Control charts for monitoring process capability index using median absolute deviation for some popular distributions
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Date
2019
Journal Title
Journal ISSN
Volume Title
Publisher
Multidisciplinary Digital Publishing Institute
Abstract
A control chart monitoring the process capability index (PCI) using median absolute deviation (MAD) is proposed to analyze the industrial process performance. Extensive simulation studies were carried out to evaluate the performance of MAD-based PCI control charts under the low, moderate, and high asymmetric conditions when the process characteristic follows Weibull, log-normal, and gamma distributions. The performance of the proposed control charts was evaluated based on the average run lengths. The practical implementation of the proposed charts was also illustrated with industrial data.
Description
Abstract. Full text article available at https://doi.org/10.3390/pr7050287
Keywords
Process Capability Index, PCI, Median Absolute Deviation, MAD, Control chart, Average run length, Non-normal distribution
Citation
Aslam, M., Rao, G. S., AL-Marshadi, A. H., Ahmad, L., & Jun, C. H. (2019). Control charts for monitoring process capability index using median absolute deviation for some popular distributions. Processes, 7(5), 287.