基于能量控制的长航时飞机轨迹优化设计及仿真

Trajectory Optimization of Long-Enduradnce Flight Energy-based Control

应用能量控制的方法研究了长航时节油飞行的最优控制问题.构建了基于能量状态的质点运动模型、简化了传统运动模型的维数.利用变分法,提出了基于能量控制的性能指标,推导出飞机纵向飞行过程(爬升、巡航和下降)的优化方程,得到整个飞行过程的全局最优解,给出了一种适用的算法,并利用 MAT-LAB 编写了优化程序.仿真结果表明,该方法可以节省燃油、延长巡航时间、增大航程,完成更多的任务.

In this paper, the method of energy control is used to disduss the trajectory optimization problem of long-en- duradnce economizing gasoline flight. The point-mass motion model based on energy states is founded, simplify the di- mension of the traditional point-mass motion model It adopts the variational method,the performance requirement based on energy control is proposed.and the optimal equations of lognitudinal flight process are obtained. It adpots the total optimal solution of the flight process, a suitable arithmetic,and the optimizing program in Mstlab. The simulation re- sults shows that this method can save the fuel,lengthen the cruise time,augment the voyage.