Difference between revisions of "Reliability (glossary)"
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| − | <blockquote>'' | + | <blockquote>''The probability of a system or system element performing its intended function under stated conditions without failure for a given period of time.'' -- modified slightly from (American Society for Quality 2011)</blockquote> |
| − | + | ===Sources=== | |
| + | American Society for Quality. 2011. Glossary: Reliability. Accessed on 11 September 2012. Available at http://asq.org/glossary/r.html. | ||
| − | === | + | ===Discussion=== |
| − | + | This definition is similar to the one found in the ''Defense Acquisition Guidebook'', and the commonly used texts. (DAU 2010) It has four important parts. First, reliability is defined as a probability that a system or system element performs some function. That function must be explicitly defined. Second, the stated operating conditions (which can include environment, load, and any other factor affecting life) must be explicitly stated. Third, a failure must be defined. Last, the appropriate time scale must be specified. This time scale can be chronological, or it can by cycles of operation, miles, landing, or any other measure that is related to the assumed failure mechanism. | |
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| − | + | '''Work Cited''' | |
| − | ''' | ||
| − | + | DAU. 2010. ''Defense Acquisition Guidebook (DAG)''. Ft. Belvoir, VA, USA: Defense Acquisition University (DAU)/U.S. Department of Defense (DoD). February 19, 2010. | |
[[Category:Glossary of Terms]] | [[Category:Glossary of Terms]] | ||
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Latest revision as of 23:35, 18 November 2023
The probability of a system or system element performing its intended function under stated conditions without failure for a given period of time. -- modified slightly from (American Society for Quality 2011)
Sources
American Society for Quality. 2011. Glossary: Reliability. Accessed on 11 September 2012. Available at http://asq.org/glossary/r.html.
Discussion
This definition is similar to the one found in the Defense Acquisition Guidebook, and the commonly used texts. (DAU 2010) It has four important parts. First, reliability is defined as a probability that a system or system element performs some function. That function must be explicitly defined. Second, the stated operating conditions (which can include environment, load, and any other factor affecting life) must be explicitly stated. Third, a failure must be defined. Last, the appropriate time scale must be specified. This time scale can be chronological, or it can by cycles of operation, miles, landing, or any other measure that is related to the assumed failure mechanism.
Work Cited
DAU. 2010. Defense Acquisition Guidebook (DAG). Ft. Belvoir, VA, USA: Defense Acquisition University (DAU)/U.S. Department of Defense (DoD). February 19, 2010.