Atmospheric Pollutant Concentration Prediction Based on KPCA BP
Journal: International Journal of Trend in Scientific Research and Development (Vol.6, No. 5)Publication Date: 2022-09-06
Authors : Xin Lin Bo Wang Wenjing Ai;
Page : 2008-2016
Keywords : KPCA; prediction of atmospheric pollutants; BP neural network; PCA;
Abstract
PM2.5 prediction research has important significance for improving human health and atmospheric environmental quality, etc. This paper uses a model combining nuclear principal component analysis method and neural network to study the prediction problem of meteorological pollutant concentration, and compares the experimental results with the prediction results of the original neural network and the principal component analysis neural network. Based on the O3, CO, PM10, SO2, NO2 concentrations and parallel meteorological conditions data of Beijing from 2016 to 2020, the PM2.5 concentration was predicted. First, reduce the latitude of the data, and then use the KPCA BP neural network algorithm for training. The results show that the average absolute error, root mean square error and expected variance score of the combined model are relatively good, the generalization ability is strong, and the extreme value prediction is the best, which is better than that of the single model. Xin Lin | Bo Wang | Wenjing Ai "Atmospheric Pollutant Concentration Prediction Based on KPCA-BP" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-6 | Issue-5 , August 2022, URL: https://www.ijtsrd.com/papers/ijtsrd51746.pdf Paper URL: https://www.ijtsrd.com/engineering/environment-engineering/51746/atmospheric-pollutant-concentration-prediction-based-on-kpcabp/xin-lin
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Last modified: 2022-09-06 20:47:33