Software for use of expert opinion in reliability

Research output: Chapters, Conference Papers, Creative and Literary Works (RGC: 12, 32, 41, 45)32_Refereed conference paper (with ISBN/ISSN)peer-review

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Author(s)

  • Khalid Aboura
  • Nozer D. Singpurwalla
  • Refik Soyer

Detail(s)

Original languageEnglish
Title of host publicationAnnual Quality Congress Transactions
PublisherPubl by ASQC
Pages527-532
Volume43
Publication statusPublished - 1989
Externally publishedYes

Publication series

Name
Volume43

Conference

Title43rd Annual Quality Congress Transactions 1989
CityToronto, Ont, Can
Period8 - 10 May 1989

Abstract

In this paper we discuss an interactive PC-Based software for reliability assessment of items whose life lengths are described by a Weibull distribution. We demonstrate a software named 'IPRA' that was developed at the Institute for Reliability and Risk Analysis, the George Washington University. The novel feature of the program pertains to the incorporation of informed judgement or expert opinion into the analysis, and the provision for incorporating the analyst's opinions on the expertise of the experts. The code is user friendly and leads a reliability analyst through the process of eliciting expert opinion on the deterioration/improvement rate and the median life of the items. The program also allows use of failure and/or survival data on identical items and provides an interactive and time-sequential merging of the modulated expert opinion with the data. It provides tabular and graphical displays of prior and posterior reliability functions and reliability interval distributions for different mission times. 'IPRA' also provides feedback to the expert, and in the light of new data, the analyst can call upon the program to update the results.

Citation Format(s)

Software for use of expert opinion in reliability. / Aboura, Khalid; Singpurwalla, Nozer D.; Soyer, Refik.

Annual Quality Congress Transactions. Vol. 43 Publ by ASQC, 1989. p. 527-532.

Research output: Chapters, Conference Papers, Creative and Literary Works (RGC: 12, 32, 41, 45)32_Refereed conference paper (with ISBN/ISSN)peer-review