A control method and device of cold-rolled plate strip and electronic equipment

Abstract

The application discloses a kind of cold-rolled plate strip control method, device and electronic equipment, the method is applied to cold rolling mill, the cold rolling mill includes coiler, the method includes: obtaining the set tension of coiler;Based on set tension and preset thickness coupling tension coefficient, determine the thickness coupling start-up tension of coiler, thickness coupling tension coefficient is determined based on the thickness of strip steel;Based on thickness coupling start-up tension and set tension, determine the given tension of coiler;Given tension is brought into preset current calculation model, determine the first target current of coiler;Control coiler current rises from initial value to first target current, to complete strip steel build tension.According to the given tension of coiler that strip steel thickness is adjusted, so that given tension reaches the start-up required of different thicknesses of strip steel, is favorable to solve the various fault conditions caused by start-up given tension deficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of cold rolling production, and in particular to a control method, device and electronic equipment for a cold-rolled strip. Background Art

[0002] Rolling is the primary process for deforming plates and strips. Hot-rolled raw materials undergo multiple passes of cold rolling to reduce them to the finished thickness. For reversible rolling mills, each cold rolling pass requires a start-up operation. The cold rolling start-up process for plates and strips progresses from a stationary state to an unstable state and then to a stable rolling state. During the start-up process, parameters such as rolling speed, tension, rolling force, and roll gap fluctuate dramatically, making start-up failures such as low-tension deviation, strip breakage due to loss of tension, and high-tension breakage very likely to occur. To effectively improve the stability of cold-rolled plate and strip starting, it is essential to invent a method for controlling the tension of cold-rolled plate and strip. Summary of the Invention

[0003] The embodiments of the present application provide a control method, device and electronic equipment for cold-rolled strips, which adjust the given tension of the coiler according to the thickness of the strip, so that the given tension reaches the starting tension required for strips of different thicknesses, which is conducive to solving various fault conditions caused by insufficient given tension at the start, thereby improving the stability of the starting rolling of the cold-rolled strips.

[0004] In a first aspect, the present invention provides the following technical solutions through an embodiment of the present invention:

[0005] A control method for cold-rolled strip is applied to a cold rolling mill, wherein the cold rolling mill includes a coiler, and the method includes: obtaining a set tension of the coiler; determining a thickness-coupled starting tension of the coiler based on the set tension and a preset thickness-coupled tension coefficient, wherein the thickness-coupled tension coefficient is determined based on the thickness of the strip; determining a given tension of the coiler based on the thickness-coupled starting tension and the set tension; bringing the given tension into a preset current calculation model to determine a first target current of the coiler; and controlling the coiler current to rise from an initial value to the first target current to complete strip tension building.

[0006] Preferably, the preset current calculation model is: I = (T×R×(10 / i))×(b / 100)×g; wherein I is the first target current, T is the given tension, R is the radius of the cold-rolled steel coil, i is the motor transmission ratio of the coiler, b is the torque current of the coiler, and g is the acceleration of gravity.

[0007] Preferably, the cold rolling mill also includes a continuous rolling mill, which is connected to the coiler. After completing the strip building, it also includes: obtaining the rolling speed of the continuous rolling mill; determining the outlet coiling speed of the coiler according to the rolling speed, so that the coiler coils the strip based on the outlet coiling speed.

[0008] Preferably, the outlet coiling speed of the coiler is determined based on the rolling speed, including: if the rolling speed is less than or equal to the preset rolling speed, then the outlet coiling speed is determined to be equal to the product of the rolling speed and a preset thickness coupling speed gain, and the thickness coupling speed gain is determined based on the thickness of the strip; if the rolling speed is greater than the preset rolling speed, then the outlet coiling speed is determined to be equal to the product of the actual forward slip value and 1 added together and then multiplied by the rolling speed, and the actual forward slip value is determined based on the relative difference between the actual running speed of the strip and the rolling speed.

[0009] Preferably, the preset rolling speed is between 25 mpm and 30 mpm.

[0010] Preferably, the thickness coupling velocity gain is between 1.0 and 1.15.

[0011] Preferably, the cold rolling mill also includes a continuous rolling mill, which is connected to the coiler. After completing the strip tensioning, it also includes: adjusting the tension based on the set tension and thickness control, updating the given tension, the thickness control adjusting tension is determined based on the thickness adjustment amount and the preset thickness influence coefficient; bringing the updated given tension into the preset current calculation model to determine the second target current of the coiler; controlling the current of the coiler to be equal to the second target current to complete the starting tension control.

[0012] Preferably, the preset thickness coupling tension coefficient is between -0.2 and 0.6.

[0013] In a second aspect, the present invention provides the following technical solution through an embodiment of the present invention:

[0014] A control device for a cold-rolled strip, comprising:

[0015] A first acquisition module is used to obtain the set tension of the coiler;

[0016] a starting tension acquisition module, configured to determine the thickness-coupled starting tension of the coiler based on the set tension and a preset thickness-coupled tension coefficient, wherein the thickness-coupled tension coefficient is determined based on the thickness of the strip;

[0017] a given tension acquisition module, configured to determine the given tension of the coiler based on the thickness-coupled starting tension and the set tension;

[0018] a target current determination module, configured to bring the given tension into a preset current calculation model to determine a first target current of the coiler;

[0019] The first control module is used to control the coiler current to increase from an initial value to the first target current to complete the strip tensioning.

[0020] In a third aspect, the present invention provides the following technical solution through an embodiment of the present invention:

[0021] An electronic device comprises: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the steps of any one of the methods described in the first aspect are implemented.

[0022] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0023] The control method for cold-rolled plates and strips provided in an embodiment of the present invention is applied to a cold rolling mill, wherein the cold rolling mill includes a coiler, and the method includes: obtaining the set tension of the coiler and operating to establish tension; obtaining the thickness-coupled starting tension of the coiler based on the set tension and a preset thickness-coupled tension coefficient; obtaining a given tension based on the thickness-coupled starting tension and the set tension; bringing the given tension into a preset current calculation model to calculate the first target current of the coiler; and completing the tension establishment when the coiler current rises from the initial value to the first target current. This application applies the thickness-coupled starting tension so that the given tension reaches the starting requirement of strips of different thicknesses, thereby solving the problem of instantaneous deviation caused by insufficient starting given tension and the problem of breaking caused by excessive set tension, thereby completing the tension establishment process. This method can make the cold rolling starting process of the plate and strip more stable, avoid the influence of different strip thicknesses on the cold rolling process, and achieve smooth rolling of the cold-rolled plate and strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 A flow chart of a control method for a cold-rolled strip provided by an embodiment of the present invention;

[0026] Figure 2 A tension control flow chart provided in an embodiment of the present invention;

[0027] Figure 3 A schematic structural diagram of a control device for cold-rolled strip provided by an embodiment of the present invention;

[0028] Figure 4 A schematic structural diagram of an electronic device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0029] The embodiments of the present application provide a control method, device and electronic equipment for cold-rolled plates and strips, which adjust the given tension of the coiler according to the thickness of the strip, so that the given tension meets the requirements for starting strips of different thicknesses, solves various fault conditions caused by insufficient given tension at the start, and is beneficial to improving the stability of the starting rolling of cold-rolled plates and strips.

[0030] The overall idea of ​​the technical solution of the embodiment of this application is as follows:

[0031] A control method for cold-rolled strip is applied to a cold rolling mill, wherein the cold rolling mill includes a coiler, and the method includes: obtaining a set tension of the coiler; determining a thickness-coupled starting tension of the coiler based on the set tension and a preset thickness-coupled tension coefficient, wherein the thickness-coupled tension coefficient is determined based on the thickness of the strip; determining a given tension of the coiler based on the thickness-coupled starting tension and the set tension; bringing the given tension into a preset current calculation model to determine a first target current of the coiler; and controlling the coiler current to rise from an initial value to the first target current to complete strip tension building.

[0032] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0033] In a first aspect, an embodiment of the present invention provides a control method for a cold-rolled strip, specifically, Figure 1 As shown, the method includes the following steps S101 to S105.

[0034] Step S101, obtaining the set tension of the coiler;

[0035] Step S102, determining the thickness coupling starting tension of the coiler based on the set tension and a preset thickness coupling tension coefficient, wherein the thickness coupling tension coefficient is determined based on the thickness of the strip;

[0036] Step S103, determining a given tension of the coiler based on the thickness-coupled starting tension and the set tension;

[0037] Step S104, bringing the given tension into a preset current calculation model to determine a first target current of the coiler;

[0038] Step S105 , controlling the coiler current to increase from the initial value to the first target current to complete the strip tensioning.

[0039] Specifically, the tension is set to a set value, which can be manually input or obtained by the cold rolling mill from the previous control result. After obtaining the set tension of the coiler, the tension is established.

[0040] In specific implementations, the thickness-coupled take-off tension of the coiler is determined based on the set tension and a preset thickness-coupled tension coefficient. This involves multiplying the set tension by the thickness-coupled tension coefficient to obtain the thickness-coupled take-off tension. The thickness-coupled tension coefficient can be determined based on the thickness of the strip, with different coefficients applied to different thickness ranges. For example, the preset thickness-coupled tension coefficient is between -0.2 and 0.6, depending on the strip thickness range.

[0041] For example: when the strip thickness range is [0.05mm, 0.15mm], the thickness coupling tension coefficient is 0.3; when the strip thickness range is (0.15mm, 0.25mm], the thickness coupling tension coefficient is 0.21; when the strip thickness range is (0.25mm, 0.4mm], the thickness coupling tension coefficient is 0.08; when the strip thickness range is (0.4mm, 0.8mm], the thickness coupling tension coefficient is 0.03; when the strip thickness is greater than 0.8mm, the thickness coupling tension coefficient is -0.07.

[0042] The coiler's set tension is then calculated based on the thickness-coupled take-off tension and the set tension. Specifically, the set tension is summed with the thickness-coupled take-off tension to obtain the set tension. The thickness-coupled take-off tension represents the effect of strip thickness on the take-off tension.

[0043] In the actual control process, due to the existence of control error problems, the tension can also be manually adjusted according to actual needs. That is, on the basis of the sum of the set tension and the thickness coupling starting tension, the manual adjustment tension is added so that the given tension = set tension + thickness coupling starting tension + manual adjustment tension.

[0044] The given tension is brought into the preset current calculation model to calculate the first target current of the winder. Specifically, the preset current calculation model is: I = (T × R × (10 / i)) × (b / 100) × g;

[0045] Where, I is the first target current, 10 -1 A; T is the given tension, 10kg; R is the radius of the cold rolled steel coil, 10 -1 mm; i is the motor transmission ratio of the coiler; b is the torque current of the coiler, 10 -1A; g is the acceleration due to gravity.

[0046] Here, the radius of the cold-rolled steel coil, the motor transmission ratio of the coiler, and the torque current of the coiler can all be obtained through detection. Therefore, when the given tension is determined, the first target current can also be determined.

[0047] After the first target current is calculated, when the actual current of the winder rises from the initial value 0 to reach the first target current, the tension is established and released.

[0048] Therefore, during the tensioning process, the strip thickness is applied to couple the starting tension, so that the given tension of the coiler can meet the starting requirements of strips of different thicknesses, solving the problem of instantaneous deviation caused by insufficient given tension at the start, and the problem of breaking caused by excessive setting of tension.

[0049] In a specific embodiment, the cold rolling mill further comprises a continuous rolling mill, which is connected to a coiler, such as Figure 2 As shown, after the strip is built up, it also includes: obtaining the rolling speed of the continuous rolling mill; determining the outlet coiling speed of the coiler according to the rolling speed, so that the coiler coils the strip based on the outlet coiling speed.

[0050] Specifically, when the start of the continuous rolling mill is detected, the rolling speed of the continuous rolling mill is obtained, and the outlet coiling speed of the coiler is determined based on the rolling speed, including: if the rolling speed (that is, the rolling mill speed) is less than or equal to the preset rolling speed, then the outlet coiling speed is determined to be equal to the product of the rolling speed and the preset thickness coupling speed gain, and the thickness coupling speed gain is determined based on the thickness of the strip; if the rolling speed is greater than the preset rolling speed, then the outlet coiling speed is determined to be equal to the product of the actual forward slip value and 1 added together and then multiplied by the rolling speed, and the actual forward slip value is determined based on the relative difference between the actual running speed of the strip and the rolling speed.

[0051] Taking into account the differences in forward slip at different speeds, when the rolling speed is less than or equal to the preset rolling speed, the rolling speed is compensated based on the thickness coupling speed gain to obtain the exit coiling speed; when the rolling speed is greater than the preset rolling speed, the rolling speed is compensated by applying the actual forward slip value to obtain the exit coiling speed.

[0052] The thickness coupling speed gain can be determined based on the strip thickness, with different gains applied to different thickness ranges. This means that different strip thicknesses correspond to different forward slip values. For example, the thickness coupling speed gain ranges from 1.0 to 1.15 depending on the strip thickness range.

[0053] Specifically, when the mill rolling speed is ≤ the preset rolling speed c mpm, c is a set constant, and the exit coiling speed = rolling speed × thickness coupling speed gain. When the mill rolling speed is greater than c mpm, c is a set constant, and the exit coiling speed = rolling speed × (1 + actual forward slip value). The actual forward slip value can be equal to ((actual strip running speed - rolling speed) / rolling speed) * 100%, where the actual strip running speed can be measured using a speedometer. For example, the preset rolling speed can be between 25 mpm and 30 mpm.

[0054] In summary, during the operation of starting the machine, the speed gain is coupled by applying the strip thickness, so that the outlet coiling speed of the coiler corresponds to the thickness of the strip. The coiling speed affects the tension of the coiler, which reduces the drop in the tension of the coiler and solves the problem of strip breakage during starting.

[0055] In a specific embodiment, Figure 2 As shown, after completing strip tensioning, the process also includes: updating the given tension based on the set tension and thickness control tension adjustment, where the thickness control tension is determined based on the thickness adjustment amount and a preset thickness influence coefficient; entering the updated given tension into a preset current calculation model to determine a second target current for the coiler; and controlling the actual coiler current to equal the second target current to achieve differential coiler tension control at different rolling speeds. The thickness adjustment amount is the difference between the actual strip thickness and the target strip thickness; the thickness influence coefficient is a set value representing the influence of tension on thickness, and its specific value can be determined based on actual conditions.

[0056] Specifically, after the vehicle is started, the tension is adjusted and set based on the thickness control, and the given tension obtained based on the thickness-coupled starting tension is updated to obtain an updated given tension.

[0057] In the actual control process, due to the existence of control error problems, the tension can also be manually adjusted according to actual needs. That is, on the basis of the sum of the set tension and the thickness control adjustment tension, the manual adjustment tension is added so that the given tension = set tension + thickness control adjustment tension + manual adjustment tension.

[0058] The updated given tension is brought into the preset current calculation model to determine the second target current of the coiler. After the second target current is calculated, the actual current of the coiler is controlled to be equal to the second target current to achieve differential control of the coiler tension at different rolling speeds, and the tension is in the open state.

[0059] Therefore, after the starting operation, the thickness-coupled starting tension is cancelled, and the tension is adjusted based on the thickness control to obtain the given tension, realizing high-speed and low-speed tension difference control and ensuring high-speed rolling stability.

[0060] To facilitate understanding of this solution, a specific implementation example is given below:

[0061]

Build Control

[0062] 1. After sending the set parameters, operate to create a position.

[0063] 2. Thickness coupling starting tension = set tension × thickness coupling tension coefficient = 122.5kg × 0.21 = 25.725kg, where the thickness coupling tension coefficient is -0.2 to 0.6, with different coefficients for different thickness ranges. For outlet thickness = 0.17mm, thickness coupling tension coefficient = 0.21;

[0064] 3. Given tension = set tension + manually adjusted tension + thickness coupling starting tension = 122.5kg + 0 + 25.725kg = 148.2kg;

[0065] 4. Substitute the given tension into the preset current calculation model to calculate the first target current of the coiler: I = (T × R × (10 / i)) × (b / 100) × g = (1482 * (13837 / 20000) * (10 / 2.952)) * (155 / 100) * 0.98 = 5275;

[0066] in:

[0067] I—target current, 10-1A;

[0068] T—given tension, 10kg;

[0069] R—coil radius, 10-1mm;

[0070] i—coiler motor transmission ratio; b—coiler torque current, 10-1A; g—gravitational acceleration;

[0071] 5. When the coiler current rises from 0 to the first target current of 527.5A, the tension is established and released.

[0072]

Starting speed control

[0073] c is a set constant, for example, c=30 mpm.

[0074] 1. When the rolling speed is ≤30mpm, the exit coiling speed = rolling speed × thickness coupling speed gain = 25mpm × 1.14 = 28.5mpm;

[0075] 2. Exit thickness = 0.17 mm, thickness coupling velocity gain is 1.14.

[0076] 3. When the rolling speed is greater than 30 mpm, the exit coiling speed = rolling speed × (1 + actual forward slip value) = 500 × (1 + 2.4%) = 512 mpm.

[0077]

Starting tension control

[0078] After starting the machine, the given tension = set tension + manual adjustment tension + thickness control adjustment tension = 122.5kg + 1.2kg + 0.3kg = 124kg;

[0079] Bringing the given tension into the preset current calculation model to calculate the second target current of the coiler;

[0080] Keep the actual current equal to the second target current and the tension is in the open state.

[0081] In summary, a control method for cold-rolled strip is provided through an embodiment of the present invention, so that the given tension of the coiler is dynamically adjusted according to the thickness of the strip to meet the starting requirements of strips of different thicknesses, solves various fault conditions caused by insufficient starting tension of the coiler, and is beneficial to improving the stability of starting and rolling of cold-rolled strips.

[0082] In the second aspect, based on the same inventive concept, this embodiment provides a control device for cold-rolled strip, such as Figure 3 Shown, including:

[0083] The first acquisition module 301 is used to obtain the set tension of the coiler;

[0084] a starting tension acquisition module 302 for determining the thickness-coupled starting tension of the coiler based on the set tension and a preset thickness-coupled tension coefficient, wherein the thickness-coupled tension coefficient is determined based on the thickness of the strip;

[0085] A given tension acquisition module 303 is configured to determine a given tension of the coiler based on the thickness-coupled starting tension and the set tension;

[0086] a target current determination module 304, configured to bring the given tension into a preset current calculation model to determine a first target current of the coiler;

[0087] The first control module 305 is used to control the coiler current to increase from an initial value to the first target current to complete the strip tensioning.

[0088] As an optional embodiment, the preset current calculation model is: I = (T×R×(10 / i))×(b / 100)×g; wherein I is the first target current, T is the given tension, R is the radius of the cold-rolled steel coil, i is the motor transmission ratio of the coiler, b is the torque current of the coiler, and g is the acceleration of gravity.

[0089] As an optional embodiment, the cold rolling mill further includes a tandem rolling mill, the tandem rolling mill is connected to the coiler, and the device further includes:

[0090] A rolling speed acquisition module, used for acquiring the rolling speed of the continuous rolling mill;

[0091] An exit coiling speed determination module is used to determine the exit coiling speed of the coiler according to the rolling speed, so that the coiler coils the strip based on the exit coiling speed.

[0092] As an optional embodiment, the exit coiling speed determination module is used to: if the rolling speed is less than or equal to the preset rolling speed, determine that the exit coiling speed is equal to the product of the rolling speed and a preset thickness coupling speed gain, and the thickness coupling speed gain is determined based on the thickness of the strip; if the rolling speed is greater than the preset rolling speed, determine that the exit coiling speed is equal to the product of the actual forward slip value and 1 added together and then multiplied by the rolling speed, and the actual forward slip value is determined based on the relative difference between the actual running speed of the strip and the rolling speed.

[0093] As an optional embodiment, the preset rolling speed is between 25 mpm and 30 mpm.

[0094] As an optional embodiment, the thickness coupling velocity gain is between 1.0 and 1.15.

[0095] As an optional embodiment, the cold rolling mill further includes a tandem rolling mill, the tandem rolling mill is connected to the coiler, and the device further includes:

[0096] a tension updating module, configured to update the given tension based on the set tension and the thickness control adjustment tension, wherein the thickness control adjustment tension is determined based on the thickness adjustment amount and a preset thickness influence coefficient;

[0097] a second target current determination module, configured to bring the updated given tension into the preset current calculation model to determine a second target current of the coiler;

[0098] The second control module is used to control the actual current of the winder to be equal to the second target current to complete the starting tension control.

[0099] As an optional embodiment, the preset thickness coupling tension coefficient is between -0.2 and 0.6.

[0100] The above modules can be implemented by software codes, in which case the above modules can be stored in the memory of the control device. The above modules can also be implemented by hardware such as integrated circuit chips.

[0101] An embodiment of the present invention provides a control device for cold-rolled strip, the implementation principle and technical effects of which are the same as those of the aforementioned method embodiment. For the sake of brief description, for matters not mentioned in the device embodiment, reference may be made to the corresponding contents in the aforementioned method embodiment.

[0102] In a third aspect, based on the same inventive concept, this embodiment provides an electronic device 500, such as Figure 4 As shown, it includes: a memory 501, a processor 502 and a computer program 503 stored in the memory and capable of running on the processor. When the processor 501 executes the program, the steps of the control method for the cold-rolled strip described in the first aspect are implemented.

[0103] Although the preferred embodiments of the present invention 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 the present invention.

[0104] Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such changes and modifications fall within the scope of the claims and their equivalents, the present invention is intended to include such changes and modifications.

Claims

1. A control method for cold-rolled strip, characterized in that: Applied to a cold rolling mill, the cold rolling mill including a coiler, the method comprising: Obtaining a set tension of the coiler; Determining the thickness coupling starting tension of the coiler based on the set tension and a preset thickness coupling tension coefficient, wherein the thickness coupling tension coefficient is determined based on the thickness of the strip; Determining a given tension of the coiler based on the thickness-coupled starting tension and the set tension; Bringing the given tension into a preset current calculation model to determine a first target current of the coiler; controlling the coiler current to increase from an initial value to the first target current to complete strip building; the cold rolling mill further comprising a tandem rolling mill connected to the coiler, and after completing strip building, further comprising: obtaining a rolling speed of the tandem rolling mill; determining an exit coiling speed of the coiler based on the rolling speed, so that the coiler coils the strip based on the exit coiling speed; Determining the exit coiling speed of the coiler according to the rolling speed includes: if the rolling speed is less than or equal to a preset rolling speed, determining the exit coiling speed to be equal to the product of the rolling speed and a preset thickness coupling speed gain, where the thickness coupling speed gain is determined based on the thickness of the strip; if the rolling speed is greater than the preset rolling speed, determining the exit coiling speed to be equal to the product of the sum of an actual forward slip value and 1 and the sum of the sum and the rolling speed, where the actual forward slip value is determined based on the relative difference between the actual running speed of the strip and the rolling speed; After completing the strip tensioning, it also includes: updating the given tension based on the set tension and thickness control adjustment tension, the thickness control adjustment tension is determined based on the thickness adjustment amount and the preset thickness influence coefficient; bringing the updated given tension into the preset current calculation model to determine the second target current of the coiler; controlling the current of the coiler to be equal to the second target current to complete the starting tension control.

2. The method according to claim 1, wherein The preset current calculation model is: I=(T×R×(10 / i))×(b / 100)×g; Among them, I is the first target current, T is the given tension, R is the radius of the cold-rolled steel coil, i is the motor transmission ratio of the coiler, b is the torque current of the coiler, and g is the acceleration of gravity.

3. The method according to claim 1, wherein The preset rolling speed is between 25 mpm and 30 mpm.

4. The method according to claim 1, wherein The thickness coupling velocity gain is between 1.0 and 1.

15.

5. The method according to claim 1, wherein The thickness coupling strain coefficient is between -0.2 and 0.

6.

6. A control device for cold-rolled strip, characterized in that: include: A first acquisition module is used to obtain the set tension of the coiler; a starting tension acquisition module, configured to determine the thickness-coupled starting tension of the coiler based on the set tension and a preset thickness-coupled tension coefficient, wherein the thickness-coupled tension coefficient is determined based on the thickness of the strip; a given tension acquisition module, configured to determine the given tension of the coiler based on the thickness-coupled starting tension and the set tension; a target current determination module, configured to bring the given tension into a preset current calculation model to determine a first target current of the coiler; a first control module, configured to control the coiler current to increase from an initial value to the first target current, so as to complete the strip tensioning; A rolling speed acquisition module is used to obtain the rolling speed of the continuous rolling mill; an exit coiling speed determining module, configured to determine an exit coiling speed of the coiler according to the rolling speed, so that the coiler coils the strip steel based on the exit coiling speed; The exit coiling speed determination module is configured to: if the rolling speed is less than or equal to a preset rolling speed, determine the exit coiling speed to be equal to the product of the rolling speed and a preset thickness coupling speed gain, where the thickness coupling speed gain is determined based on the thickness of the strip; if the rolling speed is greater than the preset rolling speed, determine the exit coiling speed to be equal to the product of the sum of an actual forward slip value and 1 and the sum of the sum and the rolling speed, where the actual forward slip value is determined based on the relative difference between the actual running speed of the strip and the rolling speed; a tension updating module, configured to update the given tension based on the set tension and the thickness control adjustment tension, wherein the thickness control adjustment tension is determined based on the thickness adjustment amount and a preset thickness influence coefficient; a second target current determination module, configured to bring the updated given tension into the preset current calculation model to determine a second target current of the coiler; The second control module is used to control the actual current of the winder to be equal to the second target current to complete the starting tension control.

7. An electronic device, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the steps of the method according to any one of claims 1 to 5 are implemented when the processor executes the program.

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