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The establishment of flight control system parameters modeling and fault simulation is the basis of fault diagnosis. In this paper, the flight control system simulation model is established by MATLAB / SIMULINK. We describe the modules and implementation methods of the flight control system parameters modeling in detail. In addition, the simulation of the failure mode and realization is introduced...
This paper analyzes the control surface damage of civil aircraft flight control system. Firstly, the fault feature extraction method is analyzed. Then the control surface damage is studied and it is simulated by Simulink. The fault injection is realized by setting the damage coefficient in the simulation model. It simulates seven kinds of fault modes, analyzes the simulated flight data in time domain,...
This paper is based on the background of the development of aviation fault diagnosis expert system. To solve the engineering problems of the low interpretation efficiency encountered in the construction of expert system, a reasoning machine based on the combination of Fault Tree (FT) and Generalized Regression Neural Network (GRNN) is brought forward. First, the FT model is built and simplified. Second,...
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