Example: Weibull++ Standard Folio Data 1P-Weibull: Difference between revisions

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==Example: Weibull++ Standard Folio Data 1P-Weibull==
#REDIRECT [[Weibull%2B%2B_Examples]]
Six prototypes of a system were tested. The failure times are 16, 34, 53, 75, 93 and 120. Due to the small sample size, 1P-Weibull is chosen to model the data. According to previous similar products, the slope parameter <math>\beta </math>  is set to 1.5. Choose the 1P-Weibull distribution in Weibull++ and calculate it, the results are given below.
 
===Solution===
* Estimated model parameters:
[[Image:1P Weibull Parameters.png|center]]
* Probability plot:
[[Image:1P Weibull PPlot.png|center|400px]]
* Use QCP to predict reliability:
[[Image:1P Weibull QCP.png|center|400px]]
 
The above Figure shows the reliability at 15 hours is 0.9054, and its two-sided confidence bounds at confidence level of 90% are 0.7619 and 0.9644.

Latest revision as of 00:04, 30 June 2015

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