Tower model calibration method and system

Abstract

The invention discloses a tower model calibration method and system, and the method comprises the steps: obtaining working condition information, and obtaining a first simulation result based on the working condition information and a tower finite element model; obtaining an average error based on the first simulation result; obtaining the maximum calculation wind speed of the vertical conductor, and obtaining a second simulation result based on the maximum calculation wind speed of the vertical conductor and the tower finite element model; based on the tower finite element model, obtaining a third simulation result through the maximum tension value of the wire; and comparing the stress and displacement of the coordinates corresponding to the second simulation result and the third simulation result to obtain a model calibration deviation. According to the method, part of parameters of the working condition information serve as input, test verification of the model is completed, the accuracy and reliability of the model are ensured, the second simulation result is obtained based on the wind speed and compared with the third simulation result calculated through the maximum tension, model calibration is completed, and it is ensured that the model can accurately simulate the actual situation.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power engineering, and in particular to a pole tower model calibration method and system. Background Art

[0002] A tower is a vertical structure used to support power transmission lines, communication facilities or other similar applications. They play an important role in transmitting electricity from power stations to users and providing communication signal coverage. Taking a specific tower as the object, a finite element model of the tower-line system is established to perform parametric analysis on the deformation and stress of the tower line under conditions such as foundation settlement, slippage, uniform and uneven icing. By extracting the displacement of the tower support and the ground wire hanging point and the rod stress, a data set is established, which can be used for subsequent real-time analysis and prediction.

[0003] Tower model calibration is an important part in the field of power engineering. It involves accurate simulation and analysis of the mechanical behavior of towers under different working conditions. It requires accurate simulation of the tower's response under various environmental and load conditions, including the influence of wind, deadweight, temperature difference, geological disasters and other factors. In order to improve the design efficiency and the reusability of the model, the tower needs to be parametrically modeled to facilitate rapid adjustment and optimization of the design. However, the existing tower model storage formats are diverse, and it is difficult to directly convert between different formats, which affects the sharing and utilization of data.

[0004] Therefore, it is urgent to standardize the tower model calibration process and improve the model calibration efficiency while ensuring the accuracy of model calibration. Summary of the invention

[0005] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0006] In view of the above existing problems, the present invention is proposed. Therefore, the present invention provides a pole tower model calibration method to solve the problems that the pole tower model calibration process is not standardized and the calibration accuracy and efficiency need to be improved.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0008] In a first aspect, the present invention provides a tower model calibration method, comprising:

[0009] Acquire operating condition information, and obtain a first simulation result based on the operating condition information and a tower finite element model;

[0010] Compare the first simulation result with the stress and displacement of the coordinates corresponding to the working condition information to obtain an average error;

[0011] When the fixed conductor direction is consistent with the true north direction, and the pole tower conductor and the ground wire are in the same direction, the maximum calculated wind speed of the vertical conductor is obtained, and a second simulation result is obtained based on the maximum calculated wind speed of the vertical conductor and the pole tower finite element model;

[0012] Based on the tower finite element model, a third simulation result is obtained through the maximum tension value of the conductor;

[0013] The stress and displacement of the corresponding coordinates of the second simulation result and the third simulation result are compared to obtain a model calibration deviation.

[0014] As a preferred solution of the tower model calibration method of the present invention, obtaining the first simulation result includes:

[0015] Based on the working condition information, external constraints, force and wind load parameters are obtained;

[0016] Using the external constraints, force and wind load parameters as inputs of a tower finite element model to obtain outputs of the tower finite element model;

[0017] The pole tower finite element model is output as a first simulation result, wherein the first simulation result includes coordinates, displacements and stresses corresponding to each node of the pole tower finite element model.

[0018] As a preferred solution of the tower model calibration method of the present invention, the average error is obtained,

[0019] Obtaining stress error and displacement error corresponding to the same coordinates in the first simulation result and the working condition information, wherein the stress error is obtained by subtracting the stress value of the first simulation result from the stress value of the working condition information, and the displacement error is obtained by subtracting the displacement value of the first simulation result from the displacement value of the working condition information;

[0020] Adding each of the stress errors and each of the displacement errors to obtain a total error;

[0021] Based on the total error and the number of identical coordinates, an average error is obtained.

[0022] As a preferred solution of the tower model calibration method of the present invention, obtaining the maximum calculated wind speed of the vertical conductor includes:

[0023] Get real data;

[0024] Based on the real data, the maximum calculated wind speed of the vertical conductor corresponding to the maximum wind deflection angle of the conductor and the maximum inclination angle is calculated.

[0025] As a preferred solution of the tower model calibration method of the present invention, obtaining the second simulation result includes:

[0026] Based on the working condition information, obtaining simulation parameters, wherein the simulation parameters include wind load, conductor ground load and insulator string load;

[0027] Substituting the maximum calculated wind speed of the vertical conductor and the simulation parameters into the pole tower finite element model to obtain the pole tower finite element model output;

[0028] The pole tower finite element model is output as a second simulation result, wherein the second simulation result includes coordinates, displacements and stresses corresponding to each node of the pole tower finite element model.

[0029] As a preferred solution of the tower model calibration method of the present invention, the third simulation result obtained by using the maximum tension value of the conductor includes:

[0030] Get the maximum tension value of the wire;

[0031] Setting the conductor tension of the finite element tower model to the maximum conductor tension value to obtain the finite element model output of the tower;

[0032] The pole tower finite element model is output as a third simulation result, wherein the third simulation result includes coordinates, displacements and stresses corresponding to each node of the pole tower finite element model.

[0033] As a preferred solution of the tower model calibration method of the present invention, wherein: comparing the stress and displacement of the corresponding coordinates of the second simulation result and the third simulation result to obtain the model calibration deviation includes:

[0034] Sequentially selecting stress values ​​and displacement values ​​corresponding to the same coordinates in the second simulation result and the third simulation result for comparison;

[0035] Calculating the difference of the stress values, and obtaining a stress deviation based on the difference of the stress values;

[0036] Calculating the difference of the displacement values, and obtaining the displacement deviation based on the difference of the displacement values;

[0037] The stress deviation and the displacement deviation are used as model calibration deviations.

[0038] In a second aspect, the present invention provides a system for calibrating a tower model, comprising:

[0039] The acquisition module is used to obtain working condition information; when the direction of the fixed conductor is consistent with the true north direction, and the directions of the tower conductor and the ground wire are consistent, the maximum calculated wind speed of the vertical conductor is obtained;

[0040] A simulation module is used to obtain a first simulation result based on the working condition information and the pole tower finite element model; obtain a second simulation result based on the maximum calculated wind speed of the vertical conductor and the pole tower finite element model, and obtain a third simulation result based on the pole tower finite element model through the maximum tension value of the pole tower conductor;

[0041] A calculation module is used to compare the stress and displacement of the first simulation result with the corresponding coordinates of the working condition information to obtain an average error; and compare the stress and displacement of the second simulation result with the corresponding coordinates of the third simulation result to obtain a model calibration deviation.

[0042] In a third aspect, the present invention provides a computing device, comprising:

[0043] Memory and processor;

[0044] The memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions. When the computer-executable instructions are executed by the processor, the steps of the tower model calibration method are implemented.

[0045] In a fourth aspect, the present invention provides a computer-readable storage medium storing computer-executable instructions, which, when executed by a processor, implement the steps of the tower model calibration method.

[0046] Compared with the prior art, the present invention has the following beneficial effects: the present invention takes some parameters of the operating condition information as input to obtain the output of the model at this time, namely, the first simulation result, and compares the model output with the operating condition information to complete the test verification of the model, thereby ensuring the accuracy and reliability of the model; secondly, the maximum calculated wind speed of the vertical conductor is obtained, and a second simulation result is obtained based on the wind speed, which is compared with the third simulation result calculated by the maximum tension to complete the model calibration; according to specific application scenarios, the model parameters are adjusted to ensure that the model can accurately simulate the actual situation. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0048] Figure 1 The figure is a schematic diagram of the overall process of a tower model calibration method according to an embodiment of the present invention. DETAILED DESCRIPTION

[0049] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the drawings of the specification. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without creative work should fall within the scope of protection of the present invention.

[0050] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0051] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0052] The present invention is described in detail with reference to schematic diagrams. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0053] At the same time, in the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper, lower, inner and outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the system or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first, second or third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0054] In the present invention, unless otherwise clearly specified and limited, the terms "install, connect, connect" should be understood in a broad sense, for example: it can be a fixed connection, a detachable connection or an integral connection; it can also be a mechanical connection, an electrical connection or a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] Example 1

[0056] Reference Figure 1, is an embodiment of the present invention, and provides a tower model calibration method, comprising:

[0057] S100: Acquire working condition information, and obtain a first simulation result based on the working condition information and a tower finite element model;

[0058] Preferably, external constraints, force and wind load parameters are obtained based on the working condition information;

[0059] In an optional embodiment, the operating condition information may be various loads and environmental factors borne by the tower under specific operating conditions, mainly including the following aspects:

[0060] Load types: including deadweight, wind load, ice load, earthquake load, etc. These loads will affect the structural response and stability of the tower.

[0061] Load size: Specific load values, such as wind speed, ice thickness, etc., usually need to be measured or calculated based on actual environmental conditions.

[0062] Environmental conditions: such as temperature, humidity, etc. These factors may affect the performance of the material and the overall stability of the tower.

[0063] Operating status: the working status of the tower, including whether it is in normal operation, maintenance or fault status.

[0064] Geographical location: The geographical environment where the tower is located, such as topography, soil type, etc., which will affect its bearing capacity and stability.

[0065] Material properties: physical and mechanical properties of the materials used for the tower, such as elastic modulus, yield strength, etc. These parameters need to be accurately input into the finite element model;

[0066] It should be noted that by accurately acquiring and inputting these working condition information, the accuracy and reliability of the finite element model can be effectively improved, thus providing a scientific basis for the design, evaluation and maintenance of towers.

[0067] Preferably, the external constraints, force and wind load parameters are used as inputs of the tower finite element model to obtain the tower finite element model output;

[0068] Preferably, the pole tower finite element model is output as the first simulation result, wherein the first simulation result includes the coordinates, displacements and stresses corresponding to each node of the pole tower finite element model.

[0069] In an optional embodiment, the tower finite element model can be a numerical model that uses finite element analysis technology to simulate and analyze the tower structure. This model can simulate the performance of the tower under various working conditions, including its response to loads and structural integrity; the first simulation results include the coordinates, displacements and stresses corresponding to each node of the tower finite element model.

[0070] In a feasible implementation, external constraints, force and wind load parameters are obtained based on working condition information; the external constraints, force and wind load parameters are used as inputs of the tower finite element model to obtain the tower finite element model output; the tower finite element model output is used as the first simulation result, wherein the first simulation result includes the coordinates, displacements and stresses corresponding to each node of the tower finite element model.

[0071] In an optional embodiment, the external constraints may be the limiting conditions to which the tower is subject under the influence of natural environment or human factors, for example, the distance of the tower from the ground is the minimum distance between any live part and the ground under specified conditions; the forces may be that the tower needs to withstand multiple forces during operation, such as its own weight, the tension of the conductor and the ground wire; the wind load parameters may include the wind speed at a reference height of 10m, the tower wind load adjustment coefficient, etc.; the stress may be the internal force generated inside the tower structure when it is subjected to various loads (such as deadweight, wind load, ice load, conductor tension, etc.); and the displacement refers to the changes in the geometric shape and position of the tower structure under the action of external forces (such as wind, snow, deadweight, temperature changes, etc.).

[0072] It should be noted that by using the working condition information as the data model parameter of the tower finite element model, the simulation result of the model at this time is obtained. The simulation result is the prediction result of the tower finite element model, which ensures the effectiveness of the test verification of the tower finite element model.

[0073] S102: Compare the first simulation result with the stress and displacement of the coordinates corresponding to the working condition information to obtain an average error;

[0074] Preferably, the stress error and displacement error corresponding to the same coordinates in the first simulation result and the working condition information are obtained, wherein the stress error is obtained by subtracting the stress value of the first simulation result from the stress value of the working condition information, and the displacement error is obtained by subtracting the displacement value of the first simulation result from the displacement value of the working condition information;

[0075] Preferably, each stress error and each displacement error are added to obtain a total error; based on the total error and the number of identical coordinates, an average error is obtained;

[0076] In an optional embodiment, the average error can be an indicator for measuring the accuracy of the tower finite element model, which is used to compare the difference between the tower model prediction value (i.e., the first simulation result) and the actual observation value (the stress value and displacement value of the corresponding coordinate included in the working condition information).

[0077] In a feasible implementation manner, the stress error and displacement error corresponding to the same coordinates in the first simulation result and the working condition information are obtained, wherein the stress error is obtained by subtracting the stress value of the first simulation result from the stress value of the working condition information, and the displacement error is obtained by subtracting the displacement value of the first simulation result from the displacement value of the working condition information; each stress error and each displacement error are added to obtain a total error; and an average error is obtained based on the total error and the number of identical coordinates.

[0078] In an optional embodiment, the stress error can be obtained by subtracting the stress value of the first simulation result from the stress value of the operating condition information; the displacement error can be obtained by subtracting the displacement value of the first simulation result from the displacement value of the operating condition information; the total error can be the sum of the absolute value of the stress error and the absolute value of the displacement error; the average error can be obtained by dividing the total error by the number of data with the same coordinates.

[0079] It should be noted that the simulation results of the tower finite element model are obtained and compared with the displacement and stress data of different coordinates contained in the working condition information to obtain the average error. This process involves the use of experimental data to verify the model's prediction results, ensuring the accuracy and reliability of the model.

[0080] S104: When the fixed conductor direction is consistent with the true north direction, and the pole tower conductor and the ground wire are in the same direction, the maximum calculated wind speed of the vertical conductor is obtained, and the second simulation result is obtained based on the maximum calculated wind speed of the vertical conductor and the pole tower finite element model;

[0081] Preferably, real data is obtained; based on the real data, the maximum calculated wind speed of the vertical conductor corresponding to the maximum wind deflection angle and the maximum inclination angle of the conductor is calculated;

[0082] It should be noted that conductors refer to the conductors installed on the poles and towers, which are the medium for power transmission; ground wires are conductors installed on the poles and towers to protect the conductors from lightning damage; the maximum calculated wind speed for vertical conductors refers to the maximum wind speed considered when designing and evaluating the poles and towers and their structures, and this wind speed is perpendicular to the direction of the conductors;

[0083] It should also be noted that, assuming that the direction of the conductor is consistent with the north direction, and the directions of the pole tower conductor and the ground wire are consistent, the maximum calculated wind speed of the vertical conductor corresponding to the maximum wind deviation angle and maximum inclination angle of the conductor at the current moment can be calculated through real data (the wind deviation angle can be the angle at which the conductor deviates from the plumb position after being affected by wind, and the inclination angle can be the angle at which the pole tower deviates from the vertical position under the action of wind). With the help of the pole tower finite element model, the maximum calculated wind speed of the vertical conductor can also be used to evaluate the safety of pole towers and conductors under extreme wind loads, thereby improving the reliability of model calibration.

[0084] Preferably, based on the working condition information, simulation parameters are obtained, wherein the simulation parameters include wind load, conductor ground load and insulator string load;

[0085] Preferably, the maximum calculated wind speed of the vertical conductor and the simulation parameters are substituted into the tower finite element model to obtain the tower finite element model output;

[0086] Preferably, the tower finite element model is output as the second simulation result, wherein the second simulation result includes the coordinates, displacement and stress corresponding to each node of the tower finite element model;

[0087] In an optional embodiment, the second simulation result may be that under the condition of the maximum calculated wind speed of the vertical conductor, the wind load, the conductor ground wire load and the insulator string load are used as inputs of the tower finite element model to obtain the coordinates, displacement and stress corresponding to each node in this case;

[0088] In a feasible implementation, based on the working condition information, simulation parameters are obtained, wherein the simulation parameters include wind load, conductor ground wire load and insulator string load; the maximum calculated wind speed of the vertical conductor and the simulation parameters are substituted into the pole tower finite element model to obtain the pole tower finite element model output; the pole tower finite element model output is used as the second simulation result, wherein the second simulation result includes the coordinates, displacement and stress corresponding to each node of the pole tower finite element model;

[0089] In an optional embodiment, the wind load may be the force generated by wind on the tower structure; the conductor ground wire load may be the tension and pressure generated by the conductor and the ground wire under the action of wind, deadweight, temperature difference change, etc.; the insulator string load may be the load borne by the insulator string in normal operation and accident disconnection, such as the conductor and additional vertical load and wind load;

[0090] It should be noted that the wind load, conductor ground wire load and insulator string load are introduced through this wind speed to calculate the stress and displacement of different nodes of the tower in order to complete the calibration of the tower finite element model. Because it is based on actual wind speed data, it can better simulate the behavior of the tower in an actual wind field.

[0091] S106: Based on the tower finite element model, obtain a third simulation result according to the maximum tension value of the conductor;

[0092] Preferably, the maximum tension value of the conductor is obtained; the conductor tension of the finite element tower model is set to the maximum tension value of the conductor, and the finite element model output of the tower is obtained;

[0093] Preferably, the tower finite element model is output as the third simulation result, wherein the third simulation result includes the coordinates, displacements and stresses corresponding to each node of the tower finite element model;

[0094] It should be noted that the third simulation result is obtained by taking the provided conductor tension value as the input of the tower finite element model and obtaining the model output result at this time;

[0095] In a feasible implementation, the maximum tension value of the conductor is obtained; the conductor tension of the finite element tower model is set to the maximum tension value of the conductor, and the finite element model output of the tower is obtained; the finite element model output of the tower is used as the third simulation result, wherein the third simulation result includes the coordinates, displacements and stresses corresponding to each node of the finite element model of the tower.

[0096] In an optional embodiment, the maximum tension value of the conductor may be the maximum tension that the tower conductor can withstand.

[0097] It should be noted that by setting the maximum tension value of the conductor to calculate the stress and displacement of the tower, the performance of the tower under the most unfavorable load can be directly obtained, which is conducive to the safety assessment of the finite element model of the tower.

[0098] S108: Compare the stress and displacement of the corresponding coordinates of the second simulation result and the third simulation result to obtain a model calibration deviation;

[0099] Preferably, the stress values ​​and displacement values ​​corresponding to the same coordinates in the second simulation result and the third simulation result are selected in turn for comparison;

[0100] In an optional embodiment, the second simulation result can be that when the vertical conductor has the maximum calculated wind speed, the wind load, the conductor ground wire load and the insulator string load are used as inputs to the pole tower finite element model to obtain the coordinates, displacements and stresses corresponding to each node in this case; the third simulation result can be that when the conductor tension value is the maximum, the maximum conductor tension value is used as the input to the pole tower finite element model to obtain the coordinates, displacements and stresses corresponding to each node in this case.

[0101] Preferably, the difference of stress values ​​is calculated, and the stress deviation is obtained based on the difference of stress values; the difference of displacement values ​​is calculated, and the displacement deviation is obtained based on the difference of displacement values; and the stress deviation and the displacement deviation are used as model calibration deviations;

[0102] In an optional embodiment, the displacement deviation is the displacement difference of the same coordinate in the second simulation result and the third simulation result divided by the displacement value of the third simulation result.

[0103] It should be noted that the stress deviation is the stress difference between the second simulation result and the third simulation result at the same coordinate divided by the stress value of the third simulation result.

[0104] It should be noted that the model calibration deviation includes displacement deviation and stress deviation, which can be used as a measurement indicator for model calibration.

[0105] In this embodiment, the model calibration is achieved by selecting the same stress value and displacement value for comparison. Through calibration, it can be ensured that the finite element model more accurately reflects the physical characteristics and stress conditions of the actual tower, which is conducive to further verifying the local accuracy of the model.

[0106] It should be noted that the model calibration deviation includes displacement deviation and stress deviation; the displacement deviation is the displacement difference of the same coordinate in the second simulation result and the third simulation result divided by the displacement of the third simulation result; the stress deviation is the stress difference of the same coordinate in the second simulation result and the third simulation result divided by the stress of the third simulation result;

[0107] It should also be noted that the accuracy and reliability of the tower finite element model in predicting the tower response are evaluated by comparing the tower stress and displacement calculated from the maximum conductor tension with the stress and displacement calculated based on the measured wind speed.

[0108] The above is a schematic scheme of a pole tower model calibration method of this embodiment. It should be noted that the technical scheme of the pole tower model calibration system and the technical scheme of the pole tower model calibration method described above are of the same concept. For details not described in detail in the technical scheme of the pole tower model calibration system of this embodiment, please refer to the description of the technical scheme of the pole tower model calibration method described above.

[0109] The tower model calibration system in this embodiment includes:

[0110] The acquisition module is used to obtain working condition information; when the direction of the fixed conductor is consistent with the true north direction, and the directions of the tower conductor and the ground wire are consistent, the maximum calculated wind speed of the vertical conductor is obtained;

[0111] A simulation module is used to obtain a first simulation result based on the working condition information and the pole tower finite element model; obtain a second simulation result based on the maximum calculated wind speed of the vertical conductor and the pole tower finite element model; and obtain a third simulation result based on the pole tower finite element model through the maximum tension value of the pole tower conductor;

[0112] The calculation module is used to compare the stress and displacement of the coordinates corresponding to the first simulation result and the working condition information to obtain an average error; and compare the stress and displacement of the coordinates corresponding to the second simulation result and the third simulation result to obtain a model calibration deviation.

[0113] This embodiment further provides a computing device, which is applicable to the case of tower model calibration, and includes:

[0114] Memory and processor; the memory is used to store computer executable instructions, and the processor is used to execute computer executable instructions to implement the tower model calibration method proposed in the above embodiment.

[0115] This embodiment further provides a storage medium on which a computer program is stored. When the program is executed by a processor, the tower model calibration method proposed in the above embodiment is implemented.

[0116] The storage medium proposed in this embodiment and the method for implementing tower model calibration proposed in the above embodiment belong to the same inventive concept. The technical details not fully described in this embodiment can be referred to the above embodiment, and this embodiment has the same beneficial effects as the above embodiment.

[0117] Through the above description of the implementation methods, the technicians in the relevant field can clearly understand that the present invention can be implemented by means of software and necessary general hardware, and of course can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as a computer floppy disk, read-only memory (ReadOnly, Memory, ROM), random access memory (RandomAccess Memory, RAM), flash memory (FLASH), hard disk or optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, server, or network device, etc.) to perform the methods of various embodiments of the present invention.

[0118] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A tower model calibration method, characterized in that: include: Acquire operating condition information, and obtain a first simulation result based on the operating condition information and a tower finite element model; Compare the first simulation result with the stress and displacement of the coordinates corresponding to the working condition information to obtain an average error; When the fixed conductor direction is consistent with the true north direction, and the pole tower conductor and the ground wire are in the same direction, the maximum calculated wind speed of the vertical conductor is obtained, and a second simulation result is obtained based on the maximum calculated wind speed of the vertical conductor and the pole tower finite element model; Based on the tower finite element model, a third simulation result is obtained through the maximum tension value of the conductor; The stress and displacement of the corresponding coordinates of the second simulation result and the third simulation result are compared to obtain a model calibration deviation.

2. The tower model calibration method according to claim 1, characterized in that: Obtaining the first simulation result includes: Based on the working condition information, external constraints, force and wind load parameters are obtained; Using the external constraints, force and wind load parameters as inputs of a tower finite element model to obtain outputs of the tower finite element model; The pole tower finite element model is output as a first simulation result, wherein the first simulation result includes coordinates, displacements and stresses corresponding to each node of the pole tower finite element model.

3. The tower model calibration method according to claim 1 or 2, characterized in that: The average error includes: Obtaining stress error and displacement error corresponding to the same coordinates in the first simulation result and the working condition information, wherein the stress error is obtained by subtracting the stress value of the first simulation result from the stress value of the working condition information, and the displacement error is obtained by subtracting the displacement value of the first simulation result from the displacement value of the working condition information; Adding each of the stress errors and each of the displacement errors to obtain a total error; Based on the total error and the number of identical coordinates, an average error is obtained.

4. The tower model calibration method according to claim 3, characterized in that: Obtaining the maximum calculated wind speed of the vertical conductor includes, Get real data; Based on the real data, the maximum calculated wind speed of the vertical conductor corresponding to the maximum wind deflection angle of the conductor and the maximum inclination angle is calculated.

5. The tower model calibration method according to claim 4, characterized in that: The second simulation result includes: Based on the working condition information, obtaining simulation parameters, wherein the simulation parameters include wind load, conductor ground load and insulator string load; Substituting the maximum calculated wind speed of the vertical conductor and the simulation parameters into the pole tower finite element model to obtain the pole tower finite element model output; The pole tower finite element model is output as a second simulation result, wherein the second simulation result includes coordinates, displacements and stresses corresponding to each node of the pole tower finite element model.

6. The tower model calibration method according to claim 5, characterized in that: The third simulation results obtained by the maximum wire tension value include: Get the maximum tension value of the wire; Setting the conductor tension of the finite element tower model to the maximum conductor tension value to obtain the finite element model output of the tower; The pole tower finite element model is output as a third simulation result, wherein the third simulation result includes coordinates, displacements and stresses corresponding to each node of the pole tower finite element model.

7. The tower model calibration method according to claim 6, characterized in that: Comparing the stress and displacement of the corresponding coordinates of the second simulation result and the third simulation result to obtain a model calibration deviation includes: Sequentially selecting stress values ​​and displacement values ​​corresponding to the same coordinates in the second simulation result and the third simulation result for comparison; Calculating the difference of the stress values, and obtaining a stress deviation based on the difference of the stress values; Calculating the difference of the displacement values, and obtaining the displacement deviation based on the difference of the displacement values; The stress deviation and the displacement deviation are used as model calibration deviations.

8. A system for calibrating a tower model, characterized in that: include, An acquisition module is used to obtain working condition information; When the fixed conductor direction is consistent with the true north direction, and the tower conductor and ground wire directions are consistent, obtain the maximum calculated wind speed of the vertical conductor; A simulation module, used for obtaining a first simulation result based on the working condition information and the tower finite element model; Based on the maximum calculated wind speed of the vertical conductor and the pole tower finite element model, a second simulation result is obtained. Based on the pole tower finite element model, a third simulation result is obtained through the maximum tension value of the pole tower conductor; A calculation module, used for comparing the first simulation result with the stress and displacement of the coordinates corresponding to the working condition information to obtain an average error; The stress and displacement of the corresponding coordinates of the second simulation result and the third simulation result are compared to obtain a model calibration deviation.

9. An electronic device, comprising: Memory and processor; The memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions. When the computer-executable instructions are executed by the processor, the steps of the tower model calibration method described in any one of claims 1 to 7 are implemented.

10. A computer-readable storage medium storing computer-executable instructions, wherein the computer-executable instructions, when executed by a processor, implement the steps of the tower model calibration method according to any one of claims 1 to 7.

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