Self-starting methods in Bayesian statistical process control and monitoring

Abstract

In this dissertation, the center of attention is in the research area of Bayesian Statistical Process Control and Monitoring (SPC/M) with emphasis in developing self-starting methods for short horizon data. The aim is in detecting a process disorder as soon as it occurs, controlling the false alarm rate, and providing reliable posterior inference for the unknown parameters. Initially, we will present two general classes of methods for detecting parameter shifts for data that belong to the regular exponential family. The first, named Predictive Control Chart (PCC), focuses on transient shifts (outliers) and the second, named Predictive Ratio CUSUM (PRC), in persistent shifts. In addition, we present an online change point scheme available for both univariate or multivariate data, named Self-starting Shiryaev (3S). It is a generalization of the well-known Shiryaev's procedure, which will utilize the cumulative posterior probability that a change point has been occurred. An extensive simu ...
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DOI
10.12681/eadd/50489
Handle URL
http://hdl.handle.net/10442/hedi/50489
ND
50489
Alternative title
Αυτοεκκινούμενες μέθοδοι στον Μπεϋζιανό στατιστικό έλεγχο διεργασιών και παρακολούθησης
Author
Bourazas, Konstantinos (Father's name: Nikolaos)
Date
2021
Degree Grantor
Athens University Economics and Business (AUEB)
Committee members
Τσιαμυρτζής Παναγιώτης
Ντζούφρας Ιωάννης
Δεμίρης Νικόλαος
Ψαράκης Στυλιανός
Capizzi Giovanna
Colosimo Bianca Maria
Chakraborti Subha
Discipline
Natural SciencesMathematics ➨ Statistics and Probability
Keywords
Statistical process control; Bayesian statistics; Change point models; Sequential analysis; Directional statistics
Country
Greece
Language
English
Description
im., tbls., maps, fig., ch.
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