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CN-122021305-A - Tension paying-off control method, device, equipment, storage medium and product

CN122021305ACN 122021305 ACN122021305 ACN 122021305ACN-122021305-A

Abstract

The invention discloses a tension paying-off control method apparatus, device, storage medium, and article. In the tension paying-off process, a state vector sequence taking the current moment as an end point is obtained, the state vector sequence comprises state vectors at a plurality of continuous moments, the state vectors comprise preset tower parameters, measurement data at corresponding moments and wire tension estimated values, the wire tension estimated values are determined by a digital twin model based on the measurement data and the preset tower parameters, the state vector sequence is input into a preset tension prediction model to obtain a wire tension predicted value at a future moment, and a control instruction is generated and issued to paying-off equipment based on deviation between the wire tension predicted value and a wire tension target value in response to the fact that the wire tension predicted value exceeds a preset safety threshold. The estimation precision is obviously improved, and the problem of control response lag is effectively solved.

Inventors

  • LIU QIANG
  • ZHOU DAYAN
  • ZHANG XIAO
  • XU ZHIPENG
  • SUN BINGQIAN
  • CHEN ANAN
  • ZHANG QIUHAN
  • ZHENG XI
  • XU LAI
  • YAN JUN
  • MENG LIJUN
  • ZHENG FAWEI
  • LIU SHUAI
  • SUN HONGJIE

Assignees

  • 国网江苏省电力有限公司徐州供电分公司
  • 徐州送变电有限公司
  • 国网江苏省电力有限公司

Dates

Publication Date
20260512
Application Date
20260129

Claims (10)

  1. 1. A tension payout control method, comprising: In the tension paying-off process, a state vector sequence taking the current moment as an end point is obtained, wherein the state vector sequence comprises state vectors at a plurality of continuous moments, the state vectors comprise preset tower parameters, measurement data at corresponding moments and wire tension estimated values, and the wire tension estimated values are determined by a digital twin model based on the measurement data and the preset tower parameters; inputting the state vector sequence into a preset tension prediction model to obtain a wire tension prediction value at a future moment; And generating a control instruction based on the deviation between the predicted wire tension value and the target wire tension value and issuing the control instruction to paying-off equipment to adjust the wire tension in response to the predicted wire tension value exceeding a preset safety threshold.
  2. 2. The method of claim 1, wherein the measurement data comprises a spatial position of a deck, ambient temperature data, and wind speed, and wherein the preset tower parameters comprise coordinates, altitude data, and spacing of adjacent towers; The wire tension estimation determination process includes: And inputting the measurement data and the preset tower parameters into the digital twin model, wherein the digital twin model determines a wire space sag through a curve fitting algorithm based on the space position of the walking board, the coordinates of the adjacent towers and the height difference data, and determines the wire tension estimation value based on the wire space sag, the environmental temperature data, the wind speed, the distance and the physical parameters of the wires.
  3. 3. The method of claim 2, wherein the measurement data further comprises a measured wire tension value of a tension field, a payout speed of the tension field, a pull speed of the tension field, a wire attitude angle, and a wire vibration frequency.
  4. 4. A method according to claim 2 or 3, wherein the curve fitting algorithm comprises a quadratic curve fitting algorithm or a spline interpolation algorithm.
  5. 5. The method of claim 1, wherein the tension predictive model comprises a long-term memory network model.
  6. 6. The method of claim 1, wherein the control command is generated by a fuzzy proportional-integral-derivative control algorithm, wherein the control algorithm takes as input a deviation between the predicted wire tension value and the target wire tension value, and a rate of change of the deviation, dynamically self-adjusts a proportional gain coefficient, an integral gain coefficient, and a derivative gain coefficient of a controller by querying a preset fuzzy rule, and generates the control command based on the adjusted gain coefficient calculation.
  7. 7. A tension payout control apparatus, comprising: The system comprises a sequence acquisition module, a tension paying-off module and a tension paying-off module, wherein the sequence acquisition module is used for acquiring a state vector sequence taking the current moment as an endpoint in the tension paying-off process, the state vector sequence comprises a state vector of a plurality of continuous moments, the state vector comprises preset tower parameters, measurement data of corresponding moments and a wire tension estimated value, and the wire tension estimated value is determined by a digital twin model based on the measurement data and the preset tower parameters; The predicted value determining module is used for inputting the state vector sequence into a preset tension predicted model to obtain a predicted value of the wire tension at a future moment; and the instruction generation unit is used for responding to the lead tension predicted value exceeding a preset safety threshold value, generating a control instruction based on the deviation between the lead tension predicted value and a lead tension target value and issuing the control instruction to paying-off equipment so as to adjust the lead tension.
  8. 8. An electronic device, the electronic device comprising: at least one processor, and A memory communicatively coupled to the at least one processor, wherein, The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the tension payout control method as claimed in any one of claims 1-6.
  9. 9. A computer readable storage medium storing computer instructions for causing a processor to implement the tension payout control method as claimed in any one of claims 1-6 when executed.
  10. 10. A computer program product, characterized in that the computer program product comprises a computer program which, when executed by a processor, implements the tension payout control method as defined in any one of claims 1-6.

Description

Tension paying-off control method, device, equipment, storage medium and product Technical Field The invention relates to the technical field of electric power engineering, and more particularly to a tension payout control method, apparatus, device, storage medium, and product. Background In the construction process of the power line, the tension paying-off operation of the wire is one of key procedures for ensuring the erection quality and the operation safety of the line. In the prior art, a tension paying-off control system mainly depends on local control of a tensioner and a tractor, and usually single-point measurement is carried out on tension of a wire through a tension sensor, and paying-off speed and braking force are adjusted by a manual or simple automatic device. However, the existing tension paying-off control system has the technical defect that firstly, the tension state estimation accuracy is insufficient. The existing system depends on the data of the tension sensor only, cannot comprehensively consider various factors influencing the tension, such as the distance between towers, the height difference, the temperature change and the like, and lacks a complete physical modeling means, so that the tension measurement and calculation cannot fully reflect the actual working condition. Secondly, control response is lagged and lacks predictive power. The system mostly adopts a post feedback regulation mode, controls based on current or historical tension data, and is difficult to realize the advance prejudgment and active intervention of future tension changes, and the safety problems of wire tension mutation, jumper wire and the like are easily caused. Disclosure of Invention The invention provides a tension paying-off control method, a tension paying-off control device, tension paying-off control equipment, a tension paying-off control storage medium and a tension paying-off control product, and aims to solve the problems of low estimation precision, delayed control response and the like of the existing tension paying-off control method. According to an aspect of the present invention, there is provided a tension payout control method including: In the tension paying-off process, a state vector sequence taking the current moment as an end point is obtained, wherein the state vector sequence comprises state vectors at a plurality of continuous moments, the state vectors comprise preset tower parameters, measurement data at corresponding moments and wire tension estimated values, and the wire tension estimated values are determined by a digital twin model based on the measurement data and the preset tower parameters; inputting the state vector sequence into a preset tension prediction model to obtain a wire tension prediction value at a future moment; And generating a control instruction based on the deviation between the predicted wire tension value and the target wire tension value and issuing the control instruction to paying-off equipment to adjust the wire tension in response to the predicted wire tension value exceeding a preset safety threshold. According to another aspect of the present invention, there is provided a tension payout control apparatus comprising: The system comprises a sequence acquisition module, a tension paying-off module and a tension paying-off module, wherein the sequence acquisition module is used for acquiring a state vector sequence taking the current moment as an endpoint in the tension paying-off process, the state vector sequence comprises a state vector of a plurality of continuous moments, the state vector comprises preset tower parameters, measurement data of corresponding moments and a wire tension estimated value, and the wire tension estimated value is determined by a digital twin model based on the measurement data and the preset tower parameters; The predicted value determining module is used for inputting the state vector sequence into a preset tension predicted model to obtain a predicted value of the wire tension at a future moment; and the instruction generation unit is used for responding to the lead tension predicted value exceeding a preset safety threshold value, generating a control instruction based on the deviation between the lead tension predicted value and a lead tension target value and issuing the control instruction to paying-off equipment so as to adjust the lead tension. According to another aspect of the present invention, there is provided an electronic apparatus including: at least one processor, and A memory communicatively coupled to the at least one processor, wherein, The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the tension payout control method of any one of the embodiments of the present invention. According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions for causing a