Abstract—Fault diagnosis is a narrowing down procedure of identifying fault sources. It often is done largely depending on field knowledge and experience. To give a guidance of diagnosing, this paper presented a two-stage fault-diagnosis method by integra Abstract—Fault diagnosis is a narrowing down procedure of identifying fault sources. It often is done largely depending on field knowledge and experience. To give a guidance of diagnosing, this paper presented a two-stage fault-diagnosis method by integra
