25 fit testing 1 (2) - Homework 6 Due Nov 26 (next...

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MFG 5350 1 Homework 6 Due Nov 26 (next Wednesday) before 5PM
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MFG 5350 2 Final Presentation Nov 26 (next Wednesday) Final Report Dec 12 (Friday) before 5PM
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MFG 5350 3 Final Exam Dec 8 (Monday) 7:00PM-9:45PM
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MFG 5350 4 Part II: Analysis of Failure Data
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MFG 5350 5 Parametric Approach Empirical Method To fit a theoretical distribution (exponential, Weibull, normal, and lognormal distributions) to failure data To derive directly from the failure data, the failure distribution, reliability function or hazard rate function Approaches to Fitting Reliability Distributions to Failure Data
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MFG 5350 6 To identify an appropriate theoretical approach Procedures of Parametric Approaches To estimate the parameters To perform a goodness-of-fit test
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MFG 5350 7 For exponential distribution: Bartlett’s test Fitting tests For Weibull distribution: Mann’s test For normal and lognormal distributions: Kolmogorov-Smirnov test
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8 Bartlett’s Test: for Exponential Distribution H 0 : Failure times are exponential H 1 : Failure times are not exponential Where t i = time of failure of the i th unit r = number of failures then the null hypothesis ( H 0 ) is accepted; otherwise, the alternative hypothesis ( H 1 ) is accepted. If
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This note was uploaded on 04/25/2010 for the course IE 654 taught by Professor Smith during the Spring '10 term at 카이스트, 한국과학기술원.

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25 fit testing 1 (2) - Homework 6 Due Nov 26 (next...

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