Modeling And Simulation Research On An Aeroengine Main Fuel Regulator

The main fuel control regulator is an important part of aeroengine control system;study the fuel control regulator is one of important factors to improve the performance of the aeroengine.Modeling and simulation technology is an important method to analyze and verify the performance of the aeroengine fuel control regulator.This method can effectively shorten the test time,reduce test cost,and also play an important role to improve the design method of the fuel control regulator.In this paper,the control technique of the aeroengine fuel control system was analyzed firstly,the structure,composition and principle of the mechanical-hydraulic,electronic monitoring and full authority digital electronic controller was analyzed.Then,the principle,composition,function,working principle of main parts in the fuel control regulator were studied,and base on the continuous flow and work principle of the force balance equations,the mathematical model of the main parts in fuel control regulator were established.And then,the function and characteristic of simulation software was contrast,and the platform application methods in this paper were studied.Finally,based on the AMESim platform,the simulation model of the main parts in fuel control regulator were established,and the simulation model of main fuel control regulator were established by using the super-component and modular method and the performance of the main fuel control regulator was analyzed.The simulation results show that the main fuel control regulator model can realize the function of fuel metering,high and low guide vane angle control and meet the technical requirements,the feasibility and effectiveness of modeling and simulation method are verified.The method is verified by modeling and simulation on main fuel control regulator and contrast the simulation data and the experimental data of the main fuel control regulator.The simulation methods are feasible and effective.This method has a certain reference value to improve and optimize the design method of the main fuel control regulator.