"The effects of changes in covariance structure to the performance of the Hotelling's T2 and M control chart"

Wibowo, Riyanto (2004) "The effects of changes in covariance structure to the performance of the Hotelling's T2 and M control chart". Undergraduate thesis, Widya Mandala Catholic University Surabaya.

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Abstract

Multivariate control chart is used for control several related characteristics simultaneously. Since the covariance structure measures the linier association between two characteristics, multivariate control procedures should consider the covariance structures among the controlled characteristics. One of the persistent problems In multivariate control chart procedures is the interpretation of out of control signal, that is, to interpret which characteristic(s) responsible for the signal. This thesis analyzes the effects of changes in covariance structure to the performance of Hotelling's T2 and M control charts, with theirs interpretation methods respectively. The simulation results show that the performance of Hotelling's T2 control chart is affected by the changes in covariance structure, while the performance of M control chart is not. The simulation results also show that the performance of Hotelling's T2 control chart is better than the performance of M control chart.

Item Type: Thesis (Undergraduate)
Subjects: Engineering
Engineering > Industrial Engineering
Divisions: Faculty of Engineering > Industrial Engineering Study Program
Depositing User: Tri Saptati
Date Deposited: 11 Mar 2016 02:54
Last Modified: 11 Mar 2016 02:54
URI: http://repository.wima.ac.id/id/eprint/6177

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