低空导航吊舱地形跟随算法设计与仿真

Design and Simulation of Terrain Following Algorithm by Low Altitude Navigation Pod

导航吊舱是战斗机超低空突袭作战时的必备外挂设备,可保证飞机超低空飞行的安全;为了提供一种适应作战环境的方法,提高飞机有效低空突防能力,设计了低空导航吊舱地形跟随算法;通过建立雷达工作模型与无线电工作模型分别得到飞行控制角指令,然后对角指令进行数据融合得到最终适合飞机进行地形跟随飞行的指令;在随机地图上利用MATLAB对该算法进行了仿真,结果表明该算法很好地实现了飞机飞行高度为150 m的地形跟随和突防任务。

Terrain Following （TF） algorithm by navigation pod is designed to expand effective low altitude penetration capacity of aircraft and provide an approach to battle circumstances. Radar model and radio model are built to get the angle command of flight control so that the command of TF flight control is eventually figured out by data fusion of angle command. The algorithm is simulated in MATLAB language by using stochastic data map. Simulation results show that the algorithm can complete the mission of TF and low altitude penetration in 150m flight altitude better.