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Estimate Stress-Strength Reliability Model Using Rayleigh and Half-Normal Distribution
Osama Abdulaziz Alamri1, M M Abd El-Raouf2, Eman Ahmed Ismail3
1Department of Statistics, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia.
Abstract:
In the field of life testing, it is very important to study the reliability of any component under testing. One of the most important subjects is the "stress-strength reliability" term which always refers to the quantity P (X > Y) in any statistical literature. It resamples a system with random strength (X) that is subjected to a random strength (Y) such that a system fails in case the stress exceeds the strength. In this study, we consider stress-strength reliability where the strength (X) follows Rayleigh-half-normal distribution and stress (Y 1, Y 2, Y 3, and Y 4) follows Rayleigh-half-normal distribution, exponential distribution, Rayleigh distribution, and half-normal distribution, respectively. This effort comprises determining the general formulations of the reliabilities of a system. Also, the maximum likelihood estimation approach and method of moment (MOM) will be utilized to estimate the parameters. Finally, reliability has been attained utilizing various values of stress and strength parameters.
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