F/A-18E/F全自动着舰飞行特性分析

以F/A-18E/F舰载机为对象,针对航迹精确控制和安全性要求,分析了舰载机全自动着舰飞行特性。首先,基于自动着舰控制系统,建立了全自动着舰飞行控制系统的动力学模型;然后,对下滑轨迹纠偏与控制能力、控制器指令响应特性、变换下滑道机动特性进行了仿真分析。仿真结果表明,在全自动着舰安全边界范围内,舰载机能在较短时间内将航迹控制在理想下滑线附近;控制器具有良好的高度变化率、俯仰角、俯仰角速度等状态指令响应特性及控制面指令响应特性;F/A-18E/F变换下滑道机动则需要配合油门完成,说明仅通过平尾控制实现该机动并非安全着舰的必要条件。

Flight characteristic analysis on automatic carrier landing for F/A-18E/F

Flight characteristics of automatic carrier landing for F/A-18E/F were analyzed for the requirements of the flight path accuracy control and safety.Firstly,the dynamical model of the full-automatic carrier landing flight control system was built based on the automatic carrier landing system.Then,the capability of glide trajectory correction/control,responding characteristics of the controller command,and the maneuverability of transferring the glide slope were simulated.Simulation results show that,within the security boundary of the full-automatic carrier landing,the carrier aircraft could make the flight path near the ideal glide trajectory at a short time.The controller has satisfied state command response characteristics,such as altitude change rate,pitch angle,and pitch rate,and control surface command response characteristics.The glide slope transfer maneuver of F/A-18E/F should be completed with the use of throttle,which proves that it is not the mandatory condition to accomplish the glide slope transfer maneuver by stabilizer only for safety carrier landing.