IEC 60050 - International Electrotechnical Vocabulary


IEVref:	192-05-07	ID:
Language:	en	Status: Standard

Term:	mean failure rate
Synonym1:	average failure rate [Preferred]
Synonym2:
Synonym3:
Symbol:	$\overset{Ż}{λ} (t_{1}, t_{2})$
Definition:	average value of the instantaneous failure rate over a given time interval (t₁, t₂) $\overset{Ż}{λ} (t_{1}, t_{2}) = \frac{1}{t_{2} - t_{1}} \int_{t_{1}}^{t_{2}} λ (t) d t$
Publication date:	2015-02
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Internal notes:	2017-06-02: Cleanup - Remove Attached Image 192-05-071.gif
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