Average Run Lengths for Exponentially Weighted Moving Average Control Schemes Using the Markov Chain Approach

Article

Saccucci, Michael S.; Lucas, James M.   (1990, ASQC)   Drexel University, Philadelphia, PA; E.I. du Pont de Nemours and Company, Newark, DE

Journal of Quality Technology    Vol. 22    No. 2
QICID: 11301    April 1990    pp. 154-162
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Article Abstract

A FORTRAN computer program is given for the computation of average run lengths (ARLs) for exponentially weighted moving average (EWMA) and combined Shewhart-EWMA control schemes. The program calculates zero-state and steady-state ARLs using the Markov chain approximation.

Keywords

Average run length (ARL),Exponentially weighted moving average control charts (EWMA),Markov chains,Control systems


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