Automatic test generation for model-based real-time fault diagno

Details Automatic test generation for model-based real-time fault diagno Automatic test generation for model-based real-time fault diagno

1990-10-24

1993-05-25

Smith, Jerry

Boots, shoes, and leggings

364185, 36455101, 364578, 371 23, G05B 902, G06G 748

Patent

active

052145778

ABSTRACT:
In a real-time diagnostic system, an alarm sequence generator is used to test the correctness of a fault model. The fault model describes an industrial process being monitored. The alarm sequence generator reads the fault model and generates a user interface, from which specific components can be selected for failure at specified times. The alarm sequence generator assembles all alarms that are causally downstream from the selected set of faulty components and determines which alarms should be turned on based on probabilistic and temporal information in the fault model. The timed alarm sequence can be used by an expert to measure the correctness of a particular model, or can be used as input into a diagnostic system to measure the correctness of the diagnostic system.

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