In 1973, Goel and Wu presented an algorithm for the economic design of cusum charts to control the mean of a process with a normally distributed quality characteristic. They employed the two‐dimensional pattern search technique to determine the optimal values of the sample size, the sampling interval and the decision limit. Proposes a search algorithm required to use the one‐dimensional pattern search technique to get the optimal values of design parameters instead of the two‐dimensional pattern search technique. So, our search algorithm is not only accurate and efficient but also simpler to solve than that of Goel and Wu.
Chung, K. (1992), "Economically Optimal Determination of the Parameters of Cusum Charts", International Journal of Quality & Reliability Management, Vol. 9 No. 6. https://doi.org/10.1108/02656719210018561
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