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In reliability growth analysis, the Crow-AMSAA (NHPP) model assumes that the corrective actions for the observed failure modes are incorporated during the test (test-fix-test). However, in actual practice, fixes may be delayed until after the completion of the test (test-find-test) or some fixes may be implemented during the test while others are delayed (test-fix-find-test). At the end of a test phase, two reliability estimates are of concern: demonstrated reliability and projected reliability. The Crow Extended model allows for a flexible growth strategy that can include corrective actions performed during the test, as well as delayed corrective actions. | |||
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| [http://help.synthesisplatform.net/rga9/ | | [http://help.synthesisplatform.net/rga9/index.htm#analysis_with_the_crow_extended_model.htm V9 Help] or [http://help.synthesisplatform.net/rga10/index.htm#analysis_with_the_crow_extended_model.htm V10 Help] | ||
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| [ related article(s)...] | | [http://reliawiki.com/index.php/Crow_Extended_Developmental_Articles related article(s)...] | ||
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| [[Image:Bulbblue.png]] | | [[Image:Bulbblue.png]] | ||
| [ application example(s)...] | | [http://www.reliasoft.com/rga/examples/rgex3/index.htm application example(s)...] | ||
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Latest revision as of 22:56, 23 April 2015
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| Crow Extended Model for Developmental Data
In reliability growth analysis, the Crow-AMSAA (NHPP) model assumes that the corrective actions for the observed failure modes are incorporated during the test (test-fix-test). However, in actual practice, fixes may be delayed until after the completion of the test (test-find-test) or some fixes may be implemented during the test while others are delayed (test-fix-find-test). At the end of a test phase, two reliability estimates are of concern: demonstrated reliability and projected reliability. The Crow Extended model allows for a flexible growth strategy that can include corrective actions performed during the test, as well as delayed corrective actions. |
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