Economic Model for Variable Parameters MEWMA Control Chart

Name: Aoumfar Nakto

keyword: MEWMA Control Chart

Abstract: The objectives of this research are to develop an economic model for a Multivariate Exponentially Weighted Moving Average (MEWMA) control chart and Semi-Circle MEWMA control chart. Variable parameters are the small sample size, the large sample size, the short sampling interval, the long sampling interval, the warning limit and the action limit. The genetic algorithm (GA) is used to examine the design parameters and to minimize the expected hourly loss. Furthermore, the effects of model parameters on the optimal design of MEWMA control chart and Semi-Circle MEWMA control chart with variable parameters have been studied by sensitivity analysis. The results show that the expected hourly loss of MEWMA control chart is minimum, the short sampling interval and the long sampling interval ofMEWMA control chart are less than those of Semi-Circle MEWMA control charts. The small sample size and the large sample size of MEWMA control chart are greater than those of Semi-Circle MEWMA control charts.

King Mongkut's University of Technology Thonburi. KMUTT Library

Address: BANGKOK

Email: info.lib@mail.kmutt.ac.th

Name: Adisak Pongpullponsak

Role: Advisor

Created: 2010

Modified: 2012-03-28

Issued: 2012-03-22

วิทยานิพนธ์/Thesis

application/pdf

CallNumber: MTH417

eng

DegreeName: Doctor of Philosophy

Level: Doctoral Degree

Descipline: Mathematics

Grantor: King Mongkut's University of Technology Thonburi

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2	MTH417ab.pdf	15.18 KB	12	2019-12-17 19:37:32

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