Multi-roller cooperative transmission method and system of copper rod continuous rolling unit

Abstract

The invention relates to the technical field of copper rod production control, in particular to a copper rod continuous rolling unit multi-roller cooperative transmission method and system.The method comprises the steps that a unified time domain reference covering an instruction generation side and a roller execution side is constructed, and the unified time domain reference is continuously calibrated when rollers work; the rolling temperature rise gradient and the real-time deformation state of the copper rod are obtained in real time, and a speed control instruction set carrying the target effective moment is generated based on the unified time domain reference; distributing a speed control instruction set to a target roller rack according to the deterministic network, and feeding back transmission delay data to an instruction generation side; and when the target effective moment arrives, all the target roller racks synchronously adjust the roller linear speed based on the unified time domain reference, and speed deviation cross-rack compensation is executed. According to the method, the problem of multi-roller dynamic interference in continuous rolling of the copper rod caused by mismatching of a physical execution time sequence and a control signal time sequence is effectively solved.

Description

Technical Field

[0001] This invention relates to the field of copper rod production control technology, and in particular to a multi-roll coordinated transmission method and system for copper rod continuous rolling mills. Background Technology

[0002] In the continuous rolling process of copper rod, the coordinated speed control of multiple stands of rolls is the core to ensure stable production. The current mainstream approach adopts a distributed control system based on real-time networks, in which a central controller periodically issues speed commands to each roll driver.

[0003] With the development of industrial communication technology, network transmission latency has been significantly reduced, but the system still faces a fundamental bottleneck: a deep disconnect between control timing and physical timing. On the one hand, the discrete control command generation mechanism makes it difficult to achieve precise synchronization of multiple roll movements; on the other hand, the inherent response lag of the mechanical system causes actual roll speed changes to continuously lag behind control signals, resulting in a lack of a unified time-domain reference between the control layer and the physical layer, leading to a continuous misalignment between speed adjustment commands and the real-time movement state of the rolls. This time-domain mismatch causes sudden changes in inter-roll tension, forcing a significant reduction in rolling speed and sacrificing production capacity, and also causing periodic quality defects on the surface of the copper rod. Although existing improvement schemes focus on optimizing network transmission efficiency or introducing predictive algorithms, they have consistently failed to overcome the timing barrier between control signals and physical responses, essentially remaining trapped in a disconnected time coordinate system between control behavior and physical state.

[0004] The information disclosed in this background section is intended only to enhance the understanding of the general background of this disclosure and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Summary of the Invention

[0005] This invention provides a multi-roll coordinated transmission method and system for copper rod continuous rolling mills, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A multi-roll coordinated conveying method for a copper rod continuous rolling mill, the method comprising: A unified time-domain reference is constructed covering the instruction generation side and the roll execution side, and the unified time-domain reference is continuously calibrated during roll operation; The rolling temperature rise gradient and real-time deformation state of the copper rod are acquired in real time, and a speed control instruction set carrying the target effective time is generated based on the unified time domain reference. Each instruction includes the spatial position identifier of the associated target roll stand and the deformation stability constraint condition of the copper rod. The speed control command set is distributed to the target roll stand according to the deterministic network, and the transmission delay data is fed back to the command generation side; When the target effective time arrives, each target roll stand synchronously adjusts the roll linear speed based on the unified time domain reference and performs cross-stand speed deviation compensation.

[0007] Furthermore, a speed control instruction set carrying the target's effective time is generated, including: Set a deformation rate constraint threshold based on the real-time deformation state; The deformation rate constraint threshold is associated with the spatial position identifier of the target roll stand to generate the deformation stability constraint condition of the copper rod; The effective time margin of the command is calculated based on the rolling temperature rise gradient, and the target effective time is determined in conjunction with the unified time domain reference. The target activation time is bound to the copper rod deformation stability constraint condition for encoding, and the speed control instruction set is generated.

[0008] Furthermore, the binding and encoding of the target effective time with the copper rod deformation stability constraint condition includes: Generate an instruction timestamp synchronized with the unified time domain reference, the instruction timestamp containing the absolute time code of the target's effective time; Construct a structured instruction tuple, which includes a field for the instruction timestamp, a field for the spatial position identifier of the target roll stand, and a field for the deformation stability constraint of the copper rod; The structured instruction tuple is encapsulated into the speed control instruction set that can be transmitted over the deterministic network.

[0009] Furthermore, the time margin for the instruction to take effect is superimposed on the current time value of the unified time domain reference to generate the target effective time in absolute time format.

[0010] Further, distributing the speed control command set to the target roll stand according to the deterministic network includes: Within the instruction scheduling cycle, a transmission time slot is allocated to each instruction. The start time of the transmission time slot is determined by reverse calculation based on the target effective time and the preset end-to-end delay upper limit. The transmission delay data is analyzed to generate a time slot offset compensation amount, and the boundary of the transmission time slot in the instruction scheduling period is dynamically compensated. The spatial location identifier is mapped to the service level identifier, so that the high service level instruction obtains redundant transmission time slot allocation.

[0011] Furthermore, the start time of the transmission time slot is calculated in reverse, including: Collect a set of historical transmission delay data and obtain the statistical distribution characteristics of the set of historical transmission delay data; A predetermined high-order critical value of the statistical distribution characteristics is selected as the upper limit of the end-to-end delay; Subtract the sum of the end-to-end delay limit and the instruction parsing delay from the target effective time to obtain the start time of the transmission time slot; The instruction parsing delay is obtained by querying a preset delay mapping table, which records the instruction processing delay corresponding to the hardware identifier of the target roll mill stand.

[0012] Furthermore, the construction of the delay mapping table includes: Send a delay detection command to the target roll stand, calculate the command parsing delay based on the difference between the sending time of the delay detection command and the receiving time of the response, and write the mapping relationship between the hardware identifier and the command parsing delay into the delay mapping table; The delay mapping table is updated when a change in the hardware configuration of the target roll stand is detected.

[0013] Furthermore, when the target effective time arrives, the speed execution status of the current stand is broadcast to the associated roll stand based on the deterministic network and the speed execution status broadcast by the adjacent stand is received. Based on the speed execution status, a speed adjustment pulse sequence is generated to drive the roll motor.

[0014] Furthermore, based on the received speed execution state of the adjacent rack and the copper rod deformation stability constraint, a speed deviation compensation between the current rack and the adjacent rack is established. The speed deviation compensation is then distributed to the corresponding target roll rack based on the deterministic network encapsulation and the speed adjustment pulse sequence is updated.

[0015] A multi-roll coordinated conveying system for a copper rod continuous rolling mill, the system comprising: The time-domain calibration module constructs a unified time-domain reference covering both the instruction generation side and the roll execution side. This unified time-domain reference is continuously calibrated during roll operation. The instruction generation module acquires the rolling temperature rise gradient and real-time deformation state of the copper rod in real time, and generates a speed control instruction set carrying the target effective time based on a unified time domain reference. The distribution feedback module distributes the speed control instruction set to the target roll stand according to the deterministic network, and feeds back the transmission delay data to the instruction generation side; When the target effective time arrives, the synchronous adjustment module synchronously adjusts the roll linear speed of each target roll stand based on a unified time domain reference and performs cross-stand compensation for speed deviation.

[0016] The technical solution of this invention can achieve the following technical effects: This effectively solves the problem of dynamic interference in multi-roll continuous rolling of copper rods caused by the mismatch between physical execution timing and control signal timing.

[0017] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the multi-roll coordinated transmission method in a copper rod continuous rolling mill. Figure 2 A flowchart illustrating the process of establishing a speed control command set; Figure 3 This is a schematic diagram of a distribution structure based on a deterministic network. Figure 4 A schematic diagram of the process for synchronously adjusting the linear speed of the rolling mill rolls. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0022] Example 1; like Figure 1 As shown, this application provides a multi-roll coordinated transmission method for copper rod continuous rolling mills, the method including: A unified time-domain reference is constructed covering the instruction generation side and the roll execution side, and the unified time-domain reference is continuously calibrated during roll operation; The rolling temperature rise gradient and real-time deformation state of the copper rod are acquired in real time, and a speed control instruction set carrying the target effective time is generated based on a unified time domain reference. Each instruction includes the spatial position identifier of the associated target roll stand and the deformation stability constraint condition of the copper rod. The speed control command set is distributed to the target roll stand according to the deterministic network, and the transmission delay data is fed back to the command generation side; When the target takes effect, each target roll stand synchronously adjusts the roll linear speed based on a unified time domain reference and performs cross-stand compensation for speed deviation.

[0023] Specifically, firstly, in practical applications, real-time acquisition of the rolling temperature rise gradient and deformation state of the copper rod can be achieved using temperature sensors and deformation monitors. Temperature changes and deformations of the copper rod are collected from different measurement points. This data, combined with a speed control command set generated from a unified time-domain reference, includes the target activation time, the spatial position identifier of the associated target roll stand, and constraints for achieving deformation stability of the copper rod. To ensure the timeliness and accuracy of information transmission, high-speed network channels and precise data distribution protocols can be used to ensure the speed control command set is transmitted to the target roll stand on time. When the command set reaches the target position, each roll stand synchronously adjusts the roll lines according to the unified time-domain reference. In the preferred implementation, this adjustment is made through an automated control system that quickly responds to commands and compensates for speed deviations across stands to ensure the continuity and consistency of deformation of the copper rod during its transfer between different rolls. This process not only improves product quality but also reduces production interruptions, ensuring the efficient operation of the production line. For example, in a certain implementation, if a sudden temperature rise or uneven deformation occurs during the copper rod rolling process, the aforementioned real-time monitoring and data feedback mechanism can promptly generate adjustment commands, enabling each roll stand to work collaboratively and automatically compensate for roll speed deviations caused by temperature changes, maintaining the stability of the copper rod deformation. This technology can improve the speed deviation problem in existing technologies and increase the overall production efficiency of the copper rod continuous rolling mill.

[0024] The technical solution of this invention effectively solves the problem of dynamic interference in multi-roll continuous rolling of copper rods caused by the mismatch between physical execution timing and control signal timing.

[0025] Furthermore, such as Figure 2 As shown, the speed control command set carrying the target's effective time is generated, including: Set the deformation rate constraint threshold based on the real-time deformation state of the copper rod. By associating the deformation rate constraint threshold with the spatial position identifier of the target roll stand, the deformation stability constraint condition of the copper rod is generated. The effective time margin of the command is calculated based on the rolling temperature rise gradient, and the effective time of the target is determined in combination with a unified time domain reference. The target activation time is bound to the copper rod deformation stability constraint condition in the encoding to generate a speed control instruction set.

[0026] As a preferred embodiment of the above, firstly, a deformation rate constraint threshold is set based on the real-time deformation state of the copper rod. In a preferred embodiment, the real-time deformation state can be collected by sensors installed near each roll stand, which can accurately capture any minute deformation of the copper rod during high-temperature rolling. Next, the deformation rate constraint threshold is associated with the spatial position identifier of the corresponding target roll stand to generate copper rod deformation stability constraints. This association is achieved through data encoding and processing, ensuring that each stand receives control commands specifically optimized for its spatial position and deformation requirements. In specific applications, this includes dynamic data analysis software, which can process monitoring data in real time and create instant adjustment strategies to meet quality and efficiency requirements. Simultaneously, in generating speed control... When generating the instruction set, the margin for the instruction's effective time is calculated based on the current rolling temperature rise gradient. Then, the target effective time is determined by combining a unified time-domain reference. To accurately calculate the effective time margin, historical rolling data of the copper rod can be used to assess the trend of temperature changes and estimate how long it will take to adjust the rolling speed. Finally, the determined target effective time is bound and encoded with the copper rod deformation stability constraints to generate the final speed control instruction set. In a preferred embodiment, this process is completed through an integrated management system platform that can efficiently encode and transmit instruction sets, enabling all relevant roll stands to adjust synchronously at the specified time. In addition, to improve production accuracy and enhance the deformation quality of the copper rod, the instruction generation system can also automatically store and transmit data, providing a reference for future motion trajectory optimization.

[0027] Furthermore, the effective time of the target is linked to the deformation stability constraint conditions of the copper rod in the coding, including: Generate instruction timestamps synchronized with a unified time-domain reference. The instruction timestamps contain the absolute time code of the target's effective time. Construct a structured instruction tuple, which includes a field for instruction timestamp, a field for spatial location identifier of the target roll stand, and a field for copper rod deformation stability constraints. Encapsulate structured instruction tuples into a deterministic network-transferable speed control instruction set.

[0028] As a preferred embodiment of the above, firstly, an instruction timestamp synchronized with a unified time domain reference is generated. The instruction timestamp contains the absolute time code of the target effective time to ensure that each rack accurately executes the operation at the specified time. In a preferred implementation, high-precision time synchronization technology can be used for synchronization to ensure a high-precision correlation between the instruction timestamp and the unified time domain reference. Next, a structured instruction tuple is constructed, which includes an instruction timestamp field, a spatial position identifier field for the target roll mill rack, and a field for the copper rod deformation stability constraint condition. The instruction tuple provides a standardized way for the system to organize and store data, making the generated instructions easy to understand and process. These instruction tuples cover all the necessary information involved in each instruction to ensure the effectiveness of instruction transmission and execution. Subsequently, the structured instruction tuple is encapsulated into a deterministic network-transmittable speed control instruction set. During the encapsulation process, it is preferred to adopt... An efficient encoding and formatting protocol is used to ensure the integrity and reliability of communication data. For example, during implementation, JSON or XML formats can be used to encapsulate instruction tuples, as these formats are commonly used for efficient network transmission and provide good readability and natural data organization. Encapsulation technology not only ensures the integrity and transmission efficiency of instructions but also increases data traceability and security. For instance, during the operation of a continuous rolling mill, the instruction generation system generates structured instruction tuples containing all necessary information by real-time detection of the temperature rise gradient and deformation rate of the copper rod. The encoding and encapsulation are completed within seconds. Subsequently, these instruction sets are transmitted to the target stand via a dedicated network for synchronous execution. This not only improves the operating efficiency of the production line but also helps reduce process deviations caused by time differences between different stands, ensuring that the copper rod is treated consistently throughout the rolling process.

[0029] Furthermore, the time margin for the instruction to take effect is superimposed onto the current time value of the unified time domain reference to generate the target effective time in absolute time format.

[0030] As a preferred embodiment of the above, firstly, the current time value is provided by a unified time-domain reference of the continuous rolling mill. This reference can be maintained by a high-precision time synchronization system to ensure consistent time measurement across all roll stands, supporting the needs of multi-roll collaborative transmission. To generate the target effective time, the margin of the instruction's effective time needs to be accurately calculated. The effective time margin means allowing a certain amount of flexibility before the instruction's effective time to cope with potential delays or other uncertainties in the process flow. Calculating the margin requires combining the rolling temperature rise gradient and deformation state of the copper rod, and is derived through an analysis and prediction system based on historical data and real-time monitoring results. Advanced machine learning algorithms or traditional data analysis methods can be used to process a large number of rolling parameters to obtain the optimal time margin, ensuring accurate and stable operation. Next, the calculated instruction effective time margin is superimposed on the current time. The target effective time is generated in an absolute time format to ensure the accuracy and timeliness of the superposition calculation. This superposition operation not only needs to consider the accuracy of the current time, but should also be executed within the framework of a unified time domain reference to gradually form a set of time instructions that can be specifically executed. When this set of time instructions is transmitted to each stand, it provides a specific and operable time point, enabling each stand to start adjusting and executing the corresponding rolling task at the specified time. For example, in the production process, if a certain rolling section needs a temperature rise adjustment to adapt to deformation changes, an appropriate instruction effective time margin can be calculated through real-time temperature monitoring and deformation status feedback. For example, a few seconds can be added to the current time to ensure the accuracy of the time point. Then, with the support of a unified time domain reference, this calculation result is immediately converted into the target effective time in an absolute time format to ensure that all production links are in sync with the time rhythm and act in a unified manner.

[0031] Furthermore, such as Figure 3 As shown, the speed control command set is distributed to the target roll stand according to the deterministic network, including: Within the instruction scheduling cycle, a transmission time slot is allocated to each instruction. The start time of the transmission time slot is determined by reverse calculation based on the target effective time and the preset end-to-end delay limit. The transmission delay data is parsed to generate a time slot offset compensation amount, and the boundary of the transmission time slot in the instruction scheduling cycle is dynamically compensated. By mapping service level identifiers to spatial location identifiers, high service level instructions can obtain redundant transmission time slot allocations.

[0032] As a preferred embodiment of the above, firstly, during implementation, a dedicated transmission time slot is allocated to each instruction within the instruction scheduling cycle. The start time of the transmission time slot is determined through reverse calculation, based on the target effective time and a preset end-to-end delay upper limit. This not only ensures the timely arrival of instructions but also guarantees the optimal use of network resources. In practice, this can be achieved using time-triggered protocols or advanced distributed scheduling algorithms, which can dynamically configure network resources to adapt to different production states. Next, to further improve the accuracy of data transmission, transmission delay data is parsed to generate time slot offset compensation. By acquiring and analyzing this data, the boundaries of the transmission time slots can be dynamically adjusted to ensure that instructions arrive on time within the set time frame. To ensure accuracy, in practice, an effective approach is to employ real-time monitoring tools based on network data flow analysis to track and correct data flow delays. These tools can maintain smooth instruction transmission paths under high pressure and reduce the impact of unexpected delays on production. Furthermore, mapping service level identifiers using spatial location identifiers is crucial. This mechanism allows high-service-level instructions to receive redundant transmission time slot allocations. In specific embodiments, this mechanism can be implemented using network quality service parameter configuration, employing a preset priority algorithm to ensure that critical tasks and urgent instructions receive priority transmission rights. For operational instructions, which are particularly important to the production line, providing redundant transmission can increase the reliability of data transmission and the stability of the production process.

[0033] Furthermore, the reverse calculation of the start time of the transmission time slot includes: Collect historical transmission delay data sets and obtain the statistical distribution characteristics of the historical transmission delay data sets; A predetermined high-level critical value based on statistical distribution characteristics is selected as the upper limit of end-to-end time delay; Subtract the sum of the end-to-end latency limit and the instruction parsing latency from the target effective time to obtain the start time of the transmission slot; The instruction parsing delay is obtained by querying a preset delay mapping table, which records the instruction processing delay corresponding to the hardware identifier of the target roll stand.

[0034] As a preferred embodiment of the above, firstly, a set of historical transmission delay data needs to be collected. This data records the time delay of instruction transmission during previous production processes. Preferably, local area network monitoring tools or system logs can be used to collect this historical data to analyze its time delay distribution characteristics. Next, the collected historical transmission delay data is analyzed to obtain its statistical distribution characteristics, such as the maximum, minimum, median, and other relevant distribution parameters. In a preferred case, statistical analysis software, such as data mining tools or machine learning algorithms, can be used to precisely calculate and find a predetermined high-level critical value. This critical value will serve as the end-to-end delay upper limit for calculating transmission time slots. Choosing a high threshold value as the upper limit is mainly to increase the reliability and adaptability of operation, ensuring that the system can still operate effectively even in extreme cases. When calculating the start time of the transmission time slot, the target effective time needs to be subtracted from the sum of the end-to-end delay upper limit and the instruction parsing delay. In the specific implementation process, the instruction parsing delay is not a simple estimate, but is obtained through a preset delay mapping table. This table records the instruction processing delay associated with the hardware identifier of each target roll stand. This table is usually configured and tested during installation or upgrade, and the actual processing capacity of each device can be quickly obtained by querying it. This not only improves the accuracy of the transmission time slot, but also ensures the reasonable arrangement of the entire instruction scheduling cycle.

[0035] Furthermore, the construction of the latency mapping table includes: Send a delay detection command to the target roll stand, calculate the command parsing delay based on the difference between the sending time of the delay detection command and the receiving time of the response, and write the mapping relationship between the hardware identifier and the command parsing delay into the delay mapping table; An update to the delay mapping table is triggered when a change in the hardware configuration of the target roll stand is detected.

[0036] As a preferred embodiment of the above, firstly, a delay detection command is sent to the target roll mill stand. The time difference between the timing of sending the delay detection command and the timing of receiving the response is used to calculate the command parsing delay. Preferably, this detection process can be implemented through network detection tools or software, such as through Simple Network Management Protocol or using dedicated network monitoring equipment, to ensure the accuracy of the detection data and the timeliness of the response. After obtaining the parsing delay, a mapping relationship is established between it and the hardware identifier of the target roll mill stand, and it is written into a delay mapping table. This table stores the unique delay information of each stand, allowing scheduling and control to consider not only the production sequence but also the machine characteristics. Preferably, this mapping... The time delay mapping table can be implemented through a database or data recording platform for flexible querying and updating. When a hardware configuration change of the target roll mill stand is detected, the update of the time delay mapping table is automatically triggered. The detection of hardware changes can be completed through the monitoring system, which identifies the new configuration and executes the update of the relevant time delay data to ensure that the mapping table always reflects the current system configuration. In specific implementation, periodic inspection or event triggering mechanisms can be used to monitor hardware changes. The safeguards include the installation of sensors or software monitoring. When a stand completes a hardware upgrade, a new time delay detection command will be automatically sent to recalculate and update the time delay data. Then, the time delay mapping table will be updated in a timely manner to accurately reflect the new analytical time delay value.

[0037] Furthermore, such as Figure 4 As shown, when the target takes effect, the speed execution status of the current frame is broadcast to the associated roll frame based on the deterministic network and the speed execution status broadcast by the adjacent frame is received. Based on the speed execution status, a speed adjustment pulse sequence is generated to drive the roll motor.

[0038] As a preferred embodiment of the above, when the target effective time arrives, each associated roll stand broadcasts its own speed execution status via the network and receives the speed execution status broadcast by adjacent stands. This systematically coordinates the synchronous operation of the roll stands. To achieve the preferred execution effect, the deterministic network provides a real-time, low-latency communication framework in this case, such as through industrial Ethernet or time-triggered protocols, to meet the high-performance requirements in production. Next, a speed adjustment pulse sequence is generated based on the speed execution status data received from adjacent stands to drive the roll motor for precise speed control. The speed adjustment pulse sequence can be generated by a real-time calculator or dedicated control software, ensuring that the received information can be quickly analyzed, processed, and fed back to the actual production equipment. For example, the system may include an embedded control unit that can receive network data and quickly calculate a pulse sequence suitable for the current state. By sharing the speed execution status of each stand in real time through the broadcast mechanism, including the current actual speed value and the target value, speed matching and dynamic coordination between multiple stands are allowed. This process not only improves the coordination between stands but also reduces production disturbances and resource waste caused by speed inconsistencies, enabling more efficient handling of changes and unevenness that may be encountered during copper rod rolling.

[0039] Furthermore, based on the received speed execution status of adjacent racks and the copper rod deformation stability constraints, a speed deviation compensation between the current rack and adjacent racks is established. The speed deviation compensation is then distributed to the corresponding target roll rack based on deterministic network encapsulation and the speed adjustment pulse sequence is updated.

[0040] As a preferred embodiment of the above, the relationship between the received speed execution status of adjacent racks and the stability constraints of the copper rod deformation is first considered. Accurate calculation of the speed deviation ensures operational synchronization between racks. In a preferred implementation, speed data from adjacent racks can be captured through a real-time monitoring and data analysis system, combined with deformation stability constraints, to achieve accurate assessment of the speed deviation. Next, this data is used to construct a speed deviation compensation scheme between the current rack and adjacent racks. This compensation scheme designs a compensation strategy by comparing and analyzing the speed execution status of each rack, particularly its deformation stability relative to the copper rod, to correct the speed mismatch problem between racks. Afterwards... Speed ​​deviation compensation information is encapsulated via a deterministic network and distributed to the corresponding target roll stand. In practice, the encapsulation process uses a secure and efficient data format to ensure that the compensation information is transmitted completely and accurately to each stand. For network transmission, the preferred network configuration can use industrial Ethernet or other highly reliable communication protocols to ensure timely and accurate information transmission. In addition, the stand that receives the speed compensation information updates its speed adjustment pulse sequence, enabling it to quickly adjust the operating speed of the roll motor and achieve synchronization and optimization of the overall production process. This is usually achieved through real-time control software, which can directly change the pulse sequence to cope with any potential changes in production conditions.

[0041] Example 2; Based on the same inventive concept as the multi-roll coordinated conveying method for copper rod continuous rolling mills in the foregoing embodiments, the present invention also provides a multi-roll coordinated conveying system for copper rod continuous rolling mills, the system comprising: The time-domain calibration module constructs a unified time-domain reference covering both the instruction generation side and the roll execution side. This unified time-domain reference is continuously calibrated during roll operation. The instruction generation module acquires the rolling temperature rise gradient and real-time deformation state of the copper rod in real time, and generates a speed control instruction set carrying the target effective time based on a unified time domain reference. The distribution feedback module distributes the speed control instruction set to the target roll stand according to the deterministic network, and feeds back the transmission delay data to the instruction generation side; When the target effective time arrives, the synchronous adjustment module synchronously adjusts the roll linear speed of each target roll stand based on a unified time domain reference and performs cross-stand compensation for speed deviation.

[0042] The adjustment system described above in this invention can effectively realize the multi-roll coordinated transmission method of the copper rod continuous rolling mill, and the technical effects it can achieve are as described in the above embodiments, and will not be repeated here.

[0043] Although this application has been described in conjunction with specific features and embodiments, it is obvious that various modifications and combinations can be made thereto without departing from the spirit and scope of this application. Accordingly, this specification and drawings are merely exemplary illustrations of the application as defined herein, and are to be considered as covering any and all modifications, variations, combinations, or equivalents within the scope of this application. Clearly, those skilled in the art can make various alterations and modifications to this application without departing from its scope. Thus, if such modifications and modifications fall within the scope of this application and its equivalents, this application intends to include such modifications and modifications.

Claims

1. A multi-roll coordinated transmission method for copper rod continuous rolling mills, characterized in that, The method includes: A unified time-domain reference is constructed covering the instruction generation side and the roll execution side, and the unified time-domain reference is continuously calibrated during roll operation; The rolling temperature rise gradient and real-time deformation state of the copper rod are acquired in real time, and a speed control instruction set carrying the target effective time is generated based on the unified time domain reference. Each instruction includes the spatial position identifier of the associated target roll stand and the deformation stability constraint condition of the copper rod. The speed control command set is distributed to the target roll stand according to the deterministic network, and the transmission delay data is fed back to the command generation side; When the target effective time arrives, each target roll stand synchronously adjusts the roll linear speed based on the unified time domain reference and performs cross-stand speed deviation compensation.

2. The multi-roll coordinated transmission method for copper rod continuous rolling mills according to claim 1, characterized in that, Generate a set of speed control instructions carrying the target's effective time, including: Set a deformation rate constraint threshold based on the real-time deformation state; The deformation rate constraint threshold is associated with the spatial position identifier of the target roll stand to generate the deformation stability constraint condition of the copper rod; The effective time margin of the command is calculated based on the rolling temperature rise gradient, and the target effective time is determined in conjunction with the unified time domain reference. The target activation time is bound to the copper rod deformation stability constraint condition for encoding, and the speed control instruction set is generated.

3. The multi-roll coordinated transmission method for copper rod continuous rolling mills according to claim 2, characterized in that, The binding and encoding of the target effective time with the copper rod deformation stability constraint condition includes: Generate an instruction timestamp synchronized with the unified time domain reference, the instruction timestamp containing the absolute time code of the target's effective time; Construct a structured instruction tuple, which includes a field for the instruction timestamp, a field for the spatial position identifier of the target roll stand, and a field for the deformation stability constraint of the copper rod; The structured instruction tuple is encapsulated into the speed control instruction set that can be transmitted over the deterministic network.

4. The multi-roll coordinated transmission method for copper rod continuous rolling mills according to claim 2, characterized in that, The effective time margin of the instruction is superimposed on the current time value of the unified time domain reference to generate the target effective time in absolute time format.

5. The multi-roll coordinated transmission method for copper rod continuous rolling mills according to claim 1, characterized in that, Distributing the speed control command set to the target roll stand according to a deterministic network includes: Within the instruction scheduling cycle, a transmission time slot is allocated to each instruction. The start time of the transmission time slot is determined by reverse calculation based on the target effective time and the preset end-to-end delay upper limit. The transmission delay data is analyzed to generate a time slot offset compensation amount, and the boundary of the transmission time slot in the instruction scheduling period is dynamically compensated. The spatial location identifier is mapped to the service level identifier, so that the high service level instruction obtains redundant transmission time slot allocation.

6. The multi-roll coordinated transmission method for copper rod continuous rolling mills according to claim 5, characterized in that, The reverse calculation of the start time of the transmission time slot includes: Collect a set of historical transmission delay data and obtain the statistical distribution characteristics of the set of historical transmission delay data; A predetermined high-order critical value of the statistical distribution characteristics is selected as the upper limit of the end-to-end delay; Subtract the sum of the end-to-end delay limit and the instruction parsing delay from the target effective time to obtain the start time of the transmission time slot; The instruction parsing delay is obtained by querying a preset delay mapping table, which records the instruction processing delay corresponding to the hardware identifier of the target roll mill stand.

7. The multi-roll coordinated transmission method for copper rod continuous rolling mills according to claim 6, characterized in that, The construction of the delay mapping table includes: Send a delay detection command to the target roll stand, calculate the command parsing delay based on the difference between the sending time of the delay detection command and the receiving time of the response, and write the mapping relationship between the hardware identifier and the command parsing delay into the delay mapping table; The delay mapping table is updated when a change in the hardware configuration of the target roll stand is detected.

8. The multi-roll coordinated transmission method for copper rod continuous rolling mills according to claim 1, characterized in that, When the target effective time is reached, the speed execution status of the current stand is broadcast to the associated roll stand based on the deterministic network and the speed execution status broadcast by the adjacent stand is received. Based on the speed execution status, a speed adjustment pulse sequence is generated to drive the roll motor.

9. The multi-roll coordinated transmission method for copper rod continuous rolling mills according to claim 8, characterized in that, Based on the received speed execution status of the adjacent racks and the copper rod deformation stability constraints, a speed deviation compensation between the current rack and the adjacent racks is established. The speed deviation compensation is then distributed to the corresponding target roll rack based on the deterministic network encapsulation and the speed adjustment pulse sequence is updated.

10. A multi-roll coordinated conveying system for a copper rod continuous rolling mill, characterized in that, The system includes: The time-domain calibration module constructs a unified time-domain reference covering both the instruction generation side and the roll execution side. This unified time-domain reference is continuously calibrated during roll operation. The instruction generation module acquires the rolling temperature rise gradient and real-time deformation state of the copper rod in real time, and generates a speed control instruction set carrying the target effective time based on a unified time domain reference. The distribution feedback module distributes the speed control instruction set to the target roll stand according to the deterministic network, and feeds back the transmission delay data to the instruction generation side; When the target effective time arrives, the synchronous adjustment module synchronously adjusts the roll linear speed of each target roll stand based on a unified time domain reference and performs cross-stand compensation for speed deviation.

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