Analytical Derivation and Comparison of Alarm Similarity Measures

An industrial process includes many devices, variables, and sub-processes that are physically or electronically interconnected. These interconnections imply some level of correlation between different variables. Since most the alarms in a plant defined on also correlated. However, this can be nuisance to operators, for one fault might trigger a, sometimes large, number alarms. So, it is essential find correct correlated In paper, we study methods techniques proposed measure similarity The indices first analytically calculated then studied compared. results validated using Monte-Carlo simulation.