Abstract:During fault diagnosis the existence of equivalent faults, or faults that are not distinguished by the test set applied to the circuit, can create ambiguity as to the location of a defect. This happens if the circuit-under-test produces a response that matches the circuit response in the presence of two faults in different locations of the circuit. Equivalence between faults of dif f erent models, or a test set that does not distinguish two such faults, can increase the ambiguity as to the defect location as w… Show more
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