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  5. Probabilistic calculations as a function of time

Article | REF: SE4074 V1

Reliability block diagrams

Author: Jean-Pierre SIGNORET

Publication date: February 10, 2017

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5. Probabilistic calculations as a function of time

5.1 General considerations on the introduction of time

The logical formula for a BDF does not change as a function of time, and the above probabilistic calculations are valid, in principle, only for point values of probabilities (i.e. constant probabilities independent of time). This is why Boolean approaches (BDFs, fault trees, event trees) are considered to be static, as opposed to Markovian approaches [SE 4 071] or Petri nets

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