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纵向引导控制律是舰载飞机自动着舰控制系统的核心。舰载飞机着舰环境存在极大的随机性,舰尾流和航母运动不断变化,传统PID纵向引导控制器因其控制器参数固定不变而缺乏灵活性和精确性。在传统的舰载飞机自动着舰PID控制器中引入模糊控制模块,构造模糊PID控制器,并依据飞行控制工程专家的经验构建模糊规则,可实现根据系统状况对控制器的参数进行在线最优调节。与传统PID控制器相比,可极大地提高舰载飞机着舰飞行轨迹精度,也一定程度改善了着舰飞行控制系统的鲁棒性。以F/A-18A为例进行自动着舰飞行仿真,结果表明应用模糊控制技术可以减小着舰误差,提高着舰品质。
Longitudinal guidance control law is the core of shipborne aircraft automatic landing control system. Ship-borne aircraft landing environment has a great randomness, ship wake and aircraft carrier movement constantly changing, the traditional PID longitudinal guidance controller due to its constant controller parameters and the lack of flexibility and accuracy. Introducing the fuzzy control module in the traditional carrier-based automatic pilot-based aircraft controller, constructing the fuzzy PID controller and building fuzzy rules according to the experience of flight control engineering experts, it can realize the online optimal control of the controller parameters according to the system status adjust. Compared with the traditional PID controller, it can greatly improve the accuracy of carrier aircraft landing flight trajectory, but also to a certain extent, improve the robustness of the landing flight control system. Taking F / A-18A as an example, the simulation results show that the fuzzy control technique can reduce the ship-borne error and improve the ship’s quality.