Why Risk Models should be Parameterised
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Risk models using fault and event trees can be extended with explicit factors, which are states of the system, its users or its environment that influence event probabilities. The factors act as parameters in the risk model, enabling the model to be re-used and also providing a new way to estimate the overall risk of a system with many instances of the risk. A risk model with parameters can also be clearer.
AuthorsMarsh, DWR; Bearfield, GJ; MASR-2009 Modeling and Analysis of Safety and Risk in Complex Systems
- College Publications