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Circle chart for monitoring of periodic measurements

M. Xie, T. N. Goh, P. P. Deng

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Abstract

    Measurements with a periodicity are common in practice but there have been no specific monitoring control techniques for them. In this paper, we propose a type of control chart that plots measurements around a circle so that information from the same stage of different cycles can be readily compared. Some basic properties of such charts are investigated, and further developments are discussed. The basic circle chart can be applied under various kinds of control chart schemes, and there is potential for further development. Some application examples are also shown in this paper. Copyright © 2012 John Wiley & Sons, Ltd.
    Original languageEnglish
    Pages (from-to)943-948
    JournalQuality and Reliability Engineering International
    Volume28
    Issue number8
    DOIs
    Publication statusPublished - Dec 2012

    Research Keywords

    • circle chart
    • inner control limit
    • outer control limit
    • periodicity
    • process monitoring

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