基于点云数据的城镇防涝体系优化方法及系统

By using a point cloud-based method to optimize urban flood control systems, a three-dimensional hydrodynamic model was constructed using laser point cloud data and semantic maps. This solved the accuracy and reliability issues of flood control systems under complex terrain and achieved high-precision drainage optimization.

CN122088388BActive Publication Date: 2026-07-17NORTHWEST ENGINEERING CORPORATION LIMITED +1
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Patent Information

Application Number
CN202610544648.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2026-04-23
Publication Date
2026-07-17
Estimated Expiration
2046-04-23

AI Technical Summary

Technical Problem

Existing urban flood control systems struggle to accurately identify drainage anomalies and structural failure risks under complex terrain and diverse rainfall scenarios, resulting in insufficient input accuracy and poor analysis reliability of flood control system models.

Method used

By acquiring laser point cloud data, filtering and feature extraction are performed to generate point cloud terrain feature data. Combined with flood control semantic map, a semantic mapping relationship between structure type and hydraulic structure is established, a three-dimensional hydrodynamic model is constructed, water flow calculation is performed, and drainage strategy is optimized.

Benefits of technology

It improves the data accuracy and analytical reliability of the urban flood control system optimization process, ensures the numerical accuracy and stability of water flow calculation, identifies drainage obstruction areas, and optimizes flood control structures.

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Abstract

本公开提供了一种基于点云数据的城镇防涝体系优化方法及系统,涉及数据处理技术领域。该方法包括:获取目标城镇区域的激光点云数据,并对激光点云数据进行滤波与特征提取处理,生成点云地形特征数据;提取防涝构筑物的结构形态数据与材料属性数据;在防涝语义图谱中建立构筑物类型与水力结构数据的语义映射关系,并将语义映射关系与点云地形特征数据进行数据关联;利用防涝语义图谱提供的水力结构数据生成三维水动力模型;利用三维水动力模型对不同降雨情景进行水流演算,生成用于防涝体系结构优化的水动力仿真数据;结合防涝语义图谱确定排水受阻区的防涝构筑物的优化策略。本方案能够提升城镇防涝体系的建模精度与优化可靠性。
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Citation Information

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