Coupling lake and reservoir project and flood diversion scheduling method of outlet hub group thereof

Abstract

The invention discloses a coupling lake and reservoir project and a flood diversion scheduling method of an exit hub group thereof, which comprises the following steps: constructing a lake and reservoir hub flood diversion scheduling knowledge regularization storage knowledge table, and carrying out structured storage on various lake and reservoir hub rule scheduling knowledge through the knowledge regularization storage knowledge table; based on the obtained lake-reservoir hub flood diversion scheduling knowledge regularization storage knowledge table, lake-reservoir scheduling calculation and lake-reservoir hub project flood diversion calculation are carried out; the lake and reservoir scheduling calculation refers to calculation of a lake and reservoir upper water level and a reservoir-out total flow process according to a lake and reservoir forecast reservoir-in flow, a lake and reservoir storage capacity curve, a discharge capacity curve and a scheduling scheme specified by a user; the flood diversion calculation of the lake and reservoir hub project refers to the calculation of the flood diversion flow process of the hub project according to the obtained water level on the lake and reservoir, the total flow process of outbound reservoir, the hub flood diversion knowledge information and the discharge capacity curve of the hub gate dam project. According to the invention, lake and reservoir scheduling calculation and outlet hub project integrated flood diversion scheduling calculation are realized through the general branch architecture, and direct support is provided for lake and reservoir flood control regulation decision and project hub flood diversion scheduling execution.

Description

Technical Field

[0001] The present invention relates to water conservancy projects and basin dispatching and allocation technologies, and particularly to a flood diversion dispatching method for a coupled lake and reservoir project and its outlet hub group. Background Art

[0002] The "Four Predictions" application system for basin flood control is one of the important non-engineering measures for decision-making to exert the flood control capacity of the flood control project system and reduce flood losses. The formulation and decision-making of the basin flood control dispatching rehearsal plan are the key functional links of the rehearsal in the "Four Predictions". To achieve this function, generally, a generalized map of basin flood control dispatching is used to generalize important water conservancy entity objects and their interconnections, and then it is manually drawn or generated using GIS software. In the generalized map of basin flood control dispatching, corresponding dispatching knowledge information needs to be established for various types of gate and dam hub projects such as reservoirs, lakes, flood storage and detention areas, and flood diversion hubs to provide basic support for the pre-rehearsal analysis and calculation of the project group. In the traditional dispatching generalized map, generally, fixed dispatching scheme parameters are established for various objects and are often fixed inside the application program, which is difficult to maintain and modify. Especially in the node of the gate and dam hub group composed of multiple types of project groups, it is often difficult to adapt to the unified dispatching goal for joint flood diversion dispatching calculation.

[0003] Aiming at the knowledge rule bottleneck in the existing flood control dispatching generalized map for supporting the pre-rehearsal calculation of the water project group, a flood diversion dispatching knowledge storage system and calculation method for lake and reservoir gate and dam hub projects are provided, which can generally realize the structured and efficient storage of various types of knowledge such as the storage capacity, discharge capacity, and operation rules of various gate and dam hubs. Especially for the node of the gate and dam hub group composed of multiple types of project groups, it can realize the joint dispatching calculation based on the unified dispatching goal. Summary of the Invention

[0004] Object of the Invention: The object of the present invention is to solve the deficiencies existing in the prior art and provide a flood diversion dispatching method for a coupled lake and reservoir project and its outlet hub group.

[0005] Technical Solution: A flood diversion dispatching method for a coupled lake and reservoir project and its outlet hub group of the present invention includes the following steps:

[0006] Step 1, construct a knowledge table for regularized storage of flood diversion dispatching knowledge of the lake and reservoir hub, and structurally store the regularized dispatching knowledge of various lake and reservoir hubs through the knowledge table for regularized storage of flood diversion dispatching knowledge, so as to provide basic support for the generalized dispatching calculation of the lake and reservoir hub project;

[0007] The knowledge table for regularized storage of flood diversion dispatching knowledge includes a basic information knowledge table of the lake and reservoir hub, a characteristic relationship curve knowledge table of the lake and reservoir, a regularized information knowledge table of the lake and reservoir, and a flood diversion information knowledge table of the hub;

[0008] Step 2: Based on the knowledge table for regularized storage of flood diversion scheduling knowledge of the lake - reservoir hub obtained in Step 1, perform lake - reservoir scheduling calculations and flood diversion calculations for the lake - reservoir hub project;

[0009] The lake - reservoir scheduling calculation refers to calculating the water level above the lake - reservoir and the total outflow process according to knowledge such as the predicted inflow to the lake - reservoir, the lake - reservoir storage - capacity curve, the discharge - capacity curve, etc., and scheduling schemes specified by users, such as the current scheduling, rule - based scheduling, custom discharge, target water - level control, etc.;

[0010] The flood diversion calculation for the lake - reservoir hub project refers to calculating the flood - diversion flow process of the hub project according to the water level above the scheduling lake - reservoir, the total outflow process, knowledge of the hub flood - diversion information, the discharge - capacity curve of the hub sluice project, etc. Among them, the hub flood - diversion information can be obtained through the project scheduling scheme, and the discharge - capacity curve can be obtained through the composition of the hub gates and the discharge formula of each gate.

[0011] Furthermore, the detailed content of the knowledge table for regularized storage of knowledge in Step 1 is as follows:

[0012] The basic information knowledge table of the lake - reservoir hub consists of fields such as the lake - reservoir hub project code, project name, lake - reservoir flood - control station code, project category, project flood - diversion water level, project flood - diversion flow, designed maximum flood - diversion flow, designed maximum flood - recession flow, total flood - passing volume, flood - passing order, water - diversion coefficient, etc.

[0013] The characteristic relationship curve knowledge table of the lake - reservoir consists of fields such as the lake - reservoir flood - control code, relationship - curve category, curve serial number, independent variable X value of the curve sequence, dependent variable Y value of the curve sequence, etc.

[0014] The rule - information knowledge table of the lake - reservoir consists of fields such as the lake - reservoir flood - control station code, rule - knowledge serial number, lower limit of the application - condition threshold, upper limit of the application - condition threshold, total controlled discharge flow, etc.

[0015] The flood - diversion information knowledge table of the hub consists of fields such as the lake - reservoir flood - control station code, hub project code, total controlled discharge flow, maximum flood - diversion flow, remarks, etc.

[0016] Furthermore, the detailed calculation methods for the water level above the lake - reservoir and the total outflow process in Step 2 are as follows:

[0017] Step 1): Read the incoming flow Q in of the lake - reservoir object's forecast and the initial data information of the lake - reservoir. The incoming flow can be calculated through the rainfall - runoff model and the cross - section forecast scheme of the lake - reservoir object. The initial data of the lake - reservoir includes data such as the initial water level Z0 and the initial total outflow Q0 of the lake - reservoir, which can be obtained from the real - time rainfall and water - level database;

[0018] Step 2): Conduct scenario - based scheduling calculations for each scheme of the lake - reservoir;

[0019] First, obtain the project name and project coding information from the lake and reservoir hub basic information knowledge table HW_XXHQINFO_D. According to the control project coding, obtain the knowledge floor of various lake and reservoir characteristic relationship curves from the lake and reservoir characteristic relationship curve knowledge table HW_WSGXX_D, and obtain the knowledge floor of lake and reservoir operation rules from the lake and reservoir rule information knowledge table HW_RSVRGZ_G. Then, according to the inflow process Q in and the knowledge floor in ①, calculate the lake and reservoir storage, water surface area, and total lake and reservoir outflow information at each moment. The specific method is as follows:

[0020] The first step: According to the initial water level Z0 of the lake and reservoir, substitute it into the water level discharge capacity curve in the lake and reservoir characteristic relationship curve knowledge table, and use the linear interpolation algorithm to obtain the lake and reservoir discharge capacity value QC0 corresponding to the initial water level Z0 of the lake and reservoir;

[0021] The second step: According to the initial water level Z0 of the lake and reservoir, bring it into the lake and reservoir rule information knowledge table to obtain the allowable discharge flow QP0 corresponding to the initial water level Z0 of the lake and reservoir. The total discharge flow Q1 of the lake and reservoir at the current moment takes the smaller value of QC0 and QP0, that is, Q1 = min(QC0, QP0);

[0022] The third step: According to the current water level Z0, Q0 of the lake and reservoir and the inflow Q in value, use the water balance method to calculate the water level Z1 of the lake and reservoir at the next moment;

[0023] The fourth step: Substitute the calculated Z1 value into the storage capacity curve and the lake and reservoir water level area curve in the lake and reservoir characteristic relationship curve knowledge table to obtain the lake and reservoir storage W1 and the lake and reservoir water surface area A1;

[0024] The fifth step: Take Z1 output from the third step as the new Z0;

[0025] Repeat the first to fourth steps to calculate the values of Q2, Z2, W2, and A2. By repeating this process, the process data of the total outflow of the lake and reservoir, the water level above the lake and reservoir, the lake and reservoir storage, and the lake and reservoir water surface area at each moment can be calculated.

[0026] Furthermore, step 2 calculates the flood diversion flow process of each component of the lake and reservoir hub according to the lake and reservoir water level process Z, the total outflow process Q of the lake and reservoir, and the knowledge floor. The specific process is as follows:

[0027] The first step: Obtain the flood diversion hub objects composed of the lake and reservoir control project from the lake and reservoir hub basic information knowledge table HW_XXHQINFO_D. Specifically, it is the set of KSTCD objects with the same control coding in the HW_XXHQINFO_D table. For example, Figure 3 the objects with KSTCD of 50916500 in it altogether contain 7 flood diversion hub objects;

[0028] Step 2: Perform flood diversion scheduling calculations for each project one by one according to the operation order XHORDER information of the hub objects stipulated in the dispatching and operation plan. For example, enable them in sequence according to the stipulated priority. For the Hongze Lake hub, it includes flood diversion scheduling calculations for the Sanhe Sluice Project, flood diversion scheduling calculations for the Gaoliangjian Power Station, and flood diversion scheduling calculations for projects such as the surrounding flood storage and detention areas of Hongze Lake;

[0029] Step 3: When performing flood diversion scheduling calculations for each hub object in sequence according to the project category to which the hub object belongs, such as Figure 3 For the Sanhe Sluice Project, the project object category is 4, representing a flood diversion hub project. The flow rate of the control station when this project starts to operate is 0, and the maximum flood diversion flow rate is 18,000.

[0030] For flood diversion hub projects, for different outflows Q of the flood control control station of the lake reservoir, the flood diversion flow rate information is generated from the hub flood diversion information knowledge table. The hub flood diversion information knowledge table includes control station code, flood diversion hub code, flood diversion information category, total outflow independent variable of the control station, outflow response variable of the flood diversion hub, and remarks information;

[0031] Set m threshold sequences Q1, Q2, Q3…Q of the total outflow independent variable of the control station m and the outflow response variable sequence of the corresponding independent variable thresholds of n flood diversion hubs The sum of the flood diversion flow rates under the corresponding thresholds of each flood diversion hub is equal to the total outflow of the control station, that is

[0032] Based on the flood diversion hub knowledge information table, flood diversion scheduling calculations can be performed for each flood diversion hub project. The specific flood diversion flow rate calculation is carried out using the linear interpolation method. For the outflow Q of the control station at time t t , which is between the threshold flow rates Q m-i and Q m-i+1 , the response variable threshold of the jth flood diversion hub project is Then the flood diversion flow rate of the jth flood diversion hub at time t is:

[0033]

[0034] For these three different hub projects, namely flood storage areas (category 1), flood passage areas (category 2), and flood diversion channels (category 3), flood diversion calculations need to be carried out according to the set thresholds such as flood diversion water levels and flood diversion flow rates. For example, for the seaward waterway project, when the water level of the control section reservoir (lake) reaches 14.0 meters, flood diversion starts, and the flood diversion flow rate value is the smaller value between the remaining flow rate after flood diversion of each object above and the maximum flood diversion flow rate, that is q6 = min(q 余 , q f); in particular, a total flood flow constraint is set for the flood storage area. When the diverted flood volume reaches the designed flood volume, no more diversion will be carried out; the flood diversion control project 5 is generally located upstream of the control object, and the downstream flow is controlled according to the maximum allowable flood flow of the control section; for the excess flood storage and disposal area 6, after the diversion of the aforementioned project, the remaining flow continues to be diverted, and the flood diversion calculation method is the same as that of the flood storage area; in the fourth step, after the calculation of the diversion flow of each flood diversion hub object is completed, it will proceed to the next time step; repeat the third step to calculate again, and continue in this way, and the corresponding flood diversion process that each flood diversion hub needs to undertake can be calculated.

[0035] Beneficial effects: The present invention significantly improves the flood diversion dispatching efficiency and accuracy of lakes and reservoirs and their outlet hubs through regularized knowledge storage and automated calculation, and can effectively cope with complex and changeable flood situations, ensuring flood control safety and optimal utilization of water resources. Compared with the prior art, the present invention has the following advantages:

[0036] (1) The knowledge table for regular storage of flood diversion and dispatching knowledge of lake and reservoir hubs provided by the present invention uses a structured method to store knowledge information on flood control application rules of various lakes, reservoirs, hub sluice and dam projects. The knowledge table has a standardized structure, comprehensive knowledge information, and is easy to store. It can provide standardized storage for the construction of universal and standardized dispatching model knowledge.

[0037] (2) The present invention realizes the integrated flood diversion dispatching calculation of lake and reservoir dispatching calculation and export hub engineering through the overall and specific architecture, which provides direct support for lake and reservoir flood control and regulation decision-making and engineering hub flood diversion dispatching execution, and opens up the link between dispatching decision-making and engineering application execution. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is the overall flow chart of the present invention;

[0039] Figure 2 It is a structural diagram of an example table for storing flood diversion dispatch knowledge rules of lake and reservoir hubs in the embodiment;

[0040] Figure 3 Schematic diagram of traffic flow at each site in the embodiment. DETAILED DESCRIPTION

[0041] The technical solution of the present invention is described in detail below, but the protection scope of the present invention is not limited to the embodiments.

[0042] like Figure 1 As shown, a flood diversion dispatching method for coupling a lake-reservoir project and its outlet hub group of the present invention comprises the following steps:

[0043] Step 1: Construct a knowledge table for the regularized storage of flood diversion scheduling knowledge for lake and reservoir hubs. Structurally store various types of regularized scheduling knowledge for lake and reservoir hubs through the knowledge table for the regularized storage of knowledge, providing basic support for the generalized scheduling calculation of lake and reservoir hub projects;

[0044] The knowledge table for the regularized storage of knowledge includes a basic information knowledge table for lake and reservoir hubs, a characteristic relationship curve knowledge table for lakes and reservoirs, a regularized information knowledge table for lakes and reservoirs, and a flood diversion information knowledge table for hubs;

[0045] Step 2: Based on the knowledge table for the regularized storage of flood diversion scheduling knowledge for lake and reservoir hubs obtained in Step 1, perform lake and reservoir scheduling calculations and flood diversion calculations for lake and reservoir hub projects;

[0046] The lake and reservoir scheduling calculation refers to calculating the water level above the lake and reservoir and the total outflow process according to knowledge such as the predicted inflow to the lake and reservoir, the lake and reservoir storage capacity curve, the discharge capacity curve, etc., as well as scheduling schemes such as the current scheduling, regular scheduling, custom discharge, and target water level control specified by the user;

[0047] The flood diversion calculation for lake and reservoir hub projects refers to calculating the flood diversion flow process of the hub project according to the water level above the scheduling reservoir, the total outflow process, as well as knowledge such as flood diversion knowledge information for the hub and the discharge capacity curve of the hub sluice project. Among them, the flood diversion knowledge information for the hub can be obtained through the project scheduling scheme, and the discharge capacity curve can be obtained through the composition of the hub gates and the discharge formula for each gate.

[0048] As shown in Table 1 and Table 2, the detailed content of the knowledge table for the regularized storage of knowledge in Step 1 of this embodiment is as follows: The basic information knowledge table for lake and reservoir hubs consists of fields such as the project code of the lake and reservoir hub, the project name, the flood control station code of the lake and reservoir, the project category, the flood diversion water level of the project, the flood diversion flow of the project, the designed maximum flood diversion flow, the designed maximum flood recession flow, the total flood discharge volume, the flood discharge order, and the water distribution coefficient. The characteristic relationship curve knowledge table for lakes and reservoirs consists of fields such as the flood control control code of the lake and reservoir, the relationship curve category, the curve serial number, the independent variable X value of the curve sequence, and the dependent variable Y value of the curve sequence. The regularized information knowledge table for lakes and reservoirs consists of fields such as the flood control control station code of the lake and reservoir, the regularized knowledge serial number, the lower limit of the application condition threshold, the upper limit of the application condition threshold, and the total controlled discharge flow. The flood diversion information knowledge table for hubs consists of fields such as the flood control control station code of the lake and reservoir, the hub project code, the total controlled discharge flow, the maximum flood diversion flow, and the remarks.

[0049] Table 1 Basic Information Knowledge Table for Lake and Reservoir Hubs

[0050]

[0051] Table 2 Flood Diversion Information Knowledge Table for Hubs

[0052]

[0053] Furthermore, the detailed calculation methods for the water level above the lake / reservoir and the total outflow process in step 2 are as follows:

[0054] Step 1): Read the incoming flow Q predicted for the lake / reservoir object in process and the initial regulation data information of the lake / reservoir. The incoming flow can be calculated through the rainfall-runoff model and the cross-section prediction scheme of the lake / reservoir object. The initial regulation data of the lake / reservoir includes data such as the initial water level Z0 and the initial total outflow Q0 of the lake / reservoir, which can be obtained from the real-time rainfall and water regime database;

[0055] Step 2): Conduct scenario-based scheduling calculations for various scenarios of the lake / reservoir;

[0056] First, obtain the project name and project code information from the basic information knowledge table of the lake / reservoir hub HW_XXHQINFO_D. According to the control project code, obtain the knowledge base of various characteristic relationship curves of the lake / reservoir from the knowledge table of lake / reservoir characteristic relationship curves HW_WSGXX_D, and obtain the knowledge base of lake / reservoir scheduling rules from the knowledge table of lake / reservoir rule information HW_RSVRGZ_G; then, based on the incoming flow process Q in and the knowledge base in ①, calculate the storage volume, water surface area, and total outflow information of the lake / reservoir at each moment. The specific method is as follows:

[0057] The first step: According to the initial water level Z0 of the lake / reservoir, substitute it into the water level-discharge capacity curve in the knowledge table of lake / reservoir characteristic relationship curves, and use the linear interpolation algorithm to obtain the lake / reservoir discharge capacity value QC0 corresponding to the initial water level Z0 of the lake / reservoir;

[0058] The second step: According to the initial water level Z0 of the lake / reservoir, substitute it into the knowledge table of lake / reservoir rule information to obtain the allowable discharge flow QP0 corresponding to the initial water level Z0 of the lake / reservoir. The total discharge flow Q1 of the lake / reservoir at the current moment takes the smaller value of QC0 and QP0, that is, Q1 = min(QC0, QP0);;

[0059] The third step: According to the current water level Z0, Q0 and incoming flow Q of the lake / reservoir in values, use the water balance method to calculate the water level Z1 of the lake / reservoir at the next moment;

[0060] The fourth step: Substitute the calculated Z1 value into the storage capacity curve and the lake / reservoir water level-area curve in the knowledge table of lake / reservoir characteristic relationship curves to obtain the storage volume W1 and the water surface area A1 of the lake / reservoir;

[0061] The fifth step: Use the Z1 output in the third step as the new Z0;

[0062] Repeat the first to fourth steps to calculate the values of Q2, Z2, W2, and A2. By repeating this process, the process data of the total outflow, the water level above the lake / reservoir, the storage volume, and the water surface area of the lake / reservoir at each moment can be calculated.

[0063] Further, in step 2, the flood diversion flow process of each component of the lake - reservoir hub is calculated based on the lake - reservoir water level process Z, the total outflow process Q of the lake - reservoir, and the knowledge baseboard. The specific process is as follows:

[0064] In the first step, obtain the flood diversion hub objects composed of the lake - reservoir control projects from the lake - reservoir hub basic information knowledge table HW_XXHQINFO_D. Specifically, it is the set of objects of the same control code KS TCD in the HW_XXHQINFO_D table. For example, Figure 3 the objects with KSTCD of 50916500 in the table altogether contain 7 flood diversion hub objects;

[0065] In the second step, perform flood diversion scheduling calculations for each project one by one according to the operation order XHORDER information of the component hub objects stipulated in the scheduling operation plan. For example, enable them in sequence according to the stipulated priority. For example, the Hongze Lake hub successively includes flood diversion scheduling calculations for the Sanhe Sluice project, flood diversion scheduling calculations for the Gaoliangjian Power Station, and flood diversion scheduling calculations for projects such as the Hongze Lake surrounding flood storage and detention areas, as Figure 3 shown;

[0066] In the third step, when performing flood diversion scheduling calculations for each hub object in sequence according to the project category to which the hub object belongs, such as Figure 3 for the Sanhe Sluice project in and Table 1, the project object category is 4, representing a flood diversion hub project. The flow rate of the control station when this project starts operation is 0, and the maximum flood diversion flow rate is 18000.

[0067] For flood diversion hub projects, for different out - flow rates Q of the lake - reservoir flood control control station, the flood diversion flow information is generated from the hub flood diversion information knowledge table. The hub flood diversion information knowledge table includes control station code, flood diversion hub code, flood diversion information category, control station total outflow independent variable, flood diversion hub outflow response variable, and remarks information;

[0068] Set m threshold sequences Q1, Q2, Q3…Q m of the control station total outflow independent variable, and the outflow response variable sequences of the corresponding independent variable thresholds of n flood diversion hubs. The sum of the flood diversion flows under the corresponding thresholds of each flood diversion hub is equal to the total outflow of the control station, that is

[0069] Based on the flood diversion hub knowledge information table, flood diversion scheduling calculations can be performed for each flood diversion hub project. Specifically, the flood diversion flow calculation is carried out using the linear interpolation method. For the outflow rate Q of the control station at time t t , which is between the threshold flow rates Q m-i and Q m-i+1 , and the response variable threshold of the j - th flood diversion hub project corresponding to it is then the flood diversion flow of the j - th flood diversion hub at time t is:

[0070]

[0071] As Figure 3 shown in Table 2 for the Sanhe Sluice Project, when the discharge (lake) flow rate Q at the control section is less than or equal to 4750 m 3 / s, the entire Sanhe Sluice Project is diverted. When the discharge (lake) flow rate Q at the control section is greater than 4750 m 3 / s and less than or equal to 5650 m 3 / s, the Sanhe Sluice Project diverts 4750 m 3 / s. When the discharge (lake) flow rate Q at the control section is greater than 5650 m 3 / s and less than or equal to 7030 m 3 / s, the diverted flow rate of the Sanhe Sluice Project is controlled between 4750 m 3 / s and 5830 m 3 / s. The specific flood diversion flow rate is calculated using the linear interpolation method based on the sectional thresholds. And so on. When the discharge (lake) flow rate Q at the control section is greater than or equal to 25000 m 3 / s, the maximum diverted flow rate of the Sanhe Sluice Project is 12000 m 3 / s. After the flood diversion calculation of the Sanhe Sluice Project is completed, the flood diversion scheduling calculations for projects such as the Gaoliangjian Power Station and the Gaoliangjian Sluice are carried out successively in this way.

[0072] For the hub project objects of categories 1, 2, and 3 (1 is a flood storage area, 2 is a flood passage area, and 3 is a flood diversion channel), flood diversion calculations are carried out according to the set thresholds such as flood diversion water levels and flood diversion flow rates. As Figure 3 in the case of the Inland Waterway to the Sea Project, flood diversion starts when the water level at the control section reaches 14.0 meters. The flood diversion flow rate value is the smaller value between the remaining flow rate after the flood diversion of each object and the maximum flood diversion flow rate, that is, q6 = min(q 余 , q f ). Specifically, for the flood storage area, a constraint on the total flood passage volume is set. When the flood diversion volume reaches the design flood volume, flood diversion stops. For the flood diversion control project 5, which is generally located upstream of the control object, the downstream discharge is controlled according to the maximum allowable flood passage flow rate at the control section. For the excess flood storage and detention disposal area 6, after the above-mentioned projects are used for flood diversion, the remaining flow rate is further diverted, and the flood diversion calculation method is the same as that for the flood storage area. Fourth step, after the flood diversion flow rate calculations for each flood diversion hub object are completed, transfer to the next time step; repeat the third step to calculate again, and so on in turn, and the corresponding flood diversion processes that each flood diversion hub needs to bear can be calculated.

Claims

1. A flood diversion scheduling method for a coupled lake - reservoir project and its outlet hub group, characterized in that, It includes the following steps: Step 1: Construct a knowledge table for regularized storage of flood diversion scheduling knowledge of lake - reservoir hubs, and structurally store various types of regularized scheduling knowledge of lake - reservoir hubs through the knowledge table for regularized storage of knowledge; The knowledge table for regularized storage of knowledge includes a basic information knowledge table of lake - reservoir hubs, a characteristic relationship curve knowledge table of lake - reservoirs, a regular information knowledge table of lake - reservoirs, and a flood diversion information knowledge table of hubs; Step 2: Based on the knowledge table for regularized storage of flood diversion scheduling knowledge of lake - reservoir hubs obtained in Step 1, perform lake - reservoir scheduling calculations and flood diversion calculations for lake - reservoir hub projects; The lake - reservoir scheduling calculation refers to calculating the water level above the lake - reservoir and the total outflow process according to the predicted inflow to the lake - reservoir, the lake - reservoir storage - capacity curve, the discharge - capacity curve, and the user - specified scheduling scheme; The flood diversion calculation for lake - reservoir hub projects refers to calculating the flood diversion flow process of hub projects according to the water level above the lake - reservoir and the total outflow process obtained, as well as the flood diversion knowledge information of the hub and the discharge - capacity curve of the hub sluice and dam projects.

2. The flood diversion scheduling method of the coupled lake-reservoir project and its outlet hub group according to claim 1, characterized in that, The detailed content of the knowledge table for regularized storage of knowledge in Step 1 is as follows: The basic information knowledge table of lake - reservoir hubs includes the project code of lake - reservoir hub projects, project name, flood control control station code of lake - reservoirs, project category, project flood - diversion water level, project flood - diversion flow, designed maximum flood - diversion flow, designed maximum flood - recession flow, total flood - passing volume, flood - passing order, and water - diversion coefficient; The characteristic relationship curve knowledge table of lake - reservoirs includes the flood control control code of lake - reservoirs, relationship curve category, curve serial number, independent variable X values of the curve sequence, and dependent variable Y values of the curve sequence; The regular information knowledge table of lake - reservoirs includes the flood control control station code of lake - reservoirs, regular knowledge serial number, lower limit of application condition threshold, upper limit of application condition threshold, and total controlled discharge; The flood diversion information knowledge table of hubs includes the flood control control station code of lake - reservoirs, hub project code, total controlled discharge, maximum flood - diversion flow, and remarks.

3. The flood diversion scheduling method for the coupled lake-reservoir project and its outlet hub group according to claim 1, wherein The detailed calculation methods for the water level above the lake - reservoir and the total outflow process in Step 2 are as follows: First, read the inflow process Q of the lake / reservoir object forecast in and the initial data information of the lake / reservoir, which includes the initial water level Z0 and the initial total outflow Q0 of the lake / reservoir; Then, obtain the project name and project code information from the basic information knowledge table of lake - reservoir hubs, obtain the knowledge base plates of various characteristic relationship curves of the lake - reservoir from the characteristic relationship curve knowledge table of lake - reservoirs according to the flood control control project code of the lake - reservoir, and obtain the lake - reservoir scheduling rule knowledge base plate from the regular information knowledge table of lake - reservoirs; Next, according to the incoming water process Q in and the knowledge base of lake and reservoir operation rules, calculate the storage volume, water surface area, and total outflow information of the lake and reservoir at each moment. The specific method is as follows: First step: According to the initial water level Z0 of the lake - reservoir, substitute it into the water - level discharge - capacity curve in the characteristic relationship curve knowledge table of the lake - reservoir, and use the linear interpolation algorithm to obtain the lake - reservoir discharge - capacity value QC0 corresponding to the initial water level Z0 of the lake - reservoir; Second step: According to the initial water level Z0 of the lake - reservoir, substitute it into the regular information knowledge table of the lake - reservoir to obtain the allowable discharge QP0 corresponding to the initial water level Z0 of the lake - reservoir; at this time, the total discharge Q1 of the lake - reservoir at the current moment takes the smaller value of QC0 and QP0, that is, Q1 = min(QC0, QP0); Step 3: According to the incoming water process Q at the current moment in , the initial water level Z0 of the lake / reservoir and the initial total outflow Q0, the water level Z1 of the lake / reservoir at the next moment is calculated by using the water balance method; Fourth step: Substitute the calculated Z1 value into the storage - capacity curve and the lake - reservoir water - level area curve in the characteristic relationship curve knowledge table of the lake - reservoir to obtain the lake - reservoir storage W1 and the lake - reservoir water surface area A1; Step 5: Take the Z1 obtained from the output of the third step as the new initial water level Z0 of the lake reservoir, and repeat Steps 1 to 4 to calculate the values of Q2, Z2, W2, and A2 at subsequent moments. By repeating this process, the process data of the total outflow of the lake reservoir, the water level above the lake reservoir, the storage volume of the lake reservoir, and the water surface area of the lake reservoir at each moment can be calculated.

4. The flood diversion scheduling method for the coupled lake and reservoir project and its outlet hub group according to claim 1 or 3, characterized in that, Step 2: Calculate the flood diversion flow process of each component of the lake reservoir hub according to the lake reservoir water level process Z, the total outflow process Q of the lake reservoir, and the knowledge base. The specific process is as follows: Step 1: Obtain the flood diversion hub objects composed of the lake reservoir control project from the basic information knowledge table of the lake reservoir hub. Step 2: Perform flood diversion scheduling calculations for each project one by one according to the operation sequence of the component hub objects stipulated in the operation plan. Step 3: According to the project categories to which the hub objects belong, perform flood diversion scheduling calculations for each hub object in turn.

5. The flood diversion scheduling method of the coupled lake reservoir project and its outlet hub group according to claim 4, characterized in that For the flood diversion hub project, for different outflow discharges Q of the flood control control station of the lake reservoir, the flood diversion flow information is generated from the hub flood diversion information knowledge table, and the hub flood diversion information knowledge table includes the control station code, the flood diversion hub code, the flood diversion information category, the independent variable of the total outflow of the control station, the dependent variable of the outflow of the flood diversion hub, and the remarks information; Set m threshold sequences Q1, Q2, Q3…Q of the total outflow independent variable of the control station m , and the outflow response variable sequences of the corresponding independent variable thresholds of n flood diversion hubs The sum of the flood diversion flows corresponding to the respective thresholds of each flood diversion hub is equal to the total outflow of the control station, that is Based on the flood diversion hub knowledge information table, the flood diversion scheduling calculation can be carried out for each flood diversion hub project. The specific flood diversion flow calculation is performed using the linear interpolation method. For the outflow Q of the control station at time t t , which is between the threshold flows Q m-i and Q m-i+1 , the corresponding response variable threshold of the j-th flood diversion hub project is Then the flood diversion flow of the j-th flood diversion hub at time t is:[[]] For the three different hub projects of the flood storage area, the flood passage area, and the flood diversion river, flood diversion calculations need to be performed according to the set flood diversion water level and flood diversion flow threshold.

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