Fault Diagnosis Expert System for Top Drive System Based on FTA

Top driver system (TDS) is a complex structure of mechanical, electrical and hydraulic integration drilling equipment, which is a high-tech equipment in modern drilling equipment. However, TDS in the process of drilling operation will inevitably have faults, which has high requirements for maintenance personnel. Shortening maintenance cycle, reducing cost and improving operation efficiency have become an important problem for engineering and technical personnel. Based on fault tree analysis (FTA), a fault diagnosis expert system for TDS was designed. According to FTA, the expert knowledge base was established, and the design of the inference engine was realized according to the production rules in the knowledge base and the forward reasoning strategies. Finally, Visual Studio 2015 and SQL Server 2012 were used to develop this expert system, which can effectively diagnose the fault of TDS and has good convenience and practicability.