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Reservoir optimization scheduling method considering the correlation and randomness of water supply and demand process

A technology for optimizing scheduling and relevance, applied in resources, data processing applications, forecasting, etc.

Active Publication Date: 2022-07-29
XIAN UNIV OF TECH
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Problems solved by technology

[0005] The purpose of the present invention is to provide a reservoir optimization scheduling method that considers the relevance and randomness of the water supply and demand process, and solve the problem of relevance and randomness of the two-dimensional process of natural runoff entering the reservoir and agricultural irrigation water in the water supply scheduling of the reservoir

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  • Reservoir optimization scheduling method considering the correlation and randomness of water supply and demand process
  • Reservoir optimization scheduling method considering the correlation and randomness of water supply and demand process
  • Reservoir optimization scheduling method considering the correlation and randomness of water supply and demand process

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Embodiment Construction

[0039] The method for optimizing and dispatching a reservoir in consideration of the correlation and randomness of the water supply and demand process of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0040] The specific steps for applying the reservoir optimal scheduling method considering the correlation and randomness of the water supply and demand process to the reservoir optimal scheduling model considering and not considering the multidimensional variables of runoff and water demand are as follows:

[0041] Step 1. Establish a reservoir optimization scheduling model, determine the optimization objective, and the constraints include water balance constraints, reservoir water level constraints, flow constraints and variable non-negative constraints.

[0042] (1) Water balance constraints

[0043]

[0044] (2) Water level constraints

[0045]

[0046] (3) Flow constraints

[004...

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Abstract

The invention discloses a reservoir optimization scheduling method considering the correlation and randomness of water supply and demand process. The one-dimensional random process of runoff or water demand is analyzed from two aspects: the randomness of the random variables and the correlation of variables between adjacent time periods, and the state transition probability matrix is ​​used to characterize the correlation characteristics between different states of the two random variables; Step 3: Analyze the runoff and water demand Correlation and randomness of multi-dimensional processes; Step 4: Realize a stochastic dynamic programming method oriented to the correlation and randomness of multi-dimensional processes. The invention takes the randomness and correlation of the two-dimensional process of water supply and demand into consideration, and carries out the optimization and scheduling of the stochastic reservoir, which can effectively solve the problem of the correlation and randomness of the water resources supply and demand process in the water supply scheduling of the reservoir.

Description

technical field [0001] The invention belongs to the technical field of water conservancy engineering, and particularly relates to a reservoir optimization scheduling method considering the correlation and randomness of the supply and demand process of water resources. Background technique [0002] As the core non-engineering measure for reservoir control, reservoir revitalization dispatch aims to solve deterministic or stochastic optimization using optimization methods on the premise of ensuring the safety of reservoir engineering and downstream flood control objects according to reservoir development tasks and comprehensive utilization requirements. Scheduling model, formulate reservoir storage and discharge rules, meet the water demand of various water-using departments to the maximum extent, and achieve a high degree of matching between the supply process and the demand process of water resources. [0003] As one of the methods to solve the medium and long-term stochastic...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/06312G06Q50/06
Inventor 郭爱军畅建霞王义民吴彬梁艺缤
Owner XIAN UNIV OF TECH
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