基于季节性分解与长短期记忆网络的水质动态预警

许博文; 毕敬; 苑海涛; 王功明; 乔俊飞

doi:10.11959/j.issn.2096-6652.202145

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基于季节性分解与长短期记忆网络的水质动态预警

学术论文 | 更新时间：2024-06-05

- 基于季节性分解与长短期记忆网络的水质动态预警
- Dynamic water quality warning with seasonal decomposition and long short-term memory network
- 智能科学与技术学报 2021年3卷第4期页码：456-465
- 作者机构：
  
  1. 北京工业大学信息学部，北京100124
  2. 北京航空航天大学自动化科学与电气工程学院，北京100191
- 作者简介：
  
  [ "许博文（1996- ），男，北京工业大学信息学部硕士生，主要研究方向为异常检测、水质预警等" ]
  [ "毕敬（1979- ），女，博士，北京工业大学信息学部副教授、博士生导师，主要研究方向为时空大数据特征建模与分析、计算智能、深度学习、数据中心节能等" ]
  [ "苑海涛（1986- ），男，博士，北京航空航天大学自动化科学与电气工程学院副教授，IEEE高级会员，现任中国体视学学会理事。主要研究方向为云计算、边缘计算、数据中心、深度学习、智能优化、时间序列特征建模与预测等" ]
  [ "王功明（1987- ），男，博士，北京工业大学信息学部助理研究员，主要研究方向为污水处理过程特征建模与水质预测、神经自组织结构设计与优化、离散事件动态系统安全策略优化等" ]
  [ "乔俊飞（1968- ），男，博士，北京工业大学信息学部教授、博士生导师，主要研究方向为智能计算、自组织控制以及污水处理过程优化运行控制等" ]
- 基金信息：
  
  水体污染控制与治理科技重大专项基金资助项目;The Major Science and Technology Program for Water Pollution Control and Treatment of China(2018ZX07111005);国家自然科学基金资助项目;The National Natural Science Foundation of China(61802015);国家自然科学基金资助项目;The National Natural Science Foundation of China(62073005);国家自然科学基金资助项目;The National Natural Science Foundation of China(62173013)
- DOI：10.11959/j.issn.2096-6652.202145
  中图分类号： TP399
- 网络出版日期：2021-12，
  
  纸质出版日期：2021-12-15
- 稿件说明：
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许博文, 毕敬, 苑海涛, 等. 基于季节性分解与长短期记忆网络的水质动态预警[J]. 智能科学与技术学报, 2021,3(4):456-465.

Bowen XU, Jing BI, Haitao YUAN, et al. Dynamic water quality warning with seasonal decomposition and long short-term memory network[J]. Chinese journal of intelligent science and technology, 2021, 3(4): 456-465.
许博文, 毕敬, 苑海涛, 等. 基于季节性分解与长短期记忆网络的水质动态预警[J]. 智能科学与技术学报, 2021,3(4):456-465. DOI： 10.11959/j.issn.2096-6652.202145.

Bowen XU, Jing BI, Haitao YUAN, et al. Dynamic water quality warning with seasonal decomposition and long short-term memory network[J]. Chinese journal of intelligent science and technology, 2021, 3(4): 456-465. DOI： 10.11959/j.issn.2096-6652.202145.

摘要

随着地表水水质恶化日益严重，有效的水质预警预测技术对于水资源的可持续发展与应急响应机制实施至关重要。长短期记忆网络在水质时间序列预测问题中被广泛使用，但是仅使用长短期记忆网络进行水质预测并不能解决各种复杂因素造成的水质序列的不规则波动问题。为了解决该问题，提出一种数据驱动的水质预测混合模型，该模型将基于局部加权回归散点平滑（Loess）的季节与趋势分解（STL）算法与基于编解码的长短期记忆网络（LSTM-ED）结合。首先通过STL的加法模型将水质时间序列分解为3个子序列，然后利用多元LSTM-ED神经网络对子序列进行预测，通过叠加将数据恢复为实际值，最后通过季节性分段的拉依达准则进一步判断水质是否存在异常并做出预警。实验结果表明，与单一的LSTM、LSTM-ED以及基于序列分解的LSTM-ED模型相比，所提出的模型能显著地提高水质时间序列预测的精度和可靠性，并为水质动态预警提供有效的数据支持。

Abstract

Surface water quality is increasingly deteriorated in recent years

and therefore

high-quality early warning and prediction of water quality are essential for sustainability of water resources and emergency response mechanisms.Long short-term memory (LSTM) network is widely applied in the existing literature on the prediction of water quality time series.However

only applying LSTM for the prediction of water quality time series cannot well address irregular fluctuations in the water quality series caused by multiple complex factors.To solve this problem

a data-driven prediction model for the water quality time series was proposed

named STL-LSTM-ED

which was composed of seasonal-trend decomposition using locally weighted scatterplot smoothing (STL) and LSTM based on encoder-decoder (LSTM-ED).Compared with several typical models of LSTM

LSTM-ED

and a sequence decomposition method based on LSTM

the proposed STL-LSTM-ED can significantly improve the prediction accuracy and reliability of the water quality time series

and also provide the effective data support for dynamic warning of water quality.

关键词

Keywords

references

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