Abstract: The study on simulation model used in sensors of turbojet engine control system was carried through.On the basis of turbojet engine control model,the default risk was validated through simulating typical defaults.The simulation results show that the toolbox of MATLAB about simulation surroundings can be used on simulating sensors of control system of turbojet engine.The simulation model can be used on fault analysis of sensors of turbojet engine control system.

Key words: Turbojet engine;Engine control;Sensor;System failure;Fault simulation

摘要： 提出了基于MATLAB语言的传感器仿真模型 ,针对典型故障在Simulink环境下对发动机及其控制系统进行了仿真。仿真结果与试验结果表明 ,该传感器仿真模型在弹用发动机控制系统的故障分析中可用于故障分析的定位。

关键词: 涡轮喷气发动机;发动机控制;传感器;系统故障;故障仿真