Artículo
Using Multivariate Principal Component Analysis of Injected Water Flows to Detect Anomalous Behaviors in a Water Supply System. A Case Study.
Autor(es)
Palau C.V., Francisco Arregui de la Cruz, Ferrer A.
Año de publicación
2003
Congreso
Efficient 2003
Lugar de celebración
Tenerife, España
Fecha
22 a 25 de Abril
Resumen
The amount of data collected by the SCADA of an urban water supply system is sometimes difficult to process. A multivariate statistical technique, Principal Component Analysis (PCA) is presented in this paper, which processes this data, simplifying and synthesizing the most significant information. This technique extracts new variables, principal components (PC), that explain the behaviour of injected flow. Multivariate control charts to detect outliers show higher sensitivity than those generated with traditional univariate statistical methods.
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