Fault detection and diagnosis, FDD via improved univariate statistical process control charts, USPC

A new approach for detecting and diagnosing fault via correlation technique is introduced in this study. The correlation coefficient is determined using multivariate analysis technique, Partial Correlation Analysis (PCorrA). Individual charting technique such as Shewhart, Exponential Weight Moving A...

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Bibliographic Details
Main Authors: Harun, Noorlisa, Ibrahim, Kamarul Asri
Format: Conference or Workshop Item
Language:English
Published: 2004
Subjects:
Online Access:http://eprints.utm.my/5943/1/NoorlisaHarun2004_FaultDetectionAndDiagnosisFDD.pdf
Description
Summary:A new approach for detecting and diagnosing fault via correlation technique is introduced in this study. The correlation coefficient is determined using multivariate analysis technique, Partial Correlation Analysis (PCorrA). Individual charting technique such as Shewhart, Exponential Weight Moving Average (EWMA), and Moving Average and Moving Range (MAMR) charts are a used to facilitate the Fault Detection and Diagnosis (FDD). A precut multi component distillation is used as the case study in this work. Based on the result from this study Shewhart control chart gives the best performance with the highest FDD efficiency.