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Slides - Åbo Akademi

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M-of-N Arrangement<br />

A system consists of N identical modules<br />

At least M modules must function correctly in order to prevent a<br />

system failure<br />

R M−of −N (t) =<br />

N−M<br />

∑<br />

i=0<br />

[( i<br />

N)<br />

R N−i<br />

m (t)(1 − R m (t)) i ]

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