Random number of units for K-out-of-n systems
المؤلف | Ito, Kodo |
المؤلف | Zhao, Xufeng |
المؤلف | Nakagawa, Toshio |
تاريخ الإتاحة | 2020-10-01T11:39:53Z |
تاريخ النشر | 2017 |
اسم المنشور | Applied Mathematical Modelling |
المصدر | Scopus |
الملخص | This paper takes up the reliability and preventive replacement problems for a K-out-of-n system, where K is a stochastic parameter provided. Firstly, we consider the case when K is predefined as constant numbers as is done with the traditional method, and obtain the system reliability R(t), mean time to failure (MTTF), and replacement policies, in which the number n of units for replacement and replacement time T of operation are, respectively, optimized. Secondly, we focus on the above discussions again when K cannot be predefined constantly, but it is a random variable with an estimated probability function. Furthermore, we give approximate computations in an easier way for MTTF, optimal number n and replacement time T, respectively. |
راعي المشروع | This paper was made possible by a Postdoctoral Research Award PDRA1-0116-14107 from the Qatar National Research Fund (a member of The Qatar Foundation). |
اللغة | en |
الناشر | Elsevier Inc. |
الموضوع | Mean time to failure Poisson distribution Redundant system Reliability Replacement |
النوع | Article |
الصفحات | 563-572 |
رقم المجلد | 45 |
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