1887

n South African Journal of Industrial Engineering - Variable sampling rate Hotelling's 2 control chart with runs rules

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Abstract

This study investigates the properties of the variable sampling rate Hotelling's 2 chart with runs rules. The average time to signal checking of the control chart is derived using a Markov chain approach. Numerical comparisons show that the variable sampling rate Hotelling's 2 chart with runs rules performs better than the variable sampling rate Hotelling's 2 chart without runs rules for small and moderate process mean shifts.

Dié studie ondersoek die eienskappe van Hotelling se 2-grafiek met veranderlike proefnemingstempo en lopiereëls. Die gemiddelde tyd wat aandui wanneer om die kontrolekaart te ondersoek, word afgelei deur van 'n Markovkettingbenadering gebruik te maak. Numeriese vergelykings wys dat Hotelling se 2-grafiek met veranderlike proefnemingstempo en lopiereëls beter presteer as Hotelling se 2-grafiek met veranderlike proefnemingstempo sonder lopiereëls vir klein en matige prosesveranderings.

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/content/indeng/23/1/EJC121096
2012-05-01
2016-12-06
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