Distribution function and its applications in software reliability

Research output: Contribution to journalArticlepeer-review


In this paper, we present a new distribution function that characterizes using a Vtub-shaped failure rate function. We discuss the characteristics of the distribution and determine the confidence intervals of the Vtub-shaped failure rate. We also illustrate the proposed distribution function with an application in software reliability modeling by using the new Vtub-shaped failure rate as the time-dependent fault detection rate per fault in a recent generalized software reliability model with the uncertainty of operating environments.

Original languageEnglish (US)
Pages (from-to)1306-1313
Number of pages8
JournalInternational Journal of Performability Engineering
Issue number5
StatePublished - May 2019

All Science Journal Classification (ASJC) codes

  • Safety, Risk, Reliability and Quality


  • Bathtub shape
  • Failure rate function
  • Lifetime distribution
  • Operating environments
  • Software reliability model
  • Vtub-shaped failure rate

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