CN106202978A - Fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimization method and system thereof - Google Patents
Fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimization method and system thereof Download PDFInfo
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Abstract
The invention discloses a kind of fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimization method, S1, collection fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimizing control models desired data；S2, set up and store fully-loaded stream multiple purpose reservoir division of flood seasonal phases point recognition methods；S3, set up and store flood regulation by level and stages scheme；S4, set up and store fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization；S5, solve the flood regulation by level and stages Model for Multi-Objective Optimization described in fully-loaded stream；S6, generate and export fully-loaded stream flood regulation by level and stages prioritization scheme.The method have the advantages that and determine fully-loaded stream flood regulation by level and stages optimal control policy, provide a kind of effective way for realizing fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimization.
Description
Technical field
The present invention relates to fully-loaded stream flood control by reservoir regulation mitigation, drought resisting and flood water resources utilization, especially relate to high concentration of sediment
River composite utilizes reservoir flood regulation by level and stages optimization method and system thereof.
Background technology
The contradiction of supply and demand for the water resource of China is the severeest, and flood water resources utilization has alleviating basin water resources shortage problem
Very important meaning.On the one hand, China's most of basin river flow is affected by monsoon, within the year and distributes pole not between year border
Uniformly, basin storm flood has obvious Seasonal Analysis；On the other hand, reservoir flood regulation by level and stages is set, carries out flood
Flood control safety guarantee etc. is necessarily brought certain risk by the utilization of resources.
Literature research shows, existing multiple purpose reservoir flood regulation by level and stages is studied mainly for clear water river, such as scholar
Liu Pan et al. is according to reservoir flood peak magnanimity, it is considered to the factors such as flood control risks, power benefit, navigation benefit, it is proposed that the Yangtze River Gorges
The method that reservoir flood regulation by level and stages optimizes.But, northern China is dry, short of rain rocky, not only shortage of water resources, and
Silt content of river is relatively big, therefore must take into the Sedimentation problem of river, reservoir when flood water resources utilization.At present, relate to
The research that fully-loaded stream reservoir flood regulation by level and stages optimizes is less.Fully-loaded stream multiple purpose reservoir flood regulation by level and stages is excellent
Eliminate and needed to relate to outside clear water river relevant issues, further related to silt characteristic by stages, reservoir sedimentation form, the use of sediment trapping storage capacity
The problems such as the time limit.How to plan as a whole flood control, subtract the demands such as silt, water supply, determine the suitable flood regulation by level and stages of fully-loaded stream reservoir,
Enable reservoir play for a long time flood control, subtract silt, supply water, irrigate, the comprehensive function such as generating, and to keep Long-Term Effective Storage be ability
The emphasis of territory research and difficult point.
Summary of the invention
Present invention aim at providing a kind of multiple purpose reservoir flood regulation by level and stages optimization method, another object of the present invention
It is to provide a kind of specific optimisation system realizing this optimization method.
For achieving the above object, the present invention takes following technical proposals:
Fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimization method of the present invention, is carried out as steps described below:
S1, collection fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimizing control models desired data, it may be assumed that gather many mud
Shahe stream multiple purpose reservoir flood regulation by level and stages optimize rainfall data day by day in coverage, flood element data, runoff and
Silt discharge data, the characteristic parameter of reservoir, reservoir requirements of comprehensive utilization data；
S2, set up and store fully-loaded stream multiple purpose reservoir division of flood seasonal phases point recognition methods, it may be assumed that with meteorology because of analytic process,
Based on Statistics Method, fuzzy clustering algorithm, fractal analysis, Distribution of Vortexes By The Method of Circular Statistics, described reservoir upstream and downstream relevant range is dropped
Rain and Reservoir Flood silt inbound station, the downstream flood control flow of control station, silt content feature by stages are analyzed, by above-mentioned many
The method of kind is mutually authenticated, and identifies the division of flood seasonal phases point of fully-loaded stream multiple purpose reservoir upstream and downstream flood sediment；
S3, set up and store flood regulation by level and stages scheme, it may be assumed that according to the recognition result of described division of flood seasonal phases point, computational analysis flood
Phase seasonal design flood, subtracts in combination with flood control and becomes silted up and the restriction index of comprehensive utilization, draft flood regulation by level and stages scheme；
S4, set up and store fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization, it may be assumed that based on Phylogenetic position, with
Flood control risks is minimum, it is minimum to subtract silt impact, comprehensive utilization benefit optimum is object function, with control condition of controlling flood, flood control feature
Water level is constraint, calculates flood control risks, subtracts silt impact, comprehensive utilization benefit index, builds flood regulation by level and stages multiple-objection optimization
Model；
S5, solve the flood regulation by level and stages Model for Multi-Objective Optimization described in fully-loaded stream, it may be assumed that according to the flood control risks calculated,
Subtract silt impact, comprehensive utilization benefit index, by feeding back the multiple target of artificial neural network based on fuzzy preferred process and error
Evaluation methodology overall merit, supports flood season limit level Optimal Decision-making；
S6, generate and export fully-loaded stream flood regulation by level and stages prioritization scheme, it may be assumed that with flood regulation by level and stages prioritization scheme and
Flood resource increases storage capacity and shows fully-loaded stream flood regulation by level and stages optimal control policy.
Present invention specific optimisation system based on described fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimization method
System, including:
Data acquisition module, is used for gathering fully-loaded stream multiple purpose reservoir flood regulation by level and stages and optimizes in coverage day by day
Rainfall data, flood element data, runoff and silt discharge data, the characteristic parameter of reservoir, reservoir requirements of comprehensive utilization data；
Put identification module by stages, receive described data acquisition module send data, with meteorology because of analytic process, Statistics Method,
Based on fuzzy clustering algorithm, fractal analysis, Distribution of Vortexes By The Method of Circular Statistics, described reservoir flood regulation by level and stages is optimized day in coverage
Rainfall, warehouse-in instantaneous delivery, intraday effect, per day silt content are analyzed, and identify fully-loaded stream multiple purpose reservoir
Point by stages；
Flood regulation by level and stages programming module, puts identification module data described in reception by stages, and computational analysis division of flood seasonal phases designs
Flood, subtracts in combination with flood control and becomes silted up and the restriction index of comprehensive utilization, draft flood regulation by level and stages scheme；
Fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization builds module, receives described flood regulation by level and stages programming
The data that module sends, are used for setting up fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization；
Fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization solves module, for limiting described fully-loaded stream flood by stages
Water level Model for Multi-Objective Optimization solves；
Fully-loaded stream flood regulation by level and stages control strategy output module, is used for exporting flood regulation by level and stages prioritization scheme and flood thereof
Water resource increases storage capacity.
The method have the advantages that based on fully-loaded stream division of flood seasonal phases characteristic, by rainfall, flood, silt to be put knowledge by stages
Not, set up fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization, according to the flood control risks calculated, subtract silt impact, comprehensive
Utilization benefit index, comprehensively comments by feeding back the multi-objective assessment method of artificial neural network based on fuzzy preferred process and error
Valency, thus solve fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization, determines that fully-loaded stream flood regulation by level and stages is
Excellent control strategy, provides a kind of effective way for realizing fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimization.
Accompanying drawing explanation
Fig. 1 is the optimization method flow chart of the embodiment of the present invention.
Fig. 2 is that the embodiment of the present invention is for putting the hydrometric station day max-flow spirogram of identification by stages.
Fig. 3 is that the embodiment of the present invention is for putting the hydrometric station day maximum sediment concentration figure of identification by stages.
Fig. 4 is that the embodiment of the present invention solves the flow chart of calculating for model optimization.
Fig. 5 is that the embodiment of the present invention is for multi-object evaluation model training figure.
Detailed description of the invention
For ease of a further understanding of the present invention, now make the most specifically as a example by the Yellow River mainstream Xiaolangdi Dam Project
Bright:
As shown in Figure 2-5, fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimization method of the present invention, according to following
Step is carried out:
S1, the controlling multiple purpose reservoir Xiaolangdi Dam Project flood regulation by level and stages optimal control gathered on fully-loaded stream the Yellow River
Model desired data, it may be assumed that gather Xiaolangdi Dam Project flood regulation by level and stages and optimize Tongguan, Huayuankou, three Hua Jian etc. in coverage
Stand or the rainfall data day by day in interval, flood element data, runoff and silt discharge data, the characteristic parameter of reservoir, reservoir are comprehensive
Utilization requires data；
S2, setting up and store Xiaolangdi Dam Project and put recognition methods by stages, described fully-loaded stream multiple purpose reservoir flood by stages limits
Water level analyzes method: with meteorology because of analytic process, Statistics Method, fuzzy clustering algorithm, fractal analysis, Distribution of Vortexes By The Method of Circular Statistics in many ways
Based on method analytical technology, daily rainfall, warehouse-in instantaneous delivery, per day stream in the range of basin that Xiaolangdi Dam Project upstream and downstream is correlated with
Amount, per day silt content are analyzed, and identify Xiaolangdi Dam Project division of flood seasonal phases point；By to Xiaolangdi Dam Project and relevant range thereof
Representing station and control interval carries out multi-method and puts identification by stages, selected August 20, JIUYUE 10 days, October 10 are relevant reservoir generation
Table station and control interval point by stages；
S3, set up and store Xiaolangdi Dam Project flood regulation by level and stages scheme；I.e. according to putting recognition result by stages, analyze associated station and
Interval division of flood seasonal phases design flood, subtracts according to Xiaolangdi Dam Project flood control simultaneously and becomes silted up and the restriction index of comprehensive utilization, draft many
Group flood regulation by level and stages scheme；
S4, set up and store fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization, receive flood regulation by level and stages scheme mould
The data that block sends, based on Phylogenetic position, with least risk of controlling flood, subtract that silt impact is minimum, comprehensive utilization benefit optimum is
Object function, with control flood control condition, characteristic water stage etc. for constraint, calculates flood control risks, subtracts silt impact, comprehensive utilization effect
Benefit index, builds flood season limit level Model for Multi-Objective Optimization.
S5, solve the flood regulation by level and stages Model for Multi-Objective Optimization described in fully-loaded stream, it may be assumed that according to the flood control wind calculated
By inches, subtract silt impact, comprehensive utilization benefit index, by feeding back many mesh of artificial neural network based on fuzzy preferred process and error
Mark evaluation methodology overall merit, supports flood season limit level Optimal Decision-making；
Fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization object function is:
In formula, S represents flood season limit level prioritization scheme,RepresentIndividual comprehensive utilization desired value,Generation
Table comprehensive utilization target number.
The main constraints of flood season limit level Model for Multi-Objective Optimization is:
(1) water balance constraint
In formula,Represent respectivelyIndividual calculation interval is just and period end storage capacity；Represent respectivelyIndividual calculating
The average reservoir inflow of period and average storage outflow；For material calculation；
(2) restriction of water level
In formula,Represent flood control respectively to control to calculate peak level and reservoir filling position, flood end；Respectively
Represent peak level and the peak level of reservoir refill that flood control allows；
(3) traffic constraints
In formula,Represent maximum letdown flow,Represent flood control control and let out requirement；RepresentUnder water level
Letdown flow,Represent the maximum discharge capacity under equivalent water level；Represent flow during flow-sediment regulation,Represent traffic requirement scope during flow-sediment regulation；Represent minimum discharging flow,Represent
Requirement is let out in minimum ecological discharge control；Additionally, also relate to water force constraint, output calculation during model solution calculates about
Bundle etc.；
S6, fully-loaded stream flood regulation by level and stages control strategy output scheme, it may be assumed that with flood regulation by level and stages optimal case and flood thereof
Water resource increases storage capacity and shows fully-loaded stream flood regulation by level and stages optimal control policy.
By solving Xiaolangdi Dam Project flood regulation by level and stages Model for Multi-Objective Optimization, flood regulation by level and stages optimum side is proposed
Case, it is 1.59 hundred million m that program flood resource increases storage capacity3。
The present embodiment is analyzed as follows:
(1) identify by stages and seasonal design flood calculates
Choose Little Valleys In The Middle Reaches of The Yellow river mouth town ~ 168 ~ 673, interval, Huayuankou precipitation station and carry out rainfall and put identification by stages as representing station,
Choose flood series between station, Tongguan, Huayuankou Station, three flowers to carry out flood as representative and put identification by stages, choose station, Tongguan as generation
Table station carries out silt and puts identification by stages, considers the Cause of Meteorological Formation simultaneously, and August 20 is selected in comprehensive analysis, October 10 was between three flowers
Division of flood seasonal phases point；Selected JIUYUE 10 days, October 10 are the point by stages in Tongguan, Huayuankou Station flood season.
Analyze the seasonal design flood in each station and interval, choose typical flood, according to different Flood Region compositions, design
Peb process.
(2) flood regulation by level and stages programming
Putting on identification and seasonal design flood performance basis by stages, subtracting in conjunction with flood control and become silted up and the restriction index of comprehensive utilization, intend
Determine Xiaolangdi Dam Project flood regulation by level and stages scheme, be shown in Table 1.
Table 1 Xiaolangdi Dam Project flood regulation by level and stages scheme table
。
(3) flood regulation by level and stages Model for Multi-Objective Optimization builds and solves
Based on Phylogenetic position, with least risk of controlling flood, subtract silt impact minimum and generate electricity, supply water, the multiple Xing Lixiao such as irrigation
Benefit is object function to the maximum, subtracts silt with characteristic water level of reservoir, flood control and ecological flow control lets out requirement etc. for constraint, calculate wind of controlling flood
By inches, subtract silt impact, comprehensive utilization benefit index, build flood regulation by level and stages Model for Multi-Objective Optimization.
According to different flood regulation by level and stages schemes, calculated by the Yellow River middle and lower reaches series-parallel connection multi-reservoir associating Flood Control Dispatch,
Xiaolangdi Dam Project and downstream river course hydraulics erosion and deposition calculating etc. calculate flood control risks, subtract silt impact, comprehensive utilization benefit index, see
Table 2.
Table 2 flood season limit level to be optimized scheme difference index feature value table
。
According to the flood control risks calculated, subtract silt impact, comprehensive utilization benefit index, by based on fuzzy preferred process and mistake
The multi-objective assessment method overall merit of difference feedback artificial neural network.For 4 schemes drafted, by fuzzy preferred process
And error feedback artificial neural network training obtains each scheme to the complicated non-thread between the relative defects value of optimal case
Sexual relationship, calculates the relative defects that different schemes is optimum, and carries out trap queuing, each flood regulation by level and stages side of overall merit
The risk benefit of case, is shown in Table 3.
Table 3 flood season limit level to be optimized scheme Multi-target evaluation outcome table
。
(4) effect analysis
According to Xiaolangdi Dam Project flood regulation by level and stages Model for Multi-Objective Optimization evaluation result, it is recommended that use scheme four, i.e. the Sanmenxia Gorge,
Huayuankou uses the point by stages in JIUYUE 10 days and October 10, and uses the point by stages in August 20 and October 10 between three flowers.According to
This, be divided into July 1～August 20, August 21～JIUYUE 10 days, JIUYUE by 1 day July in flood season of Xiaolangdi Dam Project～October 31
11 days～use October 10, October 11～October 31 etc. 4, its corresponding flood season limit level was respectively by stages
254m, 260m, 266m and 271m.Calculating through carrying out the Typical Year containing three kinds of waters rich, flat, withered adjusting, the program can be at flood end
More existing scheme increases reservoir storage 1.59 hundred million m the most every year3。
As shown in Figure 1, present invention specific optimisation system based on described multiple purpose reservoir flood regulation by level and stages optimization method
System, including:
Data acquisition module, be used for gathering multiple purpose reservoir flood regulation by level and stages optimize rainfall data day by day in coverage,
Flood element data, runoff and silt discharge data, the characteristic parameter of reservoir, reservoir requirements of comprehensive utilization data；
Put identification module by stages, receive described data acquisition module send data, with meteorology because of analytic process, Statistics Method,
Based on fuzzy clustering algorithm, fractal analysis, Distribution of Vortexes By The Method of Circular Statistics, described reservoir flood regulation by level and stages is optimized day in coverage
Rainfall, warehouse-in instantaneous delivery, intraday effect, per day silt content are analyzed, and identify fully-loaded stream multiple purpose reservoir
Point by stages；
Flood regulation by level and stages programming module, puts identification module data described in reception by stages, and computational analysis division of flood seasonal phases designs
Flood, subtracts in combination with flood control and becomes silted up and the restriction index of comprehensive utilization, draft flood regulation by level and stages scheme；
Fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization builds module, receives described flood regulation by level and stages programming
The data that module sends, are used for setting up fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization；
Fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization solves module, for limiting described fully-loaded stream flood by stages
Water level Model for Multi-Objective Optimization solves；
Fully-loaded stream flood regulation by level and stages control strategy output module, is used for exporting flood regulation by level and stages prioritization scheme and flood thereof
Water resource increases storage capacity.
Claims (2)
1. a fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimization method, it is characterised in that: as steps described below
Carry out:
S1, collection fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimizing control models desired data, it may be assumed that gather comprehensive
Utilize reservoir flood regulation by level and stages optimize rainfall data day by day in coverage, flood element data, runoff and silt discharge data,
The characteristic parameter of reservoir, reservoir requirements of comprehensive utilization data；
S2, set up and store fully-loaded stream multiple purpose reservoir division of flood seasonal phases point recognition methods, it may be assumed that with meteorology because of analytic process,
Based on Statistics Method, fuzzy clustering algorithm, fractal analysis, Distribution of Vortexes By The Method of Circular Statistics, described reservoir upstream and downstream relevant range is dropped
Rain and Reservoir Flood silt inbound station, the downstream flood control flow of control station, silt content feature by stages are analyzed, by above-mentioned many
The method of kind is mutually authenticated, and identifies the division of flood seasonal phases point of fully-loaded stream multiple purpose reservoir upstream and downstream flood sediment；
S3, set up and store flood regulation by level and stages scheme, it may be assumed that according to the recognition result of described division of flood seasonal phases point, computational analysis flood
Phase seasonal design flood, subtracts in combination with flood control and becomes silted up and the restriction index of comprehensive utilization, draft flood regulation by level and stages scheme；
S4, set up and store fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization, it may be assumed that based on Phylogenetic position, with
Flood control risks is minimum, it is minimum to subtract silt impact, comprehensive utilization benefit optimum is object function, with control condition of controlling flood, flood control feature
Water level is constraint, calculates flood control risks, subtracts silt impact, comprehensive utilization benefit index, builds flood regulation by level and stages multiple-objection optimization
Model；
S5, solve the flood regulation by level and stages Model for Multi-Objective Optimization described in fully-loaded stream, it may be assumed that according to the flood control risks calculated,
Subtract silt impact, comprehensive utilization benefit index, by feeding back the multiple target of artificial neural network based on fuzzy preferred process and error
Evaluation methodology overall merit, supports flood season limit level Optimal Decision-making；
S6, generate and export fully-loaded stream flood regulation by level and stages prioritization scheme, it may be assumed that with flood regulation by level and stages prioritization scheme and
Flood resource increases storage capacity and shows fully-loaded stream flood regulation by level and stages optimal control policy.
2. based on the specific optimisation system of fully-loaded stream multiple purpose reservoir flood regulation by level and stages optimization method described in claim 1
System, it is characterised in that: including:
Data acquisition module, is used for gathering fully-loaded stream multiple purpose reservoir flood regulation by level and stages and optimizes in coverage day by day
Rainfall data, flood element data, runoff and silt discharge data, the characteristic parameter of reservoir, reservoir requirements of comprehensive utilization data；
Put identification module by stages, receive described data acquisition module send data, with meteorology because of analytic process, Statistics Method,
Based on fuzzy clustering algorithm, fractal analysis, Distribution of Vortexes By The Method of Circular Statistics, described reservoir flood regulation by level and stages is optimized day in coverage
Rainfall, warehouse-in instantaneous delivery, intraday effect, per day silt content are analyzed, and identify fully-loaded stream multiple purpose reservoir
Point by stages；
Flood regulation by level and stages programming module, puts identification module data described in reception by stages, and computational analysis division of flood seasonal phases designs
Flood, subtracts in combination with flood control and becomes silted up and the restriction index of comprehensive utilization, draft flood regulation by level and stages scheme；
Fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization builds module, receives described flood regulation by level and stages programming
The data that module sends, are used for setting up fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization；
Fully-loaded stream flood regulation by level and stages Model for Multi-Objective Optimization solves module, for limiting described fully-loaded stream flood by stages
Water level Model for Multi-Objective Optimization solves；
Fully-loaded stream flood regulation by level and stages control strategy output module, is used for exporting flood regulation by level and stages prioritization scheme and flood thereof
Water resource increases storage capacity.
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| CN110717838A (en) * | 2019-09-06 | 2020-01-21 | 四川大学 | Multi-target scheduling evaluation system index construction and grade division method for cascade power station |
| CN111539153A (en) * | 2020-04-07 | 2020-08-14 | 长江水利委员会长江科学院 | Water and sand combined optimization scheduling method based on pre-constructed sediment information base |
| CN111539153B (en) * | 2020-04-07 | 2023-12-08 | 长江水利委员会长江科学院 | Water-sand joint optimization scheduling method based on preconfigured sediment information base |
| CN111967157A (en) * | 2020-08-14 | 2020-11-20 | 中国水利水电科学研究院 | Reservoir group water and sand optimization scheduling method and system considering staged multi-objective function |
| CN111967157B (en) * | 2020-08-14 | 2023-10-20 | 中国水利水电科学研究院 | Reservoir group water and sand optimal scheduling method and system considering staged multiple objective functions |
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| CN112418491B (en) * | 2020-11-06 | 2021-08-03 | 黄河勘测规划设计研究院有限公司 | Dynamic configuration method for residual sediment storage capacity of reservoir |
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| CN113609657B (en) * | 2021-07-19 | 2024-01-23 | 湖北省水利水电规划勘测设计院 | Method for determining lake stage scheduling water level based on urban flood model |
| CN116911496A (en) * | 2023-07-13 | 2023-10-20 | 长江水利委员会水文局长江上游水文水资源勘测局 | Water level flow relation determination method under influence of multiple factors |
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