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Area Dependability / Availability related measures

IEV ref192-08-06

Symbol
U ¯ ( t 1 , t 2 ) MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiqadwfagaqeaiaacIcacaWG0bWaaSbaaSqaaiaaigdaaeqaaOGaaiilaiaaysW7caWG0bWaaSbaaSqaaiaaikdaaeqaaOGaaiykaaaa@3DA9@

en
mean unavailability
average unavailability
average value of the instantaneous unavailability over a given time interval (t1, t2)

Note 1 to entry: The mean unavailability is related to the instantaneous unavailability U(t) as:

U ¯ ( t 1 , t 2 )= 1 t 2 t 1 t 1 t 2 U(t)dt MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiqadwfagaqeaiaacIcacaWG0bWaaSbaaSqaaiaaigdaaeqaaOGaaiilaiaaysW7caWG0bWaaSbaaSqaaiaaikdaaeqaaOGaaiykaiabg2da9maalaaabaGaaGymaaqaaiaadshadaWgaaWcbaGaaGOmaaqabaGccqGHsislcaWG0bWaaSbaaSqaaiaaigdaaeqaaaaakmaapedabaGaamyvaiaacIcacaWG0bGaaiykaiaaykW7caqGKbGaamiDaaWcbaGaaGPaVlaadshadaWgaaadbaGaaGymaaqabaaaleaacaaMc8UaaGjbVlaadshadaWgaaadbaGaaGOmaaqabaaaniabgUIiYdaaaa@556D@


fr
indisponibilité moyenne, f
moyenne de l’indisponibilité instantanée sur un intervalle de temps donné (t1, t2)

Note 1 à l’article: L’indisponibilité moyenne est liée à l’indisponibilité instantanée U(t) par la formule:

U ¯ ( t 1 , t 2 )= 1 t 2 t 1 t 1 t 2 U(t)dt MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiqadwfagaqeaiaacIcacaWG0bWaaSbaaSqaaiaaigdaaeqaaOGaaiilaiaaysW7caWG0bWaaSbaaSqaaiaaikdaaeqaaOGaaiykaiabg2da9maalaaabaGaaGymaaqaaiaadshadaWgaaWcbaGaaGOmaaqabaGccqGHsislcaWG0bWaaSbaaSqaaiaaigdaaeqaaaaakmaapedabaGaamyvaiaacIcacaWG0bGaaiykaiaaykW7caqGKbGaamiDaaWcbaGaaGPaVlaadshadaWgaaadbaGaaGymaaqabaaaleaacaaMc8UaaGjbVlaadshadaWgaaadbaGaaGOmaaqabaaaniabgUIiYdaaaa@556D@


ar
متوسط اللا إتاحية

de
mittlere Nichtverfügbarkeit, f

es
indisponibilidad media

ko
평균 비가용도
평균 비가용도

ja
平均アンアベイラビリティ

pl
niegotowość średnia, f
niedyspozycyjność średnia, f

pt
indisponibilidade média

zh
平均不可用度

Publication date: 2015-02
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