A Time Truncated Moving Average Chart for the Weibull Distribution | Zendy

Saeed Ahmad Dobbah Alghamdi | Zendy; Muhammad Aslam | Zendy; Khushnoor Khan | Zendy; Chi-Hyuck Jun | Zendy

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A Time Truncated Moving Average Chart for the Weibull Distribution

Author(s) -

Saeed Ahmad Dobbah Alghamdi,

Muhammad Aslam,

Khushnoor Khan,

Chi-Hyuck Jun

Publication year - 2017

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2017.2697040

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

A control chart of monitoring the number of failures is proposed with a moving average scheme, when the life of an item follows a Weibull distribution. A specified number of items are put on a time truncated life test and the number of failures is observed. The proposed control chart has been evaluated by the average run lengths (ARLs) under different parameter settings. The control constant and the test time multiplier are to be determined by considering the in-control ARL. It is observed that the proposed control chart is more efficient in detecting a shift in the process as compared with the existing time truncated control chart.

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