Reliability growth by failure mode removal

Donald P. Gaver and Patricia A. Jacobs

Reliability Engineering and System Safety, 2014, vol. 130, issue C, 27-32

Abstract: Modern systems, civilian (e.g. automotive), and military (manned and unmanned aircraft, surface vehicles, submerged vessels), suffer initial design faults or failure modes (FMs), including software bugs, which detrimentally affect the system׳s reliability and availability. FMs must be removed or mitigated in impact during initial testing, including accelerated testing, in order for the system to meet its reliability requirements and operate satisfactorily in the field. This paper concerns models for reliability growth in which the behaviors of FMs are assumed independent, but of different types. Test effort is guided by prior information, expressed probabilistically, on the random number and tenacities of such FMs that are of various origins in the designs. Estimation of the numbers of FMs that will ultimately activate while in the field is considered here.

Keywords: Reliability growth; Infinite server queue; Poisson thinning (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:130:y:2014:i:c:p:27-32

DOI: 10.1016/j.ress.2014.04.012

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