Reliability analysis of systems with dependent degrading components based on thermodynamic physics-of-failure analysis

Lei Jiang, Qianmei Feng, David Coit

Research output: Contribution to conferencePaper

Abstract

In complex systems, the dependence among components via factors, such as number of external shocks, shock arrival times and cracks, is widely explored in literature. However, little research has been done on the dependence among components via environmental factors which becomes a crucial and challenging problem to system reliability. In this paper, we presented a new reliability model for complex systems with dependent components subject to respective degradation processes, and the dependency among components is established via environmental factors. We take temperature as an example application to demonstrate our model. Relationships between degradation and environmental temperature are studied and then reliability functions are derived for twocomponent, series, and series-parallel systems. The proposed model can be implemented to analyze the reliability of systems with dependent components via environmental factors.

Original languageEnglish (US)
Pages123-130
Number of pages8
StatePublished - Jan 1 2012
Event62nd IIE Annual Conference and Expo 2012 - Orlando, FL, United States
Duration: May 19 2012May 23 2012

Other

Other62nd IIE Annual Conference and Expo 2012
CountryUnited States
CityOrlando, FL
Period5/19/125/23/12

Fingerprint

Reliability analysis
Failure analysis
Physics
Thermodynamics
Large scale systems
Degradation
Cracks
Temperature

All Science Journal Classification (ASJC) codes

  • Industrial and Manufacturing Engineering

Keywords

  • Arrhenius relationship
  • Dependent degrading components
  • Environmental factors
  • Physics-of-failure
  • Thermodynamic study

Cite this

Jiang, L., Feng, Q., & Coit, D. (2012). Reliability analysis of systems with dependent degrading components based on thermodynamic physics-of-failure analysis. 123-130. Paper presented at 62nd IIE Annual Conference and Expo 2012, Orlando, FL, United States.
Jiang, Lei ; Feng, Qianmei ; Coit, David. / Reliability analysis of systems with dependent degrading components based on thermodynamic physics-of-failure analysis. Paper presented at 62nd IIE Annual Conference and Expo 2012, Orlando, FL, United States.8 p.
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Jiang, L, Feng, Q & Coit, D 2012, 'Reliability analysis of systems with dependent degrading components based on thermodynamic physics-of-failure analysis', Paper presented at 62nd IIE Annual Conference and Expo 2012, Orlando, FL, United States, 5/19/12 - 5/23/12 pp. 123-130.

Reliability analysis of systems with dependent degrading components based on thermodynamic physics-of-failure analysis. / Jiang, Lei; Feng, Qianmei; Coit, David.

2012. 123-130 Paper presented at 62nd IIE Annual Conference and Expo 2012, Orlando, FL, United States.

Research output: Contribution to conferencePaper

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Jiang L, Feng Q, Coit D. Reliability analysis of systems with dependent degrading components based on thermodynamic physics-of-failure analysis. 2012. Paper presented at 62nd IIE Annual Conference and Expo 2012, Orlando, FL, United States.