Intelligent prediction method for groundwater fluorine pollution based on evolutionary algorithm driving

By using an evolutionary algorithm-driven feature subspace ensemble learning model, which automatically optimizes feature subsets and combines them with multiple base learners, the accuracy and stability issues of groundwater fluoride pollution prediction in complex environments are solved, achieving efficient feature utilization and improved prediction accuracy.

CN122414451APending Publication Date: 2026-07-17SICHUAN ACAD OF GRASSLAND SCI

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SICHUAN ACAD OF GRASSLAND SCI
Filing Date
2026-04-03
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies struggle to effectively utilize multidimensional environmental factor information in complex environments to achieve high-precision and robust prediction of groundwater fluoride pollution. Furthermore, feature selection relies on human experience, and ensemble learning methods lack targeted optimization capabilities.

Method used

An evolutionary algorithm-driven feature subspace ensemble learning model is adopted. Through population initialization, fitness evaluation, selection, crossover, mutation and elite retention operations, the feature subset is automatically optimized and combined with multiple base learners for ensemble prediction.

Benefits of technology

It achieves efficient automatic feature selection, improves the model's generalization ability and stability, enhances the accuracy and robustness of groundwater fluoride pollution prediction, and reduces reliance on human experience.

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Abstract

本发明公开了基于进化算法驱动的地下水氟污染智能预测方法,涉及地下水环境监测与机器学习技术领域。通过获取待预测区域多维环境评价因子及对应氟化物浓度数据,经缺失值填补、特征标准化与数据集划分后,构建进化特征子空间集成学习模型;模型以进化算法为驱动,依次执行种群初始化、适应度评估、选择、交叉、变异及精英保留迭代操作,自动筛选最优特征子集;基于最优特征子集训练多个基学习器并加权集成,得到高精度预测模型,进而实现地下水氟污染风险预测与空间分布输出。本发明适用于青藏高原等地质条件复杂、监测样本稀缺的区域,通过进化算法实现高维环境特征自适应优化筛选,摆脱人工经验依赖,提升特征利用效率与模型泛化能力。
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