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Article Dans Une Revue Quality Engineering Année : 2023

An exponentially weighted moving average control chart based on signed ranks for finite horizon processes

Résumé

Distribution-free control charts are an efficient quality monitoring tool to inspect lots of parts manufactured within a finite production horizon. In this work, the performance of the Exponentially Weighted Moving Average chart based on the Wilcoxon signed rank statistic is investigated for on-line monitoring of finite production runs. The chart's on-target performance is evaluated through a specific non-homogeneous Markov chain model under different process scenarios. A numerical analysis is conducted for determining its optimal design and a performance comparison with other available schemes is presented for different symmetric distributions of observations. Finally, an illustrative example is presented to show a practical implementation of the investigated chart.
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Dates et versions

hal-04061753 , version 1 (07-04-2023)

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Theodoros Perdikis, Giovanni Celano, Stelios Psarakis, Philippe Castagliola. An exponentially weighted moving average control chart based on signed ranks for finite horizon processes. Quality Engineering, 2023, 35 (2), pp.290-303. ⟨10.1080/08982112.2022.2125815⟩. ⟨hal-04061753⟩
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