Artificial intelligence and concept of step wise fault detection

A study is made of the concept of artificial intelligence and it is applied to the problem of fault diagnosis to a system which has been designed for t/sub 0/ fault diagnosis without repair on the basis of a PMC model. The author modifies the connection assignments of each unit of the system in such a way that after t/sub 0/ units in the system, the nonfaulty units of the system can diagnose t/sub 1/ additional faults where t/sub 1/>