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本文根据试飞员的飞行体会和一组试飞曲线,提出驾驶员参数随着着陆过程变化的频率域模型,建立装有DFBW飞机的人-机闭环系统数学模型,编制非线性全量时域仿真程序,对纵向着陆过程动态作了全面的定量分析,其结果与装有MCS飞机的试飞情况吻合,验证了本文建模、程序可信度和精度,从而得出某DFBW飞机着陆特性是可被驾驶员接受的一些有益结论。
Based on the test flight experience and a set of flight test curves, this paper proposes a frequency domain model of driver parameters changing with the landing process, establishes a mathematical model of human-machine closed-loop system with DFBW aircraft, compiles a nonlinear full- The dynamics of the longitudinal landing process were comprehensively and quantitatively analyzed. The results were in good agreement with the test flight conditions of the MCS aircraft. The results of this paper validated the modeling, the procedure reliability and the accuracy of the proposed method. Thus, the landing characteristics of a DFBW aircraft were obtained by the pilot Accepted some useful conclusions.