A generalized SSI reliability model considering stochastic loading and strength aging degradation

Wei Huang, Ronald Askin

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

Summary & Conclusions - A generalized stress-strength interference (SSI) reliability model to consider stochastic loading and strength aging degradation is presented in this paper. This model conforms to previous models for special cases, but also demonstrates the weakness of those models when multiple stochastic elements exist. It can be used for any nonhomogeneous Poisson loading process, and any kind of strength aging degradation model. To solve the SSI reliability equation, a numerical recurrence formula is presented based on the Gauss-Legendre quadrature formula to calculate multiple integrations of a random variable vector. Numerical analysis of three examples shows this SSI reliability model provides accurate results for both homogeneous & nonhomogeneous Poisson loading processes.

Original languageEnglish (US)
Pages (from-to)77-82
Number of pages6
JournalIEEE Transactions on Reliability
Volume53
Issue number1
DOIs
StatePublished - Mar 2004

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Stochastic models
Aging of materials
Degradation
Random variables
Numerical analysis

Keywords

  • Gauss-Legendre quadrature formula
  • Numerical multiple integration
  • SSI reliability model
  • Stochastic loading
  • Stochastic strength aging degradation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Hardware and Architecture
  • Computer Graphics and Computer-Aided Design
  • Software
  • Safety, Risk, Reliability and Quality

Cite this

A generalized SSI reliability model considering stochastic loading and strength aging degradation. / Huang, Wei; Askin, Ronald.

In: IEEE Transactions on Reliability, Vol. 53, No. 1, 03.2004, p. 77-82.

Research output: Contribution to journalArticle

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