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The purpose of this study was to develop a predictive monitoring and diagnosis system for the air pollutants in a subway system using a lifting technique with a multiway principal component analysis (MPCA) which monitors the periodic patterns of the air pollutants and diagnoses the sources of the contamination. The basic purpose of this lifting technique was to capture the multivariate and periodic...
To control the quality of air pollutants, several key air pollutants are measured and monitored offline and also online by tele-monitoring (TMS) system which is built for the management of air quality. Until now, most of the monitoring methods has been used in an univariate approach which measures and monitors a single pollutant, such as particular matter (PM2.5 or PM10). Since it has a correlation...
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