起飞模态的综合飞行矢量喷管控制系统设计

通过对背景机加装鸭翼或矢量喷管,采用四种控制方案,研究了矢量喷管控制对飞机起飞性能的改善作用.根据飞机起飞过程,建立了各运动阶段的飞机纵向运动模型.分别设计了各控制方案的综合飞行/矢量喷管控制的综合系统控制律.在已建立的运动模型和非线性推进系统模型上,进行了起飞过程的数学仿真.仿真结果表明,所设计的综合系统控制律较好地完成了起飞任务.主要性能数据表明,矢量喷管与相应舵面协调控制明显改善了飞机的起飞性能.

Design of Integrated Flight/Vectored Nozzle Control System at Take-Off

Four kind of configurations are adopted to analyze the improvement of the vectored nozzle control on the flight performances at take off,where the baseline aircraft is modified to add the horizontal canard or/and vectored nozzle The models of the aircraft longitudinal motion at the different progresses of the take off are established The system controllers of the integrated flight/vectored nozzle control system at take off are respectively designed according to the configurations The simulations of the aircraft at take off are made on the established models and nonlinear propulsion system model The results prove that the designed system controllers are available to implement the take off mission The major specifications prove that the vectored nozzle control can significantly improve the flight performances at take off when appropriately coordinated with the aerodynamic control effectors