Fault Propagation Using Fuzzy Cognitive Maps

O. Kipersztok

An algorithm is presented for propagating the effect of single or multiple faults in a system modeled by a cognitive map. The cognitive map is a directed causal graphs that can be used to model complex dynamic system . Also shown is the propagation of variance estimates of uncertainty associated with the presence of a fault and with the arcs, representing strength of causality, in the cognitive map. The proposed approach can provide insights into the dynamic character of the system, and help, explain away intermittent fault behavior.

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