2016
DOI: 10.1080/03610918.2015.1057288
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Reliability computation under dynamic stress–strength modeling with cumulative stress and strength degradation

Abstract: Reliability function is defined under suitable assumptions for dynamic stress-strength scenarios where strength degrades and stress accumulates over time. Methods for numerical evaluation of reliability are suggested under deterministic strength degradation and cumulative damage due to shocks arriving according to a point process, in particular a Poisson process, using simulation method and inversion theorem. These methods are specifically useful in the scenarios where damage distributions do not possess closu… Show more

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Cited by 9 publications
(9 citation statements)
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“…The strength of the unit is described by K (t) which is continuous and decreasing in time t. Note that, under the present stress-strength interface, there are two different types of failure modes, either due to strength degradation at or below the existing level of accumulated stress, or due to arrival of a shock resulting in the increased stress exceeding or equaling the strength at that time (See Bhuyan and Dewanji 2017b). Then a unit fails when its strength reduces to zero even if no shock arrives by that time.…”
Section: Preliminariesmentioning
confidence: 99%
See 1 more Smart Citation
“…The strength of the unit is described by K (t) which is continuous and decreasing in time t. Note that, under the present stress-strength interface, there are two different types of failure modes, either due to strength degradation at or below the existing level of accumulated stress, or due to arrival of a shock resulting in the increased stress exceeding or equaling the strength at that time (See Bhuyan and Dewanji 2017b). Then a unit fails when its strength reduces to zero even if no shock arrives by that time.…”
Section: Preliminariesmentioning
confidence: 99%
“…Hence, the strength of a unit may reasonably be described by a deterministic curve which is decreasing in time. Recently, computation and estimation of reliability under such cumulative damage model has been considered by Bhuyan and Dewanji (2017a;2017b).…”
Section: Introductionmentioning
confidence: 99%
“…Stress-strength interference (SSI) model has been widely used in the reliability estimation [1,2,25,36]. In SSI model, Stress represents a number of factors promoting the failure while strength represents ability of resisting the failure of products.…”
Section: Stress-strength Interference Modelmentioning
confidence: 99%
“…In this section, we do not make any assumption about the functional form of the renewal distribution f . To find the non-parametric MLE of ν, one needs to maximize the likelihood function (1) with respect to ν and the density function f . Toward this, one notices that the renewal distribution f is not involved in the first factor ν/(ν − M (d) )!…”
Section: Nonparametric Estimationmentioning
confidence: 99%
“…Toward this, one notices that the renewal distribution f is not involved in the first factor ν/(ν − M (d) )! in (1). Therefore, in order to estimate f for a given ν, the product of all terms, excluding ν!/(ν − M (d) )!, should be considered.…”
Section: Nonparametric Estimationmentioning
confidence: 99%