Adaptive control charts for attributes
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Resumo
We develop a general model for adaptive c, np, u and p control charts in which one, two or three design parameters (sample size, sampling interval and control limit width) switch between two values, according to the most recent process information. For a given in-control average sampling rate and a given false alarm rate, the adaptive chart detects changes in the process much faster than a chart with fixed parameters. Moreover, this study also offers general guidance on how to choose an effective design.
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Mathematical models, Parameter estimation, Process engineering, Sampling, Systems analysis, Standard deviations, Adaptive control systems
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Inglês
Citação
IIE Transactions (Institute of Industrial Engineers), v. 35, n. 6, p. 567-582, 2003.
