A water conservancy project management method and system based on digital twinning

Abstract

The application discloses a kind of based on digital twinning water conservancy project management method and system, is water conservancy project management technical field, multiple monitoring control points are set up in the water conservancy project in the application, based on digital twinning model, and current water level describing the relationship of water level and flow is sequentially obtained, the current hydraulic efficiency of evaluating water conservancy project performance, and the adjusted flow per second for feedback adjustment, by control center to each monitoring point of water conservancy project flow distribution, the application utilizes digital twinning model, respectively embodies the key elements of basic simulation, performance evaluation and closed-loop control in digital twinning concept, simultaneously, by extending the concept of digital twinning, multiple monitoring points of data can be integrated into a unified control center, and the functions of distributed control and optimization, expansion and integration are realized, these functions will help to improve the operation efficiency and stability of water conservancy project.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water conservancy engineering management, and particularly relates to a water conservancy engineering management method and system based on digital twinning. BACKGROUND

[0002] Water conservancy engineering is an important project related to national economy and people's livelihood, and its management method and system technology are constantly developing with the continuous progress of science and technology. In the management of water conservancy engineering, the traditional method often relies on manual monitoring and experience judgment. This method is not only inefficient, but also difficult to accurately reflect the real-time operation state of water conservancy engineering.

[0003] Specifically, the traditional method relies on manual monitoring, which leads to inaccurate monitoring data. Moreover, due to the limitation of monitoring means, the traditional method often cannot reflect the operation state of water conservancy engineering in real time, resulting in delayed decision-making.

[0004] In addition, the traditional method mainly relies on experience judgment and lacks scientific optimization control means, resulting in low operation efficiency of water conservancy engineering. In the existing management of water conservancy engineering, although some formulas are used for calculation, these formulas often only focus on a single physical quantity and process, lack of systematicness and relevance, and cannot comprehensively reflect the overall operation state of water conservancy engineering. SUMMARY

[0005] The technical problem to be solved by the present application is that the existing technology lacks real-time monitoring, is difficult to optimize control, and cannot comprehensively reflect the operation state. Therefore, the present application provides a water conservancy engineering management method and system based on digital twinning.

[0006] The technical scheme mainly comprises the following steps:

[0007] Step S1: multiple monitoring control points are set up in the water conservancy engineering, and water level monitoring information, flow monitoring information and power monitoring information are collected in real time;

[0008] Step S2: the water level monitoring information, the flow monitoring information and the power monitoring information are transmitted to the control center of the water conservancy engineering management through a communication network;

[0009] Step S3: extract the preset water power efficiency, maximum preset flow and last base water level characteristics stored in the control center;

[0010] The water level monitoring information, flow monitoring information and power monitoring information of each monitoring point of the water conservancy engineering are collected, and a digital twinning model is constructed in combination with the operation law of the water conservancy engineering;

[0011] Step S4: Based on the digital twin model, the current water level describing the relationship between water level and flow rate is obtained according to the water level monitoring information and the flow rate monitoring information;

[0012] According to the water level monitoring information, the flow rate monitoring information, the power monitoring information and the current water level, the current hydraulic efficiency for evaluating the performance of the water conservancy project is obtained;

[0013] According to the water level monitoring information, the flow rate monitoring information, the power monitoring information, the current water level, the current hydraulic efficiency and the preset hydraulic efficiency, the adjusted flow rate per second for feedback adjustment is obtained;

[0014] Step S5: Based on the adjusted flow rate per second, the flow rate of each monitoring point of the water conservancy project is allocated by the control center of the water conservancy project management through a communication network;

[0015] Step S6: The control center monitors the monitoring data of each monitoring point of the water conservancy project in real time and performs real-time early warning.

[0016] Preferably, the water level monitoring information includes a basic water level, a minimum water level and a maximum water level;

[0017] The flow rate monitoring information includes a flow rate per second and a flow rate coefficient;

[0018] The power monitoring information includes an input hydraulic power, an output hydraulic power, a maximum hydraulic efficiency and a minimum hydraulic efficiency;

[0019] According to the flow rate per second and the flow rate coefficient, the flow rate influence characteristic on water level is obtained;

[0020] According to the water level influence characteristic and the basic water level, the current water level is obtained.

[0021] Preferably, based on the flow rate per second and the maximum preset flow rate, a flow rate factor is obtained;

[0022] According to the current water level, the minimum water level and the maximum water level, a water level factor is obtained;

[0023] According to the input hydraulic power and the output hydraulic power, a power factor is obtained;

[0024] According to the flow rate factor, the water level factor and the power factor, the current hydraulic efficiency is obtained.

[0025] Preferably, based on the difference between the previous basic water level characteristic and the current water level, a water level adjustment value is obtained;

[0026] According to the water level adjustment value and the current water level, a water level adjustment factor is obtained;

[0027] obtaining a power adjustment factor according to the current hydraulic efficiency, the maximum hydraulic efficiency, the minimum hydraulic efficiency and the preset hydraulic efficiency;

[0028] obtaining a comprehensive adjustment factor according to the water level adjustment factor and the power adjustment factor;

[0029] obtaining the adjusted per-second flow according to the comprehensive adjustment factor and the per-second flow.

[0030] Preferably, based on the maximum preset flow and the preset hydraulic efficiency, the control center performs early warning when monitoring that any one of the preset values of the maximum preset flow and the preset hydraulic efficiency of each monitoring point of the water conservancy project is exceeded.

[0031] Preferably, based on the result of the adjusted per-second flow, the adjusted per-second flow is taken as the next adjusted per-second flow;

[0032] The result of the adjusted per-second flow is transmitted by the control center to each monitoring point of the water conservancy project for dynamic control and execution.

[0033] The technical scheme mainly comprises: a water conservancy project management system based on digital twinning, comprising a data acquisition module, a data processing module, a digital twinning model module, an algorithm calculation module, a control execution module and an early warning module.

[0034] The data acquisition module is used for real-time sensing and collecting the water level monitoring information, the flow monitoring information and the power monitoring information of a plurality of monitoring control points in the water conservancy project.

[0035] The data processing module is used for transmitting the water level monitoring information, the flow monitoring information and the power monitoring information to the control execution module.

[0036] The digital twinning model module is used for constructing a digital twinning model according to the water level monitoring information, the flow monitoring information, the power monitoring information and the operation law of the water conservancy project.

[0037] The algorithm calculation module is used for obtaining a current hydraulic efficiency for evaluating the performance of the water conservancy project according to the water level monitoring information, the flow monitoring information, the power monitoring information and the current water level.

[0038] The algorithm calculation module is used for obtaining a current hydraulic efficiency for evaluating the performance of the water conservancy project according to the water level monitoring information, the flow monitoring information, the power monitoring information and the current water level.

[0039] The control execution module is configured to control the adjusted per-second flow rate of each monitoring point of the water conservancy project.

[0040] The early warning module is configured to perform early warning on the flow monitoring information and the power monitoring information of each monitoring point of the water conservancy project.

[0041] Preferably, the data acquisition module uses devices including sensors and data acquisition devices.

[0042] The data processing module uses devices including data processing devices.

[0043] The digital twin model module uses devices including model establishment devices.

[0044] The algorithm calculation module uses devices including computing devices.

[0045] The control execution module uses devices including central control devices.

[0046] The early warning module uses devices including display and alarm devices.

[0047] The technical effects and advantages of the present application are as follows:

[0048] In the present application, by setting up multiple monitoring control points in the water conservancy project and equipping sensors and data acquisition devices, real-time monitoring of the water conservancy project is realized, and at the same time, the monitoring data is processed and analyzed by the digital twin model, improving the accuracy and reliability of the data.

[0049] In the present application, the digital twin model is used to sequentially obtain the current water level, the current water power efficiency, the adjusted per-second flow rate, and the constructed closed-loop feedback regulation system, and when the operating state of the water conservancy project changes, the system can calculate the water power efficiency in real time and adjust the flow rate according to the preset value, thereby realizing the optimal control of the water conservancy project. This real-time feedback mechanism greatly improves the response speed and stability of the system.

[0050] In addition, the digital twin model sequentially calculates the current water level, the current water power efficiency, and the adjusted per-second flow rate, which not only describes different physical quantities and processes respectively, but also forms a complete system through the correlation of water level, flow rate, and water power efficiency physical quantities. This systematicness and correlation enable the digital twin model to more comprehensively reflect the overall operating state of the water conservancy project and provide a more accurate basis for optimal control. BRIEF DESCRIPTION OF DRAWINGS

[0051] Figure 1 The method flowchart of the present water conservancy project management method;

[0052] Figure 2It is the overall structure schematic diagram of the water conservancy project management system.

[0053] Figure 3 It is the calculation feedback schematic diagram of the digital twin model in the application. DETAILED DESCRIPTION

[0054] The application will be further described in detail in combination with the drawings and preferred embodiments.

[0055] Reference Figures 1 to 3 The application provides a technical solution: a water conservancy project management method based on digital twin, specifically including the following steps:

[0056] Step S1: multiple monitoring control points are set up in the water conservancy project, and water level monitoring information, flow monitoring information and power monitoring information are collected in real time;

[0057] Step S2: the water level monitoring information, flow monitoring information and power monitoring information are transmitted to the control center of the water conservancy project management through a communication network;

[0058] Step S3: the preset hydraulic efficiency, the maximum preset flow and the last base water level characteristics stored in the control center are extracted;

[0059] The collected water level monitoring information, flow monitoring information and power monitoring information of each monitoring point of the water conservancy project are used to construct a digital twin model in combination with the operation law of the water conservancy project;

[0060] Step S4: based on the digital twin model, the current water level describing the relationship between water level and flow is obtained according to the water level monitoring information and the flow monitoring information;

[0061] According to the water level monitoring information, the flow monitoring information, the power monitoring information and the current water level, the current hydraulic efficiency for evaluating the performance of the water conservancy project is obtained;

[0062] According to the water level monitoring information, the flow monitoring information, the power monitoring information, the current water level, the current hydraulic efficiency and the preset hydraulic efficiency, the adjusted flow per second for feedback adjustment is obtained;

[0063] Step S5: based on the adjusted flow per second, the adjusted flow per second is transmitted to the control center of the water conservancy project management through a communication network, and the flow of each monitoring point of the water conservancy project is distributed by the control center;

[0064] Step S6: the control center monitors the flow monitoring information and the power monitoring information of each monitoring point of the water conservancy project in real time, and performs real-time early warning.

[0065] The application provides another technical solution: a water conservancy project management system based on digital twinning, comprising a data acquisition module, a data processing module, a digital twinning model module, an algorithm calculation module, a control execution module, and an early warning module.

[0066] The data acquisition module is used for real-time sensing and collecting water level monitoring information, flow monitoring information, and power monitoring information of multiple monitoring control points in the water conservancy project.

[0067] The data processing module is used for transmitting the water level monitoring information, the flow monitoring information, and the power monitoring information to the control execution module.

[0068] The digital twinning model module is used for constructing a digital twinning model according to the water level monitoring information, the flow monitoring information, and the power monitoring information and the operation law of the water conservancy project.

[0069] The algorithm calculation module is used for obtaining a current hydraulic efficiency for evaluating the performance of the water conservancy project according to the water level monitoring information, the flow monitoring information, the power monitoring information, and the current water level.

[0070] According to the water level monitoring information, the flow monitoring information, the power monitoring information, the current water level, the current hydraulic efficiency, and a preset hydraulic efficiency, an adjusted flow per second for feedback adjustment is obtained.

[0071] The control execution module is used for controlling and executing the adjusted flow per second for each monitoring point of the water conservancy project.

[0072] The early warning module is used for early warning of the flow monitoring information and the power monitoring information of each monitoring point of the water conservancy project.

[0073] The devices used by the data acquisition module include sensors and data collectors.

[0074] The devices used by the data processing module include data processing devices.

[0075] The devices used by the digital twinning model module include model establishment devices.

[0076] The devices used by the algorithm calculation module include calculation devices.

[0077] The devices used by the control execution module include central control devices.

[0078] The devices used by the early warning module include display and alarm devices.

[0079] The water conservancy project management method and system based on digital twinning of the embodiment includes method steps, modules and units, and devices used in multiple aspects, and through the steps of constructing a digital twin model, collecting and processing data, calculating hydraulic efficiency and adjusting flow, real-time monitoring and feedback, and system optimization and iteration, precise management and optimized control of the water conservancy project can be realized, and through reasonable module division and device configuration, the stability and reliability of the system can be ensured.

[0080] Referring to Figure 3 In the embodiment, the water level monitoring information includes a basic water level, a minimum water level and a maximum water level.

[0081] The flow monitoring information includes a per-second flow and a flow coefficient.

[0082] The power monitoring information includes an input hydraulic power, an output hydraulic power, a maximum hydraulic efficiency and a minimum hydraulic efficiency.

[0083] According to the per-second flow and the flow coefficient, a flow-to-water level influence characteristic is obtained.

[0084] According to the water level influence characteristic and the basic water level, a current water level is obtained.

[0085] The calculation formula of the water level describing the relationship between the water level and the flow is as follows:

[0086]

[0087] Wherein:

[0088] W is the current water level, W represents the water depth in meters of each monitoring point of the water conservancy project;

[0089] L is the per-second flow, L represents the flow of the per-second water flow in cubic meters through each monitoring point of the water conservancy project;

[0090] I is the flow coefficient, I reflects the degree of hindering and promoting of the water conservancy structure to the water flow, and I is simulated and stored in the system through experiments when the water conservancy structure is put into use;

[0091] W0 is the basic water level, W0 represents the water depth in meters of each monitoring point of the water conservancy project without flow;

[0092] The result is an intermediate quantity related to flow and water level, and reflects the influence degree of the water conservancy structure on the water level under a certain flow.

[0093] The calculation of the water level describing the relationship between the water level and the flow in the embodiment is ​In fluid mechanics, the relationship between the flow rate L per second and the current water level W is usually complex, especially in hydraulic structures with specific geometric shapes that hinder and promote water flow, resulting in a nonlinear relationship between flow rate and water level. To approximately describe this nonlinear relationship, the square root of the result is processed, which obtains an intermediate quantity related to both flow rate and water level, reflecting the degree of influence of the hydraulic structure on the water level at a specific flow rate. Specifically, when the flow rate L per second increases, the result also increases, but due to the square root, the speed of this increase gradually slows down, meaning that as the flow rate increases, the rate of water level rise gradually slows down, reflecting the hindering effect of the hydraulic structure on water flow. Conversely, if the hydraulic structure promotes water flow, the square root result will make the water level rise relatively quickly compared to the hindering effect. Therefore, the square root method not only approximately describes the nonlinear relationship between flow rate and water level, but also reflects the influence of the hydraulic structure on water flow.

[0094] accurately describes the basic relationship between water level and flow rate in hydraulic engineering, providing a solid physical foundation for the digital twin model. Through , the system can simulate and predict water level changes under different flow rates in real time, and combined with real-time data from multiple monitoring control points, it can quickly calculate the water level at each point, thereby achieving comprehensive monitoring of the hydraulic engineering, which not only improves monitoring efficiency but also ensures data accuracy and timeliness;

[0095] Through , the system can analyze water level changes under different flow rates to optimize the allocation of water resources. In addition, , the flow coefficient I is simulated based on the average ratio of flow rate without and with obstacles at different water levels for different hydraulic structures, allowing the system to adapt to different hydraulic engineering conditions and enhance its stability and adaptability.

[0096] Referring to Figure 3 , in the present embodiment: based on the flow rate per second and the maximum preset flow rate, a flow factor is obtained;

[0097] based on the current water level, the minimum water level, and the maximum water level, a water level factor is obtained;

[0098] based on the input hydraulic power and the output hydraulic power, a power factor is obtained;

[0099] based on the flow factor, the water level factor, and the power factor, the current hydraulic efficiency is obtained. ​

[0100] The calculation formula for hydraulic efficiency to evaluate the performance of water conservancy projects is as follows:

[0101] ;

[0102] in:

[0103] P is the current hydraulic efficiency;

[0104] L max is the maximum preset flow rate, L max It indicates the maximum flow rate manually set at each monitoring point of the water conservancy project when the water conservancy project structure is put into use;

[0105] W min is the minimum water level, W min It reflects the minimum water level monitored at each monitoring point of the water conservancy project during the historical monitoring period after the water conservancy project structure was put into use;

[0106] W max is the maximum water level, W max It reflects the minimum water level monitored at each monitoring point of the water conservancy project during the historical monitoring period after the water conservancy project structure was put into use;

[0107] G in is the input hydraulic power;

[0108] G out is the output hydraulic power;

[0109] The result is a flow factor that reflects the proportional relationship between the actual flow and the preset maximum flow;

[0110] The result is a water level factor used to evaluate the operating efficiency of each monitoring point of the water conservancy project at different water levels;

[0111] The result is a power factor that evaluates the energy loss at each monitoring point in the water conservancy project during the energy conversion process.

[0112] In this embodiment The result is the flow factor, which is used to quantify the actual flow rate per second. This ratio reflects the flow condition of the water conservancy project in actual operation and is an important parameter for evaluating its operating efficiency. Through the flow factor, we can understand whether the water conservancy project is in a full load, light load or overload state. The result is the water level factor, which is used to evaluate the operating efficiency of water conservancy projects at different water levels. and The water level factor reflects the operating status of the water conservancy project within the range of water level changes. For water conservancy projects with water level regulation functions, understanding their operating efficiency at different water levels helps to provide a numerical basis and improve the overall operating efficiency. The result is the power factor, which is used to quantify the proportional relationship between the hydraulic power input and output of the water conservancy project. This ratio reflects the efficiency of the water conservancy project in the energy conversion process. Through the power factor, the loss of the water conservancy project in the energy conversion process can be evaluated;

[0113] When evaluating the efficiency of water conservancy projects, if this ratio is used directly Without square root processing, since hydraulic power is proportional to the square of flow, even if the flow and water head fluctuate slightly, the power factor will change greatly, which is not conducive to the stable evaluation of the operating efficiency of water conservancy projects. In order to solve this problem, the square root method is used to calculate the power factor. Process the results;

[0114] The purpose of multiplying the three components of the metric—the flow factor, the water level factor, and the power factor—is to comprehensively assess the current hydraulic efficiency (P) of a water conservancy project. This factor takes into account multiple factors, such as the flow rate, water level, and power of the water conservancy project during actual operation. By multiplying these three components, a value reflecting the overall operating efficiency of the water conservancy project can be obtained, which helps to more comprehensively understand the operating status of the water conservancy project.

[0115] The current hydraulic efficiency P is a key indicator for optimal control. When the current hydraulic efficiency P is low, the system can improve efficiency by adjusting flow and water level parameters.

[0116] Reference Figure 1 and Figure 3 As shown, in this embodiment: based on the difference between the previous basic water level characteristic and the current water level, the water level adjustment value is obtained;

[0117] Get the water level adjustment factor based on the water level adjustment value and the current water level;

[0118] Obtaining a power adjustment factor according to current hydraulic efficiency, maximum hydraulic efficiency, minimum hydraulic efficiency and preset hydraulic efficiency;

[0119] Obtain a comprehensive adjustment factor based on the water level adjustment factor and the power adjustment factor;

[0120] The adjusted flow rate per second is obtained according to the comprehensive adjustment factor and the flow rate per second.

[0121] The flow rate used for feedback adjustment is calculated as follows:

[0122] ;

[0123] Wherein:

[0124] L new is the adjusted flow per second;

[0125] Pa is the preset hydraulic efficiency, Pa represents the preset hydraulic efficiency of each monitoring point of the water conservancy project when the water conservancy structure is put into use; , including the maximum preset flow L max , and is brought into the calculation formula to obtain the preset value calculated;

[0126] P max is the maximum hydraulic efficiency, P max is reflected in the maximum value of the hydraulic efficiency monitored in the historical monitoring of each monitoring point of the water conservancy project after the water conservancy structure is put into use;

[0127] P min is the minimum hydraulic efficiency, P min is reflected in the minimum value of the hydraulic efficiency monitored in the historical monitoring of each monitoring point of the water conservancy project after the water conservancy structure is put into use;

[0128] △W is the water level adjustment value, △W reflects the difference between the current and the last monitoring water level of each monitoring point of the water conservancy project, that is, the difference between W old and W old is the last water level;

[0129] The result of is a comprehensive adjustment factor for calculating the flow adjustment ratio according to the influence of the hydraulic efficiency deviation and the water level deviation of the adjacent two times on the current water level;

[0130] Based on the result of the adjusted flow per second L new , and the adjusted flow per second L new is the adjusted flow per second L of the next adjustment, the result of the adjusted flow per second L new is transmitted to each monitoring point of the water conservancy project by the control center, and is dynamically controlled and executed.

[0131] The calculation part of the embodiment aims to calculate an adjustment factor according to the deviation of the current hydraulic efficiency P and the preset hydraulic efficiency Pa, and the deviation of the maximum hydraulic efficiency P max and the minimum hydraulic efficiency P min , and the adjustment factor will be used to adjust the original flow per second L to obtain the adjusted flow per second L new, thereby realizing feedback regulation of hydraulic efficiency. This calculation method is adopted to linearly reflect the impact of hydraulic efficiency deviation on flow adjustment. When the current hydraulic efficiency P is close to the preset hydraulic efficiency Pa, the adjustment factor is close to 1, and the flow adjustment amount is small. When the current hydraulic efficiency P is far away from the preset hydraulic efficiency Pa, the adjustment factor will be significantly greater than and less than 1, and the flow adjustment amount is large. This design helps the system quickly converge to the preset hydraulic efficiency Pa. The calculation part is in The multiplication further considers the impact of two adjacent water level deviations on the current water level, and then calculates a comprehensive adjustment factor, which is directly multiplied by the original flow rate per second L to obtain the adjusted flow rate per second L new , and determines the direction and amplitude of flow adjustment, which is the key to achieve feedback regulation;

[0132] Adjusted flow rate per second L new By introducing the preset hydraulic efficiency Pa and the water level adjustment value △W, the closed-loop control of the flow rate is realized. When the actual current hydraulic efficiency P deviates from the preset hydraulic efficiency Pa, the system can automatically adjust the adjusted flow rate L per second. new To restore the performance of the water conservancy project, the closed-loop control system can resist the influence of external interference and uncertainty factors, enhance the robustness of the system, and adjust the flow rate L per second. new The system can adjust the flow in real time to ensure that the water conservancy project can operate stably under different conditions. After adjustment, the flow rate per second is L new The adjustment process is a process of continuous iteration and optimization. By repeatedly adjusting the flow and water level parameters, the system can gradually approach the optimal state and maximize the performance of the water conservancy project.

[0133] Adjusted flow rate per second L new This cyclic effect forms a closed-loop feedback system, which enables the system to continuously adjust and optimize according to the current state. Specifically, when the flow rate per second L is adjusted new When W increases, the next actual current water level W will also increase accordingly, and vice versa. This cyclic adjustment process helps the system respond to changes quickly and maintain a stable state.

[0134] Reference Figure 1 As shown, in this embodiment: based on the maximum preset flow L max and the preset hydraulic efficiency Pa, and the control center monitors that each monitoring point of the water conservancy project exceeds the maximum preset flow L max When any of the preset values ​​of the hydraulic efficiency Pa is exceeded, an early warning is issued.

[0135] The embodiment can capture abnormal changes of water level and hydraulic efficiency key data in real time through real-time monitoring, thereby triggering a warning mechanism rapidly. The instant response capability greatly shortens the time for finding problems and taking actions, improves management efficiency, and provides accurate and comprehensive information support for real-time monitoring data, thereby avoiding waste and loss of water resources.

[0136] It should be noted that any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall also be within the protection scope of the present application.

Claims

1. A water conservancy project management method based on digital twins, characterized in that: The specific steps include: Step S1: multiple monitoring control points are set up in the water conservancy project, and water level monitoring information, flow monitoring information and power monitoring information are collected in real time by sensing; Step S2: transmitting the water level monitoring information, the flow monitoring information, and the power monitoring information to a control center for water conservancy project management via a communication network; Step S3: extracting the preset hydraulic efficiency, maximum preset flow rate and previous basic water level characteristics stored in the control center; Using the water level monitoring information, the flow monitoring information, and the power monitoring information collected at each monitoring point of the water conservancy project, and combining them with the operating rules of the water conservancy project, a digital twin model is constructed; Step S4: Based on the digital twin model, according to the water level monitoring information and the flow monitoring information, obtain and output the current water level that describes the relationship between the water level and the flow; Obtaining a current hydraulic efficiency for evaluating the performance of a water conservancy project based on the water level monitoring information, the flow monitoring information, the power monitoring information, and the current water level; Obtaining an adjusted flow rate per second for feedback adjustment according to the water level monitoring information, the flow rate monitoring information, the power monitoring information, the current water level, the current hydraulic efficiency, and the preset hydraulic efficiency; Step S5: Based on the adjusted flow rate per second, the data is transmitted to the control center of the water conservancy project management via the communication network, and the control center distributes the flow rate to each monitoring point of the water conservancy project; Step S6: The control center monitors the flow monitoring information and the power monitoring information of each monitoring point of the water conservancy project in real time, and issues a real-time early warning.

2. A water conservancy project management method based on digital twin according to claim 1, characterized in that: The water level monitoring information includes basic water level, minimum water level and maximum water level; The flow monitoring information includes flow rate per second and flow coefficient; The power monitoring information includes input hydraulic power, output hydraulic power, maximum hydraulic efficiency and minimum hydraulic efficiency; Obtaining characteristics of the impact of flow on water level according to the flow rate per second and the flow coefficient; The current water level is obtained according to the water level influencing characteristics and the basic water level.

3. A water conservancy project management method based on digital twin according to claim 2, characterized in that: Obtaining a flow factor based on the flow rate per second and the maximum preset flow rate; Obtaining a water level factor according to the current water level, the minimum water level, and the maximum water level; Obtaining a power factor according to the input hydraulic power and the output hydraulic power; The current hydraulic efficiency is obtained according to the flow factor, the water level factor, and the power factor.

4. A water conservancy project management method based on digital twins according to claim 3, characterized in that: Obtaining a water level adjustment value based on a difference between the previous basic water level characteristic and the current water level; Obtaining a water level adjustment factor according to the water level adjustment value and the current water level; Obtaining a power adjustment factor according to the current hydraulic efficiency, the maximum hydraulic efficiency, the minimum hydraulic efficiency, and the preset hydraulic efficiency; Obtaining a comprehensive adjustment factor according to the water level adjustment factor and the power adjustment factor; The adjusted flow rate per second is obtained according to the comprehensive adjustment factor and the flow rate per second.

5. A water conservancy project management method based on digital twins according to claim 4, characterized in that: Based on the maximum preset flow rate and the preset hydraulic efficiency, the control center issues an early warning when monitoring that each monitoring point of the water conservancy project exceeds any one of the maximum preset flow rate and the preset hydraulic efficiency.

6. A water conservancy project management method based on digital twins according to claim 5, characterized in that: Based on the result of the adjusted flow rate per second, the adjusted flow rate per second is used as the flow rate per second after the next adjustment; The control center transmits the adjusted flow rate per second result to each monitoring point of the water conservancy project for dynamic control and execution.

7. A water conservancy project management system based on digital twins that implements the water conservancy project management method based on digital twins according to any one of claims 1 to 6, characterized in that: Including data acquisition module, data processing module, digital twin model module, algorithm calculation module, control execution module, and early warning module; The data acquisition module is used for real-time sensing and acquisition of the water level monitoring information, the flow monitoring information and the power monitoring information of multiple monitoring control points in the water conservancy project; The data processing module is used to transmit the water level monitoring information, the flow monitoring information and the power monitoring information to the control execution module; The digital twin model module is used to build a digital twin model based on the water level monitoring information, the flow monitoring information, the power monitoring information and the operation law of the water conservancy project; The algorithm calculation module is used to obtain the current hydraulic efficiency for evaluating the performance of the water conservancy project based on the water level monitoring information, the flow monitoring information, the power monitoring information and the current water level; Obtaining an adjusted flow rate per second for feedback adjustment according to the water level monitoring information, the flow rate monitoring information, the power monitoring information, the current water level, the current hydraulic efficiency, and the preset hydraulic efficiency; The control execution module is used to control and execute the adjusted flow rate per second at each monitoring point of the water conservancy project; The early warning module is used to issue an early warning for the flow monitoring information and the power monitoring information of each monitoring point of the water conservancy project.

8. The water conservancy project management system based on digital twin according to claim 7, characterized in that: The equipment used in the data acquisition module includes sensors and data collectors; The equipment used by the data processing module includes data processing equipment; The equipment used in the digital twin model module includes model building equipment; The devices used by the algorithm calculation module include computing devices; The equipment used by the control execution module includes a central control device; The equipment used by the early warning module includes display and alarm equipment.

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