RETRACTED: Optimal planning of failure-step stress partially accelerated life tests under type-II censoring (Retracted article. See vol. 84, pg. 2759, 2014)
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作者:
Ismail, Ali A.
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King Saud Univ, Coll Sci, Dept Stat & Operat Res, Riyadh 11451, Saudi ArabiaKing Saud Univ, Coll Sci, Dept Stat & Operat Res, Riyadh 11451, Saudi Arabia
Ismail, Ali A.
[1
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Aly, H. M.
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Cairo Univ, Dept Stat, Fac Econ & Polit Sci, Giza, EgyptKing Saud Univ, Coll Sci, Dept Stat & Operat Res, Riyadh 11451, Saudi Arabia
Aly, H. M.
[2
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机构:
[1] King Saud Univ, Coll Sci, Dept Stat & Operat Res, Riyadh 11451, Saudi Arabia
This paper considers optimum plans for failure-step stress partially accelerated life tests with two stress levels under type-II censoring assuming Weibull distribution as a lifetime model. The optimum test plans determine the optimum proportion of test units failing at each stress according to a certain optimality criterion. The D-optimality criterion is considered. Some numerical illustrations are provided to illustrate the proposed procedure.
机构:
Univ Roma La Sapienza, Microbiol Unit, Dept Publ Hlth Sci, IT-00185 Rome, ItalyUniv Roma La Sapienza, Microbiol Unit, Dept Publ Hlth Sci, IT-00185 Rome, Italy
Iebba, Valerio
Aloi, Marina
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Univ Roma La Sapienza, Dept Pediat, Pediat Gastroenterol & Liver Unit, IT-00185 Rome, ItalyUniv Roma La Sapienza, Microbiol Unit, Dept Publ Hlth Sci, IT-00185 Rome, Italy
Aloi, Marina
Civitelli, Fortunata
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Univ Roma La Sapienza, Dept Pediat, Pediat Gastroenterol & Liver Unit, IT-00185 Rome, ItalyUniv Roma La Sapienza, Microbiol Unit, Dept Publ Hlth Sci, IT-00185 Rome, Italy
Civitelli, Fortunata
Cucchiara, Salvatore
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Univ Roma La Sapienza, Dept Pediat, Pediat Gastroenterol & Liver Unit, IT-00185 Rome, ItalyUniv Roma La Sapienza, Microbiol Unit, Dept Publ Hlth Sci, IT-00185 Rome, Italy