Some results on dynamic systems
سال انتشار: 1396
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 418
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شناسه ملی سند علمی:
MARBS01_036
تاریخ نمایه سازی: 4 مهر 1396
چکیده مقاله:
If the component lifetimes be independent and identically distribution, the order statistics are suitable for describing the system lifetime. Notice that here failing a component does not change the distribution functions of lifetimes of surviving components. Sequential order statistics, is an extensionof the usual order statistics and used for modeling lifetimes of dynamic r -out-of- n systems, coming from non-homogeneous exponential distributions are considered. The problem of hypotheses testingfor exponential populations on the basis of multiple independent sequential order statistics samples under a conditionally proportional hazard rate model via a Bayesian and classical approach is studied.Via the likelihood approach, statistical procedures including estimation, either point or interval of the parameters as well as the generalized likelihood ratio are derived for testing homogeneity of theexponential populations. Approximate confidence intervals and Fisher Information are derived on the basis of observed multiply system lifetimes
کلیدواژه ها:
نویسندگان
Majid Hashempour
Department of Statistics, School of Science, University of Hormozgan , Bandar Abbas, Iran.
Yousef Behbahani
Department of Statistics, School of Science, University of Hormozgan , Bandar Abbas, Iran.