Hydraulic engineering gate opening degree monitoring method and device

Abstract

The invention relates to the technical field of gate opening angle measurement, in particular to a water conservancy project gate opening monitoring method and device, and the method comprises the steps: obtaining the gate discharge flow, the gate opening and the wind speed, and obtaining the opening fluctuation coefficient of the current collection period; based on the average wind speed level and the opening degree data fluctuation degree, a wind speed influence coefficient is obtained, and an error influence degree is obtained by combining the opening degree fluctuation coefficient; analyzing the cooperation degree between the gate opening degree change and the wind speed change to obtain a wind influence index, further obtaining a performance decline index of the steel wire rope, calculating an aging index of the steel wire rope, and if the aging index is smaller than a preset aging threshold value, correcting the gate opening degree according to the error influence degree and the performance decline index so as to monitor the gate opening degree of the water conservancy project. Otherwise, the steel wire rope is replaced, and gate opening monitoring is conducted again. The hydraulic engineering gate opening degree monitoring precision can be improved.

Description

Technical Field

[0001] This application relates to the technical field of gate opening angle measurement, and specifically relates to a method and device for monitoring the opening of a water conservancy project gate. Background Art

[0002] The gate is a key facility for closing and opening the water discharge channel. Due to the critical location of the gate and the complex hydrological conditions, precise control and real-time monitoring of the gate are crucial. The gate opening, as the core parameter for realizing automatic control and remote management, plays an indispensable role in ensuring the safe and efficient operation of the water conservancy system.

[0003] In patent application CN117968595A, the gate state is evaluated by real-time detecting the gate opening and the cable tension; however, this method only directly verifies the gate opening data through the cable tension data to evaluate the gate state, without considering the influence of environmental changes on the collected gate opening data, so misdetection may occur; although patent CN110554655B analyzes the water level, flow rate, etc., it compares the actual water flow rate data with a preset threshold to control the opening of the gate, without monitoring the gate opening.

[0004] The rope displacement sensor is widely used in the field of gate opening monitoring due to its advantages of convenient installation, large measurement stroke, high precision, good sealing, etc. When the existing technology monitors the gate opening through the rope displacement sensor, although the error influence is considered, the filtering process is carried out through a fixed threshold, without deeply considering the aging degree of the steel wire rope and the influence of the environment, resulting in a poor monitoring effect of the gate opening. Summary of the Invention

[0005] In order to solve the above technical problems, the purpose of this application is to provide a method and device for monitoring the opening of a water conservancy project gate, and the specific technical solutions adopted are as follows: The embodiment of this application provides a method for monitoring the opening of a water conservancy project gate, including the following steps: Obtain the gate water discharge, gate opening, and wind speed in each acquisition period; Based on the correlation between the gate opening and the water discharge in the current acquisition period, and combined with the mutation situation of the gate opening and the water discharge, obtain the opening fluctuation coefficient of the current acquisition period; Based on the average wind speed level of each acquisition period and the degree of fluctuation of the opening data in the current acquisition period, obtain the wind speed influence coefficient of the current acquisition period, and combine the opening fluctuation coefficient to obtain the error influence degree of the current acquisition period; Analyze the degree of coordination between the changes in the gate opening and the changes in the wind speed in each acquisition cycle adjacent to the current acquisition cycle, obtain the wind influence index of the current acquisition cycle, analyze the differences in the wind influence indices of the current acquisition cycle relative to each adjacent acquisition cycle, and obtain the performance degradation index of the wire rope in the current acquisition cycle; Obtain the aging index of the wire rope in the current acquisition cycle according to the performance degradation index and the wind speed influence coefficient in the current acquisition cycle. If it is less than the preset aging threshold, correct the gate opening according to the error influence degree and the performance degradation index to monitor the gate opening of the water conservancy project. Otherwise, replace the wire rope and monitor the gate opening again.

[0006] Preferably, the method for obtaining the opening fluctuation coefficient of the current acquisition cycle is as follows: Form the opening sequence and the flow rate sequence of the current acquisition cycle with all the gate openings and the water discharge flow rates in the current acquisition cycle respectively, obtain the Pearson correlation coefficient between the opening sequence and the flow rate sequence, count the number of mutation points in the opening sequence and the flow rate sequence respectively, calculate the absolute difference between the two numbers of mutation points, and calculate the opening fluctuation coefficient of the current acquisition cycle according to the Pearson correlation coefficient and the absolute difference.

[0007] Preferably, the calculation method of the opening fluctuation coefficient X of the current acquisition cycle is as follows: ; where is a constant to avoid the denominator being 0, T is the absolute difference, and Y is the absolute value of the Pearson correlation coefficient.

[0008] Preferably, the method for obtaining the wind speed influence coefficient of the current acquisition cycle is as follows: Statistical the ratio between the average wind speed in the current acquisition cycle and the maximum value of the average wind speeds in all acquisition cycles, obtain the first-order difference sequence of the opening sequence in the current acquisition cycle, and obtain the variance of all elements in the first-order difference sequence. Take the product of the ratio and the variance as the wind speed influence coefficient of the current acquisition cycle.

[0009] Preferably, the error influence degree of the current acquisition cycle is the product of the opening fluctuation coefficient and the wind speed influence coefficient of the current acquisition cycle.

[0010] Preferably, the method for obtaining the wind influence index of the current acquisition cycle is as follows: Calculate the average value of the ratios of the elements in the first-order difference sequence of the opening sequence to the elements at the same positions in the wind speed sequence as the wind influence index of the current acquisition cycle, where all the wind speeds in the current acquisition cycle form the wind speed sequence of the current acquisition cycle.

[0011] Preferably, the calculation method of the performance degradation index of the wire rope in the current acquisition cycle is as follows: ; where A is the performance degradation index of the steel wire rope in the current acquisition period; C is the wind influence index in the current acquisition period; B is the maximum value of the wind influence indices of all neighboring acquisition periods in the current acquisition period, where the k acquisition periods closest to the current acquisition period are used as the neighboring acquisition periods of the current acquisition period; k is the number of neighboring acquisition periods; is the wind influence index of the t-th neighboring acquisition period.

[0012] Preferably, the aging index of the steel wire rope in the current acquisition period is the ratio of the performance degradation index in the current acquisition period to the wind speed influence coefficient.

[0013] Preferably, the further correction of the gate opening according to the error influence degree and the performance degradation index includes: Performing filtering processing on the gate opening by using a filtering algorithm to obtain the corrected gate opening, where the calculation method of the filtering algorithm window size is: ; where Q is the window size; is the initial window size, with a value range of 10 to 21; is the rounding function; is the exponential function with base e; L is the reciprocal of the product of the error influence degree and the performance degradation index in the current acquisition period.

[0014] The embodiment of the present application also provides a water conservancy project gate opening monitoring device, including a memory, a processor, and a computer program stored in the memory and running on the processor. When the processor executes the computer program, the steps of the above-mentioned water conservancy project gate opening monitoring method are implemented.

[0015] As can be seen from the above, the water conservancy project gate opening monitoring method and device provided by the present application have at least the following beneficial effects: The present application constructs an opening fluctuation coefficient to analyze the degree of co-variation between the gate opening and the water discharge flow; then constructs a wind speed influence coefficient to calculate the fluctuation degree of the opening data, thereby further evaluating the error degree of the opening data; finally, by combining historical data analysis, constructs a performance degradation index to reflect the difference between the degree of influence of the steel wire rope under unit wind speed change and historical data, thereby evaluating the aging degree of the steel wire rope.

[0016] Aiming at the problem that the prior art only performs filtering through a fixed threshold, resulting in poor monitoring effect of the gate opening; the present application constructs an aging index to evaluate the performance change of the steel wire rope, and combines the error influence degree and the performance degradation index to adaptively adjust the filtering window of the filtering algorithm, enabling it to achieve the most suitable data correction in each acquisition period, and improving the monitoring effect of the gate opening. Brief Description of the Drawings

[0017] To more clearly illustrate the technical solutions and advantages in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 It is a flowchart of the steps of a method for monitoring the opening of a water conservancy project gate provided by the present application; Figure 2 It is a schematic side view of a rope displacement sensor provided by the present application. Detailed Embodiments

[0019] To further elaborate on the technical means and effects adopted by the present application to achieve the intended invention purpose, the following will, in conjunction with the drawings and preferred embodiments, detail the specific embodiments, structures, features, and effects of a method and device for monitoring the opening of a water conservancy project gate proposed according to the present application. In the following description, different "one embodiment" or "another embodiment" do not necessarily refer to the same embodiment. In addition, the specific features, structures, or characteristics in one or more embodiments can be combined in any suitable form.

[0020] Unless otherwise specified and limited, terms such as "including", "comprising", or any other variant thereof are intended to cover non-exclusive inclusion, so that a circuit structure, article, or device including a series of elements not only includes those elements but also includes other elements not explicitly listed, or elements inherent to such article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the article or device including the said element. Additionally, the term "and / or" used herein includes any and all combinations of one or more of the related listed items. All technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present application belongs.

[0021] The following will specifically describe the specific solutions of a method and device for monitoring the opening of a water conservancy project gate provided by the present application in conjunction with the drawings.

[0022] Please refer to Figure 1 , which shows a flowchart of the steps of a method for monitoring the opening of a water conservancy project gate provided by an embodiment of the present application, including the following steps: Step 1: Obtain the water discharge flow rate, gate opening, and wind speed of the gate during each collection period.

[0023] In this embodiment, a radar flowmeter is installed on the sluice wall behind the gate to collect the water discharge flow of the gate, an anemometer is installed near the gate to collect wind speed data, and a wire rope displacement sensor is used to collect the gate opening data.

[0024] Among them, the side view schematic diagram of the wire rope displacement sensor is as Figure 2 shown, Figure 2 The upper measuring bracket 1 is located on the pier 4 of the sluice. The rotary encoder of the wire rope displacement sensor is installed on the upper measuring bracket 1; the lower measuring bracket 3 is located on the upper arm of the gate, and the pull ring of the wire rope displacement sensor is installed on the lower measuring bracket 3. A steel wire rope 2 of the wire rope displacement sensor is arranged between the upper measuring bracket 1 and the lower measuring bracket 3, and the wire rope displacement sensor monitors the gate opening through the displacement of the steel wire rope.

[0025] In this embodiment, all data are collected once per second, and the duration of each collection is 30 minutes. After the data collection is completed, the data is transmitted to the PLC control center. According to the time sequence of data collection, a flow sequence, a wind speed sequence, and an opening sequence of the current collection period are respectively constructed. Then, a total of N historical collection period data are obtained from the database of the PLC control center. In this embodiment, N is taken as 50.

[0026] Furthermore, in order to eliminate the influence of the dimension between data, all data are processed by Z-score standardization. The specific standardization process is a well-known prior art and will not be elaborated in this embodiment.

[0027] Step 2: Based on the correlation between the gate opening and the water discharge flow in the current collection period, and in combination with the mutation conditions of the gate opening and the water discharge flow, obtain the opening fluctuation coefficient of the current collection period.

[0028] Since the water discharge flow is mainly affected by the gate opening, the larger the gate opening, the larger the water discharge flow, and there is a strong correlation between the two. Therefore, if the gate opening data collected by the wire rope displacement sensor fluctuates, while the corresponding water discharge flow data does not change significantly, it can reflect that the steel wire rope is likely to fluctuate due to its own aging or environmental factors, resulting in a greater possibility of error in the collected gate opening data.

[0029] Therefore, in this embodiment, the change of the gate opening is reflected by calculating the co-variation between the flow sequence and the opening sequence. First, analyze the data of the latest collection period to determine whether the performance of the steel wire rope has aged in the latest situation. In this embodiment, for the convenience of understanding and expression, the latest collection period is recorded as the current collection period.

[0030] Calculate the Pearson correlation coefficient between the opening sequence of the current acquisition period and the flow sequence of the current acquisition period. The absolute value of the Pearson correlation coefficient can reflect the overall trend consistency between the water flow and the gate opening. The smaller its value, the greater the possibility of errors in the gate opening data.

[0031] Since there is a strong correlation between the water discharge flow and the gate opening under normal circumstances, when the gate opening changes significantly, the water discharge flow should also change significantly.

[0032] Therefore, in this embodiment, the PELT mutation point detection algorithm is used to respectively obtain the mutation points of the opening sequence and the flow sequence of the current acquisition period, and respectively count the number of mutation points in the opening sequence and the flow sequence, and calculate the absolute difference between the two numbers of mutation points. The absolute difference can reflect the difference in the number of significant changes that occur in the opening sequence and the flow sequence, so as to evaluate whether the opening sequence and the flow sequence still have a strong correlation.

[0033] Therefore, calculate the opening fluctuation coefficient X of the current acquisition period: ; where is a constant to avoid a denominator of 0, with a value range from 0 to 0.1. In this embodiment, the value is 0.01, T is the absolute difference, and Y is the absolute value of the Pearson correlation coefficient. The opening fluctuation coefficient can not only reflect whether the degree of trend co-variation between the opening sequence and the flow sequence is consistent, but also reflect whether the mutation time points and mutation time intervals that occur in the opening sequence and the flow sequence are consistent, and whether the number of mutations that occur is consistent. If the opening fluctuation coefficient is larger, it reflects that the co-variation between the opening sequence and the flow sequence is worse, and the error in the opening sequence is larger.

[0034] Step three: Based on the average wind speed level of each acquisition period and the degree of fluctuation of the opening data within the current acquisition period, obtain the wind speed influence coefficient of the current acquisition period, and combine the opening fluctuation coefficient to obtain the error influence degree of the current acquisition period.

[0035] Furthermore, the influence of the wind speed of the current acquisition period on the gate opening can be evaluated by calculating the significance of the average wind speed of the current acquisition period in the historical data. Under normal circumstances, the opening of the gate is usually stable; when the opening needs to change, since the change of the gate opening is controlled to achieve smooth flow regulation, its change usually shows a continuous trend of continuous increase or continuous decrease, and there will be no frequent large fluctuations. However, if the steel wire rope of the rope displacement sensor ages or is severely affected by environmental factors, it will cause the collected gate opening data to fluctuate frequently and with a large amplitude.

[0036] Obtain the mean value of the wind speed sequence within each acquisition period, which is denoted as the average wind speed of each acquisition period. Statistically calculate the ratio between the average wind speed of the current acquisition period and the maximum value among the average wind speeds of all acquisition periods. The larger this ratio is, the higher the average wind speed of the current acquisition period is compared to the historical wind speed, and the greater the possible impact on the steel wire rope. For the convenience of understanding and expression, in this embodiment, this ratio is denoted as the wind speed ratio.

[0037] Obtain the first-order difference sequence of the opening degree sequence of the current acquisition period, and obtain the variance of all elements within the first-order difference sequence, which is used to reflect the stability of the acquired opening degree data. The larger the variance is, the more frequent fluctuations occur in the acquired opening degree data, and the greater the amplitude of the fluctuations is, which is more inconsistent with the gate operation characteristics, indicating that the possibility of the steel wire rope aging or being affected by the environment and resulting in errors is greater.

[0038] Denote the product of the above wind speed ratio and the above variance as the wind speed influence coefficient of the current acquisition period. The wind speed influence coefficient can not only reflect whether the average wind speed of the current acquisition period is an extreme case in the historical acquisition periods, but also reflect the degree of fluctuation change of the opening degree sequence, thereby further reflecting whether there are large errors in the acquired opening degree data.

[0039] Denote the product of the opening degree fluctuation coefficient of the current acquisition period and the wind speed influence coefficient as the error influence degree of the current acquisition period. The error influence degree can reflect the degree to which the opening degree data collected by the rope displacement sensor within the current acquisition period is affected by environmental factors; the larger the error influence degree is, the greater the error in the opening degree data.

[0040] Step 4: Analyze the coordination degree between the changes in the gate opening degree and the wind speed within each acquisition period adjacent to the current acquisition period, obtain the wind influence index of the current acquisition period, analyze the differences in the wind influence indices of the current acquisition period relative to each adjacent acquisition period, and obtain the performance degradation index of the steel wire rope in the current acquisition period.

[0041] Furthermore, it can be compared with the degree of change in the historical data of the gate opening degree to further verify whether the steel wire rope in the current acquisition period has aged.

[0042] In this embodiment, first calculate the ratio between each element in the first-order difference sequence of the opening degree sequence of the current acquisition period and the element at the same position in the first-order difference sequence of the wind speed sequence respectively, and take the mean value of all ratios as the wind influence index of the current acquisition period, which is used to reflect the average influence of the wind speed change on the gate opening degree when the gate opening degree is fixed. The larger the wind influence index is, the greater the influence of the wind speed change on the fixed gate opening degree.

[0043] Considering that environmental factors can affect the acquisition of opening data, it is first necessary to select historical acquisition cycles from historical wind speed data that are relatively consistent with the wind speed during the current acquisition cycle. Preferably, in this embodiment, the k acquisition cycles closest to the current acquisition cycle are used as the neighboring acquisition cycles of the current acquisition cycle, and the value of k in this embodiment is 8. Therefore, according to the above process of this embodiment, the wind influence index of all neighboring acquisition cycles of the current acquisition cycle is obtained.

[0044] Furthermore, according to the difference in the wind influence index of the current acquisition cycle relative to its neighboring acquisition cycles, the performance degradation index of the steel wire rope in the current acquisition cycle is obtained, and the calculation formula is: ; where A is the performance degradation index of the steel wire rope in the current acquisition cycle; C is the wind influence index of the current acquisition cycle; B is the maximum value of the wind influence indexes of all neighboring acquisition cycles of the current acquisition cycle; k is the number of neighboring acquisition cycles; is the wind influence index of the t-th neighboring acquisition cycle.

[0045] In the above, The ratio of is used to reflect the difference between the wind influence index in the current acquisition cycle and the maximum value in the neighboring acquisition cycles. If is much greater than 1, it reflects that within the current acquisition cycle, the influence of unit wind speed on the steel wire rope far exceeds that of the neighboring acquisition cycles; is used to reflect the difference degree between the wind speed influence in the current acquisition cycle and the historical cycle.

[0046] Therefore, the performance degradation index A can reflect whether the influence degree of wind speed on the steel wire rope in the current acquisition cycle significantly exceeds the historical data; if the performance degradation index A is larger, it reflects that within the current acquisition cycle, the change of unit wind speed has a greater impact on the gate opening, and far exceeds the historical influence. It reflects that within the current acquisition cycle, the steel wire rope is more likely to be affected by the environment due to performance aging, and the error in the acquired opening data is also larger.

[0047] Step Five: Obtain the aging index of the steel wire rope in the current acquisition cycle according to the performance degradation index and the wind speed influence coefficient of the current acquisition cycle. If it is less than the preset aging threshold, correct the gate opening according to the error influence degree and the performance degradation index to monitor the gate opening of the water conservancy project. Otherwise, replace the steel wire rope and monitor the gate opening again.

[0048] In this embodiment, the ratio of the performance degradation index of the current acquisition cycle to the wind speed influence coefficient is denoted as the aging index of the steel wire rope in the current acquisition cycle. The larger the aging index, the smaller the influence of the wind speed in the current acquisition cycle, but the degree of its opening fluctuation far exceeds the historical data, which can reflect that the steel wire rope ages due to long-term use, and the greater the possibility of abnormal fluctuation of the gate opening. It is necessary to replace the steel wire rope in time to ensure the accuracy of the gate opening monitoring.

[0049] First, evaluate the aging degree of the steel wire rope: normalize the aging index of the steel wire rope in the current acquisition cycle. If the normalized aging index is less than the aging threshold, and the aging threshold takes the value of 0.5 in this embodiment, it reflects that the steel wire rope has not aged. At this time, there is no need to replace the steel wire rope, but it is necessary to correct the data according to the error degree of the collected data. Specifically, the opening sequence is corrected by combining the Savitzky-Golay filtering algorithm. If the error degree of the opening sequence is smaller, the window required by the Savitzky-Golay filtering algorithm is smaller to avoid overfitting and retain the detailed information of the opening sequence as much as possible. If the error is larger, reflecting that the opening change is more complex, a larger window is required for filtering to reduce the interference of the error. Preferably, in this embodiment, the calculation method of the window size of the Savitzky-Golay filtering algorithm is: ; In the formula, Q is the window size; is the initial window size, and its value range is from 10 to 21, and the value in this embodiment is 11; is the rounding function; is the exponential function with base e; L is the reciprocal of the product of the error influence degree and the performance degradation index in the current acquisition cycle. The smaller L is, the larger the error of the gate opening data is, then is larger to increase the window size and reduce the error interference.

[0050] Filter the opening sequence of the current acquisition cycle through the Savitzky-Golay filtering algorithm. Since the window needs to be an odd number, the odd number closest to Q is used as the window size, and the polynomial order is 3. The opening sequence output by the Savitzky-Golay filtering algorithm is used as the corrected opening data, and the gate opening is monitored based on the corrected opening data.

[0051] If the normalized aging index is greater than or equal to the aging threshold, it indicates that the steel wire rope has aged during the time period corresponding to the current acquisition cycle. Therefore, it is necessary to replace the steel wire rope, re-collect the data, and analyze and correct the data by using the above methods and processes in this embodiment, and monitor the gate opening again to ensure the accuracy of the gate opening monitoring of the water conservancy project.

[0052] Based on the same inventive concept as the above method, an embodiment of the present application further provides a water conservancy project gate opening monitoring device, including a memory, a processor, and a computer program stored in the memory and running on the processor. When the processor executes the computer program, the steps of any one of the above methods for monitoring the opening of a water conservancy project gate are implemented.

[0053] It can be understood that the above sequence of embodiments of the present application is only for description and does not represent the superiority or inferiority of the embodiments. In addition, the above specific embodiments of the present specification have been described. Further, the processes depicted in the accompanying drawings do not necessarily require the particular order or sequential order shown to achieve the desired result. In certain embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0054] Each embodiment in this specification is described in a progressive manner. The same or similar parts among the embodiments can be referred to each other, and the differences between each embodiment and other embodiments are emphasized.

[0055] The above content is only an implementation manner of the present application and is not used to limit the scope of the present application. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present application, or directly or indirectly applied in other related technical fields, shall be equally included in the protection scope of the present application.

Claims

1. A method for monitoring the gate opening of a water conservancy project, characterized in that: The following steps are involved: Obtain gate discharge flow, gate opening and wind speed in each collection period; Based on the correlation between the gate opening and the water discharge flow in the current collection period, and combined with the sudden changes of the gate opening and the water discharge flow, the opening fluctuation coefficient of the current collection period is obtained; Based on the average wind speed level of each collection period and the degree of fluctuation of the opening data in the current collection period, the wind speed influence coefficient of the current collection period is obtained, and the error influence degree of the current collection period is obtained in combination with the opening fluctuation coefficient; Analyze the degree of coordination between the gate opening change and the wind speed change in each collection cycle adjacent to the current collection cycle to obtain the wind impact index of the current collection cycle; analyze the difference in the wind impact index of the current collection cycle relative to each collection cycle of the nearest neighbors to obtain the performance degradation index of the wire rope in the current collection cycle; The aging index of the wire rope in the current collection period is obtained according to the performance degradation index and wind speed influence coefficient of the current collection period. If it is less than the preset aging threshold, the gate opening is corrected according to the error influence and the performance degradation index to monitor the gate opening of the water conservancy project. Otherwise, the wire rope is replaced and the gate opening is monitored again.

2. A method for monitoring the gate opening of a water conservancy project as claimed in claim 1, characterized in that: The method for obtaining the opening fluctuation coefficient of the current acquisition period is: All gate openings and water discharge flows in the current collection period are respectively composed of the opening sequence and flow sequence of the current collection period, the Pearson correlation coefficient between the opening sequence and the flow sequence is obtained, the number of mutation points in the opening sequence and the flow sequence is counted respectively, and the absolute difference between the two mutation points is calculated, and the opening fluctuation coefficient of the current collection period is calculated according to the Pearson correlation coefficient and the absolute difference.

3. A method for monitoring the gate opening of a water conservancy project as claimed in claim 2, characterized in that: The calculation method of the opening fluctuation coefficient X of the current acquisition cycle is: ; In the formula, To avoid a constant with a denominator of 0, T is the absolute difference and Y is the absolute value of the Pearson correlation coefficient.

4. A method for monitoring the gate opening of a water conservancy project as claimed in claim 2, characterized in that: The method for obtaining the wind speed influence coefficient of the current collection period is: The ratio between the average wind speed of the current acquisition period and the maximum value of the average wind speeds of all acquisition periods is calculated, and the first-order difference sequence of the opening sequence of the current acquisition period is obtained, and the variance of all elements in the first-order difference sequence is obtained, and the product of the ratio and the variance is used as the wind speed influence coefficient of the current acquisition period.

5. A method for monitoring gate opening of a water conservancy project as claimed in claim 1, characterized in that: The error influence degree of the current acquisition cycle is the product of the opening fluctuation coefficient of the current acquisition cycle and the wind speed influence coefficient.

6. A method for monitoring the gate opening of a water conservancy project as claimed in claim 2, characterized in that: The method for obtaining the wind impact index of the current collection period is: The average value of the ratio of each element in the first-order difference sequence of the opening sequence to each element at the same position in the wind speed sequence is calculated as the wind impact index of the current collection period, wherein all wind speeds in the current collection period form the wind speed sequence of the current collection period.

7. A method for monitoring gate opening of a water conservancy project as claimed in claim 1, characterized in that: The calculation method of the performance degradation index of the wire rope in the current acquisition cycle is: ; In the formula, A is the performance degradation index of the wire rope in the current collection cycle; C is the wind impact index of the current collection cycle; B is the maximum value of the wind impact index of all neighboring collection cycles of the current collection cycle, among which the k collection cycles closest to the current collection cycle are taken as the neighboring collection cycles of the current collection cycle; k is the number of neighboring collection cycles; is the wind impact index of the tth neighbor collection period.

8. A method for monitoring gate opening of a water conservancy project as claimed in claim 1, characterized in that: The aging index of the steel wire rope in the current acquisition period is the ratio of the performance degradation index in the current acquisition period to the wind speed influence coefficient.

9. A method for monitoring gate opening of a water conservancy project as claimed in claim 1, characterized in that: The correction of the gate opening according to the error influence and the performance degradation index further comprises: The gate opening is filtered by a filtering algorithm to obtain the corrected gate opening, wherein the calculation method of the filtering algorithm window size is: ;Where Q is the window size; is the initial window size, ranging from 10 to 21; is the rounding function; is an exponential function with e as the base; L is the reciprocal of the product of the error impact degree of the current acquisition cycle and the performance degradation index.

10. A device for monitoring the gate opening of a water conservancy project, comprising a memory, a processor, and a computer program stored in the memory and running on the processor, characterized in that: When the processor executes the computer program, the steps of a method for monitoring the opening of a water conservancy project gate are implemented as described in any one of claims 1-9.

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