Introduction of a fixed-number censoring procedure for reliability testing of weibull distribution considering the influence of both shape and scale parameters

Yuuki Kawamura, Yasuhiko Takemoto, Ikuo Arizono

Research output: Contribution to journalArticle

Abstract

In traditional reliability tests for assuring the mean time to failure (MTTF) in Weibull distribution with shape and scale parameters, it is assumed that the change of lifetime is concerned with the scale parameter only. Then, Hisada et al. proposed a reliability test procedure for assuring MTTF while considering the influence of both shape and scale parameters. Their reliability test requires complete lifetime data, and the application of a censoring procedure for designing a reliability test for Weibull distribution that considers the influence of both shape and scale parameters has not been considered. In general, since reliability tests require a long testing period, the fixed-number censoring procedure is sometimes applied in order to save testing time. Therefore, in this article we consider the fixed-number censoring procedure in reliability test for assuring MTTF while considering the influence of both shape and scale parameters for Weibull distribution. We also refer to the economical design of the proposed fixed-number censoring test.

Original languageEnglish
Pages (from-to)302-307
Number of pages6
JournalJournal of Japan Industrial Management Association
Volume55
Issue number5
Publication statusPublished - 2004
Externally publishedYes

Fingerprint

Weibull distribution
Weibull Distribution
Shape Parameter
Scale Parameter
Censoring
Testing
Mean Time to Failure
Lifetime Data
Influence
Lifetime

Keywords

  • Economic design
  • Fixed-number censoring procedure
  • Reliability test
  • Weibull distribution

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Engineering (miscellaneous)

Cite this

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abstract = "In traditional reliability tests for assuring the mean time to failure (MTTF) in Weibull distribution with shape and scale parameters, it is assumed that the change of lifetime is concerned with the scale parameter only. Then, Hisada et al. proposed a reliability test procedure for assuring MTTF while considering the influence of both shape and scale parameters. Their reliability test requires complete lifetime data, and the application of a censoring procedure for designing a reliability test for Weibull distribution that considers the influence of both shape and scale parameters has not been considered. In general, since reliability tests require a long testing period, the fixed-number censoring procedure is sometimes applied in order to save testing time. Therefore, in this article we consider the fixed-number censoring procedure in reliability test for assuring MTTF while considering the influence of both shape and scale parameters for Weibull distribution. We also refer to the economical design of the proposed fixed-number censoring test.",
keywords = "Economic design, Fixed-number censoring procedure, Reliability test, Weibull distribution",
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T1 - Introduction of a fixed-number censoring procedure for reliability testing of weibull distribution considering the influence of both shape and scale parameters

AU - Kawamura, Yuuki

AU - Takemoto, Yasuhiko

AU - Arizono, Ikuo

PY - 2004

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N2 - In traditional reliability tests for assuring the mean time to failure (MTTF) in Weibull distribution with shape and scale parameters, it is assumed that the change of lifetime is concerned with the scale parameter only. Then, Hisada et al. proposed a reliability test procedure for assuring MTTF while considering the influence of both shape and scale parameters. Their reliability test requires complete lifetime data, and the application of a censoring procedure for designing a reliability test for Weibull distribution that considers the influence of both shape and scale parameters has not been considered. In general, since reliability tests require a long testing period, the fixed-number censoring procedure is sometimes applied in order to save testing time. Therefore, in this article we consider the fixed-number censoring procedure in reliability test for assuring MTTF while considering the influence of both shape and scale parameters for Weibull distribution. We also refer to the economical design of the proposed fixed-number censoring test.

AB - In traditional reliability tests for assuring the mean time to failure (MTTF) in Weibull distribution with shape and scale parameters, it is assumed that the change of lifetime is concerned with the scale parameter only. Then, Hisada et al. proposed a reliability test procedure for assuring MTTF while considering the influence of both shape and scale parameters. Their reliability test requires complete lifetime data, and the application of a censoring procedure for designing a reliability test for Weibull distribution that considers the influence of both shape and scale parameters has not been considered. In general, since reliability tests require a long testing period, the fixed-number censoring procedure is sometimes applied in order to save testing time. Therefore, in this article we consider the fixed-number censoring procedure in reliability test for assuring MTTF while considering the influence of both shape and scale parameters for Weibull distribution. We also refer to the economical design of the proposed fixed-number censoring test.

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