Research of Air Pollutant Concentration Forecasting Based on Deep Learning Algorithms

3rd International Symposium on Resource Exploration and Environmental Science

生态环境科学

Pan, Yongming^1 ; Wang, Yajie^1 ; Lai, Mingzhao^1

Tianjin University of Technology, Tianjin, China^1

关键词: Air pollutant concentrations;    Air pollutants;    Different frequency;    High dimensional data;    High-dimensional;    Optimal predictions;    Pollutant concentration;    Prediction model;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/300/3/032090/pdf
DOI  :  10.1088/1755-1315/300/3/032090

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

In order to accurately predict the concentration of air pollutants in Shanghai, a prediction model of the concentration of air pollutants in Shanghai based on Wavelet Transform and Long Short-Term Memory (LSTM) was established to predict the concentration of six air pollutants in Shanghai. Firstly, the historical time series of daily air pollutant concentration is decomposed into different frequencies by wavelet decomposition transform and recombined into a set of high-dimensional training data. Secondly, LSTM prediction model is trained with high-dimensional data sets, and parameters are adjusted repeatedly to obtain the optimal prediction model. The results show that the combined model is more accurate than the traditional LSTM model in predicting pollutant concentration.