The PCA method is mainly used to research on fault detection while FDA to fault isolation and identification. The two methods interact and make up a completefault diagnosis system.
Naturally in the third chapter the principle of completefault liability, the cancellation of exception of nautical fault and the allocation of burden of proof are discussed in detail.
The activity nested within this fault handler tries to correct the situation such that regular processing can continue outside the scope or alternate ways to complete the process can be taken.