PROJECT TITLE :
Method of Multiple Fault Isolation in Large Scale Systems
In this paper, issues of the online diagnostics of multiple faults in giant scale systems are presented. Possibilities of recognition of multiple faults based on the data of signatures of the single faults are mentioned. The distinction between simultaneous faults and also the series of faults is introduced and defined. The required condition for diagnostic reasoning assuming an prevalence of multiple faults is formulated. This paper can show that multiple faults appearing simultaneously or inside short time intervals are correctly isolated under the belief of single faults, if the subsets of faults appropriate for isolation are disjunctive. A novel, practical and easy to implement algorithm designed for reasoning multiple faults is presented. An industrial example of the web diagnostics of a steam-water line of the ability boiler is given.
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