在发动机线性模型基础上,结合卡尔曼滤波理论,设计了基于一组卡尔曼滤波器的发动机传感器故障诊断系统,实现了在发动机稳态或动态情况下,对单一或多重传感器突变及漂移故障的检测,并应用故障诊断方法进行仿真试验.仿真结果表明,应用基于卡尔曼滤波器组的故障诊断方法可以及时、准确地对传感器软硬故障进行检测及诊断,验证了所设计的容错效果.%Based on the nonlinear aero-engine model and according to the theory of Kalman filtering,this article designs an aeroengine fault tolerant control system on account of a bank of Kalman filters to realize the goal of single or multiple step or drift sensor fault detection.Using this method,the simulation experiment is done on certain aero-engine model.The simulation results show that this method can be used to detect sensor fault fast and accurately and the validity of the method is identified
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