Grouped Per Configuration Reference Example: Difference between revisions

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{{Reference Example|RGA_Reference_Examples_Banner.png|RGA_Reference_Examples}}
{{Reference Example|{{Banner RGA Reference_Examples}}|Grouped per Configuration}}
This example compares the results for grouped per configuration data.
This example validates the results for grouped per configuration data in RGA.




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MIL-HDBK-189C, Section 6.2.3.2, pg. 86, 2011.
MIL-HDBK-189C, Section 6.2.3.2, pg. 86, 2011.
For this example, the Crow-AMSAA (NHPP) model parameters will be calculated.




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{{Reference_Example_Heading2}}
The following table shows the data.


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The book has the following results:


Beta = 0.780, Lambda = 0.595
Beta = 0.780, Lambda = 0.595
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{{Reference_Example_Heading4|RGA}}
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In RGA, the Crow-AMSAA (NHPP) model with the maximum likelihood estimation (MLE) method was used to calculate the results.
*The model parameters are:


[[image:MIL-HDBK-189C 6.2.3.2 Example_Results.png|center]]
[[image:MIL-HDBK-189C 6.2.3.2 Example_Results.png|center]]
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*The reliability vs. time plot:


[[image:MIL-HDBK-189C 6.2.3.2 Example_Plot.png|center|550px]]
[[image:MIL-HDBK-189C 6.2.3.2 Example_Plot.png|center|550px]]

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Grouped per Configuration

This example validates the results for grouped per configuration data in RGA.


Reference Case

MIL-HDBK-189C, Section 6.2.3.2, pg. 86, 2011.

For this example, the Crow-AMSAA (NHPP) model parameters will be calculated.


Data

The following table shows the data.

Configuration Number Number of Failures in Configuration Number of Trials in Configuration
1 5 14
2 3 19
3 4 15
4 4 20


Result

The book has the following results:

Beta = 0.780, Lambda = 0.595

Configuration i Reliability for Configuration i
1 0.667
2 0.766
3 0.794
4 0.810


Results in RGA

In RGA, the Crow-AMSAA (NHPP) model with the maximum likelihood estimation (MLE) method was used to calculate the results.

  • The model parameters are:
MIL-HDBK-189C 6.2.3.2 Example Results.png


Configuration i Reliability for Configuration i
1 0.6668
2 0.7662
3 0.7939
4 0.8096
  • The reliability vs. time plot:
MIL-HDBK-189C 6.2.3.2 Example Plot.png
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