Method for controlling width of head and tail of electrical steel and related equipment

Abstract

The invention discloses an electrical steel head and tail width control method and related equipment, and relates to the technical field of rolling process automatic control. The product component identification results are classified according to the finished product size and the rough rolling pass, and classification marks are obtained; electrical steel head and tail width control parameters are obtained according to the classification identification; and controlling the head-tail width of the electrical steel according to the electrical steel head-tail width control parameters. And through an electrical steel head and tail width control mode, the head and tail width control precision is improved, and the local serious ultra-wide amplitude of the head is reduced. The yield of a silicon steel production line is greatly improved, and meanwhile, the accident of scrap steel caused by the fact that the coiling side guide plate is clamped due to the fact that the local width of the head is serious is effectively prevented.

Description

Technical Field

[0001] The present application relates to the technical field of automatic control of rolling processes, and in particular to a method for controlling the head and tail width of electrical steel and related equipment. Background Art

[0002] At present, in the rough rolling process of hot-rolled strip, the large vertical roller side pressure width adjustment technology is used to reduce the online width adjustment of the continuous casting machine and reduce the width types of the slab. However, the large side pressure of the vertical roller causes the width of the slab to be unqualified within a considerable length range at the head and tail of the slab. In order to avoid this situation, short stroke control, namely SSC (Short stroke Control), is adopted in the hot rolling production process. When controlling the head and tail of the slab, the vertical roller sets a different reduction and roll gap value from the middle of the slab.

[0003] However, due to the influence of different steel grades, different specifications and incoming material width, different short-stroke control parameters must be used in the actual production process to meet the strip width requirements of different specifications. In this way, it is necessary to continuously adjust and improve the short-stroke control parameters according to the actual situation. There must be a fast and effective parameter modification tool to ensure that the control parameters are modified in time during the production process to achieve a good width control effect. At present, there is no appropriate method to solve the above problems. Therefore, it is necessary to propose a method for controlling the head and tail width of electrical steel to at least solve some of the above problems. Summary of the invention

[0004] A series of simplified concepts are introduced in the Summary of the Invention section, which will be further described in detail in the Detailed Description of the Invention section. The Summary of the Invention section of this application does not mean to attempt to define the key features and essential technical features of the claimed technical solution, nor does it mean to attempt to determine the scope of protection of the claimed technical solution.

[0005] In a first aspect, an embodiment of the present application provides a method for controlling the width of a head and a tail of an electrical steel, the method comprising:

[0006] Obtain product ingredient identification results;

[0007] Classifying the product component identification results according to the finished product size and the rough rolling pass to obtain a classification mark;

[0008] Obtaining the control parameters of the head and tail width of the electrical steel according to the classification mark;

[0009] The head and tail widths of the electrical steel are controlled according to the electrical steel head and tail width control parameters.

[0010] In one embodiment of the present invention, the step of obtaining the product ingredient identification result includes:

[0011] Get product information;

[0012] The product information is analyzed and identified to obtain a product component identification result.

[0013] In one embodiment of the present invention, the steps after obtaining the product ingredient identification result include:

[0014] When the product composition identification result is electrical steel, the electrical steel head and tail width control mode is started;

[0015] When the electrical steel head and tail width control mode is started, the product component identification result is classified according to the finished product size and the rough rolling pass to obtain a classification mark.

[0016] In one embodiment of the present invention, the step of controlling the head and tail width of the electrical steel according to the electrical steel head and tail width control parameter comprises:

[0017] Calculating the electrical steel head and tail width control curve function according to the electrical steel head and tail width control parameters;

[0018] The head and tail widths of the electrical steel are controlled according to the electrical steel head and tail width control curve function.

[0019] In one embodiment of the present invention, the electrical steel head and tail width control curve function is expressed as:

[0020]

[0021] Among them, A trim For short stroke control opening, B shaper is an array related to pass and size, C length Control length for head and tail width.

[0022] In one embodiment of the present invention, the short stroke control opening is expressed as:

[0023] A trim =W trim +S trim ;

[0024] Among them, W trim =P width ×P1+(P fix -P width )×P2 / P fix , P width Calculate the width of each rough rolling pass, P fix is a fixed width value designed according to the length of the rough rolling work roll. P1 is the first width compensation coefficient, and P2 is the second width compensation coefficient. trim =D width ×D1+(W fix-D width )×D2 / D fix , D width is the width reduction calculated for each rough rolling pass, D fix It is the fixed width reduction per pass designed according to the equipment capacity. D1 is the first width reduction compensation coefficient, and D2 is the second width reduction compensation coefficient.

[0025] In one embodiment of the present invention, the head and tail width control length is expressed as:

[0026]

[0027] Among them, D width is the width reduction calculated for each rough rolling pass, D dia The current vertical roller diameter, C1 is the head and tail width control length coefficient.

[0028] In a second aspect, the present application proposes a starting thickness control system for a twenty-high rolling mill, the system comprising: a data acquisition module, an identification module and a control module;

[0029] The data acquisition module is configured to: acquire product ingredient identification results;

[0030] The identification module is configured to: classify the product component identification result according to the finished product size and the rough rolling pass to obtain a classification mark;

[0031] The control module is configured to: obtain the electrical steel head and tail width control parameter according to the classification identifier; and control the electrical steel head and tail width according to the electrical steel head and tail width control parameter.

[0032] In a third aspect, an electronic device comprises: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor is configured to implement the steps of a method for controlling the width of electrical steel head and tail as described in any one of the first aspects above when executing the computer program stored in the memory.

[0033] In a fourth aspect, the present application further proposes a computer-readable storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the steps of a method for controlling the width of electrical steel head and tail according to any one of the first aspects are implemented.

[0034] In summary, a method for controlling the head and tail width of electrical steel in an embodiment of the present application includes: obtaining product component identification results; classifying the product component identification results according to the finished product size and the rough rolling pass to obtain a classification mark; obtaining the head and tail width control parameters of the electrical steel according to the classification mark; and controlling the head and tail width of the electrical steel according to the head and tail width control parameters of the electrical steel. Through the head and tail width control mode of electrical steel, the head and tail width control accuracy is improved, and the local serious over-width range of the head is reduced. The yield rate of the silicon steel production line is greatly improved, and at the same time, the accident of scrap steel caused by the coiling side guide plate being clamped due to the serious width of the head is effectively prevented.

[0035] The method for controlling the width of the head and tail of electrical steel proposed in this application, and other advantages, objectives and features of this application will be reflected in part through the following description, and will also be understood by technicians in this field through research and practice of this application. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present specification. Also, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0037] Figure 1 A schematic diagram of a process for controlling the width of the head and tail of electrical steel provided in an embodiment of the present application;

[0038] Figure 2 A schematic diagram of the structure of a control system for the head and tail width of electrical steel provided in an embodiment of the present application;

[0039] Figure 3 A schematic diagram of the structure of an electronic device for controlling the head and tail width of electrical steel provided in an embodiment of the present application. DETAILED DESCRIPTION

[0040] In order to better understand the technical solutions provided by the embodiments of this specification, the technical solutions of the embodiments of this specification are described in detail below through the accompanying drawings and specific embodiments. It should be understood that the embodiments of this specification and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of this specification, rather than limitations on the technical solutions of this specification. In the absence of conflict, the embodiments of this specification and the technical features in the embodiments can be combined with each other.

[0041] In this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. In the absence of more restrictions, the elements limited by the statement "comprise one..." do not exclude the existence of other identical elements in the process, method, article or equipment including the elements. The term "more than two" includes two or more than two situations.

[0042] In order to improve the yield rate of the silicon steel production line, the equipment was upgraded and renovated. A lead-in unit was added between the CP and ZR units, and the head and tail cutting loss range of the hot-rolled electrical steel was reduced from the original 10m for the head and 10-15m for the tail to the current 5m for the head and 2m for the tail. The cutting loss of each roll of electrical steel was reduced by nearly 15m, with an average cutting loss of 280kg to 300kg, thereby greatly improving the yield rate of the silicon steel production line.

[0043] Due to the update of silicon steel unit equipment conditions, the length of lost packages at the entrance of silicon steel ZR mill has been reduced by about 5m. After the silicon steel production process was changed, the over-wide parts of the head and tail of hot-rolled electrical steel would scrape the guide rollers of the silicon steel mill, causing edge breakage quality defects. In severe cases, there is even a risk of strip breakage, while the original production conditions did not have edge scraping. This puts forward higher quality requirements for the width control of hot-rolled electrical steel. The width of the head of the hot-rolled finished product of 5 to 10m needs to be controlled within 20mm compared to the overall width (the head 5m silicon steel needs to be cut off).

[0044] The width of hot-rolled electrical steel products is generally about 40mm over-width within 10m of the head, and the pass rate of over-width ≤20mm is very low. In order to meet the needs of users to improve the yield rate and reduce potential user complaints, it is urgent to improve the control accuracy of the head and tail width of electrical steel.

[0045] See also Figure 1 , which is a schematic flow diagram of a method for controlling the width of the head and tail of electrical steel provided in an embodiment of the present application, which may specifically include:

[0046] S110, obtaining product ingredient identification results;

[0047] For example, the purpose of obtaining the product composition identification result is to determine the specific chemical composition and its ratio contained in the product. For electrical steel, the product composition identification result includes the content of main elements such as iron, silicon, aluminum, and the type and content of impurity elements. This composition information is crucial to determine whether the product is electrical steel and to select a specific production control mode.

[0048] S120, classifying the product component identification result according to the finished product size and the rough rolling pass to obtain a classification mark;

[0049] For example, finished product size refers to the final size of the product after production is completed. This can include measurements of dimensions such as length, width, thickness, etc. Different finished product sizes may correspond to different product uses and market demands. For example, larger sizes of electrical steel may be used in the manufacture of large transformers, while smaller sizes may be suitable for small electrical equipment.

[0050] By considering the finished product size, products with similar size characteristics can be grouped together. This helps to conduct more targeted management and control during the production process, such as formulating specific processing technology, selecting appropriate equipment and tools, etc.

[0051] Roughing pass is an important step in the steel production process. During the roughing stage, the steel billet is rolled several times to gradually reduce its thickness and improve its internal structure. Different roughing passes may have an impact on the performance and quality of the product.

[0052] For example, more roughing passes may make the product's structure more uniform and its performance more stable. By classifying the product composition identification results according to the roughing passes, products that have undergone similar roughing processes can be grouped together. This helps to analyze the impact of different roughing passes on product composition and performance, thereby optimizing the production process.

[0053] Classifying product composition identification results according to finished product size and roughing pass can better understand and manage product diversity, provide a basis for decision-making in the production process, and improve production efficiency and product quality.

[0054] S130, obtaining a control parameter of the head and tail width of the electrical steel according to the classification mark;

[0055] Exemplarily, the classification mark is obtained by classifying the product component identification results according to the finished product size and the rough rolling pass. Its main function is to distinguish and classify different types of products so that the corresponding control parameters and process requirements can be found quickly and accurately in the subsequent production process. The corresponding electrical steel head and tail width control parameters are read according to the classification mark, wherein the electrical steel head and tail width control parameters include the first width compensation coefficient, the second width compensation coefficient, the first width reduction compensation coefficient, the second width reduction compensation coefficient and the head and tail width control length coefficient.

[0056] S140, controlling the head and tail width of the electrical steel according to the electrical steel head and tail width control parameters.

[0057] Exemplarily, the head and tail width of the electrical steel is controlled according to the electrical steel head and tail width control parameters obtained above.

[0058] In summary, the head and tail width control method for electrical steel proposed in the embodiment of the present application improves the head and tail width control accuracy and reduces the serious over-width range of the head part through the head and tail width control mode of electrical steel. The yield rate of silicon steel production line is greatly improved, and at the same time, the accident of scrap steel caused by the clamping of the coiling side guide plate due to the serious over-width of the head part is effectively prevented.

[0059] In some examples, the step of obtaining the product ingredient identification result includes:

[0060] Get product information;

[0061] The product information is analyzed and identified to obtain a product component identification result.

[0062] For example, product information is obtained, the product information is studied and judged, and the components present in the product are analyzed. After the analysis and identification process, the product component identification result is obtained.

[0063] In some examples, the steps after obtaining the product ingredient identification result include:

[0064] When the product composition identification result is electrical steel, the electrical steel head and tail width control mode is started;

[0065] When the electrical steel head and tail width control mode is started, the product component identification result is classified according to the finished product size and the rough rolling pass to obtain a classification mark.

[0066] For example, if it is determined through chemical analysis or spectral analysis that the product contains a specific proportion of silicon and iron, and meets the composition standards of electrical steel, then the product can be identified as electrical steel, and then the electrical steel head and tail width control mode is selected for production control based on this identification result. After the electrical steel head and tail width control mode is started, the product composition identification results that have been determined to be electrical steel are classified and divided according to factors such as the finished product size and rough rolling pass of the product, thereby obtaining a classification mark, which can be used to distinguish different types of electrical steel products, so as to carry out head and tail width control more targetedly in the future. Among them, the classification of the product composition identification results according to the finished product size and rough rolling pass specifically includes:

[0067] For electrical steel classification according to specifications and passes, the algorithm function is: f2(a1,a2,...,a i ,b1,b2,...,b j ,c1,c2,...,c j ,d n ), where: a1, a2, ..., a i is the finished product thickness, b1, b2, ..., b j is the finished width of the product, c1, c2, ..., c j is the roughing pass, d n is the classification mark, n is the number of classifications, i, j, n are positive integers;

[0068] In some examples, the step of controlling the width of the electrical steel head and tail according to the electrical steel head and tail width control parameter includes:

[0069] Calculating the electrical steel head and tail width control curve function according to the electrical steel head and tail width control parameters;

[0070] The head and tail widths of the electrical steel are controlled according to the electrical steel head and tail width control curve function.

[0071] For example, first, calculation is performed based on the control parameters of the head and tail width of electrical steel to obtain a curve function that can describe the control law of the head and tail width of electrical steel. Then, the head and tail width of electrical steel is actually controlled using this head and tail width control curve function to ensure that the head and tail width of electrical steel products meets production requirements.

[0072] In some examples, the electrical steel head and tail width control curve function is expressed as:

[0073]

[0074] Among them, A trim For short stroke control opening, B shaperis an array related to pass and size, C length Control length for head and tail width.

[0075] Exemplarily, the electrical steel head and tail width control curve function can be used to describe the law of electrical steel head and tail width control under different conditions. By adjusting the parameters and variables in the function, accurate control of the electrical steel head and tail width can be achieved.

[0076] In some examples, the short stroke control opening is expressed as:

[0077] A trim =W trim +S trim (2);

[0078] Among them, W trim =P width ×P1+(P fix -P width )×P2 / P fix , P width Calculate the width of each rough rolling pass, P fix is a fixed width value designed according to the length of the rough rolling work roll. P1 is the first width compensation coefficient, and P2 is the second width compensation coefficient. trim =D width ×D1+(W fix -D width )×D2 / D fix , D width is the width reduction calculated for each rough rolling pass, D fix It is the fixed width reduction per pass designed according to the equipment capacity. D1 is the first width reduction compensation coefficient, and D2 is the second width reduction compensation coefficient.

[0079] For example, the short-stroke control opening can be calculated more accurately by using formula (2), thereby providing a basis for controlling the width of the head and tail of the electrical steel.

[0080] In some examples, the head and tail width control length is expressed as:

[0081]

[0082] Among them, D width is the width reduction calculated for each rough rolling pass, D dia The current vertical roller diameter, C1 is the head and tail width control length coefficient.

[0083] In some examples, through formula (3), the appropriate head and tail width control length can be calculated according to different production conditions and requirements to achieve effective control of the head and tail width of electrical steel.

[0084] The present invention is described in detail below in conjunction with the embodiments, but they should not be construed as limiting the scope of protection of the present invention.

[0085] Example:

[0086] The present application is applied to a hot rolling line of a steel plant. The product component identification results are classified according to the finished product size and rough rolling pass information of electrical steel, and 8 specification group classification identifications are obtained. The scheme is shown in Table 1:

[0087]

[0088] Table 1

[0089] According to the test classification of electrical steel produced in daily life, the control parameters of the head and tail width of electrical steel for 8 categories are configured as follows:

[0090]

[0091]

[0092] Table 2 Roughing pass 1+3 is shown in Table 3:

[0093]

[0094] Table 3 Rough rolling pass 3+3 is shown in Table 4:

[0095]

[0096] Table 4

[0097] After implementing the control method described in this application, the control accuracy of the head and tail width is improved through the head and tail width control mode of electrical steel, and the serious over-width of the head is reduced. The yield rate of the silicon steel production line is greatly improved, and at the same time, the accident of the coiling side guide plate being clamped and causing scrap steel due to the serious over-width of the head is effectively prevented. After the head and tail width accuracy of electrical steel is greatly improved, the comparison results of 15,000 pieces of steel before and after the application of the method of the present invention are shown in Table 5:

[0098] Electrical steel width Head accuracy Tail precision Before application 32.32％ 42.7％ After application 81.28％ 87.69％

[0099] Table 5

[0100] like Figure 2 As shown, the present application proposes a control system for the head and tail width of electrical steel, the system comprising: a data acquisition module 21, an identification module 22 and a control module 23;

[0101] The data acquisition module 21 is configured to: acquire product ingredient identification results;

[0102] The identification module 22 is configured to: classify the product component identification results according to the finished product size and the rough rolling pass to obtain a classification mark;

[0103] The control module 23 is configured to: obtain the electrical steel head and tail width control parameter according to the classification identifier; and control the electrical steel head and tail width according to the electrical steel head and tail width control parameter.

[0104] The effects of the above-mentioned system when applying the above-mentioned method can be found in the description of the above-mentioned method embodiment, which will not be repeated here.

[0105] like Figure 3 As shown, an embodiment of the present application further provides an electronic device 300, including a memory 310, a processor 320, and a computer program 311 stored in the memory 310 and executable on the processor. When the processor 320 executes the computer program 311, the steps of any of the above-mentioned methods for controlling the head and tail width of electrical steel are implemented.

[0106] Since the electronic device introduced in this embodiment is a device used to implement a head and tail width control device for electrical steel in the embodiment of the present application, based on the method introduced in the embodiment of the present application, technical personnel in this field can understand the specific implementation mode of the electronic device of this embodiment and its various variations, so how the electronic device implements the method in the embodiment of the present application is not introduced in detail here. As long as the equipment used by technical personnel in this field to implement the method in the embodiment of the present application is within the scope of protection of this application.

[0107] In the specific implementation process, when the computer program 311 is executed by the processor, it can achieve Figure 1 Any implementation manner in the corresponding embodiments.

[0108] It should be noted that in the above embodiments, the description of each embodiment has its own emphasis, and for parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0109] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented in one or more computer-readable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) that contain computer-readable program code.

[0110] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded computer, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0111] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0112] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0113] An embodiment of the present application also provides a computer program product, which includes computer software instructions. When the computer software instructions are executed on a processing device, the processing device executes the process of the LDPC decoding method of the solid-state hard disk controller.

[0114] The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, the process or function according to the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions can be transmitted from a website site, a computer, a server or a data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center. The computer-readable storage medium can be any available medium that a computer can store or a data storage device such as a server or a data center that includes one or more available media integration. The available medium can be a magnetic medium, (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid state drive (SSD)), etc.

[0115] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0116] In the several embodiments provided in the present application, it should be understood that the disclosed devices, apparatuses and methods can be implemented in other ways. For example, the device embodiments described above are only schematic, for example, the division of units is only a logical function division, and there may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.

[0117] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0118] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0119] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the various embodiments of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), disk or optical disk and other media that can store program codes.

[0120] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

[0121] Although the preferred embodiments of this specification have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of this specification.

[0122] Obviously, those skilled in the art can make various changes and modifications to this specification without departing from the spirit and scope of this specification. Thus, if these modifications and variations of this specification fall within the scope of the claims of this specification and their equivalents, this specification is also intended to include these modifications and variations.

Claims

1. A method for controlling the width of electrical steel head and tail, characterized in that: The method comprises: Obtain product ingredient identification results; Classifying the product component identification results according to the finished product size and the rough rolling pass to obtain a classification mark; Obtaining the control parameters of the head and tail width of the electrical steel according to the classification mark; The head and tail widths of the electrical steel are controlled according to the electrical steel head and tail width control parameters.

2. A method for controlling the width of electrical steel head and tail according to claim 1, characterized in that: The step of obtaining the product ingredient identification result comprises: Get product information; The product information is analyzed and identified to obtain a product component identification result.

3. A method for controlling the width of electrical steel head and tail according to claim 1, characterized in that: The steps after obtaining the product ingredient identification result include: When the product composition identification result is electrical steel, the electrical steel head and tail width control mode is started; When the electrical steel head and tail width control mode is started, the product component identification result is classified according to the finished product size and the rough rolling pass to obtain a classification mark.

4. A method for controlling the width of electrical steel head and tail according to claim 1, characterized in that: The step of controlling the width of the electrical steel head and tail according to the electrical steel head and tail width control parameter comprises: Calculating the electrical steel head and tail width control curve function according to the electrical steel head and tail width control parameters; The head and tail widths of the electrical steel are controlled according to the electrical steel head and tail width control curve function.

5. A method for controlling the width of electrical steel head and tail according to claim 4, characterized in that: The electrical steel head and tail width control curve function is expressed as: Among them, A trim For short stroke control opening, B shaper is an array related to pass and size, C length Control length for head and tail width.

6. A method for controlling the width of electrical steel head and tail according to claim 5, characterized in that: The short stroke control opening is expressed as: A trim =W trim +S trim ; Among them, W trim =P width ×P1+(P fix -P width )×P2 / P fix , P width Calculate the width of each rough rolling pass, P fix is a fixed width value designed according to the length of the rough rolling work roll. P1 is the first width compensation coefficient, and P2 is the second width compensation coefficient. trim =D width ×D1+(W fix -D width )×D2 / D fix , D width is the width reduction calculated for each rough rolling pass, D fix It is the fixed width reduction per pass designed according to the equipment capacity. D1 is the first width reduction compensation coefficient, and D2 is the second width reduction compensation coefficient.

7. A method for controlling the width of electrical steel head and tail according to claim 5, characterized in that: The head and tail width control length is expressed as: Among them, D width is the width reduction calculated for each rough rolling pass, D dia The current vertical roller diameter, C1 is the head and tail width control length coefficient.

8. A control system for the head and tail width of electrical steel, characterized in that: The system comprises: a data acquisition module, an identification module and a control module; The data acquisition module is configured to: acquire product ingredient identification results; The identification module is configured to: classify the product component identification result according to the finished product size and the rough rolling pass to obtain a classification mark; The control module is configured to: obtain the electrical steel head and tail width control parameter according to the classification identifier; and control the electrical steel head and tail width according to the electrical steel head and tail width control parameter.

9. An electronic device, comprising: A memory and a processor, wherein the processor is used to implement the steps of a method for controlling the head and tail width of electrical steel as described in any one of claims 1 to 7 when executing a computer program stored in the memory.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of a method for controlling the head and tail width of electrical steel as described in any one of claims 1 to 7 are implemented.

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