Gis analysis method and system for automatic optimization of axis of pumped storage power station dam

By automatically generating dam axis schemes with the shortest dam length through a GIS analysis system, the problem of dam site selection that relies on experience in traditional methods has been solved, thus improving the scientific and economic efficiency of project investment.

CN122413632APending Publication Date: 2026-07-17STATE GRID XINYUAN +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
STATE GRID XINYUAN
Filing Date
2026-04-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional methods for dam site selection and dam axis determination rely on engineers' experience, are highly subjective, and are difficult to conduct large-scale systematic comparisons. Furthermore, existing tools fail to use the dam axis length as an optimization target, resulting in high project investment risks.

Method used

By constructing a system that automatically extracts terrain features, intelligently lays out potential dam sites, and automatically generates multi-axis schemes, and using a GIS analysis system with the 'shortest dam length' as ​​the sole quantitative optimization objective, the system achieves fully automated decision-making and generates the most economical dam axis scheme.

Benefits of technology

This significantly improves the scientific rigor and efficiency of dam site selection, reduces initial investment risks, and ensures the economic viability and rationality of the plan.

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Abstract

本发明公开了一种用于抽水蓄能电站坝轴线自动优化的GIS分析方法及系统,根据规划范围,获取抽水蓄能电站预选区域的数字高程模型数据;自动将汇流累积量高于汇流累积量阈值的栅格连接,生成连续的河沟网络线;基于河沟网络线,以固定间隔,自动插值布设候选坝点;计算候选坝点P所在河沟网络线的前后相邻候选坝点A和B的向量与向量的夹角,根据夹角确定坝轴线初始方向,并多方向扫描,生成每一个候选坝点的初拟坝轴线;基于最短坝长从候选坝点P的初拟坝轴线中筛选出初拟坝点和每个初拟坝点对应的推荐坝轴线;最后结合预设的经济性阈值,从初拟坝点中筛选出最终坝长小于等于预设经济性阈值的推荐坝点。
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