A method for diagnosing and classifying faults in a system is provided. The method comprises acquiring operational data for at least one of a system, one or more subsystems of the system or one or more components of the one or more subsystems. Then, the method comprises analyzing the operational data...http://www.google.de/patents/US7379799?utm_source=gb-gplus-sharePatent US7379799 - Method and system for hierarchical fault classification and diagnosis in large systems
