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Best compromise test plans for weibull distributions with different censoring times
Author(s) -
Yang Guangbin,
Jin Ling
Publication year - 1994
Publication title -
quality and reliability engineering international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 62
eISSN - 1099-1638
pISSN - 0748-8017
DOI - 10.1002/qre.4680100507
Subject(s) - censoring (clinical trials) , weibull distribution , statistics , compromise , mathematics , reliability engineering , test (biology) , test plan , computer science , engineering , social science , sociology , paleontology , biology
This paper presents the best compromise three‐level constant stress accelerated life test plans for Weibull distributions with different censoring times. The best compromise test plans choose the stress levels, test units allocated to each stress and censoring times to simultaneously minimize the asymptotic variance of the MLE of the mean log life at design stress and total running time. This paper also compares the test plans with existing three‐level test plans and concludes that the best compromise test plans (1) have less asymptotic variances, (2) are more robust and (3) are more cost‐effective, than the existing three‐level test plans.