling galvanization straightening technique.
In S101, specifically based on the straightening tension and band yield strength, straightening elongation percentage at quadratic function relation,
The straightening tension and thickness of strip h exponentially functional relation, the straightening tension and straightening roll insertion are built at linear function relationship
The mathematical model of vertical straightening tension.
The mathematical model of specific straightening tension is as follows:
Wherein, σ 'FTo calculate straightening tension, σSIt is thickness of strip for band yield strength, h, ε is straightening elongation percentage, δ is
Straightening roll insertion, a2、a3For thickness effect coefficient；a4、a5、a6Coefficient is influenced for yield strength；a7、a8、a9For straightening elongation percentage
Influence coefficient；a10、a11Coefficient is influenced for straightening roll insertion；a1、a12For comprehensive effect coefficient.
That is, only just knowing that the straightening tension when establishing the mathematical model of the straightening tension and influencing straightening
Coupled relation between the parameter of power, and can not determine specific actual relationship formula, according only to the straightening tension and influence the drawing
The coupled relation between the parameter of tension is rectified, the mathematical model frame of a straightening tension, i.e., specific mathematical model are constructed
In the coefficient of functional relation can not determine.
The coefficient of the functional relation directly affects the accuracy of the mathematical model of the straightening tension, and therefore, it is necessary to be to this
Several values are determined.
In S102, the straightening supplemental characteristic in the actual production of n group is acquired, straightening parameter matrix is established.
Specifically, each factor for influencing straightening tension specifically includes: band yield strength, thickness of strip, straightening extend
Rate, straightening roll insertion.Therefore, according to every group of straightening supplemental characteristic, straightening parameter matrix S is constructed.
Wherein, σF1=f (σS1 h1 ε1 δ1)……σFn=f (σSn hn εn δn)。
σFnFor the practical straightening tension in n-th group actual production, σSnFor the practical band surrender in n-th group actual production
Intensity, hnFor the practical thickness of strip in n-th group actual production, εnFor the practical straightening elongation percentage in n-th group actual production, δn
For the actual straightening roller insertion in n-th group actual production.
Obtain straightening parameter matrix S
Wherein, n value range is [1500,2500], specifically can value 2002, that is, the data of volume 2002 can be used.
In S103, it is based on straightening parameter matrix S, the mathematical model of straightening tension is optimized, after being optimized
Straightening tension mathematical model coefficient value, the mathematical model of the straightening tension optimized.
Specifically, firstly, the value preset initial value of the coefficient to the mathematical model of straightening tension, for example, default α1=1, α2
=2, α3=3, α4=4, α5=5, α6=6, α7=7, α8=8, α9=9, α10=10, α11=11, α12=12.
Then, the mathematical model that the preset initial value and straightening parameter matrix S are substituted into straightening tension obtains n group and calculates
Straightening tension value.Be exactly utilize the preset initial value so that the mathematical model of the straightening tension become complete mathematical model,
Again by other influences parameter value substitutes into the complete mathematical model in addition to straightening tension value in straightening parameter matrix S, obtain
Calculate straightening tension value, the calculating straightening tension value and practical straightening tension value (in straightening parameter matrix S with substitute into calculating its
The value of the corresponding straightening tension of his affecting parameters value) it has differences.
Therefore, straightening tension value and the practical straightening tension value of n group are calculated based on n group, obtained based on the preset initial value
Fitness result.
Wherein, the calculation formula of the fitness result of the preset initial value is as follows:
Wherein, σFFor i-th group of practical straightening tension value in the straightening tension value in n group actual production, σ 'FFor the calculating of n group
I-th group of calculating straightening tension value in straightening tension value.I-th group of practical straightening tension value and i-th group of calculating straightening tension value are all
The value of the parameter of the corresponding same group of influence straightening tension.
Before obtaining the fitness result based on preset initial value, the coefficient to the mathematical model of straightening tension is also obtained
Preset model objective function expression formula:
If i-th group of calculating straightening tension value and the difference of corresponding i-th group practical straightening tension value are smaller, i.e., above-mentioned mesh
Offer of tender numerical value is smaller, then the fitness result of the preset initial value of the coefficient is higher, then the coefficient value corresponding straightening tension
The precision of mathematical model is higher.
In order to verify whether preset initial value at this time enables to the mathematical model precision of the straightening tension higher, pass through
Judge whether the fitness result of the preset initial value is greater than preset value, when being greater than the preset value, determines that this is default initial
It is accurate for being worth the mathematical model of corresponding straightening tension.When being less than the preset value, the corresponding drawing of the preset initial value is determined
The mathematical model inaccuracy for rectifying tension, needs the value of the coefficient of the mathematical model to straightening tension again to predict.
When the value of the coefficient of the mathematical model to straightening tension is predicted, predicted using genetic algorithm, specifically
Prediction scale NIND=300-500, specifically can with value NIND=500, maximum genetic algebra MAXGEN=200-300, have
Body can specifically be intersected with value MAXGEN=300, parent and filial generation generation gap GGAP=0.7-0.9 with value GGAP=0.8
Probability PC=0.6-0.7, specifically can be with value PC=0.65, mutation probability Pm=0.01-0.035, specifically can be with value Pm=
0.035。
When the fitness result based on preset initial value is less than preset value, genetic algorithm meter is used to preset initial value
It calculates, the first generation predictive coefficient value after obtaining iteration.
Mathematical model based on the first child coefficient value, straightening parameter matrix S and straightening tension, to be based on
The fitness result of the first child coefficient value.The similar process for obtaining the fitness result based on preset initial value.
Judge the fitness of the first child coefficient value again as a result, when the first child coefficient value be less than preset value when, after
It is continuous that the first child coefficient value is iterated using genetic algorithm, until the fitness result for obtaining N filial generation coefficient value is big
When preset value, the value of the coefficient of the mathematical model of the straightening tension after being optimized.To obtain the straightening of the optimization
The mathematical model of power.
In the embodiment of the present invention using genetic iteration to 300 generation when objective function tend towards stability, what is reached is preferable excellent
Change effect, it is specific as shown in Figure 2.The coefficient of the mathematical model of obtained straightening tension is α1=6.34, α2=-0.99, α3=-
11.05、α4=-3.80, α5=19.90, α6=-0.24, α7=0.008, α8=14.95, α9=0.56, α10=2.75, α11=
20.25、α12=28.69.The mathematical model of the straightening tension of the optimization of acquisition:
σ'F=6.34e-0.99h-11.1(3.80σS 2+19.9σS-0.24)(0.008ε2+14.95ε+0.56)(2.75δ-
20.25)+28.69
Calculating straightening tension value using the mathematical model of the straightening tension after the optimization, under corresponding each straightening technological parameter
It is substantially to coincide with practical straightening tension value.Straightening supplemental characteristic in the n group actual production of above-mentioned use, when the reality of use
When straightening supplemental characteristic in the production of border is within 500 groups, calculating straightening tension value and practical straightening tension value has deviation, waits until
When straightening supplemental characteristic in actual production reaches 1000 groups or so, the deviation of straightening tension value and practical straightening tension value is calculated
It is gradually reduced, until the straightening supplemental characteristic in actual production reaches 2000 groups or so, calculates straightening tension value and practical drawing
The deviation for rectifying tension value reduces again, it is seen that the straightening supplemental characteristic in the actual production using 2000 groups or so is come to the drawing
The mathematical model for rectifying tension optimizes, so that calculating straightening tension value and practical straightening tension value that the model obtains are kissed substantially
It closes.
Finally, execute S104, the mathematical model of the straightening tension based on the optimization, to the strip in cold-rolling galvanization technique into
Row straightening processing.
In actual application, using the mathematical model of the straightening tension of the optimization, it is applied to 1970 zinc-plated withdrawal straightening stands,
Strip i.e. in cold-rolling galvanization technique carries out straightening processing, so that straightening tension setting accuracy increases substantially, overall model essence
Degree reaches 92% or more, meanwhile, straightening elongation control precision is protected, and eliminates the fluctuation of straightening elongation percentage and because of operative employee
Elongation percentage difference problem, improves the integral slab shape and performance quality of finished strip caused by subjectivity is arranged.
Based on the same inventive concept, the second embodiment of the present invention provides a kind of straightening processing unit of strip, such as Fig. 3 institute
Show, comprising:
The mathematical model of straightening tension establishes module 301, for being bent respectively with straightening elongation percentage, band based on straightening tension
The coupled relation for taking intensity, thickness of strip, straightening roll insertion, establishes the mathematical model of straightening tension:
Wherein, σ 'FTo calculate straightening tension, σSIt is thickness of strip for band yield strength, h, ε is straightening elongation percentage, δ is
Straightening roll insertion, a2、a3For thickness effect coefficient；a4、a5、a6Coefficient is influenced for yield strength；a7、a8、a9For straightening elongation percentage
Influence coefficient；a10、a11Coefficient is influenced for straightening roll insertion；a1、a12For comprehensive effect coefficient；
Straightening parameter matrix establishes module 302, for establishing straightening based on the straightening supplemental characteristic in n group actual production
Parameter matrix, the straightening parameter include straightening tension, band yield strength, thickness of strip, straightening elongation percentage, straightening roll insertion
Amount；
Specific straightening parameter matrix S:
Optimization module 303 carries out the mathematical model of the straightening tension excellent for being based on the straightening parameter matrix
Change, the value of the coefficient of the mathematical model of the straightening tension after being optimized, the mathematical model of the straightening tension optimized；
Processing module 304, for the mathematical model of the straightening tension based on optimization, to the band in cold-rolling galvanization straightening technique
Steel carries out straightening processing.
In a preferred embodiment, the mathematical model of the straightening tension establishes module, is specifically used for:
Based on the straightening tension and the band yield strength, straightening elongation percentage at quadratic function relation, the straightening
Tension and thickness of strip exponentially functional relation, the straightening tension and the straightening roll insertion are built at linear function relationship
The mathematical model of vertical straightening tension.
In a preferred embodiment, the value range of n is [1500,2500].
In a preferred embodiment, the optimization module specifically includes:
Initial value presets unit, the value preset initial value of the coefficient for the mathematical model to straightening tension；
First obtains unit, for the preset initial value and straightening parameter matrix S to be substituted into the number of the straightening tension
Model is learned, n group is obtained and calculates straightening tension value；
Second obtaining unit obtains base for calculating straightening tension value and the practical straightening tension value of n group based on the n group
In the fitness result of the preset initial value；
Third obtaining unit, for the fitness result based on the preset initial value be less than preset value when, to described
Preset initial value is calculated using genetic algorithm, the first generation predictive coefficient value after obtaining iteration；
4th obtaining unit, for being based on the first child coefficient value, the straightening parameter matrix S and straightening tension
Mathematical model, obtain the fitness result based on the first child coefficient value；
Judging unit, for judging whether the fitness result based on the first child coefficient value is greater than preset value；
5th obtaining unit, for continuing to the first child coefficient value using heredity when being less than the preset value
Algorithm is iterated, until obtaining the optimization when fitness result of the N filial generation coefficient value obtained is greater than the preset value
The value of the coefficient of the mathematical model of straightening tension afterwards.
In a preferred embodiment, the fitness based on the preset initial value obtained in the 4th obtaining unit
As a result calculation formula is as follows:
Wherein, σFFor i-th group of practical straightening tension value in the straightening tension value in n group actual production, σ 'FFor the calculating of n group
I-th group of calculating straightening tension value in straightening tension value.
One or more technical solutions in the embodiment of the present invention, have at least the following technical effects or advantages:
A kind of straightening processing method of strip provided by the invention, this method comprises: based on straightening tension respectively with straightening
Elongation percentage, band yield strength, thickness of strip, straightening roll insertion coupled relation, establish the mathematical model of straightening tension, base
Straightening supplemental characteristic in n group actual production, establishes straightening parameter matrix, straightening parameter matrix is based on, to straightening tension
Mathematical model optimizes, the value of the coefficient of the mathematical model of the straightening tension after being optimized, come the straightening optimized
The mathematical model of power, finally, being carried out at straightening based on the mathematical model after the optimization to the strip in cold-rolling galvanization straightening technique
Reason, and then practical operation experience is combined on the basis of theory, the higher straightening tension model of accuracy is obtained, to provide essence
The higher straightening tension of exactness avoids different operation work from having differences when setting straightening tension value, causes the shadow to strip quality
Loud technical problem.
Based on the same inventive concept, third embodiment of the invention additionally provides a kind of computer equipment, as shown in figure 4, being
Convenient for explanation, only parts related to embodiments of the present invention are shown, disclosed by specific technical details, please refers to the present invention
Embodiment method part.The computer equipment can be include personal computer, mobile phone, tablet computer, PDA (Personal
Digital Assistant, personal digital assistant), any terminal device such as POS (Point of Sales, point-of-sale terminal), with
Computer equipment is for personal computer:
Fig. 4 shows the block diagram of part-structure relevant to computer equipment provided in an embodiment of the present invention.With reference to figure
4, which includes: memory 401 and processor 402.It will be understood by those skilled in the art that being counted shown in Fig. 4
It calculates machine equipment structure and does not constitute the restriction to computer equipment, may include than illustrating more or fewer components or group
Close certain components or different component layouts.
It is specifically introduced below with reference to each component parts of the Fig. 4 to computer equipment:
Memory 401 can be used for storing software program and module, and processor 402 is stored in memory 401 by operation
Software program and module, thereby executing various function application and data processing.Memory 401 can mainly include storage journey
Sequence area and storage data area, wherein storing program area can the (ratio of application program needed for storage program area, at least one function
Such as sound-playing function, image player function) etc.；It storage data area can storing data (such as audio data, phone directory etc.)
Deng.In addition, memory 401 may include high-speed random access memory, it can also include nonvolatile memory, for example, at least
One disk memory, flush memory device or other volatile solid-state parts.
Processor 402 is the control centre of computer equipment, by running or executing the software being stored in memory 401
Program and/or module, and the data being stored in memory 401 are called, perform various functions and handle data.Optionally,
Processor 402 may include one or more processing units；Preferably, processor 402 can integrate application processor and modulation /demodulation
Processor, wherein the main processing operation system of application processor, user interface and application program etc., modem processor master
Handle wireless communication.
In embodiments of the present invention, processor 402 included by the computer equipment can have aforementioned first embodiment
Any one of function corresponding to step.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of straightening processing method of strip, which is characterized in that the described method includes:
It is closed respectively with the coupling of straightening elongation percentage, band yield strength, thickness of strip, straightening roll insertion based on straightening tension
System, establishes the mathematical model of straightening tension:
Wherein, σ 'FTo calculate straightening tension, σSIt is thickness of strip for band yield strength, h, ε is straightening elongation percentage, δ is aligning
Roller insertion, a2、a3For thickness effect coefficient；a4、a5、a6Coefficient is influenced for yield strength；a7、a8、a9For the influence of straightening elongation percentage
Coefficient；a10、a11Coefficient is influenced for straightening roll insertion；a1、a12For comprehensive effect coefficient；
Based on the straightening supplemental characteristic in n group actual production, straightening parameter matrix is established, the straightening parameter includes straightening
Power, band yield strength, thickness of strip, straightening elongation percentage, straightening roll insertion；
Based on the straightening parameter matrix, the mathematical model of the straightening tension is optimized, a straightening after being optimized
The value of the coefficient of the mathematical model of power, the mathematical model of the straightening tension optimized；
The mathematical model of straightening tension based on the optimization carries out straightening processing to the strip in cold-rolling galvanization straightening technique.
2. the method as described in claim 1, which is characterized in that it is described based on straightening tension respectively with straightening elongation percentage, band
Yield strength, thickness of strip, straightening roll insertion coupled relation, establish the mathematical model of straightening tension, specifically:
Based on the straightening tension and the band yield strength, straightening elongation percentage at quadratic function relation, the straightening tension
With thickness of strip h exponentially functional relation, the straightening tension and the straightening roll insertion are established and are drawn at linear function relationship
Rectify the mathematical model of tension.
3. the method as described in claim 1, which is characterized in that the value range of n is [1500,2500].
4. the method as described in claim 1, which is characterized in that it is described to be based on the straightening parameter matrix, to the straightening
The mathematical model of power optimizes, and the value of the coefficient of the mathematical model of the straightening tension after being optimized specifically includes:
To the value preset initial value of the coefficient of the mathematical model of straightening tension；
The preset initial value and straightening parameter matrix are substituted into the mathematical model of the straightening tension, n group is obtained and calculates straightening
Tension value；
Straightening tension value and the practical straightening tension value of n group are calculated based on the n group, obtains the adaptation based on the preset initial value
Spend result；
When the fitness result based on the preset initial value is less than preset value, genetic algorithm is used to the preset initial value
It calculates, the first generation predictive coefficient value after obtaining iteration；
Mathematical model based on the first child coefficient value, the straightening parameter matrix S and straightening tension obtains and is based on institute
State the fitness result of first child coefficient value；
Judge whether the fitness result based on the first child coefficient value is greater than preset value；
When being less than the preset value, continue to be iterated the first child coefficient value using genetic algorithm, until obtaining
N filial generation coefficient value fitness result be greater than the preset value when, the mathematical modulo of the straightening tension after obtaining the optimization
The value of the coefficient of type.
5. method as claimed in claim 4, which is characterized in that based on the fitness result by the preset initial value
It is as follows to calculate formula:
Wherein, σFFor i-th group of practical straightening tension value in the straightening tension value in n group actual production, σ 'FStraightening is calculated for n group
I-th group of calculating straightening tension value in tension value.
6. a kind of straightening processing unit of strip characterized by comprising
The mathematical model of straightening tension establishes module, for based on straightening tension respectively with straightening elongation percentage, band yield strength,
The coupled relation of thickness of strip, straightening roll insertion establishes the mathematical model of straightening tension:
Wherein, σ 'FTo calculate straightening tension, σSIt is thickness of strip for band yield strength, h, ε is straightening elongation percentage, δ is aligning
Roller insertion, a2、a3For thickness effect coefficient；a4、a5、a6Coefficient is influenced for yield strength；a7、a8、a9For the influence of straightening elongation percentage
Coefficient；a10、a11Coefficient is influenced for straightening roll insertion；a1、a12For comprehensive effect coefficient；
Straightening parameter matrix establishes module, for establishing straightening parameter square based on the straightening supplemental characteristic in n group actual production
Battle array, the straightening parameter includes straightening tension, band yield strength, thickness of strip, straightening elongation percentage, straightening roll insertion:
Optimization module optimizes the mathematical model of the straightening tension, obtains excellent for being based on the straightening parameter matrix
The value of the coefficient of the mathematical model of straightening tension after change, the mathematical model of the straightening tension optimized；
Processing module, for the mathematical model of the straightening tension based on the optimization, to the strip in cold-rolling galvanization straightening technique
Carry out straightening processing.
7. device as claimed in claim 6, which is characterized in that the mathematical model of the straightening tension establishes module, specific to use
In:
Based on the straightening tension and the band yield strength, straightening elongation percentage at quadratic function relation, the straightening tension
With thickness of strip exponentially functional relation, the straightening tension and the straightening roll insertion are established and are drawn at linear function relationship
Rectify the mathematical model of tension.
8. device as claimed in claim 6, which is characterized in that the optimization module specifically includes:
Initial value presets unit, the value preset initial value of the coefficient for the mathematical model to straightening tension；
First obtains unit, for the preset initial value and straightening parameter matrix to be substituted into the mathematical modulo of the straightening tension
Type obtains n group and calculates straightening tension value；
Second obtaining unit obtains for calculating straightening tension value and the practical straightening tension value of n group based on the n group and is based on institute
State the fitness result of preset initial value；
Third obtaining unit, for being preset to described when the fitness result based on the preset initial value is less than preset value
Initial value is calculated using genetic algorithm, the first generation predictive coefficient value after obtaining iteration；
4th obtaining unit, for the number based on the first child coefficient value, the straightening parameter matrix S and straightening tension
Model is learned, the fitness result based on the first child coefficient value is obtained；
Judging unit, for judging whether the fitness result based on the first child coefficient value is greater than preset value；
5th obtaining unit, for continuing to the first child coefficient value using genetic algorithm when being less than the preset value
It is iterated, until when the fitness result of the N filial generation coefficient value obtained is greater than the preset value, after obtaining the optimization
The value of the coefficient of the mathematical model of straightening tension.
9. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor is realized when executing described program such as any claim institute in claim 1-5
The method and step stated.
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