Current Research and Developing Trends on Fault Tree Analysis of Hydraulic System

The current research of Fault Tree Analysis(FTA) of hydraulic system at home and at abroad in recent years was introduced.The fuzzy FTA methods of hydraulic system based on fuzzy numbers and T-S model were summarized especially.The importance measures such as binary-state system and multi-state importance and fuzzy importance were reviewed.The optimization of fault diagnosis methods based FTA such as fault diagnosis expert system and fault search strategy were summed up.It was pointed that the developing trends of FTA field of hydraulic system were bringing FTA methods of other system into hydraulic system and combining existing FTA method with other algorithms.