The performance of the Shewhart-RZ control chart in the presence of measurement error

K.P. Tran, P. Castagliola and G. Celano

International Journal of Production Research, 2016, vol. 54, issue 24, 7504-7522

Abstract: Recent literature about quality control has investigated the continuous surveillance of the ratio of two normal random variables under the assumption of no measurement error. However, in practice, measurement errors always exist in quality control applications and may considerably affect the performance of control charts. In this paper, the performance of the Shewhart-RZ control chart is investigated in the presence of a measurement error and modelled by a linear covariate error model. Several figures and tables are generated and commented to show the statistical performance of the Shewhart-RZ control chart for different sources of the measurement error. Two examples illustrate the use of this chart on a quality control problem simulated from the food industry and a real industrial case from a plant treating batteries for recyclement.

Date: 2016
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Citations: View citations in EconPapers (2)

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DOI: 10.1080/00207543.2016.1198507

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