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为了使运输机在有侧风情况下仍能顺利完成空投,需要设计抗侧风控制器来抑制侧风对空投过程的影响。根据运输机的横侧向非线性数学模型,分别设计了基于侧航法的PID控制器和基于最优调节器的动态逆控制器。仿真结果表明,两者均能有效抑制侧风的影响,但与PID控制器相比,基于最优调节器的动态逆方法的控制器能减小滚转角幅值,具有更理想的控制效果。
In order to enable the transport aircraft to successfully accomplish the airdrop in the case of crosswind, an anti-crosswind controller needs to be designed to restrain the crosswind from affecting the airdrop process. According to the lateral non-linear mathematical model of the transport aircraft, the PID controller based on the side-navigation method and the dynamic inverse controller based on the optimal regulator are respectively designed. The simulation results show that both of them can effectively suppress the influence of crosswind, but compared with PID controller, the controller based on the optimal regulator dynamic inverse method can reduce the rolling angle amplitude and has better control effect.