Slides - Åbo Akademi
Slides - Åbo Akademi
Slides - Åbo Akademi
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Triple Modular Redundancy<br />
Reminder: TMR system consists of three<br />
parallel modules<br />
Reliability of a single module is R m (t)<br />
Reliability of a TMR system that consists of three identical modules, is<br />
R TMR (t) = R 3 M(t) + 3R 2 M(t)(1 − R M (t)) = 3R 2 M(t) − 2R 3 M(t)<br />
Reliability of the TMR arrangement may be worse than the reliability of<br />
an individual module!
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