Fault Modeling of Electro Hydraulic Actuator in Gas Turbine Control System Based on Matlab / Simulink

As a practical tool, gas turbine will inevitably be affected by various factors in normal operation. As the most important part of gas turbine control system, actuator has higher requirements for fault diagnosis model. However, the research on fault diagnosis of hydraulic actuator of gas turbine control system is relatively lacking at home and abroad. This paper is a fault model of electro-hydraulic actuator of gas turbine control system. First of all, through the working principle of the electro-hydraulic actuator mechanism modeling, and then compare and analyze the model to establish the electro-hydraulic actuator fault diagnosis model, Finally, in the MATLAB / Simulink platform to simulate the approximation of the mathematical model, get the dynamic response results.