Multivariate control charts for process dispersion

J. Surtihadi, M. Raghavachari, George Runger

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

The multivariate extension of control charts for process dispersion is not as straightforward as that for the process mean. A general model and techniques that would encompass a wide range of problems encountered in practice is not available. In most cases, particular problems need to be handled in a specific manner. In this paper we consider several special cases of a process displacement affecting the covariance matrix and we develop control charts (both Shewhart-type and CUSUM) to detect these process changes.

Original languageEnglish (US)
Pages (from-to)2993-3009
Number of pages17
JournalInternational Journal of Production Research
Volume42
Issue number15
DOIs
StatePublished - Aug 1 2004

ASJC Scopus subject areas

  • Strategy and Management
  • Management Science and Operations Research
  • Industrial and Manufacturing Engineering

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