高超声速飞行器在再入飞行过程中会受到各种约束,仅考虑飞行过程以及终端状态约束的算法难以满足日益复杂的飞行环境的要求.以高超声速飞行器为研究对象,通过构建简化的水平面内的飞行器模型来对飞行过程中存在禁飞区的情况进行分析.建立最优规避策略,将不等式约束转化为等式约束,有效回避禁飞区,完成再入制导算法的设计过程.通过大量的仿真验证,说明了新算法对变目标、变禁飞区的情况均具有较好的适应性.%Hypersonic vehicles are subject to various constraints during the reentry flight process .Methods only con-sider the constraints of flight process and terminal states are difficult to meet the increasingly complex requirements of the flight environment .In this paper , hypersonic vehicle is used as the study object to construct a simplified hori-zontal plane model to analyze the existence of no-fly zone in the flight process .Optimal avoidance strategy is foun-ded and the constraints inequality are converted into the constraints of equality so as to avoid no -fly zone and com-plete the design of the reentry guidance .Through a lot of simulation , it shows that the algorithm has good adaptabil-ity to the different targets and different no-fly zones .
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