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建立了主动控制起落架的非线性振动模型，并通过建立系统的状态方程和合理的目标函数，使系统的综合性能达到最优。通过数值模拟计算，对主动控制起落架和被动起落架的滑行性能进行了比较。
The nonlinear vibration model of the landing gear is set up actively and the system performance is optimized by establishing the equation of state and a reasonable objective function. Through the numerical simulation, the coasting performance of the active landing gear and the passive landing gear are compared.