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  • The Weibull distribution is commonly used as a lifetime distribution in reliability. The Weibull distribution is so often used because of its hight variability - two-parameter Weibull distribution can represent a decreasing, constant or increasing failure rate. In this paper, we compare methods for estimating the parameters of Weibull distribution. The most commonly used methods are: least squares and maximum likelihood. In two-step test we used test data sets containing generated random values and data containing measured values of electrical resistance of electrically conductive adhesives. The means square error was used as a metrics for the comparison between these methods. We found that the maximum likelihood method is not always the best method for estimating the parameters of the Weibull distributions.
  • The Weibull distribution is commonly used as a lifetime distribution in reliability. The Weibull distribution is so often used because of its hight variability - two-parameter Weibull distribution can represent a decreasing, constant or increasing failure rate. In this paper, we compare methods for estimating the parameters of Weibull distribution. The most commonly used methods are: least squares and maximum likelihood. In two-step test we used test data sets containing generated random values and data containing measured values of electrical resistance of electrically conductive adhesives. The means square error was used as a metrics for the comparison between these methods. We found that the maximum likelihood method is not always the best method for estimating the parameters of the Weibull distributions. (en)
Title
  • Estimation Accuracy of Weibull Distribution Parameters in Reliability Practice
  • Estimation Accuracy of Weibull Distribution Parameters in Reliability Practice (en)
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  • Estimation Accuracy of Weibull Distribution Parameters in Reliability Practice
  • Estimation Accuracy of Weibull Distribution Parameters in Reliability Practice (en)
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  • RIV/68407700:21230/11:00180488!RIV12-MSM-21230___
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  • 197979
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  • RIV/68407700:21230/11:00180488
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  • Weibull Distribution; Parameter Estimation; Reliability (en)
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  • [544EF8153DF7]
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  • Prague
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  • Praha
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  • POSTER 2011 - 15th International Student Conference on Electrical Engineering
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  • Tučan, Marek
  • Žák, Pavel
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  • České vysoké učení technické v Praze. Fakulta elektrotechnická
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  • 978-80-01-04806-1
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  • 21230
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