Activity Number:
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184
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Type:
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Contributed
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Date/Time:
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Tuesday, August 13, 2002 : 8:30 AM to 10:20 AM
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Sponsor:
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Section on Quality & Productivity*
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Abstract - #302029 |
Title:
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Shewhart Charts for Type II Censored Weibull and log-Normal Data
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Author(s):
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Julie Buckel*+
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Affiliation(s):
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Internal Revenue Service
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Address:
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1614 W. Eldridge Ave. #9, Roseville, MN, 55113, USA
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Keywords:
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log-Normal ; Weibull ; Generalized Least Squares ; Shewhart chart ; Type II censoring
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Abstract:
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Quality control charts are potentially useful in monitoring processes that produce measurements which are lifetimes of manufactured items, or which follow typical lifetime distributions such as the Weibull or log-Normal. Such readings may be subject to censoring, due to time or laboratory instrumentation constraints. This paper presents a Shewhart charting method for Type II censored data from Weibull or log-Normal distributions that is based on Generalized Least Squares estimates.
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