Mean Time Between Failures - définition. Qu'est-ce que Mean Time Between Failures
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Qu'est-ce (qui) est Mean Time Between Failures - définition

PREDICTED ELAPSED TIME BETWEEN INHERENT FAILURES OF A SYSTEM DURING OPERATION
MTBF; Mean Time Between Failures; Mean time before failure; MTTF; Mean Time Between Failure; Mean time to failure; Mean time between failure; MTBUR; Mean time to fail

Mean Time Between Failures         
<specification> (MTBF, or "Mean Time Between Faults") The average time (usually expressed in hours) that a component works without failure. It is calculated by dividing the total number of failures into the total number of operating hours observed. The term can also mean the length of time a user may reasonably expect a device or system to work before an incapacitating fault occurs. See also Mean Time To Recovery. (1998-05-01)
Mean time between failures         
Mean time between failures (MTBF) is the predicted elapsed time between inherent failures of a mechanical or electronic system, during normal system operation. MTBF can be calculated as the arithmetic mean (average) time between failures of a system.
MTTF         
Mean Time To Failure

Wikipédia

Mean time between failures

Mean time between failures (MTBF) is the predicted elapsed time between inherent failures of a mechanical or electronic system during normal system operation. MTBF can be calculated as the arithmetic mean (average) time between failures of a system. The term is used for repairable systems while mean time to failure (MTTF) denotes the expected time to failure for a non-repairable system.

The definition of MTBF depends on the definition of what is considered a failure. For complex, repairable systems, failures are considered to be those out of design conditions which place the system out of service and into a state for repair. Failures which occur that can be left or maintained in an unrepaired condition, and do not place the system out of service, are not considered failures under this definition. In addition, units that are taken down for routine scheduled maintenance or inventory control are not considered within the definition of failure. The higher the MTBF, the longer a system is likely to work before failing.