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Multivariate Max-Chart

  • Keoagile Thaga and Lesego Gabaitiri
Published/Copyright: March 15, 2010
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Stochastics and Quality Control
From the journal Volume 21 Issue 1

Abstract

A single control chart called Multivariate Maximum Control Chart (Max-Mchart) is proposed in this article that is capable of monitoring the process, with the quality of an item being determined by several correlated quality characteristics. This scheme simultaneously monitors the process location and process spread using only one chart. The chart quickly detects both small and large shifts in the process parameters and indicates the parameter that has shifted. Compared with other recently proposed single multivariate control charts, this chart quickly detects small shifts in the process mean and is also simple to use, as it applies the well known Shewhart control charts procedures to compute the average run lengths.

Published Online: 2010-03-15
Published in Print: 2006-April

© Heldermann Verlag

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