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스트레스함수가 균등분포인 가속수명시험 KCI 등재

Accelerated Life Tests under Uniform Stress Distribution

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대한안전경영과학회지 (Journal of Korea Safety Management & Science)
대한안전경영과학회 (Korea Safety Management & Science)
초록

This paper presents accelerated life tests for Type I censoring data under probabilistic stresses. Probabilistic stress, Sj, is the random variable for stress influenced by test environments, test equipments, sampling devices and use conditions. The hazard rate, ,thetaj, is the random variable of environments and the function of probabilistic stress. Also it is assumed that the general stress distribution is uniform, the life distribution for the given hazard rate, θ, is exponential and inverse power law model holds. In this paper, we obtained maximum likelihood estimators of model parameters and the mean life in use stress condition.

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