水庫適應(yīng)性調(diào)度方法研究
[Abstract]:Reservoir operation is to use the ability of reservoir regulation and storage, under the premise of ensuring the safety of dam body, to store and drain the natural flood and runoff upstream of the reservoir, so as to achieve profit and eliminate damage and make comprehensive use of water resources. The purpose of meeting the needs of various departments of the national economy. The quality of reservoir operation not only affects the safety of dam and downstream people, but also affects the economic and social benefits produced in the process of reservoir storage and discharge. At present, optimal operation has become a hot research direction of reservoir operation, and there are a hundred flowers blooming research results in this field, but its optimization model is complex, the amount of data acquisition is large, and the calculation parameters are complex and changeable. The optimal scheduling scheme is difficult to be widely used in scheduling practice. According to the calculation method of equal flow regulation, which is the most commonly used method in the process of reservoir operation calculation, this paper puts forward the dynamic adaptive reservoir operation method, and constructs a more general dynamic adaptive operation method combined with the knowledge visualization integrated platform. The purpose of the evaluation management system is to quickly calculate and generate the dispatching scheme by means of computer and visualization, and to provide scientific and reasonable help and guidance to the reservoir dispatching decision makers. The main contents and achievements of this paper are as follows: (1) dynamic adaptive scheduling method. Based on the conventional equal flow regulation calculation method, the shortcomings are analyzed, and the adaptive reservoir operation method is put forward. Its adaptability is mainly reflected in: adapt to different adjustment cycles, adapt to different incoming water processes, adapt to different supply and demand processes, adapt to other constraints such as ecological water use, The real-time dynamic correction and manual adjustment of the scheduling scheme can be carried out. (2) the evaluation and optimization of the scheduling scheme. The index system of reservoir operation scheme evaluation is systematically studied, and the evaluation weight is determined by analytic hierarchy process (AHP) and entropy weight method, and the set pair analysis method and fuzzy optimization method are used. Three evaluation methods of grey relational analysis are used to evaluate and optimize the scheduling scheme. (3) dynamic adaptive scheduling, evaluation management system research and application. Based on the integrated platform of knowledge visualization and integration, through an example simulation, the dispatching scheme of the general reservoir is quickly calculated and generated under all kinds of water constraints in the dispatching process, and the scheme can be manually adjusted. The results are shown in the form of graphs and tables. The process can be trusted and has strong generality. The multi-method comprehensive evaluation of multiple dispatching schemes and the combined evaluation of multi-evaluation results provide a decision-making, negotiation and efficient and operable integrated system for reservoir operation process.
【學(xué)位授予單位】:西安理工大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:TV697.1
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