A new variables control chart for simultaneously monitoring multivariate process mean and variability

Arthur B. Yeh, Dennis K.J. Lin

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

In this paper, we propose a new variables control chart, called the box-chart, to simultaneously monitor, on a single chart, the process mean and process variability for multivariate processes. The box-chart uses a probability integral transformation to obtain two independently and identically distributed uniform distributions. Therefore, a box-shaped (thus the name), two-dimensional control chart can be constructed. We discuss in detail on how to construct the box-chart. The proposed chart is applied to two real-life examples. The performance of the box-chart is also compared to that of the traditional T 2 - and |S|-charts.

Original languageEnglish (US)
Pages (from-to)41-59
Number of pages19
JournalInternational Journal of Reliability, Quality and Safety Engineering
Volume9
Issue number1
DOIs
StatePublished - Mar 1 2002

Fingerprint

Process Mean
Control Charts
Chart
Monitoring
Integral Transformation
Control charts
Uniform distribution
Identically distributed
Monitor

All Science Journal Classification (ASJC) codes

  • Industrial and Manufacturing Engineering
  • Safety, Risk, Reliability and Quality
  • Applied Mathematics

Cite this

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