M
Mohammed Al-Haj Ebrahem
Researcher at Yarmouk University
Publications - 21
Citations - 100
Mohammed Al-Haj Ebrahem is an academic researcher from Yarmouk University. The author has contributed to research in topics: Mean squared error & Estimator. The author has an hindex of 6, co-authored 21 publications receiving 98 citations. Previous affiliations of Mohammed Al-Haj Ebrahem include Kansas State University.
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Optimum simple step-stress plan for log-logistic cumulative exposure model
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Non-parametric analysis of a proportional wearout model for accelerated degradation data
TL;DR: A new model for accelerated degradation data called a proportional wearout model is proposed, and the mean degradation curve and the acceleration factor for each stress level are estimated non-parametrically.
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A Ratio Estimator Under General Sampling Design
TL;DR: In this article, an estimator of the population ratio, under general sampling design, is proposed, and an unbiased variance estimator is obtained, and the Godambe-Joshi lower bound is asymptotically attainable for this estimator.
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Estimating Percentiles of Time-to-Failure Distribution Obtained from a Linear Degradation Model Using Kernel Density Method
TL;DR: A nonparametric estimator for percentiles of the time-to-failure distribution obtained from a linear degradation model using the kernel density method is proposed and compared with well-known maximum likelihood and ordinary least squares estimators via a simulation technique.
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Designing degradation experiments using a Weibull distribution
TL;DR: In this paper, the authors deal with the optimal design of a degradation experiment, where the degradation rate follows a Weibull distribution, by minimizing the mean squared error of the estimated 100pth percentile of the life time distribution such that the total experimental cost does not exceed a certain budget.