以刚体系动力学理论为依据,结合飞机起飞着陆运动学特征,建立了起落架-机身组合刚体6自由度全量飞机方程。提出的阶跃跟踪驾驶员时域数学模型,有助于评价起飞着陆阶段人-机系统的飞行品质。然后建立机械操纵系统、电传操纵系统的数学模型,并编制非线性全量时域仿真程序,对起飞着陆动态特性做出了综合的全面的定量分析,其结果与试飞情况吻合。 Based on the kinematic theory of rigid system and combined with the kinematic characteristics of landing takeoff and landing, a complete airfoil equation of 6 degrees of freedom of the landing gear-fuselage combination is established. The proposed step-by-step tracking of the driver’s time-domain mathematical model helps to assess the flight quality of man-machine systems during take-off landing. Then a mathematical model of mechanical control system and fly-by-wire system is established and a nonlinear full-scale time-domain simulation program is compiled to make a comprehensive and comprehensive quantitative analysis of the dynamic characteristics of take-off and landing. The result is in good agreement with the flight test.